| Product |
Oppo A77s
|
Vivo Y55s (2017)
|
| Battery |
| Charging |
33W wired, 100% in 69 min |
- |
| Type |
Li-Po 5000 mAh |
Li-Ion 2730 mAh, non-removable |
| Body |
| Build |
Glass front, plastic frame, plastic back or eco leather back |
Glass front, aluminum back, aluminum frame |
| Dimensions |
163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in) |
147.9 x 72.9 x 7.5 mm (5.82 x 2.87 x 0.30 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Micro-SIM |
| Weight |
187 g / 190 g (6.60 oz) |
142 g (5.01 oz) |
| |
IP54 dust protected and water resistant (water splashes) |
- |
| Comms |
| Bluetooth |
5.0, A2DP, LE, aptX HD |
4.2, A2DP, LE |
| NFC |
Yes |
No |
| Positioning |
GPS, GLONASS, BDS, GALILEO, QZSS |
GPS, GLONASS, BDS |
| Radio |
FM radio |
FM radio |
| USB |
USB Type-C 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 |
| Resolution |
720 x 1612 pixels, 20:9 ratio (~269 ppi density) |
720 x 1280 pixels, 16:9 ratio (~282 ppi density) |
| Size |
6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio) |
5.2 inches, 74.5 cm2 (~69.1% screen-to-body ratio) |
| Type |
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM) |
IPS LCD |
| Features |
| Sensors |
Fingerprint (side-mounted), accelerometer, proximity, compass |
Accelerometer, proximity, compass |
| Launch |
| Announced |
2022, October 05 |
2017, February. Released 2017, February |
| Status |
Available. Released 2022, October 07 |
Discontinued |
| Main Camera |
| Dual |
50 MP, f/1.8, 27mm (wide), PDAF
2 MP, f/2.4, (depth) |
- |
| Features |
LED flash, HDR, panorama |
LED flash, HDR, panorama |
| Single |
- |
13 MP, f/2.2, AF |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC |
microSDXC (dedicated slot) |
| Internal |
128GB 8GB RAM |
16GB 2GB RAM, 16GB 3GB RAM |
| |
UFS 2.2 |
eMMC 5.1 |
| Misc |
| Colors |
Sunset Orange, Starry Black |
Crown Gold, Rose Gold, Space Gray |
| Models |
CPH2473 |
1610 |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 3, 5, 7, 8, 28, 38, 40, 41 |
1, 3, 5, 7, 8, 40 - Malaysia, Vietnam |
| Speed |
HSPA, LTE |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| |
- |
1, 3, 5, 40 - India |
| Platform |
| Chipset |
Qualcomm SM6225 Snapdragon 680 4G (6 nm) |
Qualcomm MSM8917 Snapdragon 425 (28 nm) |
| CPU |
Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) |
Quad-core 1.4 GHz Cortex-A53 |
| GPU |
Adreno 610 |
Adreno 306 |
| OS |
Android 12, upgradable to Android 14, ColorOS 14 |
Android 6 (Marshmallow), Funtouch 3 |
| Selfie camera |
| Features |
Panorama |
- |
| Single |
8 MP, f/2.0, 26mm (wide) |
5 MP, f/2.2 |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes, with stereo speakers |
Yes |
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