| Product |
Oppo A3 4G
|
Vivo Y81
|
| Battery |
| Charging |
45W wired, PD2.0, PPS, 50% in 30 min |
- |
| Type |
5100 mAh |
3260 mAh, non-removable |
| Body |
| Build |
- |
Glass front (Gorilla Glass), plastic back, plastic frame |
| Dimensions |
165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in) |
155.1 x 75 x 7.8 mm (6.11 x 2.95 x 0.31 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
186 g (6.56 oz) |
146.5 g (5.15 oz) |
|
IP54 dust protected and water resistant (water splashes)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions |
- |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
5.0, A2DP, LE |
| NFC |
Yes, 360? (market/region dependent) |
No |
| Positioning |
GPS, GALILEO, GLONASS, BDS, QZSS |
GPS, GLONASS, BDS |
| Radio |
Unspecified |
No |
| USB |
USB Type-C 2.0, OTG |
microUSB 2.0 |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Display |
| Protection |
Panda glass |
Corning Gorilla Glass |
| Resolution |
720 x 1604 pixels, 20:9 ratio (~264 ppi density) |
720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
| Size |
6.67 inches, 107.2 cm2 (~85.0% screen-to-body ratio) |
6.22 inches, 96.6 cm2 (~83.0% screen-to-body ratio) |
| Type |
IPS LCD, 90Hz, 1000 nits (HBM) |
IPS LCD |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, proximity, compass |
Fingerprint (rear-mounted) - only 4 GB model; accelerometer, proximity, compass |
| Launch |
| Announced |
2024, August 20 |
2018, June. Released 2018, June |
| Status |
Available. Released 2024, August 20 |
Discontinued |
| Main Camera |
| Dual |
50 MP, f/1.8, (wide), PDAF
Auxiliary lens |
- |
| Features |
LED flash, HDR, panorama |
LED flash, HDR, panorama |
| Single |
- |
13 MP, f/2.2, PDAF |
| Video |
1080p@30/60fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC |
microSDXC (dedicated slot) |
| Internal |
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
32GB 3GB RAM, 32GB 4GB RAM |
|
eMMC 5.1 |
eMMC 5.1 |
| Misc |
| Colors |
Sparkle Black, Starry Purple, Starlight White |
Black, Gold |
| Models |
CPH2669, CPH3669 |
1808, 1803, V1732A, 1808i |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - version 1 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 26, 28, 38, 40, 41, 66 - version 1 |
1, 3, 5, 7, 8, 34, 38, 39, 40, 41 |
| Speed |
HSPA, LTE |
HSPA, LTE |
| Technology |
GSM / HSPA / LTE |
GSM / CDMA / HSPA / LTE |
|
1, 3, 5, 8, 40 - version 4 |
CDMA 800 & TD-SCDMA |
| Platform |
| Chipset |
Qualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm) |
Mediatek MT6762 Helio P22 (12 nm) |
| CPU |
Octa-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) |
Octa-core 2.0 GHz Cortex-A53 |
| GPU |
Adreno 610 |
PowerVR GE8320 |
| OS |
Android 14, ColorOS 14 |
Android 8.1 (Oreo), Funtouch 4 |
| Selfie camera |
| Single |
5 MP, f/2.2, (wide) |
5 MP, f/2.2 |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
