Xiaomi Redmi Note 12 vs Samsung Galaxy A31

Compared 2 smartphones : Xiaomi Redmi Note 12 Manufactured in March, 2023, with display 6.67 with chipsetQualcomm Snapdragon 685, vs Samsung Galaxy A31, Manufactured in April, 2020 with chipsetMediatek Helio P65. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi Note 12
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Lighter design: 183.5g vs 185g
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy A31
  • Higher pixel density: 411ppi
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB

Review

Key Specs Xiaomi Redmi Note 12 and Samsung Galaxy A31
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.67 in 6.4 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 395 ppi 411 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1200 nits 600 nits
HDR support No No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 85.3 % 84.9 %
Features - DCI-P3
- Always-On Display
Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi Note 12
741 nits
Samsung Galaxy A31
629 nits
sRGB gamut100 %96.8 %
PWM (Flicker)484 Hz238 Hz
Response time5 ms8 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 165.66 mm (6.52 in) 159.3 mm (6.27 in)
Width 75.96 mm (2.99 in) 73.1 mm (2.88 in)
Thickness 7.85 mm (0.31 in) 8.6 mm (0.34 in)
Weight 183.5 g (6.47 oz) 185 g (6.53 oz)
Water resistance IP53 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Blue
- Green
- White
- Black
- Blue
- Red
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Redmi Note 12
85.3 %
Samsung Galaxy A31
84.9 %

Performance

Testing Xiaomi Redmi Note 12 and Samsung Galaxy A31 In benchmarks
Processor
Chipset Qualcomm Snapdragon 685 Mediatek Helio P65
Max Frequency 2800 MHz 2000 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
- 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 6 nm 12 nm
Neural Processor Hexagon 686 Yes
Graphics Adreno 610 Mali-G52 MP2
GPU Cores 128 48
GPU Frequency 1260 MHz 820 MHz
FLOPS 319.2 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 12
375
Samsung Galaxy A31
509
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 12
1494
Samsung Galaxy A31
1553
Geekbench 6 (Single-Core)375509
Geekbench 6 (Multi-Core)14941553
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 12
346691
Samsung Galaxy A31
197929
CPU11734374327
GPU4297924218
Memory11357145491
UX7279853893
NanoReview Score346691197929
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 12
641
Samsung Galaxy A31
572
Max Surface Temp.40.9 °C45.2 °C
Stability99 %97 %
Graphics Test3 fps3 fps
Graphics Score641572
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 12
8890
Samsung Galaxy A31
5615
Writing score101905825
Web score85714447
Video editing47714920
Data manipulation72234420
NanoReview Score88905615

Memory

RAM
RAM Size - 4 GB
- 6 GB
- 8 GB
4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 256 GB
- 64 GB
- 128 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 10 (Upgradeable to Android 12)
OS Size 21 GB 27 GB
UI Skin HyperOS 2.0 One UI 4.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 33 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (55% in 30 min) Yes Samsung Adaptive Fast Charge (50% in 60 min)
Full Charge Time 1:11 h 2:25 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 12
23:06
Samsung Galaxy A31
25:27
Web Browsing08:20 h10:26 h
Video Playback15:10 h14:36 h
Games05:33 h05:44 h
Standby Mode113 h126 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) No
Wide-angle lens 120 ° 123 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal lengthn/a26 mm
SensorSamsung S5KJN1Samsung S5KGM2
Sensor size1/2.761/2.0
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorOmnivision OV08D10n/a
Sensor size1/41/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 13 MP 20 MP
Photo resolution 4128x3096 pixels 5963x3354 pixels
Aperture f/2.5 f/2.2
Sensor CMOS CMOS
Sensor size 1/3.0 n/a
Pixel size 1.12 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version 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
Bluetooth version 5 5
Bluetooth features LE 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
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900MHzGSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA 1/5/8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category1312
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi Note 12
81.3 dB
Samsung Galaxy A31
78.5 dB

Other

Class Mid-range Mid-range
Announced March, 2023 yr March, 2020 yr
Release Date March, 2023 yr April, 2020 yr
Launch Price ($) 229 210
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 33 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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