Screen size
City LifeWinner: 7.0"+2.9%
V4 Viper Pro6.8"
Quick verdict
V4 Viper Pro leads the measured specs 10-3.
Measured wins
City Life
3
spec wins
Ties
5
equal specs
V4 Viper Pro
10
spec wins
Overall winner
Screen size
Technology
City Life
No cellular connectivity
V4 Viper Pro
GSM / HSPA / LTE
2G bands
City Life
N/A
V4 Viper Pro
GSM 850 / 900 / 1800 / 1900
GPRS
City Life
No
V4 Viper Pro
-
EDGE
City Life
No
V4 Viper Pro
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
City Life
-
V4 Viper Pro
HSDPA 900 / 2100
4G bands
City Life
-
V4 Viper Pro
1, 3, 7, 20, 38
Speed
City Life
-
V4 Viper Pro
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
City Life
2013, October. Released 2013, October
V4 Viper Pro
2020, January. Released 2020, January
Status
City Life
Discontinued
V4 Viper Pro
Discontinued
Dimensions
City Life
192.5 x 122 x 7.9 mm (7.58 x 4.80 x 0.31 in)
V4 Viper Pro
171 x 82 x 8.8 mm (6.73 x 3.23 x 0.35 in)
Weight
City Life
282 g (9.95 oz)
V4 Viper Pro
191.6 g (6.77 oz)
SIM
City Life
No
V4 Viper Pro
Nano-SIM + Nano-SIM
Type
City Life
TFT
V4 Viper Pro
IPS LCD
Size
City Life
7.0 inches, 137.9 cm2 (~58.7% screen-to-body ratio)
V4 Viper Pro
6.8 inches, 115.4 cm2 (~82.3% screen-to-body ratio)
Resolution
City Life
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
V4 Viper Pro
640 x 1352 pixels, 19:9 ratio (~220 ppi density)
OS
City Life
Android 4.1.1 (Jelly Bean)
V4 Viper Pro
Android 9.0 (Pie)
CPU
City Life
Dual-core 1.5 GHz Cortex-A9
V4 Viper Pro
Quad-core 1.3 GHz Cortex-A53
GPU
City Life
Mali-400
V4 Viper Pro
PowerVR GE8100
Chipset
City Life
-
V4 Viper Pro
Mediatek MT6739 (28 nm)
Card slot
City Life
microSDHC (dedicated slot)
V4 Viper Pro
microSDXC (uses shared SIM slot)
Internal
City Life
8GB 512MB RAM
V4 Viper Pro
32GB 2GB RAM
Other
City Life
-
V4 Viper Pro
eMMC 5.1
Single
City Life
VGA
V4 Viper Pro
-
Video
City Life
Yes
V4 Viper Pro
1080p@30fps
Dual
City Life
-
V4 Viper Pro
13 MP, AF Auxiliary lens
Features
City Life
-
V4 Viper Pro
LED flash
Other
City Life
No
V4 Viper Pro
-
Single
City Life
-
V4 Viper Pro
8 MP
Video
City Life
-
V4 Viper Pro
1080p@30fps
Loudspeaker
City Life
Yes
V4 Viper Pro
Yes
3.5mm jack
City Life
Yes
V4 Viper Pro
Yes
WLAN
City Life
Wi-Fi 802.11 b/g/n
V4 Viper Pro
Wi-Fi 802.11 b/g/n
Bluetooth
City Life
Yes
V4 Viper Pro
4.0, A2DP
Positioning
City Life
V4 Viper Pro
GPS, GLONASS
NFC
City Life
No
V4 Viper Pro
No
Radio
City Life
No
V4 Viper Pro
FM radio
USB
City Life
microUSB 2.0, OTG
V4 Viper Pro
microUSB 2.0
Sensors
City Life
Accelerometer
V4 Viper Pro
Fingerprint (rear-mounted), accelerometer, proximity
Other
City Life
HDMI port
V4 Viper Pro
-
Type
City Life
Li-Po 3000 mAh, non-removable
V4 Viper Pro
Li-Po 3500 mAh
Stand-by
City Life
Up to 250 h
V4 Viper Pro
-
Talk time
City Life
Up to 4 h
V4 Viper Pro
-
Charging
City Life
-
V4 Viper Pro
10W wired
Colors
City Life
White, Black
V4 Viper Pro
Dark Grey
Price
City Life
About 70 EUR
V4 Viper Pro
About 170 EUR
SAR EU
City Life
-
V4 Viper Pro
1.20 W/kg (head)