Samsung Galaxy S21 Ultra vs Google Pixel 8 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
7.0
Google Pixel 8
Samsung Galaxy S21 Ultra Google Pixel 8
Released · Jan 29, 2021
Released · Oct 12, 2023
6.8-inch · 3200x1440px
6.2-inch · 2400x1080px
Quad camera
Dual camera
12GB · 128GB
8GB · 128GB
5000 mAh
4575 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Oct 04, 2023
Prices (MSRP)
$1200 | €1399 $699 | €799

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)
5.93 x 2.79 x 0.35 inches (~0.47 inches with camera bump)
150.5 x 70.8 x 8.9 mm (~11.87 mm with camera bump)
Weight
8.04 oz / 229.0 g 6.60 oz / 187.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
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 Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Obsidian, Hazel, Rose

Display

Size
6.8-inch, 89.33% screen-to-body 6.2-inch, 86.95% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits OLED, 120Hz, HDR, 2000 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2400x1080px, 20:9 ratio, 424 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass Victus
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) 1.8 (Good)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Google Tensor G3
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Nona-core
1x3.0GHz Cortex-X3
4x2.45G​Hz Cortex-A715
4x2.1​5GHz Cortex-A510
GPU
Adreno 660 Immortalis-G715s MC10
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
8GB (LPDDR5X)/128GB (UFS 3.1)
8GB/256GB
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) Android (15, 14)
PhoneArena Performance Test
GeekBench 6 Single
1117 1630
GeekBench 6 Multi
3312 4302
3D Mark High
1963 2417
3D Mark Low
1179 1669

Battery

Type
5000 mAh, Li - Polymer 4575 mAh, Li - Ion
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Fast charging
Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 27.0W
Wireless: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
6h 41min
Browsing
15h 39min
Video
9h 36min
Gaming
9h 6min

Camera

Rear
Quad camera Dual 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
50 MP (OIS, Laser and PDAF)
Sensor name: Samsung GNV
Aperture size: F1.7
Sensor size: 1/1.31"
Pixel size: 1.12 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, OIS, Autofocus)
Sensor name: Sony IMX386 Exmor RS
Aperture size: F2.2
Pixel size: 1.25 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
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
4K UHD (60 fps), 1080p (240 fps)
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
10.5 MP
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
143
Overall
146
Photo
140
Video

Connectivity & Features

Bluetooth
5.1 5.3
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,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, 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, Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
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

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

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n77, n78, n258, 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, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8 1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Date approved: Aug 30, 2023
FCC ID value: A4RGKWS6
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: 1.00 W/kg
Body: 0.99 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.85 W/kg

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
With 256GB internal storage
Memory 256GB
Prices (MSRP) $759
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
International
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n29, n30, n38, n40, n41, n48, n66, n70, n71, n77, n78, SA, NSA, Sub-6
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
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