Samsung Galaxy S20
#1158
Samsung Galaxy S21
#1377Category Breakdown
Samsung Galaxy S20
Samsung Galaxy S21
Performance
93.194.5
Camera
91.594.7
Display
93.290.9
Battery
67.263.2
Build
95.690.0
Overall
88.186.6
Summary
- The Samsung Galaxy S20 and S21 share a similar build quality with aluminum frames and Gorilla Glass, but the S21 features Gorilla Glass Victus on the front and a plastic back, making it slightly heavier at 169g compared to the S20's 163g.
- Both models have a 6.2-inch Dynamic AMOLED 2X display with a 120Hz refresh rate; however, the S21 offers a higher peak brightness of 1300 nits and a lower resolution of 1080 x 2400 pixels, resulting in a lower pixel density.
- In terms of performance, the S21 is powered by the more advanced Exynos 2100 or Snapdragon 888, providing improved efficiency and graphics capabilities over the S20's Exynos 990 or Snapdragon 865.
- The camera systems are nearly identical, with both featuring a triple rear setup and 10 MP front camera, but the S21 supports higher frame rates for video recording.
- Battery capacity remains the same at 4000 mAh, with both supporting 25W wired and wireless charging.
- The S21 runs on Android 11 with up to four major upgrades, while the S20 launched with Android 10 and is upgradable to Android 13.
Side-by-side Specification Comparison
Samsung Galaxy S20
Samsung Galaxy S21
General
Release Date
2020, February 11
N/A
Announced
2020, February 11
N/A
Description
Also available with 5G
Unofficial preliminary specificationsNot to be confused withSamsung Galaxy S21 5G. Samsung Galaxy S21 LTE only model has been cancelled.
Display
Size
6.2"
6.2"
Type
Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)
Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Resolution
1440 x 3200 pixels, 20:9 ratio (~563 ppi density)
1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
PPI
1440
1080
Refresh Rate
120Hz
120Hz
Peak Brightness
N/A
N/A
HDR Support
✓
✓
Protection
Corning Gorilla Glass 6
Corning Gorilla Glass Victus
Performance
Chipset
Exynos 990 (7 nm+) - GlobalQualcomm SM8250 Snapdragon 865 5G (7 nm+) - USA
Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - GlobalOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) - USA
Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55
GPU
Mali-G77 MP11 - GlobalAdreno 650 - USA
Mali-G78 MP14 - InternationalAdreno 660
Memory
128GB 8GB RAM
128GB 8GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
No
Camera
Main Camera
12 MP
12 MP
Main Camera Details
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Front Camera
10 MP
10 MP
Front Camera Details
10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF
10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF
Video Recording
8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie Video
4K@30/60fps, 1080p@30fps
4K@30/60fps, 1080p@30fps
OIS
✓
✓
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
4000 mAh
4000 mAh
Battery Details
Li-Ion 4000 mAh
Li-Ion 4000 mAh
Charging Details
25W wired, PD3.015W wireless (Qi)4.5W reverse wireless
25W wired, PD3.015W wireless (Qi)4.5W reverse wireless
Fast Charging
✗
✗
Wireless Charging
✓
✓
Build & Design
Dimensions
151.7 x 69.1 x 7.9 mm (5.97 x 2.72 x 0.31 in)
151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight
163 g
169 g
Materials
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Water Resistance
N/A
N/A
Colors
Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Foldable
✗
✗
Connectivity
SIM
Nano-SIM +eSIMNano-SIM + Nano-SIM
· Nano-SIM· Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / EVDO / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✓
✓
USB
USB Type-C 3.2, OTG
USB Type-C 3.2, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS, GLONASS, BDS, GALILEO
GPS, GLONASS, BDS, GALILEO
Software
Operating System
Android 10, upgradable to Android 13, One UI 5
Android 11, up to 4 major Android upgrades, One UI 6.1
OS Version
Android 10, upgradable to Android 13, One UI 5
Android 11, up to 4 major Android upgrades, One UI 6.1
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No