Home Phone comparison Samsung Galaxy A21s and Samsung Galaxy A20s - Which is better?

Samsung Galaxy A21s vs Samsung Galaxy A20s

39 out 100
Samsung Galaxy A21s
VS
33 out 100
Samsung Galaxy A20s
Samsung Galaxy A21s
Samsung Galaxy A20s

Compared 2 smartphones : Samsung Galaxy A21s Manufactured in June, 2020, with display 6.5 with chipsetSamsung Exynos 850, vs Samsung Galaxy A20s, Manufactured in October, 2019 with chipsetQualcomm Snapdragon 450. 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 A21s
  • Higher pixel density: 270ppi
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5 vs 4.2
Reasons to choose Samsung Galaxy A20s
  • Lighter design: 183g vs 192g

Versions

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

Review

Key Specs Samsung Galaxy A21s and Samsung Galaxy A20s
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 A21s
vs
Samsung Galaxy A20s

Display

Display quality comparison
Type PLS TFT IPS LCD
Size 6.5 in 6.5 in
Resolution 720x1600 pixels 720x1560 pixels
Aspect ratio 20:9 19:9
Pixel density 270 ppi 259 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 540 nits 400 nits
HDR support No No
Screen-to-body ratio 82.9 % 83.3 %
Display test
Peak brightness (auto)
Samsung Galaxy A21s
487 nits
Samsung Galaxy A20s
381 nits
sRGB gamut88.4 %94.5 %
PWM (Flicker)500 Hzn/a
Response time30.4 ms36 ms
Contrast1500:1914:1
Sources: NotebookCheck [Samsung Galaxy A21s], [Samsung Galaxy A20s]

Design & Build

Design and ergonomics comparison
Height 163.6 mm (6.44 in) 163.3 mm (6.43 in)
Width 75.3 mm (2.96 in) 77.5 mm (3.05 in)
Thickness 8.9 mm (0.35 in) 8 mm (0.31 in)
Weight 192 g (6.77 oz) 183 g (6.46 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Red		 - Black
- Blue
- Green
- Red
Fingerprint sensor Yes rear Yes rear
Screen-to-body ratio
Samsung Galaxy A21s
82.9 %
Samsung Galaxy A20s
83.3 %

Performance

Testing Samsung Galaxy A21s and Samsung Galaxy A20s In benchmarks
Processor
Chipset Samsung Exynos 850 Qualcomm Snapdragon 450
Max Frequency 2000 MHz 1800 MHz
CPU Cores 8 (8) 8 (8)
Architecture 8/2 (Cortex-A55) 8/1.8 (Cortex-A53)
Process Samsung Samsung
Transistor Size 8 nm 14 nm
Neural Processor No Hexagon 546
Graphics Mali-G52 MP1 Adreno 506
GPU Cores 24 96
GPU Frequency 850 MHz 650 MHz
FLOPS 40.8 GFLOPS 115.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A21s
484
Samsung Galaxy A20s
476
Geekbench 6 (Multi-Core)
Samsung Galaxy A21s
1523
Samsung Galaxy A20s
1519
Geekbench 6 (Single-Core)484476
Geekbench 6 (Multi-Core)15231519
AnTuTu 10
AnTuTu 10
Samsung Galaxy A21s
191375
Samsung Galaxy A20s
135122
CPU6874848967
GPU2680714577
Memory5921043997
UX3661027581
NanoReview Score191375135122
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A21s
425
Samsung Galaxy A20s
n/a
Max Surface Temp.43.2 °Cn/a
Stability98 %n/a
Graphics Test2 fpsn/a
Graphics Score425n/a
Sources: 3DMark [Samsung Galaxy A21s]
PCMark 3.0
PCMark 3.0
Samsung Galaxy A21s
5429
Samsung Galaxy A20s
n/a
Writing score5426n/a
Web score4708n/a
Video editing5145n/a
Data manipulation3808n/a
NanoReview Score5429n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB		 3 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1333 MHz
Channels 2 1
Storage
Storage Capacity- 32 GB
- 64 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 12 GB 11 GB
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-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 60 min) Yes (50% in 40 min)
Full Charge Time 2:10 h 2:20 h
Battery Life Test
Battery Life
Samsung Galaxy A21s
25:00
Samsung Galaxy A20s
20:26
Web Browsing09:45 h07:55 h
Video Playback14:13 h12:11 h
Games05:34 h04:49 h
Standby Mode128 h102 h

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 120 fps (720p)
Wide-angle lens 123 ° 123 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 13 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix48 MP13 MP
Aperturef/2.0f/1.8
Focal length26 mm27 mm
SensorSamsung S5KGM2n/a
Sensor size1/2.0n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
Sensor size1/4.01/4.0
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 13 MP 8 MP
Photo resolution 4128x3096 pixels 3264x2448 pixels
Aperture f/2.2 f/2.0
Sensor CMOS CMOS
Sensor size 1/3.1 n/a
Pixel size 1.12 μm n/a
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
- Wi-Fi Display		 - Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 4.2
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 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes No
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, PCS1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B5/B7/B8/B20/B28)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category134
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 A21s
79.5 dB
Samsung Galaxy A20s
81.5 dB

Other

Class Budget Mid-range
Announced May, 2020 yr September, 2019 yr
Release Date June, 2020 yr October, 2019 yr
Launch Price ($) 200 190
Sensors - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint 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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