Samsung Galaxy S21 vs Samsung Galaxy Note 20 Ultra Specs Comparison

Availability

Officially announced
Jan 14, 2021	Aug 05, 2020
Prices (MSRP)
$800	12GB/128GB - $1300 12GB/256GB - €1266 12GB/512GB - $1450

Design

Dimensions
5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm	6.49 x 3.04 x 0.32 inches 164.8 x 77.2 x 8.1 mm
Weight
6.03 oz / 171.0 g	7.34 oz / 208.0 g
Materials
Back: Plastic Frame: Aluminum	Back: Glass (Corning Gorilla Glass Victus) Frame: Stainless steel
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Features
	Stylus
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White	Mystic black, Mystic bronze, Mystic white

Display

Size
6.2-inch, 86.06% screen-to-body	6.9-inch, 91.63% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits	Dynamic AMOLED, 120Hz, HDR
Resolution
2400x1080px, 20:9 ratio, 424 PPI	3088x1440px, 19.3:9 ratio, 496 PPI
Protection
Corning Gorilla Glass Victus	Corning Gorilla Glass Victus

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1.2 (Good)	1.6 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 (5 nm)	Snapdragon 865+ SM8250-AB (7 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Octa-core 1x3.1GHz Kryo 585 3x2.42GHz Kryo 585 4x1.80GHz Kryo 585
GPU
Adreno 660	Adreno 650
Memory
8GB (LPDDR5)/128GB (UFS 3.0) 8GB/256GB	12GB (LPDDR5)/128GB (UFS 3.0) 12GB/256GB 12GB/512GB
Storage expansion
not expandable	microSDXC up to 1000 GB
OS
Android (13, 12, 11)	Android (13, 12, 11, 10)

PhoneArena Performance Test

GeekBench 6 Single
Untested	1208
GeekBench 6 Multi
Untested	3047
3D Mark High
Untested	1510
3D Mark Low
Untested	1097

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh, Li - Polymer	4500 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

PhoneArena Battery Tests

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Battery Life Estimate

4h 37min

Browsing

9h 33min

Video

7h 0min

Gaming

7h 17min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm	108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide, Autofocus) 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 Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	12 MP (Telephoto, OIS, PDAF) Optical zoom: 5.0x Aperture size: F3.0 Focal Length: 120 mm Pixel size: 1.0 μm
Flash
LED	LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Time-lapse video, Hyperlapse, Object tracking, EIS
Front
10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	10 MP (PDAF, HDR) Video capture: 4K UHD

Connectivity & Features

Bluetooth
5.0	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	Wi-Fi 6 MIMO, Wi-Fi Direct, Hotspot 802.11 ax
USB
Type-C, USB 3.2	Type-C, USB 3.2
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	n2, n5, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
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, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	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
HD Voice
	Yes

Regulatory Approval

FCC approval
Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U	Date approved: Jul 06, 2020 FCC ID value: A3LSMN986U
Measured SAR
Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg	Head: 0.78 W/kg Body: 1.04 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.18 W/kg Phablet: 3.92 W/kg

Alternative variants

with 256GB storage

Memory	256GB

for Europe

System chip	Samsung Exynos 990 (7 nm)
Processor	Octa-core 2x2.73GHz Exynos M5 2x2.5GHz Cortex-A76 4x2.0 GHz Cortex-A55
GPU	Mali G77 MP11
Memory	256GB
Prices (MSRP)	€1266

for Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x2.91GHz Cortex-X1 3x2.81G​Hz Cortex-A78 4x2.2G​Hz Cortex-A55
GPU	Mali G78 MP14
Weight	5.96 oz / 169.0 g
5G Bands	SA, NSA, Sub-6
FCC approval	Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B
Measured SAR	Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg

with 512GB storage

Memory	512GB
Prices (MSRP)	$1450

for Verizon

5G Bands	n260, n261, mmWave
4G (FDD) Bands	2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 66
4G (TDD) Bands	38, 39, 40, 41, 46

Discover more

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