Screen size
V4 Viper Pro6.8"
Viva 803GWinner: 8.0"+15%
Quick verdict
V4 Viper Pro leads the measured specs 8-3.
Measured wins
V4 Viper Pro
8
spec wins
Overall winner
Ties
7
equal specs
Viva 803G
3
spec wins
Screen size
Technology
V4 Viper Pro
GSM / HSPA / LTE
Viva 803G
GSM / HSPA
2G bands
V4 Viper Pro
GSM 850 / 900 / 1800 / 1900
Viva 803G
GSM 850 / 900 / 1800 / 1900
3G bands
V4 Viper Pro
HSDPA 900 / 2100
Viva 803G
HSDPA 900 / 1900 / 2100
4G bands
V4 Viper Pro
1, 3, 7, 20, 38
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Viva 803G
-
Speed
V4 Viper Pro
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Viva 803G
HSPA 21.1/5.76 Mbps
Announced
V4 Viper Pro
2020, January. Released 2020, January
Viva 803G
2020, April. Released 2020, April
Status
V4 Viper Pro
Discontinued
Viva 803G
Discontinued
Dimensions
V4 Viper Pro
171 x 82 x 8.8 mm (6.73 x 3.23 x 0.35 in)
Viva 803G
208 x 124 x 9.5 mm (8.19 x 4.88 x 0.37 in)
Weight
V4 Viper Pro
191.6 g (6.77 oz)
Viva 803G
330 g (11.64 oz)
SIM
V4 Viper Pro
Nano-SIM + Nano-SIM
Viva 803G
Micro-SIM
Type
V4 Viper Pro
IPS LCD
Viva 803G
IPS LCD
Size
V4 Viper Pro
6.8 inches, 115.4 cm2 (~82.3% screen-to-body ratio)
Viva 803G
8.0 inches, 185.6 cm2 (~72.0% screen-to-body ratio)
Resolution
V4 Viper Pro
640 x 1352 pixels, 19:9 ratio (~220 ppi density)
Viva 803G
800 x 1280 pixels, 16:10 ratio (~189 ppi density)
OS
V4 Viper Pro
Android 9.0 (Pie)
Viva 803G
Android 9.0 Pie (Go edition)
Chipset
V4 Viper Pro
Mediatek MT6739 (28 nm)
Viva 803G
Mediatek MT8321 (28 nm)
CPU
V4 Viper Pro
Quad-core 1.3 GHz Cortex-A53
Viva 803G
Quad-core 1.3 GHz Cortex-A7
GPU
V4 Viper Pro
PowerVR GE8100
Viva 803G
Mali-400
Card slot
V4 Viper Pro
microSDXC (uses shared SIM slot)
Viva 803G
microSDHC
Internal
V4 Viper Pro
32GB 2GB RAM
Viva 803G
16GB 1GB RAM
Other
V4 Viper Pro
eMMC 5.1
Viva 803G
eMMC 5.1
Dual
V4 Viper Pro
13 MP, AF Auxiliary lens
Viva 803G
-
Features
V4 Viper Pro
LED flash
Viva 803G
LED flash
Video
V4 Viper Pro
1080p@30fps
Viva 803G
720p
Single
V4 Viper Pro
-
Viva 803G
VGA
Single
V4 Viper Pro
8 MP
Viva 803G
2 MP
Video
V4 Viper Pro
1080p@30fps
Viva 803G
Loudspeaker
V4 Viper Pro
Yes
Viva 803G
Yes
3.5mm jack
V4 Viper Pro
Yes
Viva 803G
Yes
WLAN
V4 Viper Pro
Wi-Fi 802.11 b/g/n
Viva 803G
Wi-Fi 802.11 b/g/n
Bluetooth
V4 Viper Pro
4.0, A2DP
Viva 803G
4.0, A2DP
Positioning
V4 Viper Pro
GPS, GLONASS
Viva 803G
GPS
NFC
V4 Viper Pro
No
Viva 803G
No
Radio
V4 Viper Pro
FM radio
Viva 803G
FM radio
USB
V4 Viper Pro
microUSB 2.0
Viva 803G
microUSB 2.0
Sensors
V4 Viper Pro
Fingerprint (rear-mounted), accelerometer, proximity
Viva 803G
Accelerometer
Type
V4 Viper Pro
Li-Po 3500 mAh
Viva 803G
Li-Po 3600 mAh
Charging
V4 Viper Pro
10W wired
Viva 803G
-
Colors
V4 Viper Pro
Dark Grey
Viva 803G
Black
SAR EU
V4 Viper Pro
1.20 W/kg (head)
Viva 803G
1.59 W/kg (body)
Price
V4 Viper Pro
About 170 EUR
Viva 803G
About 90 EUR