Home Phone comparison Xiaomi Redmi 9A and Samsung Galaxy A31 - Which is better?

Xiaomi Redmi 9A vs Samsung Galaxy A31

36 out 100
Xiaomi Redmi 9A
VS
43 out 100
Samsung Galaxy A31
Xiaomi Redmi 9A
Samsung Galaxy A31

Compared 2 smartphones : Xiaomi Redmi 9A Manufactured in August, 2020, with display 6.53 with chipsetMediaTek Helio G25, vs Samsung Galaxy A31, Manufactured in April, 2020 with chipsetMediatek Helio P65. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 9A
  • Larger display: 6.53in
Reasons to choose Samsung Galaxy A31
  • Higher pixel density: 411ppi
  • Lighter design: 185g vs 194g
  • Supports Dolby Atmos
  • Fingerprint scanner

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB

Review

Key Specs Xiaomi Redmi 9A 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
Smartphones:
Xiaomi Redmi 9A
vs
Samsung Galaxy A31

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.53 in 6.4 in
Resolution 720x1600 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 269 ppi 411 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 600 nits
HDR support No No
Screen-to-body ratio 81.1 % 84.9 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi 9A
434 nits
Samsung Galaxy A31
629 nits
sRGB gamut92.9 %96.8 %
PWM (Flicker)n/a238 Hz
Response time40 ms8 ms
Contrast1318:1∞ Infinite
Sources: NotebookCheck [Xiaomi Redmi 9A], [Samsung Galaxy A31]

Design & Build

Design and ergonomics comparison
Height 164.9 mm (6.49 in) 159.3 mm (6.27 in)
Width 77 mm (3.03 in) 73.1 mm (2.88 in)
Thickness 9 mm (0.35 in) 8.6 mm (0.34 in)
Weight 194 g (6.84 oz) 185 g (6.53 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gray
- Blue
- Green		 - White
- Black
- Blue
- Red
Fingerprint sensor No Yes In-Display
Screen-to-body ratio
Xiaomi Redmi 9A
81.1 %
Samsung Galaxy A31
84.9 %

Performance

Testing Xiaomi Redmi 9A and Samsung Galaxy A31 In benchmarks
Processor
Chipset MediaTek Helio G25 Mediatek Helio P65
Max Frequency 2000 MHz 2000 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.5 (Cortex-A53)
- 4/2 (Cortex-A53)		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor No Yes
Graphics PowerVR GE8320 Mali-G52 MP2
GPU Cores 32 48
GPU Frequency 650 MHz 820 MHz
FLOPS 41.8 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9A
472
Samsung Galaxy A31
509
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9A
1524
Samsung Galaxy A31
1553
Geekbench 6 (Single-Core)472509
Geekbench 6 (Multi-Core)15241553
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9A
125125
Samsung Galaxy A31
197929
CPU5072874327
GPU1684424218
Memory2861145491
UX2894253893
NanoReview Score125125197929
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 9A
n/a
Samsung Galaxy A31
572
Max Surface Temp.n/a45.2 °C
Stabilityn/a97 %
Graphics Testn/a3 fps
Graphics Scoren/a572
Sources: 3DMark [Samsung Galaxy A31]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 9A
n/a
Samsung Galaxy A31
5615
Writing scoren/a5825
Web scoren/a4447
Video editingn/a4920
Data manipulationn/a4420
NanoReview Scoren/a5615

Memory

RAM
RAM Size - 2 GB
- 4 GB
- 6 GB		 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1600 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		- 64 GB
- 128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 11) Android 10 (Upgradeable to Android 12)
OS Size 11 GB 27 GB
UI Skin MIUI 12.5 Enhanced One UI 4.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 10 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes Samsung Adaptive Fast Charge (50% in 60 min)
Full Charge Time 2:55 h 2:25 h
Battery Life Test
Battery Life
Xiaomi Redmi 9A
24:07
Samsung Galaxy A31
25:27
Web Browsing10:08 h10:26 h
Video Playback13:37 h14:36 h
Games05:37 h05:44 h
Standby Mode118 h126 h

Main camera

Matrix 13 MP 48 MP
Photo resolution 4128x3096 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 No No
Wide-angle lens n/a 123 °
Lenses count Standard: 13 MP Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix13 MP48 MP
Aperturef/2.2f/2.0
Focal length28 mm26 mm
Sensorn/aSamsung S5KGM2
Sensor sizen/a1/2.0
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 20 MP
Photo resolution 2560x1960 pixels 5963x3354 pixels
Aperture f/2.2 f/2.2
Sensor CMOS CMOS
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 4 (802.11 a/b/g/n) 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
Bluetooth version 5 5
Bluetooth features LE, HID, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* No Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1/2/4/5/8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)LTE (B1/B2/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category412
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 9A
76.5 dB
Samsung Galaxy A31
78.5 dB

Other

Class Budget Mid-range
Announced June, 2020 yr March, 2020 yr
Release Date August, 2020 yr April, 2020 yr
Launch Price ($) 100 210
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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