Category Breakdown
Samsung Galaxy S20 5G UW
Samsung Galaxy S21 5G
Performance
70.870.8
Camera
53.653.6
Display
88.588.5
Battery
66.066.0
Build
79.879.8
Overall
70.270.2
Summary
- The Samsung Galaxy S20 5G UW features a glass front and back with an aluminum frame, while the Galaxy S21 5G has a glass front with a plastic back and an aluminum frame, making the S20 slightly more premium in build quality.
- Both phones have a 6.2-inch Dynamic AMOLED 2X display with a 120Hz refresh rate, but the S20 offers a higher resolution of 1440 x 3200 pixels compared to the S21's 1080 x 2400 pixels.
- In terms of performance, the S21 is powered by either the Exynos 2100 or Snapdragon 888, providing improved efficiency and speed over the Snapdragon 865 in the S20.
- Both devices have similar camera setups, but the S21 supports higher frame rates for video recording.
- Battery capacity is identical at 4000 mAh, with both supporting 25W charging and wireless charging.
- The S21 runs on Android 11 with One UI 6.1, offering a more updated software experience compared to the S20's Android 10 with One UI 2.5.
Side-by-side Specification Comparison
Samsung Galaxy S20 5G UW
Samsung Galaxy S21 5G
General
Release Date
2020, May 20
2021, January 14
Announced
2020, May 20
2021, January 14
Description
For Verizon
Versions: SM-G991B, SM-G991B/DS (International); SM-G991U (USA); SM-G991U1 (USA unlocked); SM-G991W (Canada); SM-G991N (Korea); SM-G9910 (China)
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 (~566 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
Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPU
Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
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) - USA/China
GPU
Adreno 650
Mali-G78 MP14 - InternationalAdreno 660 - USA/China
Memory
128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
No
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 8.1 mm (5.97 x 2.72 x 0.32 in)
151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight
168.1 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
Cloud Pink, Cosmic Grey, Cloud White
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Foldable
✗
✗
Connectivity
SIM
Nano-SIM (pre-installed)
Nano-SIM +eSIMNano-SIM + Nano-SIM + eSIM (max 2 at a time)
Network
GSM / CDMA / HSPA / EVDO / LTE / 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
Network Speed
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
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, One UI 2.5
Android 11, up to 4 major Android upgrades, One UI 6.1
OS Version
Android 10, One UI 2.5
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

