Product
Vivo iQOO Z3
Vivo iQOO Z3
Samsung Galaxy On8
Samsung Galaxy On8
Battery
Charging 55W wired -
Music play - Up to 82 h
Talk time - Up to 17 h (3G)
Type 4400 mAh Li-Ion 3300 mAh, removable
Body
Dimensions 164 x 75.3 x 8.5 mm (6.46 x 2.96 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 185.5 g (6.56 oz) 169 g (5.96 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 4.1, A2DP
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
Radio No FM radio, RDS, recording
USB USB Type-C, 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 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Type IPS LCD, HDR10, 120Hz Super AMOLED
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity
  - ANT+
Launch
Announced 2021, March 25 2016, September. Released 2016, October
Status Available. Released 2021, April 01 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 13 MP, f/1.9, 28mm (wide), AF
Triple 64 MP, f/1.8, 26mm (wide), 1/1.97", 0.7µm, PDAF 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30/60fps, 1080p@30/60fps, gyro-EIS 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 16GB 3GB RAM
  UFS 2.2 eMMC 5.0
Misc
Colors Ace Black, Cyber Blue, Silver White, Black, Gold
Models V2073A 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 / 1700(AWS) / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 4, 5, 8, 38, 40, 41 - India 1, 3, 5, 7, 40
5G bands 77, 78 SA/NSA - India -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE
  1, 28, 41, 77, 78 SA/NSA - China -
Platform
Chipset Qualcomm SDM768 Snapdragon 768G 5G (7 nm) Exynos 7580 Octa (28 nm)
CPU Octa-core (1x2.8 GHz Kryo 475 Prime & 1x2.4 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) Octa-core 1.6 GHz Cortex-A53
GPU Adreno 620 Mali-T720MP2
OS Android 11, Funtouch 11.1 (International), OriginOS 1.0 for iQOO (China) Android 6.0.1 (Marshmallow)
Selfie camera
Features HDR LED flash
Single 16 MP, f/2.0, (wide) 5 MP, f/1.9
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes