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Samsung Galaxy A31 vs realme 7 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.

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Specs Size
Differences only
Samsung Galaxy A31
realme 7
Samsung Galaxy A31 realme 7
Released · Apr 27, 2020
Released · Oct 21, 2020
6.4-inch · 2400x1080px
6.5-inch · 2400x1080px
Quad camera
Quad camera
4GB · 64GB
4GB · 64GB
5000 mAh
5000 mAh
Check Accessories Check Accessories

Availability

Officially announced
Mar 24, 2020 Oct 07, 2020
Prices (MSRP)
€300 4GB/64GB - €179
6GB/64GB - €199

Design

Dimensions
6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm 		6.39 x 2.97 x 0.37 inches
162.3 x 75.4 x 9.4 mm
Weight
6.53 oz / 185.0 g 6.93 oz / 196.5 g
Materials
Back: Plastic Back: Plastic
Frame: Plastic
Biometrics
Optical in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white Mist blue, Mist white

Display

Size
6.4-inch, 84.88% screen-to-body 6.5-inch, 83.31% screen-to-body
Type
Super AMOLED, 60Hz IPS LCD, 90Hz
Resolution
2400x1080px, 20:9 ratio, 411 PPI 2400x1080px, 20:9 ratio, 405 PPI
Protection
Corning Gorilla Glass

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm) MediaTek Helio G95 (12 nm)
Processor
Octa-core
2x2.0GHz Cortex-A75
6x2.0G​Hz Cortex-A55 		Octa-core
Arm Cortex-A76 and Arm Cortex-A55
GPU
Mali-G52 MC2 Mali G76 MC4
Memory
4GB (LPDDR4)/64GB (eMMC 5.1)
6GB/128GB 		4GB (LPDDR4)/64GB (UFS 2.1)
6GB/64GB
8GB/128GB
Storage expansion
microSDXC up to 512 GB microSDXC
OS
Android (10) Android (10)

Battery

Type
5000 mAh, Li - Polymer 5000 mAh, Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 15.0W Wired: 30.0W

Camera

Rear
Quad camera Quad camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm 		48 MP (PDAF)
Aperture size: F1.8
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm 		8 MP (Ultra-wide)
Aperture size: F2.3
Focal Length: 16 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4 		2 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.4 		2 MP (Black and White)
Aperture size: F2.4
Flash
LED LED
Video recording
1080p (30 fps) 4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS
Front
20 MP
Video capture: 1080p (30 fps) 		16 MP (Slow-motion videos)
Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac 		dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Screen mirroring
Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

LTE Bands
1, 2, 3, 4, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 20, 28
TDD Bands
38, 40, 41 38, 40, 41
3G Bands
1, 2, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL 		Date approved: Feb 07, 2021
FCC ID value: 2AUYFRMX2155
Measured SAR
Head: 0.53 W/kg
Body: 0.56 W/kg
Simultaneous Transmission: 1.42 W/kg
Wireless Router: 0.65 W/kg
Phablet: 0.89 W/kg 		Head: 1.20 W/kg
Body: 0.34 W/kg
Simultaneous Transmission: 1.34 W/kg
Wireless Router: 0.93 W/kg