android.gs
Compare
Galaxy S20 Ultra 5G vs Galaxy S21 Ultra 5G

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

What Galaxy S20 Ultra 5G does better (5) and where Galaxy S21 Ultra 5G wins (9) — every spec side by side.

Samsung · 2020Galaxy S20 Ultra 5G

9.1Score

5 advantages≈ $250

Higher score

Samsung · 2021Galaxy S21 Ultra 5G

9.0Score

9 advantages≈ $260

9.2Display9.1

6.3Performance6.7

9.8Camera9.8

7.1Battery6.2

9.5Features9.4

Dimensions

Size comparison

Galaxy S20 Ultra 5GGalaxy S21 Ultra 5G

	Galaxy S20 Ultra 5G	Galaxy S21 Ultra 5G	Difference
Height	166.9 mm	165.1 mm	+1.8 mm
Width	76 mm	75.6 mm	+0.4 mm
Thickness	8.8 mm	8.9 mm	−0.1 mm
Weight	222 g	227 g	−5 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy S20 Ultra 5G better than Galaxy S21 Ultra 5G?

Geekbench 6 (multi-core)12,191 vs 3,5183.5×
Wired charging45 W vs 25 W+80%
Memory card slotYes · Galaxy S21 Ultra 5G: No
Weight222 g vs 227 g+2%
Loudspeaker loudness-23.2 LUFS vs -25.5 LUFS+-9%

Why is Galaxy S21 Ultra 5G better than Galaxy S20 Ultra 5G?

AnTuTu score415,976 vs 657,150+58%
Optical zoom4× vs 10×2.5×
Measured brightness894 nits vs 1,023 nits+14%
Peak brightness1,400 nits vs 1,500 nits+7%
CPU frequency2.84 GHz vs 2.9 GHz+2%
Process7 nm vs 5 nm+40%
Rear cameras3 vs 4+33%
Wi-Fi standardWi-Fi 6 vs Wi-Fi 6E+8%
Bluetooth5 vs 5.2+4%

Specifications

Side by side

Only differences	Samsung Galaxy S20 Ultra 5G≈ $2509.1	Samsung Galaxy S21 Ultra 5G≈ $2609.0
Design
Weight	222 g	227 g
Thickness	8.8 mm	8.9 mm
Height	166.9 mm	165.1 mm
Width	76 mm	75.6 mm
Frame	Aluminium	Aluminium
Back	Glass	Glass
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Glass protection	Corning Gorilla Glass 6	Corning Gorilla Glass Victus
Colours	Cosmic Grey, Cosmic Black, Cloud White	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Stylus	—	Yes
Display
Screen size	6.9″	6.8″
Panel	Dynamic AMOLED 2X	Dynamic AMOLED 2X
OLED panel	Yes	Yes
Resolution (width)	1,440 px	1,440 px
Resolution (height)	3,200 px	3,200 px
Pixel density	511 ppi	515 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	1,400 nits	1,500 nits
Measured brightness	894 nits	1,023 nits
Screen-to-body ratio	89.9%	89.8%
HDR	Yes	Yes
Performance
Chipset	Exynos 990 - Global	Exynos 2100 - International
Chip maker	Qualcomm	Qualcomm
Process	7 nm	5 nm
CPU cores	8	8
CPU frequency	2.84 GHz	2.9 GHz
GPU	Mali-G77 MP11 - Global Adreno 650 - USA	Mali-G78 MP14 - International Adreno 660 - USA/China
AnTuTu score	415,976	657,150
Geekbench 6 (multi-core)	12,191	3,518
Memory
RAM	16 GB	16 GB
Storage (max)	512 GB	512 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 3.0	UFS 3.1
Memory card slot	Yes	No
Camera
Main camera	108 MP	108 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	1/1.33"	1/1.33"
Rear cameras	3	4
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	Yes	Yes
Optical zoom	4×	10×
Max video	8K	8K
4K video frame rate	60 fps	60 fps
Selfie camera	40 MP	40 MP
4K selfie video	Yes	Yes
Battery
Battery capacity	5,000 mAh	5,000 mAh
Battery type	Li-Ion	Li-Ion
Wired charging	45 W	25 W
Charged in 30 min	—	54%
Wireless charging	Yes	Yes
Wireless charging power	15 W	15 W
Reverse wireless charging	Yes	Yes
Connectivity
5G	Yes	Yes
eSIM	Yes	Yes
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6E
Bluetooth	5	5.2
NFC	Yes	Yes
USB	USB Type-C 3.2	USB Type-C 3.2
USB version	3.2	3.2
Ultra Wideband	—	Yes
Satellite navigation	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-23.2 LUFS	-25.5 LUFS
Fingerprint sensor	Under display, ultrasonic	Under display, ultrasonic
Barometer	Yes	Yes
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
SAR (head)	0.32 W/kg	0.71 W/kg
Software
OS at launch	Android 10	Android 11
Platform	Android	Android
Interface	One UI 5.1	One UI 7
Major OS updates promised	—	4