Home Phone comparison Samsung Galaxy A31 and Samsung Galaxy A20 - Which is better?

Samsung Galaxy A31 vs Samsung Galaxy A20

43 out 100
Samsung Galaxy A31
VS
33 out 100
Samsung Galaxy A20
Samsung Galaxy A31
Samsung Galaxy A20

Compared 2 smartphones : Samsung Galaxy A31 Manufactured in April, 2020, with display 6.4 with chipsetMediatek Helio P65, vs Samsung Galaxy A20, Manufactured in March, 2019 with chipsetSamsung Exynos 7 Octa 7884. 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 Samsung Galaxy A31
  • Higher pixel density: 411ppi
  • Higher battery capacity: 5000mAh vs 4000mAh
Reasons to choose Samsung Galaxy A20
  • Lighter design: 169g vs 185g

Versions

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

Review

Key Specs Samsung Galaxy A31 and Samsung Galaxy A20
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.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy A31
vs
Samsung Galaxy A20

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.4 in 6.4 in
Resolution 1080x2400 pixels 720x1560 pixels
Aspect ratio 20:9 19.5:9
Pixel density 411 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 600 nits 400 nits
HDR support No No
Screen-to-body ratio 84.9 % 84.9 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy A31
629 nits
Samsung Galaxy A20
n/a
sRGB gamut96.8 %n/a
PWM (Flicker)238 Hzn/a
Response time8 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A31]

Design & Build

Design and ergonomics comparison
Height 159.3 mm (6.27 in) 158.4 mm (6.24 in)
Width 73.1 mm (2.88 in) 74.7 mm (2.94 in)
Thickness 8.6 mm (0.34 in) 7.8 mm (0.31 in)
Weight 185 g (6.53 oz) 169 g (5.96 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Blue
- Red		 -
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Samsung Galaxy A31
84.9 %
Samsung Galaxy A20
84.9 %

Performance

Testing Samsung Galaxy A31 and Samsung Galaxy A20 In benchmarks
Processor
Chipset Mediatek Helio P65 Samsung Exynos 7 Octa 7884
Max Frequency 2000 MHz 1600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/1.35 (Cortex-A53)
- 2/1.6 (Cortex-A73)
Process TSMC Samsung
Transistor Size 12 nm 14 nm
Neural Processor Yes No
Graphics Mali-G52 MP2 Mali-G71 MP2
GPU Cores 48 32
GPU Frequency 820 MHz 850 MHz
FLOPS 78.7 GFLOPS 49.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A31
509
Samsung Galaxy A20
482
Geekbench 6 (Multi-Core)
Samsung Galaxy A31
1553
Samsung Galaxy A20
1526
Geekbench 6 (Single-Core)509482
Geekbench 6 (Multi-Core)15531526
AnTuTu 10
AnTuTu 10
Samsung Galaxy A31
197929
Samsung Galaxy A20
165192
CPU7432761354
GPU2421817164
Memory4549148475
UX5389338199
NanoReview Score197929165192
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A31
572
Samsung Galaxy A20
324
Max Surface Temp.45.2 °Cn/a
Stability97 %85 %
Graphics Test3 fps1 fps
Graphics Score572324
Sources: 3DMark [Samsung Galaxy A31], [Samsung Galaxy A20]
PCMark 3.0
PCMark 3.0
Samsung Galaxy A31
5615
Samsung Galaxy A20
5004
Writing score58254872
Web score44474726
Video editing49203603
Data manipulation44204769
NanoReview Score56155004

Memory

RAM
RAM Size 4 GB 3 GB
Memory Type LPDDR4X LPDDR3
Memory Frequency 1866 MHz 933 MHz
Channels 2 1
Storage
Storage Capacity- 64 GB
- 128 GB		32 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 9.0 (Upgradeable to Android 11)
OS Size 27 GB n/a
UI Skin One UI 4.1 One UI 3.1

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 15 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes Samsung Adaptive Fast Charge (50% in 60 min) Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 2:25 h 2:00 h
Battery Life Test
Battery Life
Samsung Galaxy A31
25:27
Samsung Galaxy A20
n/a
Web Browsing10:26 hn/a
Video Playback14:36 hn/a
Games05:44 hn/a
Standby Mode126 hn/a

Main camera

Matrix 48 MP 13 MP
Photo resolution 8000x6000 pixels 4128x3096 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 123 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 13 MP
Ultra-wide: 5 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix48 MP13 MP
Aperturef/2.0f/1.9
Focal length26 mm28 mm
SensorSamsung S5KGM2n/a
Sensor size1/2.0n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP5 MP
Aperturef/2.2f/2.2
Focal length13 mm12 mm
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 20 MP 8 MP
Photo resolution 5963x3354 pixels 3264x2448 pixels
Aperture f/2.2 f/2.0
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 720p at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM850, GSM900, DCS1800, PCS1900
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B5/B7/B8/B20/B38/B40/B41)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category124
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A31
78.5 dB
Samsung Galaxy A20
n/a

Other

Class Mid-range Mid-range
Announced March, 2020 yr March, 2019 yr
Release Date April, 2020 yr March, 2019 yr
Launch Price ($) 210 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy A31 the clear winner in this comparison.

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