Xiaomi Mix 4 vs Mi 11 Ultra

Here we compared two flagship smartphones: the 6.67-inch Xiaomi Mix 4 (with Qualcomm Snapdragon 888 Plus) that was released on August 10, 2021, against the Xiaomi Mi 11 Ultra, which is powered by Qualcomm Snapdragon 888 and came out 5 months before. 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 11 Ultra
  • 30% higher pixel density (515 vs 395 PPI)
  • Waterproof body (IP68 classification)
  • Slow-motion recording at 1920FPS
  • Comes with 500 mAh larger battery capacity: 5000 vs 4500 mAh
  • Delivers 18% higher peak brightness (941 against 800 nits)
  • Reverse charging feature

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

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Price

Tests and specifications

Comparison table of technical specifications and tests
Phone:
vs

Display

Type AMOLED AMOLED
Size 6.67 inches 6.81 inches
Resolution 1080 x 2400 pixels 1440 x 3200 pixels
Aspect ratio 20:9 20:9
PPI 395 ppi 515 ppi
Refresh rate 120 Hz 120 Hz
Max rated brightness 500 nits 900 nits
Max rated brightness in HDR 800 nits 1500 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus
Screen-to-body ratio 87.6% 91.4%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 98.7% 99.8%
PWM 60 Hz 510 Hz
Response time 2.6 ms 2.8 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
800 nits
941 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 162.6 mm (6.4 inches) 164.3 mm (6.47 inches)
Width 75.4 mm (2.97 inches) 74.6 mm (2.94 inches)
Thickness 8 mm (0.31 inches) 8.4 mm (0.33 inches)
Weight 225 gramm (7.94 oz) 234 gramm (8.25 oz)
Waterproof IP53 IP68
Rear material Ceramic Ceramic
Frame material Metal Metal
Colors White, Black, Gray White, Black
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
87.6%
91.4%

Performance

Tests of Xiaomi Mix 4 and Xiaomi Mi 11 Ultra in the benchmarks
SoC
Chipset Qualcomm Snapdragon 888 Plus Qualcomm Snapdragon 888
Max. clock 2995 MHz 2840 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.995 GHz: Kryo 680 Prime (Cortex-X1)
- 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
L3 cache 4 MB 4 MB
Lithography process 5 nanometers 5 nanometers
Graphics Adreno 660 Adreno 660
GPU clock 840 MHz 840 MHz
FLOPS - ~1720 GFLOPS
Memory
RAM size 8, 12 GB 8, 12 GB
Memory type LPDDR5 LPDDR5
Memory clock 3200 MHz 2750 MHz
Channels 2 2
Storage
Storage size 128, 256, 512 GB 128, 256, 512 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Benchmarks

Geekbench 5 (Single-Core)
1108
1123
Geekbench 5 (Multi-Core)
Mix 4 +10%
3834
AnTuTu Benchmark 9
Mix 4 +3%
792919
772555
CPU 193310 198271
GPU 321665 290845
Memory 135574 131669
UX 146461 151935
Total score 792919 772555
3DMark Wild Life Performance
Mix 4 +2%
5430
Stability 99% 91%
Graphics test 32 FPS 31 FPS
Graphics score 5430 5308
PCMark 3.0 score 12243 13096
AnTuTu 9 Android Ranking List (92nd and 102nd place)
Sources: 3DMark [3], [4]

Software

Operating system Android 11 (Can be upgraded to Android 12) Android 11 (Can be upgraded to Android 12)
ROM MIUI 13 MIUI 13
OS size 30.8 GB 31 GB

Battery

Specifications
Capacity 4500 mAh 5000 mAh
Charge power 120 W 67 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (50 W) Yes (67 W)
Reverse charging No Yes, (wireless)
Fast charging Yes (100% in 15 min) Yes (90% in 30 min)
Full charging time 0:15 hr 0:37 hr
Battery life tests
Web browsing - 08:18 hr
Watching video - 12:44 hr
Gaming - 04:46 hr
Standby - 79 hr
General battery life
n/a
25:28 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 108 megapixels 50 megapixels
Image resolution 12032 x 9204 8700 x 5800
Zoom Optical, 5x Optical, 5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 24FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 480 FPS (1080p) 1920 FPS (1080p)
Angle of widest lens 123° 128°
Lenses 3 (108 MP + 8 MP + 8 MP) 3 (50 MP + 48 MP + 48 MP)
Wide (main) lens - 108 MP
- Aperture: f/1.9
- Focal length: 24 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.33", Samsung Bright S5KHMX (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
- 50 MP
- Aperture: f/2.0
- Focal length: 24 mm
- Pixel size: 1.4 micron
- Sensor: 1/1.12", Samsung GN2 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
Telephoto lens - 8 MP
- Aperture: f/4.1
- Focal length: 120 mm
- 48 MP
- Aperture: f/4.1
- Focal length: 120 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.06" (CMOS)
- 48 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
- RAW support
Samples - Photo samples of Xiaomi Mi 11 Ultra from DxOMark
Selfie camera
Megapixels 20 megapixels 20 megapixels
Image resolution 4608 x 3456 5380 x 3620
Aperture - f/2.3
Focal length 26 mm 27 mm
Pixel size 0.8 microns 0.8 microns
Sensor type ISOCELL CMOS ISOCELL CMOS
Sensor size 1/3.4" 1/3.4"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 60 FPS

DxOMark camera tests

Photo quality
n/a
Video quality
n/a
Generic camera score
n/a

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.2
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port Yes Yes
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* 24 24
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes -
Speakers test
Max. loudness
88.8 dB
89.5 dB

Other

Category Flagship Flagship
Announced August 2021 March 2021
Release date August 2021 April 2021
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- 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

If the battery life is more important to you, then choose the Xiaomi Mix 4. But if the display, camera, and design are more of a priority – go for the Xiaomi Mi 11 Ultra.

Cast your vote

So, which phone would you choose?
68 (33.2%)
137 (66.8%)
Total votes: 205

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