Lenovo Tab 7 Essential vs Samsung Galaxy A51 Specs Comparison

Design

Dimensions
7.67 x 4.02 x 0.35 inches 194.8 x 102 x 8.8 mm	6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm
Weight
8.96 oz (254.0 g)	6.07 oz (172.0 g)
Materials
Back: Plastic	Back: Plastic Frame: Plastic
Biometrics
	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
7.0-inch	6.5-inch
Resolution
1024x600px, 170 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
IPS LCD	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
72.29 %	87.37 %
Colors
16 777 216
Features
Ambient light sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek MT8167D	Samsung Exynos 9611 (10 nm)
Processor
Quad-core 1300 MHz	Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Mali-T760 MP2	Mali-G72 MP3
Memory
1GB/16GB	4GB (LPDDR4)/128GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat)	Android (11, 10)

Battery

Type
3450 mAh, Li - Polymer	4000 mAh, Li - Polymer
Charging
	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
2 MP	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
	LED
Video recording
Yes	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS
Front
2 MP	32 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
4.0	5.0
WLAN
802.11 b,g,n Wi-Fi Direct	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback, Dolby Atmos	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
	Bands 38, 39, 41
3G
	Bands 1, 2, 4, 5, 8
Data Speed
	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
SIM type
	Nano SIM

Phone Features

Notifications
Vibration
Other features
Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
	Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Buyers information

MSRP
$ 80	$ 400

Availability

Officially announced
Nov 19, 2017	Dec 12, 2019

Alternative variants

with 128GB storage

Memory	6GB/128GB

for Verizon

4G (FDD)	Bands 2, 3, 4, 5, 7, 13, 20, 28, 66(AWS-3)
3G	Bands 5, 8, 2, 1

for AT&T

4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 41

for Sprint

4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 41

for Europe

4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66(AWS-3)
4G (TDD)	Bands 38, 40, 41
Dual SIM	Yes

Links

Full specifications
Lenovo Tab 7 Essential Specs	Samsung Galaxy A51 Specs
PhoneArena Review
	Samsung Galaxy A51 Review
User Reviews
	Samsung Galaxy A51 User Reviews