Side-by-side technical data

Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy S21 Ultra 5G

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

The verdict

Your pick: Samsung Galaxy S21 Ultra 5G, ahead on Connectivity and Battery & charging.

Category
Category Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Design & display 7.7 7.9
Performance & hardware 7.0 6.9
Camera 8.3 8.2
Connectivity 6.4 7.7
Battery & charging 7.7 8.0

Which one is for you?

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

Weight
222 g
against 229 g
Fast Charge Power
45 W
against 25 W
Expandable Storage
Yes
against No

Samsung Galaxy S21 Ultra 5G, if you care about…

Wi-Fi Standards
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E
against Wi-Fi 802.11a/b/g/n/ac/6
Bluetooth Version
Bluetooth 5.2
against Bluetooth 5.0
Peak Display Brightness
1,500 nits
against 1,400 nits
SIM Configurations
Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual Nano-SIM, Dual SIM Dual Standby
against Nano-SIM + eSIM, Dual Nano-SIM

Specification comparison

Performance

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 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 2.84 GHz 2.91 GHz Best value
Maximum Storage Capacity 512 GB 512 GB
AnTuTu Score 514,485 749,000
Geekbench 6 Single-Core — 1,334
Geekbench 6 Multi-Core — 3,339
CPU Description Octa-core CPU with regional configurations including Mongoose M5, Cortex-A76, Cortex-A77 and Cortex-A55 cores. Octa-core processor with Cortex-X1, Cortex-A78, and Cortex-A55 cores.
Processor Type Octa-Core Octa-Core
64-Bit Processor — Yes
RAM Capacity 16 GB 16 GB
RAM Type — LPDDR5
Expandable Storage Yes Best value No
AnTuTu version v8 v10

Design

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Body Colors Grey, Black, White Black, Silver, Titanium, Navy, Brown, Grey
Body Thickness 8.8 mm Best value 8.9 mm
Body Width 76 mm 75.6 mm
Body Height 166.9 mm 165.1 mm
Weight 222 g Best value 229 g
Usable Surface 89.9 % Best value 89.8 %
Body Materials Glass, Aluminium Alloy Glass, Aluminium Alloy
Resistance Features IP68 IP68, Stylus Support
Waterproof Depth 1.5 m 1.5 m

Battery

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Battery Capacity 5,000 mAh 5,000 mAh
Battery Type Li-Ion Li-Ion
Fast Charge Power 45 W Best value 25 W
Battery Features Fast Charging, Wireless Charging, Reverse Wireless Charging Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Rechargeable, Battery Level Indicator
Wireless charging power 15 W 15 W
Reverse wireless charging power — 4.5 W

Display

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Display Aspect Ratio 20:9 20:9
Display Technology Dynamic AMOLED 2X Dynamic AMOLED 2X
Peak Display Brightness 1,400 nits 1,500 nits Best value
Display Diagonal 6.9″ Best value 6.8″
Display Horizontal Resolution 1,440 px 1,440 px
Display Vertical Resolution 3,200 px 3,200 px
Display Pixel Density 511 ppi 515 ppi Best value
Display Refresh Rate 120 Hz 120 Hz
Touch Sampling Rate — 120 Hz
Display Contrast Ratio — 3,000,000 :1
Display Features 120Hz, HDR10+, Gorilla Glass 6 Gorilla Glass Victus, HDR10+, Always-On Display, Hole-Punch Notch, Scratch Resistant, Dual-Edge Display, LTPO, Capacitive Touch, Multi-Touch, Frameless

Sensors

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

Sensor

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Sensor Features Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Light Sensor, Hall Sensor

Software

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Operating System Android 10 Android 11
OS Family Android Android
OS Version 10 11 Best value
OS Update Support — 2 years
Google Services — Yes
Widevine L1 — Yes

Connectivity

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
SIM Configurations Nano-SIM + eSIM, Dual Nano-SIM Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual Nano-SIM, Dual SIM Dual Standby 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 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, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28, 5G NR n40, 5G NR n77, 5G NR n78 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, 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 n260, 5G NR n261
Cellular Technologies GSM, CDMA, HSPA, EVDO, LTE, 5G GSM, CDMA, HSPA, 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 6E Best value
Wi-Fi Features Dual Band, Wi-Fi Direct Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO
Bluetooth Version Bluetooth 5.0 Bluetooth 5.2 Best value
Bluetooth Profiles A2DP, LE A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, ANT+
Navigation Systems GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo Best value
Connectivity Features Samsung DeX, ANT+, NFC, FM Radio, USB Type-C, USB OTG Samsung DeX, UWB, NFC, FM Radio, USB Charging, USB Mass Storage, USB Host 3.1, USB Host, USB OTG, USB Type-C, OTA Sync, Tethering, ANT+
USB Version USB 3.2 USB 3.2
SAR American Head 0.94 W/kg 0.77 W/kg Best value
SAR American Body 0.95 W/kg Best value 1.02 W/kg
SAR (EU) head 0.32 W/kg Best value 0.71 W/kg
SAR (EU) body 1.56 W/kg Best value 1.58 W/kg
Max. download speed — 3,000 Mbps
Max. upload speed — 422 Mbps

Audio

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Microphone Count — 2
Audio Features Stereo Speakers Stereo Speakers, Dolby Atmos, Hi-Res Audio, Noise-Cancellation Microphone, A2DP, LE, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, ANT+

Technical

Specification Galaxy S20 Ultra 5G Galaxy S21 Ultra 5G
Model numbers SM-G988, SM-G988U, SM-G988U1, SM-G9880, SM-G988B/DS, SM-G988N, SM-G988B, SM-G988W, SCG03 SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
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