Product
Vivo Y81i
Vivo Y81i
Samsung Galaxy M05
Samsung Galaxy M05
Battery
Charging - 25W wired
Type 3260 mAh, non-removable 5000 mAh
Body
Build Glass front (Gorilla Glass), plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 155.1 x 75 x 7.8 mm (6.11 x 2.95 x 0.31 in) 168.8 x 78.2 x 8.8 mm (6.65 x 3.08 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 143 g (5.04 oz) 195 g (6.88 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio Unspecified
USB microUSB 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass -
Resolution 720 x 1520 pixels, 19:9 ratio (~270 ppi density) 720 x 1600 pixels, 20:9 ratio (~262 ppi density)
Size 6.22 inches, 96.6 cm2 (~83.0% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~82.1% screen-to-body ratio)
Type IPS LCD PLS LCD
Features
Sensors Accelerometer, proximity, compass Accelerometer, proximity
Launch
Announced 2018, October. Released 2018, November 2024, September 10
Status Discontinued Available. Released 2024, September 10
Main Camera
Dual - 50 MP, f/1.8, (wide), AF 2 MP, f/2.4, (depth)
Features LED flash, HDR, panorama LED flash
Single 13 MP, f/2.2, PDAF -
Video 1080p@30fps 1080p@30/60fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 16GB 2GB RAM 64GB 4GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Black, Red Mint Green
Models 1812, 1812_19 SM-M055F, SM-M055F/DS
SAR - 0.46 W/kg (head)    
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) Mediatek Helio G85 (12 nm)
CPU Quad-core 2.0 GHz Cortex-A53 Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G52 MC2
OS Android 8.1 (Oreo), Funtouch 4 Android 14, up to 2 major Android upgrades, One UI Core 6.0
Selfie camera
Single 5 MP, f/2.2 8 MP, f/2.0
Video Yes
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes