Home/Oppo/Oppo A3 4G vs Samsung Galaxy M31
Oppo A3 4G

Oppo A3 4G

#2360
Samsung Galaxy M31

Samsung Galaxy M31

#1547

Category Breakdown

Oppo A3 4G
Samsung Galaxy M31
Performance
79.276.7
Camera
35.562.7
Display
78.776.2
Battery
36.137.7
Build
0.288.9
Connectivity
63.362.8
Audio
8.98.9
Overall
49.757.2

Summary

  • The Oppo A3 4G features a larger 6.67-inch IPS LCD display with a 90Hz refresh rate, while the Samsung Galaxy M31 has a 6.4-inch Super AMOLED display with a higher resolution of 1080 x 2340 pixels.
  • In terms of performance, the A3 is powered by the Snapdragon 6s 4G Gen1 chipset, whereas the M31 uses the Exynos 9611, with the A3 offering more RAM options.
  • The camera setup on the M31 includes a 64 MP main sensor and additional lenses for versatility, while the A3 has a single 50 MP rear camera.
  • The M31's battery capacity is 6000 mAh, larger than the A3's 5100 mAh, but the A3 supports faster charging at 45W compared to the M31's 15W.
  • Both devices run different versions of Android, with the A3 launching with Android 14 and ColorOS 14, while the M31 originally came with Android 10, upgradable to Android 12 with One UI 4.1.

Side-by-side Specification Comparison

Oppo A3 4G
Samsung Galaxy M31

General

Release Date

2024, August 20
2020, February 25

Announced

2024, August 20
2020, February 25

Description

Also known as Oppo A40, Oppo A40m, Oppo A60 (LATAM)Not to be confused withOppo A3for China market,Oppo A3with 5G
Versions: SM-M315F/DS, SM-M315F/DSN

Display

Size

6.67"
6.4"

Type

IPS LCD, 90Hz, 1000 nits (HBM)
Super AMOLED, 420 nits (peak)

Resolution

720 x 1604 pixels, 20:9 ratio (~264 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)

PPI

720
1080

Refresh Rate

90Hz
60Hz

HDR Support

Protection

Panda glass
Corning Gorilla Glass 3

Performance

Chipset

Qualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm)
Exynos 9611 (10 nm)

CPU

Octa-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53)
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

GPU

Adreno 610
Mali-G72 MP3

Memory

128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM

Expandable Storage

Card Slot

microSDXC
microSDXC (dedicated slot)

Camera

Main Camera

50 MP, f/1.8, (wide), PDAFAuxiliary lens
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm5 MP, f/2.4, (macro)5 MP, f/2.2, (depth)

Main Camera Features

LED flash, HDR, panorama
LED flash, panorama, HDR

Front Camera

5 MP, f/2.2, (wide)
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm

Front Camera Features

N/A
HDR

Video Recording

1080p@30/60fps
4K@30fps, 1080p@30fps, gyro-EIS

Selfie Video

1080p@30fps
4K@30fps, 1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

5100 mAh
6000 mAh

Battery Details

5100 mAh
Li-Po 6000 mAh

Charging Details

45W wired, PD2.0, PPS, 50% in 30 min
15W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in)
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)

Weight

186 g
191 g

Materials

N/A
Glass front (Gorilla Glass 3), plastic back, plastic frame

Colors

Sparkle Black, Starry Purple, Starlight White
Ocean Blue, Space Black, Red

Foldable

SAR

N/A
0.52 W/kg (head)     0.69 W/kg (body)

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
HSPA, LTE

5G

4G

WiFi

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

Bluetooth

5.0, A2DP, LE
5.0, A2DP, LE

NFC

USB

USB Type-C 2.0, OTG
USB Type-C 2.0

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GALILEO, GLONASS, BDS, QZSS
GPS, GLONASS, GALILEO, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 14, ColorOS 14
Android 10, upgradable to Android 12, One UI 4.1

Fingerprint

Face Unlock

Sensors

Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, compass