Home > Smartphone comparison > Mi Mix vs Zenfone 6 ZS630KL – which one to choose?

Xiaomi Mi Mix vs ASUS Zenfone 6 ZS630KL

Here we compared two flagship smartphones: the 6.4-inch Xiaomi Mi Mix (with Qualcomm Snapdragon 821) that was released on October 25, 2016, against the ASUS Zenfone 6 ZS630KL, which is powered by Qualcomm Snapdragon 855 and came out 31 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Mi Mix
  • Delivers 21% higher maximum brightness (551 against 455 nits)
Reasons to consider the ASUS Zenfone 6 ZS630KL
  • Modern USB Type-C port
  • Shows 15% longer battery life (112 vs 97 hours)
  • Newer Bluetooth version (v5)
  • Optical image stabilization
  • Expandable storage via MicroSD card up to 2GB
  • More recent OS version: Android 11 versus 6
  • Slow-motion recording at 480FPS
  • Comes with 600 mAh larger battery capacity: 5000 vs 4400 mAh
  • More energy-efficient CPU – Snapdragon 855
  • Uses a faster type of memory: LPDDR4X 2133 MHz
  • Has an ultra-wide angle camera lens
  • 12% higher pixel density (403 vs 361 PPI)

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type IPS LCD IPS LCD
Size 6.4 inches 6.4 inches
Resolution 1080 x 2040 pixels 1080 x 2280 pixels
Aspect ratio 17:9 19.5:9
PPI 361 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
HDR support - Yes, HDR10
Screen protection Tempered glass Corning Gorilla Glass 6
Screen-to-body ratio 84.29% 83.8%
Display features - - DCI-P3
- Always-On Display
Display tests
RGB color space - 98.7%
PWM - 2404 Hz
Response time - 34.8 ms
Contrast - 1835:1
Max. Brightness
Mi Mix +21%
551 nits
Sources: NotebookCheck [1]

Design and build

Height 158.8 mm (6.25 inches) 159.1 mm (6.26 inches)
Width 81.9 mm (3.22 inches) 75.4 mm (2.97 inches)
Thickness 7.9 mm (0.31 inches) 8.4 mm (0.33 inches)
Weight 209 gramm (7.37 oz) 190 gramm (6.7 oz)
Waterproof No No
Rear material - Glass
Frame material - Metal
Colors - Black, Silver
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
Mi Mix +1%
84.29%

Performance

Tests of Xiaomi Mi Mix and ASUS Zenfone 6 ZS630KL in the benchmarks
SoC
Chipset Qualcomm Snapdragon 821 Qualcomm Snapdragon 855
Max. clock 2350 MHz 2840 MHz
CPU cores 4 (2 + 2) 8 (1 + 3 + 4)
Architecture - 2 cores at 1.6 GHz: Kryo
- 2 cores at 2.342 GHz: Kryo
- 4 cores at 1.8 GHz: Cortex-A55 (Kryo 485 Silver)
- 3 cores at 2.42 GHz: Cortex-A76 (Kryo 485 Gold)
- 1 core at 2.84 GHz: Cortex-A76 (Kryo 485 Gold)
L3 cache - 2 MB
Lithography process 14 nanometers 7 nanometers
Graphics Adreno 530 Adreno 640
GPU clock 653 MHz 585 MHz
FLOPS ~519 GFLOPS ~899 GFLOPS
Memory
RAM size 4, 6 GB 6, 8 GB
Memory type LPDDR4 LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128, 256 GB 64, 128, 256 GB
Storage type UFS 2.0 UFS 2.1
Memory card No MicroSD
Memory card max. size - Up to 2 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 7
132579
361518
AnTuTu Benchmark 8

Software

Operating system Android 6.0 Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 10 Zen UI
OS size - 15 GB

Battery

Specifications
Capacity 4400 mAh 5000 mAh
Charge power 18 W 18 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No Yes
Fast charging Yes, Quick Charge 3.0 (50% in 35 min) Yes, Quick Charge 4.0 (50% in 40 min)
Full charging time 2:00 hr 2:15 hr

Battery life tests

Web browsing (Wi-Fi)
13:13 hr
15:42 hr
Watching videos (Player)
14:23 hr
16:07 hr
Talk (3G)
31:07 hr
36:22 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 16 megapixels 48 megapixels
Image resolution 3840 x 2160 8000 x 6000
Zoom Digital Digital
Flash Dual LED Dual LED
Stabilization Digital Optical
8K video recording - No
4K video recording Up to 30FPS Up to 60FPS
1080p video recording Up to 30FPS Up to 240FPS
Slow motion 120 FPS (720p) 480 FPS (720p)
Angle of widest lens - 125°
Lenses 1 (16 MP) 2 (48 MP + 13 MP)
Wide (main) lens - 16 MP
- Aperture: f/2.0
- Focal length: 31.07 mm
- Pixel size: 1 micron
- Sensor: 1/3", OmniVision OV16880 (CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX486 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - - 13 MP
- Aperture: f/2.4
- Focal length: 11 mm
Camera features - - Bokeh mode
- Pro mode
- RAW support
Samples - Photo samples of ASUS Zenfone 6 ZS630KL from DxOMark
Selfie camera
Megapixels 5 megapixels -
Image resolution 2592 x 1944 -
Aperture f/2.2 -
Focal length 53.66 mm -
Video resolution 1080p (Full HD) при 30 FPS -

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 4.2 5
Bluetooth features A2DP PBAP/PAB, OPP, MAP, HSP, HFP, HDP, GAP, AVRCP, A2DP
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 12 18
5G support No No

Sound

Speakers Stereo Stereo
Headphone audio jack Yes Yes
FM radio No Yes
Dolby Atmos - No
Speakers test
Max. loudness
Mi Mix +1%
86 dB

Other

Category Flagship Flagship
Announced October 2016 May 2019
Release date April 2017 May 2019
Launch price ~ 500 USD ~ 500 USD
SAR (head) - 1.57 W/kg
SAR (body) - 0.98 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the ASUS Zenfone 6 ZS630KL is definitely a better buy.

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