Samsung Galaxy S20 Ultra vs Samsung Galaxy S21 Ultra

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

Galaxy S20 Ultra compared with Galaxy S21 Ultra
SamsungGalaxy S20 UltraSamsungGalaxy S21 Ultra
Overview
ReleasedMarch 2020January 2021
Display
Screen size6.9″6.8″
Resolution3200 × 14403200 × 1440
Sharpness509 pixels per inch516 pixels per inch (better)
PanelOLEDOLED
Refresh rate120 Hz120 Hz
Display typeQuad HD+ Dynamic AMOLED 2X Infinity-O Display (3,200 × 1,440), HDR10+ certified; 120 Hz supported at up to FHD+ (60 Hz by default); 6.9 inches as a full rectangle, 6.7 inches with rounded cornersEdge QHD+ Dynamic AMOLED 2X Infinity-O Display (3,200 × 1,440), HDR10+ certified; adaptive 120 Hz (10–120 Hz); 6.8 inches as a full rectangle, 6.6 inches with rounded corners
Pixel density511 ppi (Samsung)515 ppi
Brightness detailUp to 1,200 nits peak (Samsung)1,500 nits peak
Screen protectionCorning Gorilla Glass 6 front and back (Corning)Corning Gorilla Glass Victus front and back
Display features–Eye Comfort Shield
Performance
ChipExynos 990Exynos 2100
Memory12 GB – 16 GB12 GB – 16 GB
Storage128 GB, 512 GB128 GB, 256 GB, 512 GB
CPU7 nm, 64-bit octa-core, 2.73 GHz + 2.5 GHz + 2 GHz; 12 GB of LPDDR5 RAM with 128 GB, 16 GB with 512 GB5 nm, 64-bit octa-core, 2.9 GHz + 2.8 GHz + 2.2 GHz; 12 GB of LPDDR5 RAM, or 16 GB with 512 GB
Storage type128 GB (104 GB available) or 512 GB; microSD card slot up to 1 TB (shared with the second SIM)128, 256 or 512 GB; no microSD slot
Cameras
Main camera108 MP108 MP
Ultra wide camera12 MP12 MP
Telephoto camera48 MP10 MP
Optical zoom4×10× (better)
Front camera40 MP40 MP
Main camera108 MP wide-angle, F1.8, 79°, PDAF, OIS; nona-binning to 12 MP108 MP wide-angle, phase detection AF, OIS, F1.8, 0.8 µm, 83°; laser AF sensor
Ultra wide camera12 MP, F2.2, 120°12 MP Dual Pixel AF, F2.2, 1.4 µm, 120°
Telephoto camera48 MP folded (periscope) telephoto, F3.5, 24°, PDAF, OIS; 4x optical zoom (confirmed by Samsung to Android Authority)10 MP Dual Pixel AF, 10x optical, OIS, F4.9, 1.22 µm, 10°
Second telephoto camera–10 MP Dual Pixel AF, 3x optical, OIS, F2.4, 1.22 µm, 35°
Front camera40 MP, PDAF, F2.2, 80°40 MP phase detection AF, F2.2, 0.7 µm, 80°
ZoomHybrid Optic Zoom 10x; Space Zoom (digital) up to 100x3x and 10x optical; 100x Space Zoom
Video recording8K (7,680 × 4,320) at 24 fps; 4K at 60 fps; super slow motion captured at 480 fps in HD and digitally enhanced to 960 fps playback8K at 24 fps; 4K at 60 fps
Camera featuresSingle Take; Night mode; Super Steady video; DepthVision (time-of-flight) camera–
Battery and charging
Battery5,000 mAh5,000 mAh
Video playback (maker's claim)–Up to 22 hours
Wired chargingUp to 45 W (better)Up to 25 W
Wireless chargingYes (wattage not published)Up to 15 W
Battery life detail5,000 mAh typical, 4,855 mAh rated; internet use up to 17 hours (LTE) or 18 hours (Wi-Fi); talk time up to 25 hours (4G)5,000 mAh typical, 4,855 mAh rated; wireless video playback up to 22 hours; internet use up to 18 hours (LTE) or 18 hours (Wi-Fi); talk time up to 41 hours (4G)
Wired charging25 W fast charger included; supports 45 W Super Fast Charging (charger sold separately); compatible with QC2.0 and AFCUSB PD 3.0 (PPS) fast charging, AFC and QC2.0 compatible; 25 W
Wireless chargingFast Wireless Charging 2.0 with chargers of 10 W or more (WPC)Fast Wireless Charging 2.0 (WPC); 15 W
Charges other devicesWireless PowerShareWireless PowerShare
Design
TypeStandardStandard
Weight220 g (better)227 g
Thickness8.8 mm (better)8.9 mm
Height × width166.9 × 76 mm165.1 × 75.6 mm
Water and dust resistanceIP68IP68
Stylus–Yes
MaterialsGorilla Glass 6 front and back with a metal frameMetal frame with Contour Cut camera housing; Deluxe Frosted Haze matte finish
ColoursCosmic Grey, Cosmic BlackPhantom Black, Phantom Silver; Phantom Titanium, Phantom Navy and Phantom Brown on Samsung.com
Water resistance detailIP68, up to 1.5 m for 30 minutesIP68, up to 1.5 m of fresh water for up to 30 minutes; not advised for beach or pool use
BiometricsUltrasonic in-screen fingerprint sensor, face recognitionUltrasonic in-screen fingerprint sensor, face recognition
SensorsUltrasonic fingerprint, accelerometer, barometer, gyro, geomagnetic, Hall, proximity, RGB lightUltrasonic fingerprint, accelerometer, barometer, gyro, geomagnetic, Hall, proximity, ambient light
SpeakersStereo speakers and earphones sound by AKG; Dolby AtmosStereo speakers; UHQ 32-bit and DSD64/128 playback
Software
Operating systemAndroidAndroid
Software at launchAndroid 10Android 11
Connectivity
Mobile network5G Sub6 (NSA, SA, DSS); LTE Cat 20 (up to 2.0 Gbps down, 200 Mbps up), 4×4 MIMO, up to 7CA, LAA5G (NSA, SA), Sub6
SIMHybrid dual SIM (nano-SIM plus nano-SIM or microSD) and eSIMNano-SIM and eSIM
Wi-FiWi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz, HE80, MIMO, 1024-QAMWi-Fi 6E (802.11a/b/g/n/ac/ax), HE160, MIMO, 1024-QAM
BluetoothBluetooth 5.0; ANT+Bluetooth 5.2
Ultra Wideband–Yes
NFCYesYes
USBUSB Type-C; no 3.5 mm headphone jackUSB Type-C, USB 3.2 Gen 1; DisplayPort output up to 4K at 60 fps
PositioningGPS, Galileo, Glonass, BeiDouGPS, Galileo, Glonass, BeiDou

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