Home/Samsung/Samsung Galaxy S20 vs Samsung Galaxy S21 5G
Samsung Galaxy S20

Samsung Galaxy S20

#745
Samsung Galaxy S21 5G

Samsung Galaxy S21 5G

#469

Category Breakdown

Samsung Galaxy S20
Samsung Galaxy S21 5G
Performance
64.870.8
Camera
53.653.6
Display
88.588.5
Battery
66.066.0
Build
79.879.8
Overall
68.470.2

Summary

  • The Samsung Galaxy S20 and Galaxy S21 5G share a similar build quality with glass fronts and aluminum frames, but the S21 features Gorilla Glass Victus and a slightly heavier design.
  • Both phones have a 6.2" Dynamic AMOLED 2X display with a 120Hz refresh rate, but the S21 offers a higher peak brightness of 1300 nits and a lower resolution of 1080 x 2400 pixels compared to the S20's 1440 x 3200 pixels.
  • 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 offering a 12 MP wide, 64 MP telephoto, and 12 MP ultrawide setup, but the S21 enhances video recording with higher frame rates at 1080p.
  • Both models have a 4000 mAh battery with 25W charging, but the S21 supports more extensive software updates, running Android 11 with up to four major upgrades compared to the S20's Android 10 with fewer future updates.

Side-by-side Specification Comparison

Samsung Galaxy S20
Samsung Galaxy S21 5G

General

Release Date

2020, February 11
2021, January 14

Announced

2020, February 11
2021, January 14

Description

Also available with 5G
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 (~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) - USA/China

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) - USA/China

GPU

Mali-G77 MP11 - GlobalAdreno 650 - USA
Mali-G78 MP14 - InternationalAdreno 660 - USA/China

Memory

128GB 8GB RAM
128GB 6GB 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 +eSIMNano-SIM + Nano-SIM + eSIM (max 2 at a time)

Network

GSM / CDMA / HSPA / EVDO / LTE
GSM / CDMA / HSPA / EVDO / LTE / 5G

Network Speed

HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps
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, 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