Oppo A31 (2020) vs. Samsung Galaxy M21

Oppo A31 (2020)
  • 6.5" (1600x720) IPS LCD
  • 4GB
    MT6765V/CB) SoC     128GB Storage
  • 13-MP, f/1.8 1 Rear Camera
  • 4230 mAh
Samsung Galaxy M21
  • 6.4" (2340x1080) Super AMOLED
  • 4GB/6GB
    Samsung Exynos 7 Octa 9611 SoC     64GB/128GB Storage
  • 48-MP, f/2 1 Rear Camera
  • 6000 mAh

Specifications Highlights
Product NameA31 (2020)Galaxy M21
ProductA31 (2020) (Launched 2020-02-13)Galaxy M21 (Launched 2020-03-18)
Display6.5" 1600x720 IPS LCD 6.4" 2340x1080 Super AMOLED
Rear Camera(s)
  • 13-MP f/1.8 (Primary)
  • 48-MP f/2 (Primary)
Selfie Camera(s)
  • 8-MP f/2
  • f/2
Computing
  • MT6765V/CB) SoC
  • 4GB RAM
  • 128GB Storage
  • MicroSDXC
  • Samsung Exynos 7 Octa 9611 SoC
  • 4GB/6GB RAM
  • 64GB/128GB Storage
  • MicroSDXC
Battery4230 mAh6000 mAh
DesignIP Rating, 180g (6.3oz), 75.5x163.9x8.3 mm (2.97 x 6.45 x 0.33 inches)IP Rating, 188g (6.6oz), 75.1x159x8.9 mm (2.96 x 6.26 x 0.35 inches)
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Display
Product NameA31 (2020)Galaxy M21
TypeIPS LCDSuper AMOLED
Diagonal (inches)6.5"6.4"
Display/Body Ratio82.4%84.2%
Resolution1600x7202340x1080
Sharpness (PPI)270 PPI403 PPI
Brightness (specs)480 NITs420 NITs
Display Glass TypeGorilla Glass 3
Features
  • Multitouch
  • Glossy
  • Multitouch
  • Glossy
  • 2.5D
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameA31 (2020)Galaxy M21
Megapixel13-MP48-MP
Aperturef/1.8f/2
Sensor SizeVery smallMedium
Hardware Features
  • LED Flash
  • LED Flash
Battery
Product NameA31 (2020)Galaxy M21
Battery TypeLi-PolyLi-Ion
Battery Capacity (mAh)4230 mAh6000 mAh
Battery Features
  • Non-Removable
  • Fast Charge
  • Non-Removable
Computing
Product NameA31 (2020)Galaxy M21
Processor BrandMediaTek
Processor NameMT6765V/CB)Samsung Exynos 7 Octa 9611
Processor ModelMT6765V/CB)
Processor # Cores88
Main Processor Frequency (GHz)2.3 GHz2.3 GHz
RAM Options4GB4GB/6GB
Internal Storage Options128GB64GB/128GB
Memory Card TypeMicroSDXCMicroSDXC
Operating System + VersionAndroid 9.0Android 10
Communications
Product NameA31 (2020)Galaxy M21
LTE Bands1, 34, 38, 39, 40, 41, 5, 7, 81, 20, 3, 38, 40, 41, 5, 7, 8
Modem Features
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • TD-SCDMA
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
WiFi Speed
  • a
  • b
  • g
  • n
  • ac
  • b
  • g
  • n
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.0Bluetooth 5.0
Bluetooth Features
  • A2DP
  • BT LE
  • A2DP
  • BT LE
Connector TypeMicro USBUSB Type C
Connector Features
  • USB 2.0
  • USB OTG
  • USB 2.0
  • USB OTG
SAR EU Head0.492 W/Kg
SAR EU Body1.13 W/Kg
Sim Card 0
Product NameA31 (2020)Galaxy M21
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameA31 (2020)Galaxy M21
NameSIM0SIM1
SIM TypeNano SIM/MicroSDNano SIM
Multimedia
Product NameA31 (2020)Galaxy M21
Audio Features
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
  • Loudspeaker
  • FM Radio
  • FM Radio RDS
  • 3.5mm Port
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
Video Formats
  • DIVX
  • H.263
  • H.264
  • MPEG-4
  • MP4
  • XVID
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • VP8
  • VP9
  • WMV7
  • WMV8
  • XVID
Sensors
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou

Oppo A31 (2020) vs. Samsung Galaxy M21 Specs & Speed Benchmarks

Battery Capacity (mAh)

Higher is better