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Xiaomi Redmi 9 Prime vs Mi 9 SE

Here we compared two smartphones: the 6.53-inch Xiaomi Redmi 9 Prime (with MediaTek Helio G80) that was released on August 4, 2020, against the Xiaomi Mi 9 SE, which is powered by Qualcomm Snapdragon 712 and came out 18 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 Redmi 9 Prime
  • Comes with 1950 mAh larger battery capacity: 5020 vs 3070 mAh
  • Has a 0.56 inch larger screen size
  • Expandable storage via MicroSD card up to 512GB
  • The phone is 1-year and 6-months newer
  • Includes a 3.5 mm headphone audio jack port
Reasons to consider the Xiaomi Mi 9 SE
  • The rear camera has a 2x optical zoom
  • Delivers 60% higher maximum brightness (637 against 397 nits)
  • Slow-motion recording at 960FPS
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • Ability to record video in 4K resolution
  • 20% better performance in AnTuTu Benchmark (262K versus 218K)
  • Has 50% more RAM: 6GB versus 4GB
  • More recent OS version: Android 11 versus 10
  • AMOLED display (versus competitor's IPS LCD)

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

Display

Type IPS LCD AMOLED
Size 6.53 inches 5.97 inches
Resolution 1080 x 2340 pixels 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 395 ppi 432 ppi
Refresh rate 60 Hz 60 Hz
HDR support No Yes, HDR10
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Screen-to-body ratio 83.2% 84.1%
Display features - - Always-On Display
Display tests
RGB color space - 99.9%
PWM - 255 Hz
Response time - 4.2 ms
Contrast - ∞ Infinity
Max. Brightness
397 nits
Mi 9 SE +60%
637 nits
Sources: NotebookCheck [1]

Design and build

Height 163.3 mm (6.43 inches) 147.5 mm (5.81 inches)
Width 77 mm (3.03 inches) 70.5 mm (2.78 inches)
Thickness 9.1 mm (0.36 inches) 7.4 mm (0.29 inches)
Weight 198 gramm (6.98 oz) 155 gramm (5.47 oz)
Waterproof No No
Rear material Plastic Glass
Frame material Plastic Metal
Colors Gray, Green, Purple Gray, Blue, Purple
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
Mi 9 SE +1%
84.1%

Performance

Tests of Xiaomi Redmi 9 Prime and Xiaomi Mi 9 SE in the benchmarks
SoC
Chipset MediaTek Helio G80 Qualcomm Snapdragon 712
Max. clock 2000 MHz 2200 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 6 cores at 1.7 GHz: Kryo 360 Silver (Cortex-A55)
- 2 cores at 2.3 GHz: Kryo 360 Gold (Cortex-A75)
L3 cache - 1 MB
Lithography process 12 nanometers 10 nanometers
Graphics Mali-G52 MP2 Adreno 616
GPU clock 950 MHz 550 MHz
FLOPS ~54.6 GFLOPS ~310 GFLOPS
Memory
RAM size 4 GB 6 GB
Memory type LPDDR4 LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 128 GB
Storage type eMMC 5.1 UFS 2.1
Memory card MicroSD No
Memory card max. size Up to 512 GB -

Benchmarks

Geekbench 5 (Single-Core)
Mi 9 SE +12%
403
Geekbench 5 (Multi-Core)
Mi 9 SE +12%
1473
AnTuTu Benchmark 9
218177
Mi 9 SE +20%
262250

Software

Operating system Android 10 Android 9.0 (Can be upgraded to Android 11.0)
ROM MIUI 12 MIUI 12
OS size - 19 GB

Battery

Specifications
Capacity 5020 mAh 3070 mAh
Charge power 18 W 18 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 80 min) Yes, Quick Charge 4 (50% in 30 min)
Full charging time 3:05 hr 1:27 hr

Battery life tests

Web browsing (Wi-Fi)
10:19 hr
Watching videos (Player)
14:37 hr
Talk (3G)
25:00 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 48 megapixels
Image resolution 4128 x 3096 8000 x 6000
Zoom Digital Optical, 2x
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording No Up to 30FPS
1080p video recording Up to 30FPS Up to 60FPS
Slow motion 120 FPS (720p) 960 FPS (720p)
Angle of widest lens 118° 123°
Lenses 4 (13 MP + 8 MP + 5 MP + 2 MP) 3 (48 MP + 8 MP + 13 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (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)
- Phase 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
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0", OmniVision OV8856 (CMOS)
- 13 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
- Sensor: 1/3.1", Samsung S5K3L6 (ISOCELL CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
-
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
-
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 8 megapixels 20 megapixels
Image resolution 3264 x 2448 5120 x 3840
Aperture f/2.0 f/2.0
Focal length 27 mm 18 mm
Pixel size - 0.9 microns
Sensor type CMOS BSI CMOS
Sensor size - 1/2.78"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

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 - 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, 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
- USB-Host mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* No 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* 12 15
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes No
FM radio Yes No
Dolby Atmos No No
Speakers test
Max. loudness
81.5 dB

Other

Category Budget Mid-range
Announced August 2020 February 2019
Release date August 2020 March 2019
Launch price ~ 150 USD ~ 424 USD
SAR (head) - 1.39 W/kg
SAR (body) - 1.39 W/kg
Sensors - Proximity sensor
- 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 display, performance, software, camera, and design are more important to you, then choose the Xiaomi Mi 9 SE. But if the battery life and sound are more of a priority – go for the Xiaomi Redmi 9 Prime.

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