Side-by-side technical data

Samsung Galaxy S20 5G UW vs Samsung Galaxy S21

Comparison between Samsung Galaxy S20 5G UW and Samsung Galaxy S21: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.

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Samsung

Galaxy S20 5G UW

Samsung

Galaxy S21

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The verdict

Neither runs away with it: each wins something.

Category
Category	Galaxy S20 5G UW	Galaxy S21
Design & display	8.2	8.3
Performance & hardware	6.8	7.1
Camera	6.7	7.2
Connectivity	5.8	5.5
Battery & charging	5.8	5.8

Which one is for you?

Samsung Galaxy S20 5G UW, if you care about…

Display Pixel Density: 566 ppi; against 421 ppi
Display Horizontal Resolution: 1,440 px; against 1,080 px
Display Vertical Resolution: 3,200 px; against 2,400 px

Samsung Galaxy S21, if you care about…

Storage Type: UFS 4.x; against UFS 3.0
Maximum Storage Capacity: 256 GB; against 128 GB
Peak Display Brightness: 1,300 nits; against 1,200 nits
SIM Configurations: Single Nano-SIM, Dual Nano-SIM, Nano-SIM + eSIM; against Single Nano-SIM

Specification comparison

Show differences only

Performance

Specification	Galaxy S20 5G UW	Galaxy S21
Processor Model	Qualcomm Snapdragon 865	Samsung Exynos 2100
Processor Process Size	7 nm	5 nm Best value
Graphics GPU	Qualcomm Adreno 650	Mali-G78 MP14
Storage Type	UFS 3.0	UFS 4.x Best value
Maximum CPU Clock	2.84 GHz	2.9 GHz Best value
Maximum Storage Capacity	128 GB	256 GB Best value
AnTuTu Score	—	677,991
Geekbench 6 Single-Core	—	1,334
Geekbench 6 Multi-Core	—	3,339
CPU Description	Octa-core CPU with Cortex-A77 and Cortex-A55 cores.	Octa-core CPU with one Cortex-X1, three Cortex-A78, and four Cortex-A55 cores.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	8 GB	8 GB
RAM Type	—	LPDDR5

Design

Specification	Galaxy S20 5G UW	Galaxy S21
Body Colors	Pink, Grey, White	Grey, White, Purple, Pink
Body Thickness	8.1 mm	7.9 mm Best value
Body Width	69.1 mm	71.2 mm
Body Height	151.7 mm	151.7 mm
Weight	168.1 g Best value	169 g
Usable Surface	88.5 % 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 UW	Galaxy S21
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	Fast Charging, Wireless Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator
Wireless charging power	15 W	15 W
Reverse wireless charging power	—	4.5 W

Display

Specification	Galaxy S20 5G UW	Galaxy S21
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	566 ppi Best value	421 ppi
Display Refresh Rate	120 Hz	120 Hz
Touch Sampling Rate	—	240 Hz
Display Contrast Ratio	—	3,000,000 :1
Display Features	120Hz, HDR10+, Gorilla Glass 6	Gorilla Glass Victus, AMOLED, HDR10, HDR10+, Always-On Display, Touchscreen

Sensors

Specification	Galaxy S20 5G UW	Galaxy S21
Fingerprint Sensor Placement	Under Display	Under Display

Sensor

Specification	Galaxy S20 5G UW	Galaxy S21
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Ultrasonic Proximity Sensor	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer

Software

Specification	Galaxy S20 5G UW	Galaxy S21
Operating System	Android 10	Android 11
OS Family	Android	Android
OS Version	10	11 Best value

Connectivity

Specification	Galaxy S20 5G UW	Galaxy S21
SIM Configurations	Single Nano-SIM	Single Nano-SIM, Dual Nano-SIM, Nano-SIM + eSIM Best value
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B13, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B48, 4G LTE B66, 5G NR n260, 5G NR n261	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 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, LTE B28, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66
Cellular Technologies	GSM, CDMA, HSPA, EVDO, LTE, 5G	GSM, CDMA, HSPA, UMTS, EVDO, LTE, 5G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac/6	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Direct
Bluetooth Version	Bluetooth 5.0	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE	A2DP, LE
Navigation Systems	GPS, GLONASS, BeiDou, Galileo	GPS, GLONASS, BeiDou, Galileo
Connectivity Features	Samsung DeX, ANT+, NFC, FM Radio, USB Type-C, USB OTG	Samsung DeX, NFC, FM Radio, USB Type-C, USB OTG, ANT+
USB Version	USB 3.2	USB 3.2
SAR American Head	0.91 W/kg	—
SAR American Body	1.05 W/kg	—
Max. download speed	—	3,000 Mbps
Max. upload speed	—	422 Mbps

Audio

Specification	Galaxy S20 5G UW	Galaxy S21
Microphone Count	—	3
Audio Features	Stereo Speakers, Hi-Res Audio	Stereo Speakers, A2DP, LE, Hi-Res Audio

Technical

Specification	Galaxy S20 5G UW	Galaxy S21
Model numbers	SM-G981V	SM-G990F, SM-G990F/DS