Product
Vivo Y81i
Vivo Y81i
Realme C71
Realme C71
Battery
Charging - 45W wired, 50% in 36 min6W reverse wired
Type 3260 mAh, non-removable 6000 mAh - Europe6300 mAh - Asia
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) 165.8 x 75.9 x 7.8 mm (6.53 x 2.99 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 143 g (5.04 oz) 196 g (6.91 oz)
  - Dust tight and water resistant (water splashes)Drop resistant up to 1.5mMIL-STD-810H compliant** does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GALILEO, GLONASS, BDS
Radio FM radio No
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, dual-band
Display
Protection Corning Gorilla Glass -
Resolution 720 x 1520 pixels, 19:9 ratio (~270 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 6.22 inches, 96.6 cm2 (~83.0% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~85.2% screen-to-body ratio)
Type IPS LCD IPS LCD, 120Hz, 725 nits (peak)
Features
Sensors Accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2018, October. Released 2018, November 2025, June 02
Status Discontinued Available. Released 2025, June 02
Main Camera
Features LED flash, HDR, panorama LED flash, panorama
Single 13 MP, f/2.2, PDAF 50 MP, f/1.8, 27mm (wide), PDAF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC
Internal 16GB 2GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
  eMMC 5.1 -
Misc
Colors Black, Red Midnight Lily, Lily White
Models 1812, 1812_19 RMX5303
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, 7, 8, 38, 40, 41 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 21.1/5.76 Mbps, LTE (2CA) Cat7 300/150 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Mediatek MT6761 Helio A22 (12 nm) Unisoc T7250 (12 nm)
CPU Quad-core 2.0 GHz Cortex-A53 Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57 MP1
OS Android 8.1 (Oreo), Funtouch 4 Android 15, Realme UI 6.0
Selfie camera
Single 5 MP, f/2.2 5 MP, f/2.2, (wide)
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 24-bit/192kHz Hi-Res audio