Side-by-side technical data
Samsung Galaxy S20 5G vs Samsung Galaxy S21 5G
Comparison between Samsung Galaxy S20 5G and Samsung Galaxy S21 5G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
The verdict
Your pick: Samsung Galaxy S20 5G, ahead on Design & display.
| Category | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Design & display | 8.7 | 8.3 |
| Performance & hardware | 6.5 | 6.5 |
| Camera | 7.2 | 7.2 |
| Connectivity | 6.9 | 6.9 |
| Battery & charging | 6.4 | 6.4 |
Which one is for you?
Samsung Galaxy S20 5G, if you care about…
- RAM Capacity
- 12 GB
- against 8 GB
- Display Pixel Density
- 563 ppi
- against 421 ppi
- Weight
- 163 g
- against 169 g
- Expandable Storage
- Yes
- against No
Samsung Galaxy S21 5G, if you care about…
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Peak Display Brightness
- 1,300 nits
- against 1,200 nits
- SIM Configurations
- Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby
- against Nano-SIM + eSIM, Dual Nano-SIM, Dual SIM Dual Standby
- OS Version
- 11
- against 10
Specification comparison
Performance
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Processor Model | Samsung Exynos 990 | Samsung Exynos 2100 |
| Processor Process Size | 7 nm | 5 nm Best value |
| Graphics GPU | ARM Mali-G77 MP11 | Mali-G78 MP14 |
| Storage Type | UFS 3.0 | UFS 3.1 |
| Maximum CPU Clock | 2.73 GHz | 2.91 GHz Best value |
| Maximum Storage Capacity | 128 GB | 256 GB Best value |
| AnTuTu Score | 623,000 | 899,100 |
| Geekbench 6 Single-Core | 840 | — |
| Geekbench 6 Multi-Core | 2,670 | — |
| CPU Description | Octa-core CPU with 2x Mongoose M5 at 2.73 GHz, 2x Cortex-A76 at 2.50 GHz, and 4x Cortex-A55 at 2.0 GHz. | Octa-core CPU with Cortex-X1, Cortex-A78, and Cortex-A55 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 12 GB Best value | 8 GB |
| RAM Type | LPDDR5 | LPDDR5 |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | v9 | v11 |
Design
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Body Colors | Grey, Blue, Pink, White, Red | Grey, White, Purple, Pink |
| Body Thickness | 7.9 mm | 7.9 mm |
| Body Width | 69.1 mm | 71.2 mm |
| Body Height | 151.7 mm | 151.7 mm |
| Weight | 163 g Best value | 169 g |
| Usable Surface | 89.5 % Best value | 87.2 % |
| Body Materials | Glass, Aluminium Alloy | Glass, Plastic, Aluminium Alloy |
| Resistance Features | IP68 | IP68 |
| Waterproof Depth | 1.5 m | 1.5 m |
Battery
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,000 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | 25 W | 25 W |
| Battery Features | Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging |
| Wireless charging power | 15 W | 15 W |
| Reverse wireless charging power | 4.5 W | — |
Display
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Peak Display Brightness | 1,200 nits | 1,300 nits Best value |
| Display Diagonal | 6.2″ | 6.2″ |
| Display Horizontal Resolution | 1,440 px Best value | 1,080 px |
| Display Vertical Resolution | 3,200 px Best value | 2,400 px |
| Display Pixel Density | 563 ppi Best value | 421 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Display Contrast Ratio | 2,000,000 :1 | — |
| Display Features | Gorilla Glass 6, HDR10+, Always-On Display, Hole-Punch Notch, Dual-Edge Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, DCI-P3, 120Hz | Gorilla Glass Victus, HDR10+, Hole-Punch Notch, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless |
Sensors
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Hall Sensor, Light Sensor, RGB Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Hall Sensor, Light Sensor |
Software
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
| OS Update Support | 2 years | 2 years |
| Google Services | Yes | Yes |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| SIM Configurations | Nano-SIM + eSIM, Dual Nano-SIM, Dual SIM Dual Standby | Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B850, 3G UMTS B900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28a, 5G NR n28b, 5G NR n40, 5G NR n77, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B14, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B30, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B46, 4G LTE B48, 4G LTE B66, 4G LTE B71, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n71, 5G NR n77, 5G NR n78, 5G NR n258, 5G NR n260, 5G NR n261 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE, 5G | GSM, CDMA, HSPA, EVDO, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) | Wi-Fi 802.11a/b/g/n/ac/6 |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | Samsung DeX, ANT+, NFC, FM Radio, USB Charging, USB Mass Storage, USB Host 3.2, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE | Samsung DeX, NFC, FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Host 3.1, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, ANT+ |
| USB Version | USB 3.2 | USB 3.2 |
| SAR American Head | 1.07 W/kg | 0.74 W/kg Best value |
| SAR American Body | 1.03 W/kg Best value | 1.08 W/kg |
| SAR (EU) head | 0.38 W/kg Best value | 0.46 W/kg |
| SAR (EU) body | 1.52 W/kg | 1.51 W/kg Best value |
| Max. download speed | 2,000 Mbps | — |
| Max. upload speed | 318 Mbps | — |
Audio
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | A2DP, LE, Stereo Speakers, Dolby Atmos, Hi-Res Audio | Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, A2DP, LE |
Technical
| Specification | Galaxy S20 5G | Galaxy S21 5G |
|---|---|---|
| Model numbers | SM-G981, SM-G981F, SM-G981F/DS, SM-G981B/DS, SM-G981U, SM-G981U1, SM-G981N, SM-G981B, SM-G9810, SM-G981W, SC-51A, SCG01 | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 |
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