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

