Samsung Galaxy A70 vs Samsung Galaxy A31

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$315 VIEW ON AMAZON
$250 VIEW ON AMAZON

Display

Size

6.7 inches
6.4 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
393 PPI
2400 x 1080 pixels, 20:9 ratio,
411 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

85.97 %
84.88 %

Features

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

Hardware & Performance

System chip

Qualcomm Snapdragon 675 SM6150
MediaTek Helio P65 MT6768

Processor

Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm
Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU

Adreno 612
Mali-G52 MC2

RAM

6GB LPDDR4
4GB LPDDR4

Internal storage

128GB
64GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

Android (10, 9.0 Pie), Samsung One UI
Android (10), Samsung One UI

Battery

Capacity

4500 mAh
5000 mAh

Type

Not user replaceable
Not user replaceable

Charging

Samsung Adaptive Fast Charging
Fast charging

Camera

Rear

Triple camera
Quad camera

Main camera

 
48 MP (PDAF)

PDAF
 

Specifications

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm
Aperture size: F2.0; Pixel size: 0.8 μm

Second camera

8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2

Third camera

5 MP (Depth information)
5 MP (Macro)

Specifications

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4

Fourth camera

 
5 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

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

Features

Video calling, Video sharing
 

Front

32 MP
20 MP

Design

Dimensions

6.47 x 3.02 x 0.31 inches (164.3 x 76.7 x 7.9 mm)
6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)

Weight

6.46 oz (183 g)
the average is 6.4 oz (184 g)
6.53 oz (185 g)
the average is 6.4 oz (184 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

2D Face unlock, In-screen fingerprint
In-screen fingerprint

Colors

Black, Pink, Blue, White
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Cellular

LTE (FDD)

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
 

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
 

UMTS

850, 900, 1900, 2100 MHz
 

Data Speed

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
 

Features

Album art cover, Background playback
 

Connectivity & Features

Bluetooth

5.0
Yes

Wi-Fi

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

USB

Type-C (reversible), USB 2.0
Type-C (reversible)

Features

Charging, Mass storage device
Charging

Sensors

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

Other

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

Shopping information

In The Box

25W charger
 
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