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Xiaomi Redmi Note 8 Pro vs Samsung Galaxy A31

Here we compared two mid-range smartphones: the 6.53-inch Xiaomi Redmi Note 8 Pro (with MediaTek Helio G90T) that was released on August 29, 2019, against the Samsung Galaxy A31, which is powered by Mediatek Helio P65 and came out 7 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 Redmi Note 8 Pro
  • Water-resistant body (IP52 classification)
  • 2x better performance in AnTuTu Benchmark (290K versus 145K)
  • Slow-motion recording at 960FPS
  • Ability to record video in 4K resolution
  • Has 50% more RAM: 6GB versus 4GB
  • Faster storage type - UFS 2.1 versus eMMC 5.1
  • 41% faster in single-core GeekBench 5 test: 495 and 350 points
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy A31
  • Shows 9% longer battery life (124 vs 114 hours)
  • Comes with 500 mAh larger battery capacity: 5000 vs 4500 mAh
  • Super AMOLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • Weighs 15 grams less
  • The phone is 7-months newer

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 Super AMOLED
Size 6.53 inches 6.4 inches
Resolution 1080 x 2340 pixels 1080 x 2400 pixels
Aspect ratio 19.5:9 20:9
PPI 395 ppi 411 ppi
Refresh rate 60 Hz 60 Hz
HDR support Yes, HDR10 No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 84.9% 84.9%
Display features - - Always-On Display
Display tests
RGB color space - 96.8%
PWM - 238 Hz
Response time - 8 ms
Contrast - ∞ Infinity
Max. Brightness
648 nits
637 nits
Sources: NotebookCheck [1]

Design and build

Height 161.4 mm (6.35 inches) 159.3 mm (6.27 inches)
Width 76.4 mm (3.01 inches) 73.1 mm (2.88 inches)
Thickness 8.8 mm (0.35 inches) 8.6 mm (0.34 inches)
Weight 200 gramm (7.05 oz) 185 gramm (6.53 oz)
Waterproof IP52 No
Rear material Glass Plastic
Frame material Plastic Plastic
Colors White, Gray, Blue, Green White, Black, Blue, Red
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio

Performance

Tests of Xiaomi Redmi Note 8 Pro and Samsung Galaxy A31 in the benchmarks
SoC
Chipset MediaTek Helio G90T Mediatek Helio P65
Max. clock 2050 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.05 GHz: Cortex-A76
- 6 cores at 1.7 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
Lithography process 12 nanometers 12 nanometers
Graphics Mali-G76MC4 Arm Mali-G52 2EEMC2
GPU clock 800 MHz 820 MHz
FLOPS ~184 GFLOPS ~56.4 GFLOPS
Memory
RAM size 6 GB 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 64, 128 GB
Storage type UFS 2.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
1535
1260
AnTuTu Benchmark 7
223202
112874
AnTuTu Benchmark 8
290684
145772

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 10 (Can be upgraded to Android 11)
ROM MIUI 12.5 One UI 3.1
OS size - 27 GB

Battery

Specifications
Capacity 4500 mAh 5000 mAh
Charge power 18 W 15 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (30% in 30 min) Yes, Samsung Adaptive Fast Charge (50% in 60 min)
Full charging time 2:00 hr 2:25 hr

Battery life tests

Web browsing (Wi-Fi)
15:06 hr
Galaxy A31 +10%
16:54 hr
Watching videos (Player)
15:25 hr
Galaxy A31 +31%
20:01 hr
Talk (3G)
33:28 hr
35:56 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 48 megapixels
Image resolution 9000 x 7000 8000 x 6000
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS No
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 960 FPS (720p) No
Angle of widest lens 120° 123°
Lenses 4 (64 MP + 8 MP + 2 MP + 2 MP) 4 (48 MP + 8 MP + 5 MP + 5 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.9
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.7", Samsung S5KGW1 (ISOCELL CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
- 5 MP
- Aperture: f/2.4
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5" (CMOS)
- 5 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Samples Photo samples of Xiaomi Redmi Note 8 Pro from DxOMark -
Selfie camera
Megapixels 20 megapixels 20 megapixels
Image resolution 5184 x 3880 5963 x 3354
Aperture f/2.0 f/2.2
Pixel size 0.9 microns -
Sensor type ISOCELL CMOS CMOS
Sensor size 1/3.1" -
Video resolution 1080p (Full HD) при 30 FPS 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 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
Bluetooth version 5 5
Bluetooth features LE, HID, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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 GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port Yes No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot Yes No
LTE Cat* 12 12
5G support No No

Sound

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

Other

Category Mid-range Mid-range
Announced August 2019 March 2020
Release date October 2019 April 2020
Launch price ~ 225 USD ~ 225 USD
SAR (head) 0.38 W/kg 0.49 W/kg
SAR (body) 0.8 W/kg 1.68 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- 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

If the performance, camera, and design are more important to you, then choose the Xiaomi Redmi Note 8 Pro. But if the display, battery life, and sound are more of a priority – go for the Samsung Galaxy A31.

Cast your vote

So, which phone would you choose?
241 (58.8%)
169 (41.2%)
Total votes: 410

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