Product
Vivo V21e
Vivo V21e
Samsung Galaxy On8
Samsung Galaxy On8
Battery
Charging 33W wired, 66% in 30 min -
Music play - Up to 82 h
Talk time - Up to 17 h (3G)
Type 4000 mAh Li-Ion 3300 mAh, removable
Body
Dimensions 161.2 x 74.4 x 7.4 mm (6.35 x 2.93 x 0.29 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 171 g (6.03 oz) 169 g (5.96 oz)
Comms
Bluetooth 5.1, A2DP, LE 4.1, A2DP
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GLONASS
Radio FM radio FM radio, RDS, recording
USB USB Type-C 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 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.44 inches, 100.1 cm2 (~83.5% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Type AMOLED, HDR10, 430 nits (typ) Super AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, compass Accelerometer, proximity
  - ANT+
Launch
Announced 2021, April 27 2016, September. Released 2016, October
Status Available. Released 2021, May 05 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/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm, AF 2 MP, f/2.4, (macro) -
Video 4K@30fps, 1080p@30/60fps, gyro-EIS 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 8GB RAM 16GB 3GB RAM
  - eMMC 5.0
Misc
Colors Diamond Flare, Roman Black White, Black, Gold
Models V2061 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, 7, 8, 20, 28, 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 / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm SM7125 Snapdragon 720G (8 nm) Exynos 7580 Octa (28 nm)
CPU Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) Octa-core 1.6 GHz Cortex-A53
GPU Adreno 618 Mali-T720MP2
OS Android 11, Funtouch 11.1 Android 6.0.1 (Marshmallow)
Selfie camera
Features HDR LED flash
Single 44 MP, f/2.0, (wide), AF 5 MP, f/1.9
Video 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio -