Samsung Galaxy S10 vs Samsung Galaxy S21 Ultra 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.

9.0
Samsung Galaxy S10
9.1
Samsung Galaxy S21 Ultra
Samsung Galaxy S10 Samsung Galaxy S21 Ultra
Released · Mar 08, 2019
Released · Jan 29, 2021
6.1-inch · 3040x1440px
6.8-inch · 3200x1440px
Triple camera
Quad camera
8GB · 128GB
12GB · 128GB
3400 mAh
5000 mAh
Check prices Check prices

Availability

Officially announced
Feb 20, 2019 Jan 14, 2021
Prices (MSRP)
$900 $1200 | €1399

Design

Dimensions
5.90 x 2.77 x 0.31 inches
149.9 x 70.4 x 7.8 mm
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)
Weight
5.54 oz (157.0 g) 8.04 oz (229.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Back: Glass (Corning Gorilla Glass Victus)
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
Left: Volume control, Other; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism blue, Prism black, Prism white, Prism green, Flamingo pink Phantom black, Silver

Display

Size
6.1-inch, 88.66% screen-to-body 6.8-inch, 89.33% screen-to-body
Type
Dynamic AMOLED, HDR Dynamic AMOLED, 120Hz, HDR, 1500 nits
Resolution
3040x1440px, 19:9 ratio, 550 PPI 3200x1440px, 20:9 ratio, 516 PPI
Protection
Corning Gorilla Glass 6 Corning Gorilla Glass Victus

Hardware

System chip
Snapdragon 855 (7 nm) Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core
2840 MHz
Kryo 485
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
GPU
Adreno 640 Adreno 660
Memory
8GB (LPDDR4)/128GB
8GB/512GB
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
Storage expansion
microSDXC up to 512 GB not expandable
OS
Android (11, 10, 9.0 Pie) Android (14, 13, 12, 11)

Battery

Type
3400 mAh, Li - Ion 5000 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, USB Power Delivery, 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 15min
Browsing
8h 9min
Video
7h 18min
Gaming
5h 35min
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min

Camera

Rear
Triple camera Quad camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.5/F2.4
Focal length: 26 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
Second camera
16 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/3.1"
Pixel size: 1 μm
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
12 MP (Telephoto, OIS, PDAF)
Optical zoom: 2.0x
Aperture size: F2.4
Focal Length: 52 mm
Sensor size: 1/3.6"
Pixel size: 1 μm
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
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
4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Front
10 MP (Autofocus, HDR)
Video capture: 4K UHD
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
5.0 5.1
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 3.1 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T4 M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC, ANT+

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX-HD 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46 38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Feb 01, 2019
FCC ID value: A3LSMG973U
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Measured SAR
Head: 0.39 W/kg
Body: 1.37 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.35 W/kg
Phablet: 3.99 W/kg
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

Alternative variants

International version
System chip Samsung Exynos 9 9820 (8 nm)
Processor Octa-core
2700 MHz
Exynos M4, ARM Cortex-A75 and ARM Cortex-A55
GPU Mali-G76 MP12
Dual SIM Yes
FCC approval Date approved: Feb 15, 2019
FCC ID value: A3LSMG973F
Measured SAR Head: 0.35 W/kg
Body: 0.79 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.07 W/kg
Phablet: 2.96 W/kg
with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
with 512 GB storage
Memory 512GB
Prices (MSRP) $1150
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
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
FCC OKs Cingular\'s purchase of AT&T Wireless