| Product |
Oppo A15s
|
Vivo Y28 (2014)
|
| Battery |
| Charging |
10W wired |
- |
| Music play |
- |
Up to 32 h |
| Stand-by |
- |
Up to 430 h (2G) / Up to 430 h (3G) |
| Talk time |
- |
Up to 14 h (2G) / Up to 13 h (3G) |
| Type |
Li-Po 4230 mAh |
2100 mAh, removable |
| Body |
| Build |
Glass front, plastic back, plastic frame |
- |
| Dimensions |
164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in) |
137.4 x 68.6 x 9.8 mm (5.41 x 2.70 x 0.39 in) |
| SIM |
Nano-SIM + Nano-SIM |
Micro-SIM |
| Weight |
177 g (6.24 oz) |
156 g (5.50 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE, aptX |
4.0, A2DP, EDR |
| Infrared port |
- |
Yes |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0 |
| WLAN |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, hotspot |
| Display |
| Resolution |
720 x 1600 pixels, 20:9 ratio (~269 ppi density) |
540 x 960 pixels, 16:10 ratio (~216 ppi density) |
| Size |
6.52 inches, 102.6 cm2 (~83.0% screen-to-body ratio) |
4.7 inches, 64.2 cm2 (~68.1% screen-to-body ratio) |
| Type |
IPS LCD, 480 nits (typ) |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, proximity |
Accelerometer, proximity, compass |
| Launch |
| Announced |
2020, December 18 |
2014, December. Released 2014, December |
| Status |
Available. Released 2020, December 18 |
Discontinued |
| Main Camera |
| Features |
LED flash, HDR, panorama |
LED flash |
| Single |
- |
8 MP, AF |
| Triple |
13 MP, f/2.2, (wide), 1/3.1", 1.12µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) |
- |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC |
microSDXC (dedicated slot) |
| Internal |
64GB 4GB RAM, 128GB 4GB RAM |
8GB 1GB RAM |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Dynamic Black, Fancy White |
White |
| Models |
CPH2179 |
Y28 |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 3, 5, 8, 38, 40, 41 |
- |
| Speed |
HSPA, LTE |
HSPA 21.1/5.76 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA |
| Platform |
| Chipset |
Mediatek MT6765 Helio P35 (12 nm) |
Mediatek MT6582 (28 nm) |
| CPU |
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
Quad-core 1.3 GHz Cortex-A7 |
| GPU |
PowerVR GE8320 |
Mali-400MP2 |
| OS |
Android 10, ColorOS 7.2 |
Android 4.2.2 (Jelly Bean) |
| Selfie camera |
| Features |
HDR |
- |
| Single |
8 MP, f/2.0, (wide) |
5 MP |
| Video |
1080p@30fps |
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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