| Product |
Vivo Y81i
|
Samsung Galaxy J Max
|
| Battery |
| Music play |
- |
Up to 87 h |
| Talk time |
- |
Up to 21 h (3G) |
| Type |
3260 mAh, non-removable |
Li-Ion 4000 mAh, non-removable |
| Body |
| Build |
Glass front (Gorilla Glass), plastic back, plastic frame |
- |
| Dimensions |
155.1 x 75 x 7.8 mm (6.11 x 2.95 x 0.31 in) |
186.9 x 108.8 x 8.7 mm (7.36 x 4.28 x 0.34 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
143 g (5.04 oz) |
289 g (10.19 oz) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
4.0, A2DP |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS |
| Radio |
FM radio |
FM radio, RDS, recording |
| USB |
microUSB 2.0, OTG |
microUSB 2.0, OTG |
| WLAN |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Display |
| Protection |
Corning Gorilla Glass |
- |
| Resolution |
720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
800 x 1280 pixels, 16:10 ratio (~216 ppi density) |
| Size |
6.22 inches, 96.6 cm2 (~83.0% screen-to-body ratio) |
7.0 inches, 142.1 cm2 (~69.9% screen-to-body ratio) |
| Type |
IPS LCD |
TFT |
| Features |
| Sensors |
Accelerometer, proximity, compass |
Accelerometer |
| Launch |
| Announced |
2018, October. Released 2018, November |
2016, July. Released 2016, August |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Features |
LED flash, HDR, panorama |
LED flash, HDR, panorama |
| Single |
13 MP, f/2.2, PDAF |
8 MP, f/1.9, AF |
| Video |
1080p@30fps |
720p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (dedicated slot) |
| Internal |
16GB 2GB RAM |
8GB 1.5GB RAM |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Black, Red |
Black, Gold |
| Models |
1812, 1812_19 |
SM-T285, SM-T285YD |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
1, 3, 5, 7, 8, 38, 40, 41 |
1, 3, 5, 7, 8, 28, 40 |
| Speed |
HSPA 21.1/5.76 Mbps, LTE (2CA) Cat7 300/150 Mbps |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| Platform |
| Chipset |
Mediatek MT6761 Helio A22 (12 nm) |
Spreadtrum SC8830 |
| CPU |
Quad-core 2.0 GHz Cortex-A53 |
Quad-core 1.5 GHz Cortex-A7 |
| GPU |
PowerVR GE8320 |
Mali-400MP2 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 5.1 (Lollipop) |
| Selfie camera |
| Single |
5 MP, f/2.2 |
2 MP, f/2.2 |
| Video |
|
|
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
