Apple iPad Air vs Samsung Galaxy A51

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Display

Size

9.7 inches
6.5 inches

Resolution

1536 x 2048 pixels,
264 PPI
2400 x 1080 pixels, 20:9 ratio,
405 PPI

Technology

IPS LCD
Super AMOLED

Screen-to-body

71.65 %
87.37 %

Features

Oleophobic coating, Ambient light sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip

Apple A7
Samsung Exynos 9611

Processor

Dual-core, 1400 MHz, Cyclone, 64-bit
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

PowerVR G6430
Mali-G72 MP3

RAM

1GB LPDDR3
4GB LPDDR4

Internal storage

128GB
128GB, available to use: 105.9 GB

Storage expansion

 
microSDXC up to 512 GB

OS

iOS (12.x, 11.x, 10.x, 9.x, 8.x, 7.x)
Android (10), Samsung One UI

Battery

Capacity

8820 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results

 

Charging

 
Fast charging

Camera

Rear

Single camera
Quad camera

Main camera

5 MP (Autofocus, BSI sensor)
48 MP (PDAF)

Specifications

Aperture size: F2.4; Focal length: 33 mm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

 
12 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera

 
5 MP (Macro)

Specifications

 
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera

 
5 MP (Depth information)

Specifications

 
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features

Time-lapse video, EIS, Video calling
Hyperlapse, EIS

Front

1.2 MP
32 MP (HDR)

Design

Dimensions

9.45 x 6.67 x 0.30 inches (240 x 169.5 x 7.5 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight

16.86 oz (478.0 g)
the average is 18 oz (514 g)
6.07 oz (172.0 g)
the average is 6.2 oz (176 g)

Materials

Back: Aluminum
Back: Plastic; Frame: Plastic

Biometrics

 
2D Face unlock, In-screen fingerprint

Colors

Black, Gray, Silver, White
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD)

 
Bands 38(2600), 39(1900+), 41(2600+)

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE, HSPA, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Multiple speakers
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Dolby Atmos

Screen mirroring

TV-out
Wireless screen share

Radio

 
FM

Additional microphone(s)

Yes
for Noise cancellation

Connectivity & Features

Bluetooth

4.0
5.0

Wi-Fi

802.11 a, b, g, n, dual-band; Multiple antennas, MIMO, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Lightning
Type-C (reversible), USB 2.0

Features

Mass storage device, Charging
Charging, OTG

Location

A-GPS, Glonass, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

Tethering, Computer sync, OTA sync, AirDrop
NFC, ANT+

Phone features

Notifications

Flight mode, Silent mode
 

Other features

Voice commands, Voice recording
 

Regulatory Approval

FCC approval

 
 

Date approved

Oct 22, 2013
Nov 28, 2019

FCC ID value: BCGA1475 link
FCC ID value: A3LSMA515FN link

Measured SAR

 
 

Head

 
0.89 W/kg

Body

1.19 W/kg
1.18 W/kg

Simultaneous Transmission

1.33 W/kg
1.56 W/kg

Wireless Router

 
1.12 W/kg

Phablet

 
2.76 W/kg

Buyers information

In The Box

Lightning to USB Cable, USB Power Adapter
 

Price

$ 929
$ 400
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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