ZUK Edge Unboxing: 86.4% Screen-To-Body Ratio, Snapdragon 821

ZUK Edge Review

ZUK Edge Unboxing: 86.4% Screen-To-Body Ratio, Snapdragon 821

Not long before, ZUK Edge has been published. This phone takes 86.4% Screen-To-Body Ratio and Snapdragon 821 processor. The configurations are excellent. How about the performance of this phone? ZUK Edge Review can tell you some details.

ZUK Edge Review

ZUK Edge Specs

Model ZUK Edge
Band 2G:CDMA 800
2G:GSM 850/900/1800/1900
3G:WCDMA 850/900/1900/2100
3G:TD-SCDMA B34/39
4G:TD-LTE B38/39/40/41
4G:FDD-LTE B1/2/3/4/5/7/8/20
Sim Card Dual SIM Dual Standby Nano SIM
Service Provide Unlocked
Style Bar
CPU/GPU CPU: Qualcomm 821 Quad Core
GPU: Adreno 530
Display Size 5.5 Inch
Type FHD Screen
Resolution 1920*1080 pixels
FM Radio Yes, earphone needed
Speaker Box Speaker
Earphone Port 3.5mm
Card Extend No
Data transfer USB/Bluetooth
Mobile internet WAP/WiFi
Camera/Picture Resolution Dual Cameras, 8.0MP front camera, 13.0MP back camera
Language English, Chinese
Phonebook 500
Message SMS/MMS
Input Handwrite/Keypad
WIFI 802.11 a/n/b/g wireless internet
Bluetooth Bluetooth V4.1
Sensors Gravity Induction, Distance sensing, etc
Multi-Touch Yes
Dimensions 142.9×74.5×7.68mm
Net Weight(Including battery) 160g
Charger INPUT :100-240V, OUTPUT: 5V-2A , 5V-4A
Battery capacity Not Removable Li-Ion 3100mAh battery
Standby Time About 2~3 days
Other Feature 4G,3G,Audio Player,Email, Clock, E-book, Calendar, Calculator, World Clock, U-Touch, etc.
Package Contents 1x Phone
1x Cable
1x Power Adapter

ZUK Edge Design

The ZUK Edge comes in a black packaging giving a good feel of quality. The top side carries only the name of the phone.

ZUK Edge Unboxing

The bottom side comes with the phone’s model of Z2151, the memory configuration and detailed info about the phone including the color option. This is the titanium crystal black version.

ZUK Edge Unboxing

The Lenovo ZUK Edge features a 5.5-inch Full HD TDDI display with a pixel density of 403PPI. The rest of display features include a contrast ratio of 1500:1, 85% of the NTSC color gamut, and the maximum ZUK Edge Review brightness of 500 nits. It is also covered with a 2.5D glass. Agree this is not the best ZUK screen we have ever seen.

The proximity sensor along with a speaker and a front camera are located on the upper side of the front panel.

ZUK Edge Unboxing

Below the screen we can find a touch sensitive Home button. It works identical to Meizu’s mBack – long press to return to previous screen, long press ZUK Edge Review to go to main screen, slide left/right for different operations, and finally it supports fingerprint recognition.

ZUK Edge Unboxing

The back panel of the Lenovo ZUK Edge comes with the same 2.5D glass covering. The rear camera is on the center accompanied ZUK Edge Review with a dual-tone LED flash and oxygen sensors supporting heart rate monitoring and blood testing. The phone comes in a minimalist design and the titanium ZUK Edge Review crystal black color makes it to look like a business smartphone.

ZUK Edge Unboxing

The top of the phone carries only a small microphone hole for noise cancellation.

ZUK Edge Unboxing

The bottom side comes with a 3.5mm audio jack, another microphone, a speaker and a USB Type-C interface.

ZUK Edge Unboxing

The power button and volume rocker are located on the right side.

ZUK Edge Unboxing

The SIM card slot is placed on the left. There are two nano SIM card slots, but unfortunately you can’t find a microSD card expansion.

ZUK Edge ReviewLenovo ZUK Edge

We have already got acquainted with the dimensions of the Lenovo ZUK Edge from the table above. It weighs only 160 grams and there are two color options – titanium black and ceramic white.

ZUK Edge Unboxing

Lenovo ZUK Edge Charging

The Lenovo ZUK Edge is equipped with a 3100mAh battery supporting fast charge technology, but the charger coming with ZUK Edge Review phone is only 13.25W (5.3V / 2.5A). Taking into account this fact we decided to put its battery in a few tests.

ZUK Edge Review

The first test was made when there was remaining only 2% of power. It was plugged to charge and charging data was written down for every 10 minutes.

The test showed it took only half an hour to ZUK Edge Review charge the phone to 35%, and one hours to charge to 72%. Than the charging speed decreased, and it took 120 minutes to charge fully.

Lenovo ZUK Edge charging

Thereafter, the phone was tested via AnTuTu battery testing, and the ZUK Edge battery discharged from 89% to 84% in 25 minutes using it heavily. Moreover, the phone was discharged completely after 8 hours.

ZUK Edge ANtutu battery test

The PCMark showed 9 hours and 17 minutes.

PCMark life test ZUK Edge

At last, the ZUK Edge was tested for maximum temperature, and it reach up to 42 ?, which is a normal data.

ZUK Edge Review

Lenovo ZUK Edge Camera

The phone takes with a 13MP camera powered with Samsung 2M8 sensor. It comes with Samsung ISOCELL technology that ‘increases light sensitivity and effectively controls the absorption of electrons, resulting in ZUK Edge Review higher color fidelity even in poor lighting conditions’. The sensor size is 1/2.6” at pixel size of 1.34-micron, and the aperture is f/2.2.

Lenovo ZUK Edge

The Lenovo ZUK Edge camera features include:

  • EIS + auxiliary sensor image stabilization,
  • 4K video recording,
  • PDAF + CAF focus,
  • Fastest AF speed of 0.1s,
  • 960Fps slow-motion video recording support.

There is also an 8MP front camera supporting up to 1080p video recording.

ZUK Edge Review

The Lenovo ZUK Edge camera app is too easy to use. There are not many adjustable options.

Lenovo ZUK Edge camera app

The camera default ratio is 4:3 at 13MP, but you can increase it up to 16:9 at 10MP.

This camera doesn’t take ideal photos when capturing daytime.

Lenovo ZUK Edge camera sampleLenovo ZUK Edge camera sampleLenovo ZUK Edge camera sample

But once the HDR is on, the photos become quite acceptable.

Lenovo ZUK Edge camera sample

Due to small f/2.2 aperture outdoor photos can be annoying.

Macro Mode

Lenovo ZUK Edge camera sample

Well, this is not a Sony sensor, and seem it affects the photo quality. But this camera comes with a list of useful features ZUK Edge Review such as EIS and nighttime shooting. The latter is the key feature of this camera.

Lenovo ZUK Edge camera sampleLenovo ZUK Edge camera sampleLenovo ZUK Edge camera sample


  • Minimalist Design
  • Display
  • Snapdragon 821 CPU
  • 8MP Front camera
  • USB Type-C


  • 13MP Rear Camera
  • Memory combination

Lenovo ZUK Edge Performance

The Lenovo ZUK Edge is powered with a Snapdragon 821 processor that uses second gen Samsung 14nm FiFET LPP technology. It comes with a quad-core 4x Qualcomm Kryo CPU clocked up to 2.35GHz and ZUK Edge Review Adreno 530 GPU. The Snapdragon 821 provides 10% better performance in comparison to older Snapdragon 820, while the GPU performance has improved by 5%.

What’s more? Lenovo ZUK Edge is equipped with a 64GB fast UFS 2.0 internal memory and dual-channel 6GB LPDDR4 RAM. This configuration provides the best performance for small apps as well as large 3D games. So users will face no problems when launching different apps.

To understand whether the manufacturer was able to get the most from these configuration we tested the Lenovo ZUK Edge via different benchmarks.

Looking at the first benchmarks at AnTuTu 6.3.1 we can see most of time the Snapdragon 821 CPU works between 50% – 100% most of time, the overall load is between 80%-100% that means it provides too high CPU utilization.

As for each core, all four cores work simultaneously, but the large cores (2-3) can reach the highest frequency of 2.35GHz, while the small cores (0-1) load up to 60%. Therefore, we can conclude the Snapdragon 821 ZUK Edge Review overall performance is stable, all four cores run at the same time, and the chip is able to control the power and core heat.

Antutu 6.3.1 ZUK Edge

Thereafter, the Lenovo ZUK Edge was tested via an AnTuTu sub-test. Moreover, the ZUK Edge was compared ZUK Edge Review to the iPhone 7, and as you can see the overall performance provided by the Snapdragon 821 is better than Apple’s newest phone. It scored 162,373 points, and this helps the phone ZUK Edge Review ranking on the third position after the iPhone 7 Plus, and iPhone 7.

Below is the comparison table of different CPUs and smartphones. The ZUK Edge is more powerful than the LeEco Le Pro 3.

LENOVO ZUK EDGE comparison table (4)

GeekBench 4 CPU test showed the Lenovo ZUK Edge is not as good as we think. The Huawei Mate 9 Pro and LeEco Le Pro 3 scored more than the ZUK Edge.

GeekBench 4 CPU test ZUK Edge

If taking into account this benchmark results, the Kirin 960 is the winner.

LENOVO ZUK EDGE comparison table (2)

Then it was tested via GFXBench 4 GPU test. According to the results, the ZUK Edge is in the game again showing 1080p video support at 96fps.

GFXBench 4 GPU test ZUK Edge

The comparison table is below.

LENOVO ZUK EDGE comparison table (1)

Three beasts in face of the Lenovo ZUK Edge (left), Huawei Mate 9 Pro (middle), and Meizu Pro 6 Plus (right) were put in the ZUK Edge Review AndroBench 5 storage performance test. As you see, the ZUK Edge and Meizu 6 Plus Pro scored almost the same points because both of them come with UFS 2.0 memory, while their main rival sports a fast UFS 2.1 memory.

AndroBench 5 storage performance test ZUK Edge

The comparison table is below.

LENOVO ZUK EDGE comparison table (5)

As for the PCMark comprehensive performance testing shows the Lenovo ZUK Edge reaches 7235 points, which brings the fifth position to the phone.

PCark comprehensive performance test ZUK Edge

After the 3DMark GPU test the phone scores 2570 points ranking on the fourth position after the Vivo Xplay5 Ultimate.

3DMark GPU test ZUK Edge

I guess all these tests we can conclude the Lenovo ZUK Edge provides great performance that can compete with the top-notch devices.

ZUK Edge Price

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