| Product |
Vivo Y81i
|
Infinix Note 50x
|
| Battery |
| Charging |
- |
45W wired
10W reverse wired
Bypass Charging |
| Type |
3260 mAh, non-removable |
5500 mAh |
| 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) |
165.4 x 76.4 x 8.0 mm or 8.2 mm |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
143 g (5.04 oz) |
195.4 g or 198.9 g (6.88 oz) |
| |
- |
IP64 dust tight and water resistant (water splashes)
RGB notification light (on the back)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
5.4, A2DP, LE |
| Infrared port |
- |
Yes |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
USB Type-C 2.0, OTG |
| WLAN |
Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band |
| Display |
| Protection |
Corning Gorilla Glass |
- |
| Resolution |
720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
720 x 1600 pixels, 20:9 ratio (~263 ppi density) |
| Size |
6.22 inches, 96.6 cm2 (~83.0% screen-to-body ratio) |
6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD, 120Hz, 560 nits (typ) |
| Features |
| Sensors |
Accelerometer, proximity, compass |
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2018, October. Released 2018, November |
2025, March 27 |
| Status |
Discontinued |
Available. Released 2025, April |
| Main Camera |
| Features |
LED flash, HDR, panorama |
Dual-LED flash, HDR, panorama |
| Single |
13 MP, f/2.2, PDAF |
50 MP, f/1.6, (wide), PDAF |
| Video |
1080p@30fps |
4K@30fps, 1080p@30/120/240fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (uses shared SIM slot) |
| Internal |
16GB 2GB RAM |
128GB 6GB RAM, 128GB 8GB RAM |
| |
eMMC 5.1 |
UFS 2.2 |
| Misc |
| Colors |
Black, Red |
Titanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice Pink |
| Models |
1812, 1812_19 |
X6857B |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 2100 |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands |
1, 3, 5, 7, 8, 38, 40, 41 |
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66 |
| 5G bands |
- |
1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA |
| Speed |
HSPA 21.1/5.76 Mbps, LTE (2CA) Cat7 300/150 Mbps |
HSPA, LTE, 5G |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE / 5G |
| Platform |
| Chipset |
Mediatek MT6761 Helio A22 (12 nm) |
Mediatek Dimensity 7300 Ultimate (4 nm) |
| CPU |
Quad-core 2.0 GHz Cortex-A53 |
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) |
| GPU |
PowerVR GE8320 |
Mali-G615 MC2 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 15, up to 2 major Android upgrades, XOS 15 |
| Selfie camera |
| Single |
5 MP, f/2.2 |
8 MP, f/2.0, (wide) |
| Video |
|
1440p@30fps, 1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
No |
| Loudspeaker |
Yes |
Yes, with stereo speakers |
| |
- |
24-bit/192kHz Hi-Res audio |
