Xiaomi Mi 9 SE vs Mi 9

Here we compared two smartphones: the 5.97-inch Xiaomi Mi 9 SE (with Qualcomm Snapdragon 712) that was released on February 20, 2019, against the Xiaomi Mi 9, which is powered by Qualcomm Snapdragon 855. 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 9 SE
  • Weighs 18 grams less
Reasons to consider the Xiaomi Mi 9
  • 93% better performance in AnTuTu Benchmark (506K versus 263K)
  • Shows 10% longer battery life (25:40 vs 23:16 hours)
  • Supports wireless charging up to 20W
  • Has a 0.42 inch larger screen size
  • More energy-efficient CPU – Snapdragon 855
  • 51% faster in single-core GeekBench 5 test: 615 and 406 points

Review

Display
Screen quality, color accuracy, brightness
66
64
Performance
CPU/GPU performance in apps and games
34
48
Battery
Battery life, charging type and speed
56
65
Camera
Photo and video recording quality
64
69
Connectivity
Networks, ports, data transmission
75
77
NanoReview score
Final comparison evaluation
55
61

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 5.97 inches 6.39 inches
Resolution 1080 x 2340 pixels 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 432 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 585 nits 600 nits
HDR support Yes, HDR10 Yes, HDR10
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 6
Screen-to-body ratio 84.1% 85.2%
Display features - Always-On Display - Always-On Display
- DC Dimming
Display tests
RGB color space 99.9% 95.4%
PWM 255 Hz 245 Hz
Response time 4.2 ms 4.2 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
Mi 9 SE +3%
634 nits
617 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 147.5 mm (5.81 inches) 157.5 mm (6.2 inches)
Width 70.5 mm (2.78 inches) 74.6 mm (2.94 inches)
Thickness 7.4 mm (0.29 inches) 7.6 mm (0.3 inches)
Weight 155 gramm (5.47 oz) 173 gramm (6.1 oz)
Waterproof No No
Rear material Glass Glass
Frame material Metal Metal
Colors Gray, Blue, Purple Black, Blue, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
84.1%
Mi 9 +1%
85.2%

Performance

Tests of Xiaomi Mi 9 SE and Xiaomi Mi 9 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 712 Qualcomm Snapdragon 855
Max. clock 2200 MHz 2840 MHz
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6 cores at 1.7 GHz: Kryo 360 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 360 Gold (Cortex-A75)
- 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 1 MB 2 MB
Lithography process 10 nanometers 7 nanometers
Graphics Adreno 616 Adreno 640
GPU clock 550 MHz 585 MHz
FLOPS ~310 GFLOPS ~899 GFLOPS
Memory
RAM size 6 GB 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card No No

Benchmarks

Geekbench 5 (Single-Core)
406
Mi 9 +51%
615
Geekbench 5 (Multi-Core)
1472
Mi 9 +61%
2370
AnTuTu Benchmark 9
263160
Mi 9 +93%
506829
CPU 76184 145198
GPU 68309 179503
Memory 53104 76010
UX 67403 109413
Total score 263160 506829
3DMark Wild Life Performance
654
Mi 9 +370%
3071
Stability 97% 92%
Graphics test 3 FPS 18 FPS
Graphics score 654 3071
PCMark 3.0 score 7187 10519
Sources: 3DMark [3], [4]

Software

Operating system Android 9.0 (Can be upgraded to Android 11.0) Android 9.0 (Can be upgraded to Android 11)
ROM MIUI 12 MIUI 12.0.1
OS size 19 GB 13.5 GB

Battery

Specifications
Capacity 3070 mAh 3300 mAh
Charge power 18 W 27 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No Yes (20 W)
Reverse charging No No
Fast charging Yes, Quick Charge 4 (50% in 30 min) Yes, Quick Charge 4 (50% in 30 min)
Full charging time 1:27 hr 1:30 hr
Battery life tests
Web browsing 07:00 hr 07:01 hr
Watching video 11:36 hr 14:57 hr
Gaming 04:00 hr 03:32 hr
Standby 79 hr 84 hr
General battery life
23:16 hr
Mi 9 +10%
25:40 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 48 megapixels
Image resolution 8000 x 6000 8000 x 6000
Zoom Optical, 2x Optical, 2x
Flash Dual LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 960 FPS (1080p)
Angle of widest lens 123° 117°
Lenses 3 (48 MP + 8 MP + 13 MP) 3 (48 MP + 12 MP + 16 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 27 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/1.8
- Focal length: 27 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS)
- Laser autofocus
Telephoto lens - 8 MP
- Aperture: f/2.4
- Focal length: 52 mm
- Pixel size: 1.12 micron
- Sensor: 1/4", Omnivision OV8856
- Phase autofocus
- 12 MP
- Aperture: f/2.2
- Focal length: 54 mm
- Pixel size: 1 micron
- Sensor: 1/3.6", Samsung S5K3M5 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 13 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
- Sensor: 1/3.1", Samsung S5K3L6 (ISOCELL CMOS)
- 16 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1 micron
- Sensor: 1/3.0", Sony IMX481 (BSI CMOS)
- Phase autofocus
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
- RAW support
Samples - Photo samples of Xiaomi Mi 9 from DxOMark
Selfie camera
Megapixels 20 megapixels 20 megapixels
Image resolution 5120 x 3840 5184 x 3880
Aperture f/2.0 f/2.0
Focal length 18 mm 18 mm
Pixel size 0.9 microns 0.9 microns
Sensor type BSI CMOS CMOS
Sensor size 1/2.78" 1/3"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
n/a
112
Video quality
n/a
99
Generic camera score
n/a
107

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
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- USB-Host mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
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* 15 20
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack No No
FM radio No No
Dolby Atmos No No
Speakers test
Max. loudness
81.5 dB
Mi 9 +7%
87.1 dB

Other

Category Mid-range Flagship
Announced February 2019 February 2019
Release date March 2019 April 2019
SAR (head) 1.39 W/kg 1.389 W/kg
SAR (body) 1.39 W/kg 0.99 W/kg
Sensors - Hall-effect sensor
- Barometer
- 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

After analyzing all the data, we think that the Xiaomi Mi 9 is definitely a better buy.

Cast your vote

So, which phone would you choose?
48 (37.5%)
80 (62.5%)
Total votes: 128

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