Samsung Galaxy S21 Ultra vs Samsung Galaxy S20 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

9.1
Samsung Galaxy S21 Ultra
9.1
Samsung Galaxy S20
Samsung Galaxy S21 Ultra Samsung Galaxy S20
Released · Jan 29, 2021
Released · Mar 06, 2020
6.8-inch · 3200x1440px
6.2-inch · 3200x1440px
Quad camera
Triple camera
12GB · 128GB
12GB · 128GB
5000 mAh
4000 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Feb 11, 2020
Prices (MSRP)
$1200 | €1399 $1000

Design

Dimensions
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
5.97 x 2.72 x 0.31 inches
151.7 x 69.1 x 7.9 mm
Weight
8.04 oz / 229.0 g 5.78 oz / 163.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Glass (Corning Gorilla Glass 6)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint 2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Cloud blue, Cosmic grey, Cloud pink, Cosmic white

Display

Size
6.8-inch, 89.33% screen-to-body 6.2-inch, 88.59% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits Dynamic AMOLED, 120Hz, HDR
Resolution
3200x1440px, 20:9 ratio, 516 PPI 3200x1440px, 20:9 ratio, 566 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 6
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) 1.5 (Good)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Snapdragon 865 SM8250 (7 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
1x2.84GHz Kryo 585
3x2.42GHz Kryo 585
4x1.80GHz Kryo 585
GPU
Adreno 660 Adreno 650
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
12GB (LPDDR5)/128GB (UFS 3.0)
8GB/128GB
Storage expansion
not expandable microSDXC up to 1000 GB
OS
Android (14, 13, 12, 11) Android (13, 12, 11, 10)
PhoneArena Performance Test
GeekBench 6 Single
1117 Untested
GeekBench 6 Multi
3312 Untested
3D Mark High
1963 Untested
3D Mark Low
1179 Untested

Battery

Type
5000 mAh, Li - Polymer 4000 mAh, Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
5h 20min
Browsing
7h 45min
Video
10h 20min
Gaming
7h 43min

Camera

Rear
Quad camera Triple camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
12 MP (OIS, PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/1.7"
Pixel size: 1.8 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
12 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.4 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
64 MP (Telephoto, OIS, PDAF)
Aperture size: F2.0
Sensor size: 1/1.7"
Pixel size: 0.8 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, EIS
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.1 5.0
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC, ANT+

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Date approved: Jan 24, 2020
FCC ID value: A3LSMG981U
Measured SAR
Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg
Head: 1.07 W/kg
Body: 1.03 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.25 W/kg
Phablet: 3.99 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
Global variant
System chip Samsung Exynos 990 (7 nm)
Processor Octa-core
2700 MHz
2x2.73GHz Exynos M5
2x2.5GHz Cortex-A75
4x2.0G​Hz Cortex-A55
GPU Mali G77 MP11
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
non 5G variant
Memory 8GB
FCC approval Date approved: Jan 28, 2020
FCC ID value: A3LSMG980F
Measured SAR Head: 0.37 W/kg
Body: 1.01 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 2.67 W/kg
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
GPU Mali G78 MP14
Weight 8.01 oz / 227.0 g
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
for Verizon
Storage expansion not expandable
5G Bands n260, n261, mmWave
4G (FDD) Bands 2, 3, 4, 5, 7, 8, 13, 18, 19, 20, 26, 28, 66
4G (TDD) Bands 34, 39, 46, 48
Hearing aid compatible M4/T3
FCC OKs Cingular\'s purchase of AT&T Wireless