Samsung Galaxy S21 Ultra vs Samsung Galaxy Tab S9 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
8.6
Samsung Galaxy Tab S9
Samsung Galaxy S21 Ultra Samsung Galaxy Tab S9
Released · Jan 29, 2021
Released · Aug 11, 2023
6.8-inch · 3200x1440px
11.0-inch · 2560x1600px
Quad camera
Single camera
12GB · 128GB
8GB · 128GB
5000 mAh
8400 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Jul 26, 2023
Prices (MSRP)
$1200 | €1399 $800

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)
10.01 x 6.53 x 0.23 inches
254.3 x 165.8 x 5.9 mm
Weight
8.04 oz / 229.0 g 17.57 oz / 498.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Aluminum
Frame: Aluminum
Resistance
Water, Dust; IP68 Yes; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Beige, Graphite

Display

Size
6.8-inch, 89.33% screen-to-body 11.0-inch, 83.20% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits Dynamic AMOLED, 120Hz, HDR
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2560x1600px, 16:10 ratio, 274 PPI
Protection
Corning Gorilla Glass Victus Corning Gorilla Glass 5
Features
HDR support, Scratch-resistant glass, Ambient light sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.5 (Good) 1.6 (Good)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
1x3.36GHz Cortex-X3
2x2.8GH​z Cortex-A715
2x2.8​GHz Cortex-A710
3x2.0​GHz Cortex-A510
GPU
Adreno 660 Adreno 740
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
8GB/128GB (UFS)
12GB/256GB
Storage expansion
not expandable microSDXC up to 1024 GB
OS
Android (14, 13, 12, 11) Android (14, 13)
PhoneArena Performance Test
GeekBench 6 Single
1117 2128
GeekBench 6 Multi
3312 5657
3D Mark High
1963 3853
3D Mark Low
1179 3033

Battery

Type
5000 mAh, Li - Polymer 8400 mAh, Li - Polymer
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
Wired: 45.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
Untested
Browsing
8h 6min
Video
6h 25min
Gaming
Untested

Camera

Rear
Quad camera Single 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
13 MP (Autofocus)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/3.4"
Pixel size: 1.0 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
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 (30 fps), 1080p (30 fps)
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
12 MP
Video capture: 4K UHD (30 fps)

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 6E
Wi-Fi Direct
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Ambient light sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, Glonass, Galileo, BeiDou
Other
NFC, ANT+ Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78
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, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 40, 41
3G Bands
1, 2, 4, 5, 8 1, 2, 5, 8
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
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

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
With 12GB RAM and 256GB internal storage
Memory 12GB/256GB
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