Product
Vivo Y30g
Vivo Y30g
Samsung Galaxy On8
Samsung Galaxy On8
Battery
Charging 18W wired -
Music play - Up to 82 h
Talk time - Up to 17 h (3G)
Type 5000 mAh Li-Ion 3300 mAh, removable
Body
Build Glass front, plastic back, plastic frame -
Dimensions 164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in) 151.7 x 76 x 7.8 mm (5.97 x 2.99 x 0.31 in)
SIM Nano-SIM + Nano-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 191.4 g (6.77 oz) 169 g (5.96 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 4.1, A2DP
NFC No Yes
Positioning GPS, GLONASS, BDS, GALILEO, QZSS GPS, GLONASS
Radio Unspecified FM radio, RDS, recording
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Accelerometer, proximity
  - ANT+
Launch
Announced 2021, March 30 2016, September. Released 2016, October
Status Available. Released 2021, March 30 Discontinued
Main Camera
Dual 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (depth) -
Features LED flash, panorama LED flash, panorama, HDR
Single - 13 MP, f/1.9, 28mm (wide), AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 128GB 8GB RAM 16GB 3GB RAM
  eMMC 5.1 eMMC 5.0
Misc
Colors Obsidian Black, Dawn White, Aqua Blue White, Black, Gold
Models V2066BA SM-J710FN
SAR - 0.22 W/kg (head)    
SAR EU - 0.47 W/kg (head)     1.78 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 7, 40
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  CDMA 800 & TD-SCDMA -
Platform
Chipset Mediatek MT6768 Helio P65 (12 nm) Exynos 7580 Octa (28 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) Octa-core 1.6 GHz Cortex-A53
GPU Mali-G52 MC2 Mali-T720MP2
OS Android 11, OriginOS 1.0 Android 6.0.1 (Marshmallow)
Selfie camera
Features - LED flash
Single 8 MP, f/1.8, (wide) 5 MP, f/1.9
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes