Samsung Galaxy A31 vs Samsung Galaxy S20

Compared 2 smartphones : Samsung Galaxy A31 Manufactured in April, 2020, with display 6.4 with chipsetMediatek Helio P65, vs Samsung Galaxy S20, Manufactured in March, 2020 with chipsetSamsung Exynos 9 Octa 990. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A31
  • Larger display: 6.4in
  • Higher battery capacity: 5000mAh vs 4000mAh
Reasons to choose Samsung Galaxy S20
  • Higher pixel density: 563ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 163g vs 185g
  • Supports newer USB: 3.1 vs 2
  • Built-in eSIM

Versions

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

Review

Key Specs Samsung Galaxy A31 and Samsung Galaxy S20
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

Display

Display quality comparison
Type Super AMOLED Dynamic AMOLED
Size 6.4 in 6.2 in
Resolution 1080x2400 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 411 ppi 563 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No No
Max brightness 600 nits 800 nits
HDR support No Yes HDR10+
Screen-to-body ratio 84.9 % 88.5 %
Features Always-On Display - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A31
629 nits
Samsung Galaxy S20
809 nits
sRGB gamut96.8 %99.8 %
PWM (Flicker)238 Hz242 Hz
Response time8 ms8.5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 159.3 mm (6.27 in) 151.7 mm (5.97 in)
Width 73.1 mm (2.88 in) 69.1 mm (2.72 in)
Thickness 8.6 mm (0.34 in) 7.9 mm (0.31 in)
Weight 185 g (6.53 oz) 163 g (5.75 oz)
Water resistance No IP68
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black
- Blue
- Red
- Gray
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy A31
84.9 %
Samsung Galaxy S20
88.5 %

Performance

Testing Samsung Galaxy A31 and Samsung Galaxy S20 In benchmarks
Processor
Chipset Mediatek Helio P65 Samsung Exynos 9 Octa 990
Max Frequency 2000 MHz 3020 MHz
CPU Cores 8 (2 + 6) 8 (2 + 2 + 4)
Architecture - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process TSMC Samsung
Transistor Size 12 nm 7 nm
Neural Processor Yes Yes
Graphics Mali-G52 MP2 Mali-G77 MP11
GPU Cores 48 704
GPU Frequency 820 MHz 550 MHz
FLOPS 78.7 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A31
509
Samsung Galaxy S20
1139
Geekbench 6 (Multi-Core)
Samsung Galaxy A31
1553
Samsung Galaxy S20
3080
Geekbench 6 (Single-Core)5091139
Geekbench 6 (Multi-Core)15533080
AnTuTu 10
AnTuTu 10
Samsung Galaxy A31
197929
Samsung Galaxy S20
680061
CPU74327206940
GPU24218180770
Memory45491136999
UX53893155352
NanoReview Score197929680061
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A31
572
Samsung Galaxy S20
4221
Max Surface Temp.45.2 °C49.7 °C
Stability97 %51 %
Graphics Test3 fps25 fps
Graphics Score5724221
PCMark 3.0
PCMark 3.0
Samsung Galaxy A31
5615
Samsung Galaxy S20
11213
Writing score582513300
Web score44479221
Video editing49206001
Data manipulation44208487
NanoReview Score561511213

Memory

RAM
RAM Size 4 GB 8 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 1866 MHz 3200 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
128 GB
Storage TypeeMMC 5.1UFS 3.0
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 12) Android 10.0 (Upgradeable to Android 13)
OS Size 27 GB 20.1 GB
UI Skin One UI 4.1 One UI 5.1

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 15 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes Samsung Adaptive Fast Charge (50% in 60 min) Yes (100% in 75 min)
Full Charge Time 2:25 h 1:15 h
Battery Life Test
Battery Life
Samsung Galaxy A31
25:27
Samsung Galaxy S20
16:07
Web Browsing10:26 h06:49 h
Video Playback14:36 h10:33 h
Games05:44 h04:30 h
Standby Mode126 h69 h

Main camera

Matrix 48 MP 12 MP
Photo resolution 8000x6000 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash LED LED
Stabilization Digital Optical
8K Recording No Up to 24FPS
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion No 960 fps (720p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP12 MP
Aperturef/2.0f/1.8
Focal length26 mm26 mm
SensorSamsung S5KGM2Samsung S5K2LD
Sensor size1/2.01/1.76
Pixel size0.8 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a29 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
Sensorn/aSamsung S5K2LA
Sensor size1/4.01/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 10 MP
Photo resolution 5963x3354 pixels 2592x3872 pixels
Aperture f/2.2 f/2.2
Focal length n/a 26 mm
Sensor CMOS Samsung S5K3J1
Sensor size n/a 1/3.2
Pixel size n/a 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoYes
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B5/B7/B8/B20/B38/B40/B41)LTE (B850/B900/B1700/B1900/B2100)
LTE category1222
5G SupportNoNo

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A31
78.5 dB
Samsung Galaxy S20
85.9 dB

Other

Class Mid-range Flagship
Announced March, 2020 yr February, 2020 yr
Release Date April, 2020 yr March, 2020 yr
Launch Price ($) 210 999
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S20 the clear winner in this comparison.

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