0 Device Added

Samsung Galaxy A31 vs Samsung Galaxy M31 vs Oppo Reno 2Z

Share Now:

Last Updated: Thu, 9 Jul'20

Show Differences onlyCommon Specs only

Samsung Galaxy A31

Samsung Galaxy M31

OPPO Reno2 Z

Show Differences onlyCommon Specs only

Samsung Galaxy A31

Samsung Galaxy M31

OPPO Reno2 Z

Height
6.27 inches
6.29 inches
6.39 inches
Width
2.88 inches
2.96 inches
2.98 inches
Thickness
0.34 inches
0.35 inches
0.34 inches
Weight
185 g
191 g
195 g
Color
Prism Crush Black, Prism Crush Blue, Prism Crush White
Ocean Blue, Space Black, Red
Sky White, Luminous Black
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame

Screen Size
6.4 inches
6.4 inches
6.53 inches
Display Type
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
AMOLED capacitive touchscreen
Display Resolution
1080 x 2400 pixels
1080 x 2340 pixels
1080 x 2340 pixels
Pixel Density
411 ppi
411 ppi
395 ppi
Aspect Ratio
20:09
19.5:9
19.5:9
Screen to Body Ratio
84.90%
84.1%
85.00%
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 5

OS
Android 10, One UI 2.0
Android 10.0 One UI 2.0
Android 9.0 (Pie) ColorOS 6.1
CPU
Octa-core (2x2.0 GHz, 6x1.7 GHz)
Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)
Octa-core (2x2.2 GHz Cortex-A75 6x2.0 GHz Cortex-A55)
GPU
Mali-G72 MP3
PowerVR GM9446
Chipset GP
Exynos 9611 (10nm)
Mediatek MT6779 Helio P90 (12 nm)

RAM/Internal Storage
128GB 6GB RAM
64GB 6GB RAM, 128GB 6GB RAM
256GB 8GB RAM
Expandable Memory
microSDXC (dedicated slot), Up to 512GB Expandable
microSDXC (dedicated slot)
microSD, up to 256 GB (dedicated slot)

Quad Camera
48 MP, f/2.0, 26mm (wide), 1/2.0, 0.8 micron|8 MP, f/2.2, 13mm (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.4, (macro)|5 MP, f/2.4, (depth)
48 MP, f/1.7, 26mm (wide), 1/2.0, 0.8 micron|8 MP, f/2.2, 13mm (ultrawide), 1/4, 1.12 micron|2 MP B/W, f/2.4, 1/5, 1.75 micron|2 MP, f/2.4, 1/5, 1.75 micron, depth sensor
Autofocus
PDAF
PDAF
PDAF
Back Camera Video
1080p30fps
2160p30fps, 1080p30fps, gyro-EIS
2160p30fps, 1080p30fps (gyro-EIS) video rec. only with main camera
Back Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
Dual-LED flash, HDR, panorama
Triple Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.2, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)

Single Camera
20 MP, f/2.2, (wide)
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
Motorized pop-up 16 MP, f/2.0, 26mm (wide), 1/3.1, 1.0 micron
Front Camera Video
1080p30fps
1080p30fps
1080p30fps
Front Camera Features
HDR
LED flash, HDR

HeadPhone Jack
Yes
Yes
Yes
Loudspeaker
Yes
Yes
Yes
Audio Features
Dolby Atmos
Dolby Atmos
Active noise cancellation with dedicated mic|Dolby Atmos sound

Battery Capacity
5000 mAh battery
6000 mAh battery
4000 mAh
User Replaceable
Non-removable
Non-removable
Non-removable
Charging
Fast charging 15W
Fast battery charging 15W
Fast battery charging 20W (VOOC Flash Charge 3.0)
Battery Type
Li-Po
Li-Po
Li-Po

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, BDS
Yes, with A-GPS, GLONASS, BDS
Radio
FM radio, RDS, recording
FM radio, RDS, recording
FM radio
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector
Type-C 1.0 reversible connector
NFC
Yes
No
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE
GSM / HSPA / LTE

Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Announced On
2020, March 24
2020, February 25
2019, August
Status
Available. Released 2020, June 04
Available. Released 2020, March 5
Available. Released 2019, September