| Product |
Oppo A31
|
Samsung Galaxy J2 Core (2020)
|
| Battery |
| Type |
Li-Po 4230 mAh |
Li-Ion 2600 mAh, removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
Glass front, plastic back, plastic frame |
| Dimensions |
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in) |
143.4 x 72.1 x 8.9 mm (5.65 x 2.84 x 0.35 in) |
| SIM |
Nano-SIM + Nano-SIM |
Dual SIM (Micro-SIM, dual stand-by) |
| Weight |
180 g (6.35 oz) |
154 g (5.43 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
4.2, A2DP |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, BDS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0, OTG |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Display |
| Protection |
Corning Gorilla Glass 3 |
- |
| Resolution |
720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
540 x 960 pixels, 16:9 ratio (~220 ppi density) |
| Size |
6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio) |
5.0 inches, 68.9 cm2 (~66.7% screen-to-body ratio) |
| Type |
IPS LCD, 480 nits (typ) |
PLS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Accelerometer, proximity |
| Launch |
| Announced |
2020, February 13 |
2020, April 27 |
| Status |
Available. Released 2020, February 14 |
Available. Released 2020, April 27 |
| Main Camera |
| Features |
LED flash, HDR, panorama |
LED flash, HDR, panorama |
| Single |
- |
8 MP, f/2.2, AF |
| Triple |
12 MP, f/1.8, (wide), 1/2.86", 1.25µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) |
- |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM |
16GB 1GB RAM |
| |
eMMC 5.1 |
eMMC 5.0 |
| Misc |
| Colors |
Fantasy White, Mystery Black, Lake Green |
Black, Gold, Blue |
| Models |
CPH2015, CPH2073, CPH2081, CPH2029, CPH2031 |
SM-J260GU, SM-J260GU/DS, SM-J260FU, SM-J260MU |
| SAR |
- |
0.99 W/kg (head) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 2100 - International |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International |
1, 3, 5, 8, 40, 41 |
| Speed |
HSPA, LTE |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| |
1, 3, 5, 7, 8, 38, 40, 41 - Asia |
- |
| Platform |
| Chipset |
Mediatek MT6765V/CB Helio P35 (12 nm) |
Qualcomm MSM8917 Snapdragon 425 (28 nm) |
| CPU |
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
Quad-core 1.4 GHz Cortex-A53 |
| GPU |
PowerVR GE8320 |
Adreno 308 |
| OS |
Android 9.0 (Pie), ColorOS 6.1 |
Android 8.1 Oreo (Go edition) |
| Selfie camera |
| Features |
HDR |
- |
| Single |
8 MP, f/2.0, (wide), 1/4.0", 1.12µm |
5 MP, f/2.2 |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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