1.8GHz quad-core Tegra4 NVIDIA Xiaomi 3 first evaluation

IT 168 Evaluation Although there have been many new mobile phone product launches recently, the most important news in the mobile phone circle is Microsoft's acquisition of Nokia. Although after working for Nokia from Elop, the fate of the acquisition seems to have been determined. But after learning this news, can the author's mood be interpreted in four words? Are you tired? Some analysts pointed out that if Nokia chooses Android earlier, it may become Samsung now, and some consumers said that if Lumia-shaped Android phones are launched on the market, then he must pay the bill. Today, this wish has basically come true. Unfortunately, it is Xiaomi who uses Lumia to produce Android phones. Today, the protagonist of our evaluation article is the NVIDIA version of Xiaomi 3 mobile phone.

Buying recommendation: Click to go directly to Xiaomi official website.

Evaluation Guide: As we all know, at the just-concluded Xiaomi 20 13 conference, Xiaomi launched Xiaomi 3 mobile phone with two versions of processors, which is the first time that Xiaomi has adopted different processors on its flagship model. The life experience of Xiaomi 3 in NVIDIA is even more curious, so this article will introduce the situation of Xiaomi 3 in NVIDIA around the following contents:

1. Is it really like Nokia's Lumia series phones? Does the 5-inch screen feel big? What are the design flaws?

2. Why use NVIDIA Tegra4 processor? Can sex be powerful? Who is stronger or weaker than Qualcomm 800?

3. What's the photo quality? 13 million pixels and Xiaomi 2S have been improved?

4. How is the system different from the existing MIUI V5?

5. What's the price? When can I buy it? A fever problem?

Do the hardware parameters have a fever?

Let's take a closer look. Xiaomi launched Xiaomi 1 mobile phone 1 1 on August 6th. So far, eight mobile phones have been launched. In addition to Redmi (a thousand yuan mobile phone with MT6589T quad-core processor launched in cooperation with China Mobile) using Qualcomm processor, Xiaomi is also a strategic partner of Qualcomm. This time, the NVIDIA version of Xiaomi 3 adopted Tegra4? 4+ 1? The core processor also makes Xiaomi the first Tegra4 processor mobile phone released at present. Neither the author nor you are familiar with the hardware configuration of Xiaomi 3 in NVIDIA. At the beginning of the evaluation, let's take a look at the hardware configuration of Xiaomi 3 in Tegra4.

"Comparison of hardware parameters of Xiaomi 2S/Tegra4 Xiaomi 3/ Qualcomm Xiaomi 3.

model

Xiaomi 2S

Tegra4 version 4 Xiaomi 3

Qualcomm 800 Xiaomi 3

operating system

MIUI V5

MIUI V5

MIUI V5

Network standard

GSM/WCDMA single card

TD-SCDMA single card

GSM/WCDMA single card

Fuselage size

126x62x10.2mm

144 * 73.6 * 8. 1 mm

144 * 73.6 * 8. 1 mm

weight

145g

145g

145g

screen

"4.3 inch 720P screen.

"5 inch 1080P resolution screen.

"5 inch 1080P resolution screen.

camera

8 million (back)+2 million (front) F/2.0

130,000 (back)+2 million (front)

130,000 (back)+2 million (front)

processor

"Qualcomm 600 1.7GHz quad-core.

"Tegra4 1.8GHz quad-core.

Qualcomm 800 2.3GHz quad-core processor

Body memory

2GB

2GB

2GB

Fuselage storage

16GB/32GB/

16GB/64GB

16G/64GB

battery

2000 mah

3050 mah

3050 mah

Fuselage color

Black and white panda machine

White, black, gray, blue, pink and yellow.

White, black, gray, blue, pink and yellow.

Open selling price

"1699 yuan (16G)

"1999 yuan (16G)

"1999 yuan (16G)

Through the hardware configuration parameter table, we can see that Tegra4 version of Xiaomi 3 is still different from Xiaomi 2S and Qualcomm version of Xiaomi 3. To sum up here now, we will explain these differences in detail later in the article.

1.5 inch 1080P resolution screen, Xiaomi has been using 4 inch or 4.3 inch screen before, and Xiaomi, like Apple, is not the pioneer of big-screen mobile phones. This time, the mainstream 5-inch 1080P resolution screen is still used. Will it affect one-handed grip? We'll explain it to you later.

2.Tegra4 platform was launched. At present, the existing Tegra4 devices are only NVIDIA shield game consoles, and the Tegra 4 processor on mobile phones is different from the game console platform. What is the final performance of low frequency+low energy consumption? We will explain later.

3. Join NFC. Although NFC is very mature on Nexus S, today, two years later, NFC technology has been widely used in life, such as bus cards and China Merchants Bank credit cards. It can be said that the NFC function is still very practical.

However, we also see that some practical functions of Xiaomi 3 in NVIDIA have not been added, such as the function of infrared remote controller. With the launch of Xiaomi Box and Xiaomi TV, the demand for adding infrared remote control to Xiaomi mobile phone is also increasing, but fortunately Xiaomi has been replaced by WIFI remote control. Judging from the hardware configuration, NVIDIA Xiaomi 3 is undoubtedly the new hardware benchmark of the current flagship mobile phone.

Does the design disappoint you?

At the beginning of the evaluation article, we said that the Tegra4 version of Xiaomi 3 realized the dream of Lumia+ Android for Nokia. Why does the author say so? Let's take a look through the appearance map! See if Xiaomi 3 surprises you or disappoints you in industrial design?

▲ design

I believe that people who have just seen our live article must have the same feeling as the author, that is, the appearance of Xiaomi 3 is somewhat familiar, the color scheme and the rounded corner design around it are somewhat similar to those of the previous Nokia Lumia920, and the tough style behind it is somewhat similar to that of the previous Lenovo K900.

▲ It feels good to hold it with one hand.

Xiaomi was not an admirer of big-screen mobile phones before. Xiaomi 1 and Xiaomi 2nd generation mobile phones launched before now all adopt smaller screen sizes? 4 inches, 4.3 inches. This time directly on the 5-inch 1080P screen, it still has some influence on one-handed operation. From the above picture, we can see that the author can't completely control this screen with one hand. Before the 4.3-inch screen of Xiaomi 2, the author can still control it with one hand. However, in fact, there is no need to worry about whether the mobile phone can be controlled with one hand. Don't you need two hands to control the iPhone when playing games? The original theory that the 3.5-inch screen is most suitable for human body size should be changed with more and more carrying functions of mobile phones.

Does the design disappoint you?

▲ Top design of fuselage

Tegra4 version 4 Xiaomi 3 printed on it? Rice? LOGO, equipped with a 2-megapixel front camera, not only equipped with a light distance sensor next to the camera, but also raised the signal breathing light previously placed under Xiaomi's 2nd generation HOME button to the top. Users of Breathing Light can choose their favorite colors in the MIUI system. * * * There are seven colors. This feature still exists.

▲ Add backlight to the bottom of the fuselage.

Since the second generation of Xiaomi, no matter Xiaomi 2, Xiaomi 2S, Xiaomi 2A and Red Rice mobile phones, Xiaomi has not equipped them with button backlight. This design was puzzled by consumers when Xiaomi 2 came out, and now it is gradually accepted. This time, however, the NVIDIA version of Xiaomi 3 added a backlight under the keys. The menu key, HOME key and back key have not changed.

▲ Design of the back of the fuselage

As we said before, the back of Tegra4 version 4 Xiaomi 3 is tough, which is somewhat similar to the previous Lenovo K900, except that the back is made of plastic. In terms of color, there are currently three colors to choose from: white, black and yellow. However, the practice of replacing the battery that Xiaomi had kept before was terminated on the Tegra4 version of Xiaomi 3. At present, many manufacturers adopt the design of non-removable batteries mainly for safety reasons, and the uneven quality of third-party batteries can easily lead to safety problems. However, Xiaomi official website has always sold its own official batteries, and the detachable back cover is also very popular, whether it is the official back cover or other third-party back covers. Xiaomi's profit in personalization is still considerable. I don't know why this generation adopts a non-detachable battery design.

▲ fuselage camera design

The top of the back is equipped with a13 megapixel camera. The parameters of this camera didn't give us much surprise. After all, Xiaomi 2S has been equipped with a13 megapixel camera. However, the configuration of dual LED flash is the first time that it appears on Xiaomi. What is the quality of this camera? We will send you samples later.

▲MI LOGO style changes

Back MI bottom standard? LOGO has continued from Xiaomi 1 generation mobile phones to this day. Compared with the hollow design of Xiaomi 2, the LOGO of this generation is relatively flat.

▲ Top design of fuselage

At the top of the fuselage, Xiaomi adopted the design of SIM card slot for the first time, and still adopted the standard SIM card specification. A 3.5mm headphone jack and a noise-reducing microphone are also arranged at the top.

▲ fuselage side design

On the side of the fuselage, Xiaomi mainly placed an integrated volume button and power button on the right side of the fuselage. It is made of metal ~ and the position is adjusted according to the height of the hand to ensure that the user can touch the three function keys with one hand.

▲ Bottom design of fuselage

At the bottom of the fuselage, the NVIDIA version of Xiaomi 3 is equipped with a speaker, similar to Lumia style, and the call microphone is hidden under the speaker hole. The pendant hole that has been continuing on Xiaomi's mobile phone has also disappeared. This time, it seems that if you want to personalize Xiaomi's mobile phone, you can only buy coats and earphone pendants. Fortunately, Xiaomi officially launched a holster for Xiaomi 3.

Editor's comment: In terms of appearance, there has always been a saying that carrots and vegetables have their own love. I won't comment too much. However, the design of the non-detachable back cover and the cancellation of the hanging mouth is a bit incomprehensible to the author. Do you like the shape design of Xiaomi 3? Welcome to leave a message at the bottom of the article for discussion, and also welcome Sina Weibo of @IT 168 mobile channel.

What is the performance of Tegra4?

Presumably, while paying attention to the appearance of Xiaomi 3, everyone is also concerned about the hardware performance of Xiaomi 3. After all, Xiaomi 3 is the first product in the Tegra4 platform mobile phone. As we said before, as a strategic partner of Qualcomm, Xiaomi has been using the most advanced processors in Qualcomm. Why did Xiaomi launch the Tegra4 version of Xiaomi 3? What's the difference between Tegra4 and NVIDIA Shield?

This part of our evaluation article mainly answers these questions.

First of all, why did Xiaomi launch the Tegra4 version of Xiaomi 3? The author here gives you a few simple and reasonable guesses. Why did you adopt Tegra4? Only Xiaomi knows.

1. Ordinary users' thoughts: Xiaomi has been using Qualcomm's latest flagship processor. Due to the influence of the initial processor capacity, each generation of Xiaomi mobile phones has the problem of insufficient capacity at the initial stage of listing. This time, the Tegra4 version of Xiaomi 3 was added to solve the capacity problem of Xiaomi mobile phone. And Tegra4 is also the first launch, which is more in line with Xiaomi's style.

2. Geek users' idea: NVIDIA version of Xiaomi 3 adopts TD-SCDMA network standard. Although Qualcomm's baseband chip can also support TD-SCDMA network well, it does not rule out that the shipping price of Tegra4 from NVIDIA is more suitable for Xiaomi. In other words, Xiaomi doesn't want to put all his money on Qualcomm's hardware.

3. Industry users' thoughts: Xiaomi has cooperated with China Mobile to launch a red rice mobile phone before. From that cooperation, we also saw that China Mobile pushed many suggestions for Xiaomi, such as the choice of foundry and so on. It is not excluded that the adoption of Tegra4 this time is also a hint from China Mobile to Xiaomi. It seems that the first domestic 4G license will be issued to TD-LTE of China Mobile, and it is very necessary for Xiaomi and China Mobile to establish a good cooperative relationship.

In a word, Xiaomi has many reasons to adopt NVIDIA processor, but which one is true? Only a few people, such as Lei Jun, know about it.

I probably understand why Xiaomi uses Tegra4 processor. Let's briefly analyze the performance of Tegra4 processor. What's the difference between Tegra4 processor and NVIDIA SHIELD? Let's get to know you through several running software tested on the spot.

1. Ann Bunny

Ann Bunny is the mainstream running software at present, which mainly tests CPU integer, CPU floating point, RAM performance, 3D performance, I/O performance and flash memory performance. Let's take a look at the performance of NVIDIA Tegra4 on Xiaomi 3.

▲ Tegra version 4 Xiaomi 3 running points

We can see that the score of Tegra4 version 4 of Xiaomi 3 on Ann Bunny is 29075, which is still a little different from that of Sony XL39h equipped with Qualcomm 800 processor, about 33000. The performance is mainly the difference in 3D performance. What caused this problem? We will answer your questions later.

2. quadrant

Quadrant can be regarded as the first batch of software running on Android platform, although? Old? Previously, it was Qualcomm's software for testing processor performance, but it was still used by netizens as an important indicator to measure the quality of a mobile phone.

▲ Tegra version 4 Xiaomi 3 running points

From the running score, we can see that Xiaomi 3 scored 5743 points in the quadrant, which is obviously different from Qualcomm 800.

3. Geek Workbench 2

Although this software is not the mainstream running score software, there are a few softwares that can run scores across platforms, which is also an important basis for the performance competition between Android phones and Apple phones. Let's take a look at the performance of Tegra4 on this software.

▲ Tegra version 4 Xiaomi 3 running points

We can see that although the score of 3272 has surpassed the present Qualcomm 600, it is still somewhat inferior to the score of 3844 of Qualcomm 800. Why did NVIDIA lose to Qualcomm 800 because of the more advanced A 15 architecture? We will explain later.

4.Nenamark2

Nenamark2 is a software for testing the 3D performance of mobile phones, mainly focusing on testing the GPU performance of mobile phones. We saw earlier that the 3D performance of Tegra4 Xiaomi 3 on Ann Bunny was not as good as that of Qualcomm 800. What is the performance of this software?

▲ Tegra version 4 Xiaomi 3 running points

Through the running software, we can see that Xiaomi 3 scored 59.7fps on Nenamark2, which is basically a perfect score. In other words, in the current Android environment, the Tegra4 version of Xiaomi 3 can already run most game software in full frame.

5.3Dmark

3DMark is a reliable software running on PC platform. I logged into the Android platform some time ago, mainly to test the 3D performance of the mobile phone. There are many software testing links and the test results are authoritative.

▲ Tegra version 4 Xiaomi 3 running points

Through the test, we can see that the Tegra4 version of Xiaomi 3 got 12 128 and 8058 points in normal mode and advanced mode respectively. Compared with Qualcomm 600, this achievement is still improved, but compared with Qualcomm 800, its performance is still slightly worse. In other respects, Xiaomi 3 of Tegra4 version 4 got a perfect score of 10 in multi-touch.

To sum up, we can see that Tegra4 version of Xiaomi 3 still lags behind Qualcomm 800 in performance. Why didn't Tegra4 with A 15 architecture surpass Qualcomm 800 with Krait architecture? We have summarized several reasons for you here.

Tegra4 on 1 .Xiaomi 3 adopts the main frequency of 1.8GHz, while Qualcomm 800 can run at 2.3GHz.

2. We have been talking about NVIDIA Shield's game machine before. This game machine adopts the code T40, which is a high-end model on Tegra4. It runs at the main frequency of 1.9GHz, and can be used with game machines, regardless of energy consumption and temperature. The model installed on the mobile phone is AP40, which has been simplified in many aspects. For example, T40 has many I/O ports, while AP40 only keeps the necessary ones, and it also adopts temperature control strategy. According to the information provided by some manufacturers, after these streamlining, the TDP (thermal design power, which represents the heat dissipation capacity required to keep the equipment below the junction temperature) of AP40 has been reduced from 8- 10 watt of T40 to 3 watt, which is equivalent to being reduced to below 1/3, and the change is very great.

3. Although it is mentioned in the official archives of NVIDIA that Tegra4 uses a 672MHz GPU chip, it is not mentioned which model of Tegra4 uses this main frequency. We guess that the Tegra4 version of Xiaomi 3 did not use this main frequency GPU chip due to energy consumption and other problems, so it is reasonable that the 3D performance has declined.

The most important point is that the construction machine has not been completely optimized, and the site environment is limited, so we can't give full play to its full strength.

Editor's comment: NVIDIA Tegra4 adopts pure A 15 architecture? 4+ 1? The core processor, pure A 15 architecture processor, has not appeared on mobile phones before (Nexus 10 tablet adopts dual-core A 15 processor). Although A 15 architecture has strong performance, it still can't avoid the problems of energy consumption and heat generation, which is why Tegra4 on mobile phones can't adopt the same model as NVIDIA SHIELD.

In addition, through our tests, we can see that Xiaomi 3 with Tegra4 processor is still one of the strongest mobile phones at present, and its opponent is only Qualcomm 800. The biggest significance of Xiaomi 3' s launch of Tegra4 version 4 is to solve the blank of Xiaomi series flagship machine under the mobile TD-SCDMA network and give users more choices.

What improvements have been made in MIUI V5?

UI has always been regarded by Xiaomi as the core competitiveness of Xiaomi mobile phone, and the first batch of Xiaomi users have also been attracted by MIUI. However, Xiaomi 3 exhibited at today's press conference has not changed much on the system, and it is still equipped with MIUI V5. The main system functions and interfaces still maintain the unity of MIUI V5. For users who are familiar with Xiaomi, there is basically no learning cost, and they get started quickly, but their playability is relatively weak.

▲ Xiaomi 3 mobile phone system screenshot

However, compared with the previous generation products such as Xiaomi 2/2S/2A, Xiaomi 3' s system is not unchanged, but the improvement is more focused on the functions of the mobile phone hardware itself, such as NFC function, ultra-sensitive touch and so on.

NFC

▲ Xiaomi 3 NFC function

The NFC function itself is not new. Xiaomi 3 is equipped with Android Beam while the NFC chip is built in, which can easily transmit pictures, websites, business cards and other information with other NFC-enabled mobile phones. However, it is worth mentioning that Xiaomi 2A, Xiaomi's first NFC-enabled mobile phone, has been supported by China Mobile in the mobile payment function, and Xiaomi 2A is also one of the first mobile phones to support Beijing bus credit card. Therefore, considering the special status of TD version of Xiaomi 3, there is basically no suspense in supporting China Mobile's mobile wallet and bus credit card.

Ultra-sensitive touch

▲ Added ultra-sensitive touch function.

Does Xiaomi 3 support ultra-sensitive touch? This is a bright spot! This function is the effect brought by Xiaomi 3' s built-in ATMEL touch chip. After testing, the effect is good, and a little thicker gloves can support it.

Vibrate with the beat of music

Turn on the function of vibrating with the music beat, and the mobile phone will vibrate with the rhythm when playing music. After the small series test, not only when playing music, but also when playing games, the background music of the mobile phone will make the mobile phone vibrate with it, which is more accurate in identifying the music beat. It is a fresh and fun function for people who like music, but it may also increase the power consumption of the mobile phone. How to choose depends on everyone ~

Miyin

▲ richer meter sound function

The function of Miyin is also equipped on Xiaomi 2, mainly because earplugs and in-ear headphones have different sound effects. The meter sound function on Xiaomi 3 is more abundant, which continues the different options of earplugs and in-ear headphones, and also increases the special effects options of Xiaomi piston headphones. Although it is not a mobile phone that focuses on music, such rich sound options can fully meet the needs of ordinary users for music.

Zoom in gesture:

▲ Increase the zoom-in gesture function.

Magnifying gestures provide a perfect solution for people with poor eyesight. In the past, the zoom-in gesture was only aimed at the fonts of interfaces such as short messages and contacts. Xiaomi 3' s zoom-in gesture is a global zoom-in for the entire interface of the mobile phone. After the zoom-in gesture function is turned on, clicking the screen three times in any interface (even the game interface) will switch to zoom-in mode. At this time, the screen of the mobile phone is equivalent to a magnifying glass, which can be enlarged and reduced by the contraction operation of two fingers, while other operations of the mobile phone.

Editor's comment: Xiaomi 3' s improvement in details is more practical. Although it is still MIUI V5, there is no big upgrade, but it does not mean that it is not good. MIUI V5 is still one of the best customized systems on Android platform. And for MIUI updated once a week, users don't have to worry about system upgrade. What you want will come one day.

Camera function evaluation:

Because the system has not been greatly upgraded, the camera interface of Xiaomi 3 has continued its previous style and operation. In addition to several necessary basic filters and panoramic shooting, some fancy functions that are popular now, such as voice guidance and erasing passers-by, do not appear on Xiaomi 3, but are equipped with manual operation on the mobile phone to the greatest extent with the camera.

▲ Camera setting interface

This is a switching function between simple mode and expert mode. Although it is not the first time to appear on Xiaomi 3, it is still worth mentioning. For ordinary users, simple mode can take pictures most conveniently and quickly. For those who have a certain understanding of photography, MIUI V5 also provides a wealth of options to adjust, such as ISO, shutter time, exposure compensation and so on, so that users have more creative space.

From the hardware parameters, the main camera of Xiaomi 3 is upgraded to13 million pixels, and the front camera is 2 million pixels. What is the specific performance? The site conditions are not allowed. Let's take a look at the samples released by Lei Jun at the press conference:

▲ Click on the picture to view the original picture.

Problem summary+evaluation summary

Tegra4 version 4 Xiaomi 3 is a brand-new product on a brand-new platform for both authors and consumers. Although we talked about the appearance, hardware, system, camera and other functions of the NVIDIA version of Xiaomi 3 earlier, we still can't give you more information because of the short product experience time after the conference. At the end of the live experience article, let's first answer the questions that NVIDIA Xiaomi 3 users care about in combination with the hands-on experience and the press conference:

1. How much is it? When can I buy it? How to buy?

NVIDIA Tegra4 processor Xiaomi 3 is priced at 1999 yuan, and the official version will be available in mid-June 10.

2. How is the fever?

Many geek consumers are skeptical about the energy consumption and fever of Tegra4 platform mobile phones. The environment at the press conference site has certain limitations. The machine has been running at full speed and has been charging. The author's first feeling is still a little hot. The specific fever and endurance need to be explained in detail in our subsequent evaluation articles.

3. What is the network standard?

Tegra4 version 4 Xiaomi 3 uses a standard size SIM card.

, supports TD-SCDMA network standard and GSM network standard, that is to say, mobile 3G and 2G networks can be used, and Unicom's 2G network standard can also be used, but Tegra4 version cannot use telecom cards.

4. What is the contract machine plan? Is China Mobile's subsidy strong?

There was no mention of this problem at the press conference.

5. How many versions of 5.Tegra version of Xiaomi are there?

In terms of color, the Tegra4 version of Xiaomi 3 will have five colors: black, silver, yellow, blue and pink, while the flash memory of the fuselage will have two versions: 16GB and 64GB.

Evaluation summary: Our articles are mainly divided into appearance, performance, system and photography. As a summary of the evaluation article, we also summarize from these five aspects:

Appearance aspect

Different people have different opinions. The colorful back cover is still eye-catching.

Performance aspect

The Tegra4 version of Xiaomi 3 is not as good as the Qualcomm 800 version, but it is also one of the best flagship processors at present.

Systematic aspect

: There are not many highlights in this Xiaomi conference system. Make minor changes on MIUI V5. I believe that with the launch of the new system by Google, the big upgrade of MIUI is coming soon.

take a picture

Dual LED flash is a highlight of Xiaomi 3, but what is the specific photo effect of13 million pixels? Due to the limited field environment, we can't give a conclusion.

In a word, Xiaomi 3 mobile phone equipped with Tegra4 version is another hardware benchmark of Android mobile phone at present, and it has become the most cost-effective mobile phone among TD network mobile phones because of TD network.