Samsung Galaxy S21 vs Samsung Galaxy Tab A7 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.

8.5
Samsung Galaxy S21
Samsung Galaxy S21 Samsung Galaxy Tab A7
Released · Jan 29, 2021
Released · Oct 08, 2020
6.2-inch · 2400x1080px
10.4-inch · 2000x1200px
Triple camera
Single camera
8GB · 128GB
3GB · 32GB
4000 mAh
7040 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Oct 08, 2020
Prices (MSRP)
$800 $230 | €223

Design

Dimensions
5.97 x 2.80 x 0.31 inches
151.7 x 71.2 x 7.9 mm
9.75 x 6.20 x 0.28 inches
247.6 x 157.4 x 7 mm
Weight
6.03 oz / 171.0 g 16.79 oz / 476.0 g
Materials
Back: Plastic
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White Dark gray, Silver, Gold

Display

Size
6.2-inch, 86.06% screen-to-body 10.4-inch, 78.94% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits IPS LCD
Resolution
2400x1080px, 20:9 ratio, 424 PPI 2000x1200px, 5:3 ratio, 224 PPI
Protection
Corning Gorilla Glass Victus
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1.2 (Good) Untested

Hardware

System chip
Snapdragon 888 (5 nm) Snapdragon 662 SM6115 (11 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Octa-core
4x2.0GHz Kryo 260
4x1.8GHz Kryo 260
GPU
Adreno 660 Adreno 610
Memory
8GB (LPDDR5)/128GB (UFS 3.0)
8GB/256GB
3GB/32GB
3GB/64GB
Storage expansion
not expandable microSDXC up to 1024 GB
OS
Android (13, 12, 11) Android (12, 11, 10)

Battery

Type
4000 mAh, Li - Polymer 7040 mAh
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging
Qi and Powermat wireless charging, Reverse wireless charging
Fast 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
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Triple camera Single 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
8 MP (Autofocus)
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
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
Flash
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
1080p (30 fps)
Front
10 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
5 MP
Video capture: 1080p

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
a,b,g,n,ac,dual-band
Wi-Fi Direct
802.11 a, b, g, n, ac
USB
Type-C, USB 3.2 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou
Other
NFC, ANT+ Tethering, Computer sync, OTA sync

Multimedia

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

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, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type
Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 08, 2020
FCC ID value: A3LSMG991U
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

Alternative variants

with 256GB storage
Memory 256GB
with 64GB storage
Memory 64GB
Prices (MSRP) $280
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 LTE support
Weight 16.83 oz / 477.0 g
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66
4G (TDD) Bands 38, 40
3G Bands 5, 8, 4, 2, 1
Data Speed LTE-A Cat 13/5 (400/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type Nano SIM
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