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Samsung Galaxy A21s vs Samsung Galaxy S20

What Galaxy A21s does better (5) and where Galaxy S20 wins (28) — every spec side by side.

Samsung Galaxy A21s
Samsung · 2020Galaxy A21s
4.6Score
5 advantages≈ $240
vs
Samsung Galaxy S20
Samsung · 2020Galaxy S20
7.8Score
28 advantages≈ $430
Higher score
3.4Display7.7
2.2Performance6.0
5.7Camera7.9
4.0Battery3.8
5.0Features8.2
Dimensions

Size comparison

Galaxy A21sGalaxy S20
75.3 × 163.78.969.1 × 151.77.9
Galaxy A21sGalaxy S20Difference
Height163.7 mm151.7 mm+12 mm
Width75.3 mm69.1 mm+6.2 mm
Thickness8.9 mm7.9 mm+1 mm
Weight192 g163 g+29 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy A21s better than Galaxy S20?

  1. Main camera48 MP vs 12 MP4×
  2. Battery capacity5,000 mAh vs 4,000 mAh+25%
  3. 3.5 mm headphone jackYes · Galaxy S20: No
  4. Screen size6.5″ vs 6.2″+5%
  5. Selfie camera13 MP vs 10 MP+30%

Why is Galaxy S20 better than Galaxy A21s?

  1. AnTuTu score107,157 vs 525,0294.9×
  2. Geekbench 6 (multi-core)1,100 vs 12,55711.4×
  3. Refresh rate60 Hz vs 120 Hz2×
  4. Wired charging15 W vs 25 W+67%
  5. Peak brightness540 nits vs 1,200 nits2.2×
  6. Pixel density270 ppi vs 563 ppi2.1×
  7. OLED panelNo · Galaxy A21s: Yes
  8. Optical stabilisationNo · Galaxy A21s: Yes
  9. Telephoto cameraNo · Galaxy A21s: Yes
  10. Wireless chargingNo · Galaxy A21s: Yes
  11. Stereo speakersNo · Galaxy A21s: Yes
  12. RAM6 GB vs 8 GB+33%
Specifications

Side by side

Design
Weight192 g163 g
Thickness8.9 mm7.9 mm
Height163.7 mm151.7 mm
Width75.3 mm69.1 mm
FramePlasticAluminium
BackPlasticGlass
Ingress protection—IP68
Water resistance (IPx)—IPx8
Glass protection—Corning Gorilla Glass 6
ColoursBlack, White, Blue, RedCosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red
Display
Screen size6.5″6.2″
PanelPLS LCDDynamic AMOLED 2X
OLED panelNoYes
Resolution (width)720 px1,440 px
Resolution (height)1,600 px3,200 px
Pixel density270 ppi563 ppi
Refresh rate60 Hz120 Hz
Peak brightness540 nits1,200 nits
Measured brightness490 nits814 nits
Screen-to-body ratio82.8%89.5%
HDR—Yes
Performance
ChipsetExynos 850Exynos 990 - Global
Chip makerExynosQualcomm
Process8 nm7 nm
CPU cores88
CPU frequency2 GHz2.84 GHz
GPUMali-G52Mali-G77 MP11 - Global Adreno 650 - USA
AnTuTu score107,157525,029
Geekbench 6 (multi-core)1,10012,557
3DMark Wild Life Extreme—1,414
Memory
RAM6 GB8 GB
Storage (max)128 GB128 GB
Storage (base)32 GB128 GB
Storage typeeMMC 5.1UFS 3.0
Memory card slotYesYes
Camera
Main camera48 MP12 MP
Main camera aperturef/2f/1.8
Main sensor size1/2.0"1/1.76"
Rear cameras23
Optical stabilisationNoYes
Ultra-wide cameraYesYes
Telephoto cameraNoYes
Optical zoom—1.1×
Max video1080p8K
4K video frame rate—60 fps
Selfie camera13 MP10 MP
4K selfie videoNoYes
Battery
Battery capacity5,000 mAh4,000 mAh
Battery typeLi-PoLi-Ion
Wired charging15 W25 W
Charged in 30 min25%—
Wireless chargingNoYes
Wireless charging power—15 W
Reverse wireless charging—Yes
Connectivity
5GNoNo
eSIMNoYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 6
Bluetooth55
NFCYesYes
USBUSB Type-C 2.0USB Type-C 3.2
USB version23.2
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoYes
3.5 mm headphone jackYesNo
Loudspeaker loudness-30 LUFS-23.9 LUFS
Fingerprint sensorRearUnder display, ultrasonic
Barometer—Yes
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
SAR (head)0.42 W/kg0.28 W/kg
Software
OS at launchAndroid 10Android 10
PlatformAndroidAndroid
InterfaceOne UI 4.1One UI 5
To compare: 0up to 4 models
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