Screen size
E3 Sign5.5"
V4 ViperWinner: 5.7"+3.5%
Quick verdict
V4 Viper leads the measured specs 8-1.
Measured wins
E3 Sign
1
spec wins
Ties
8
equal specs
V4 Viper
8
spec wins
Overall winner
Screen size
Technology
E3 Sign
GSM / HSPA
V4 Viper
GSM / HSPA / LTE
2G bands
E3 Sign
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
V4 Viper
GSM 850 / 900 / 1800 / 1900
3G bands
E3 Sign
HSDPA 900 / 2100
V4 Viper
HSDPA 900 / 2100
Speed
E3 Sign
HSPA 21.1/11.5 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront 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
V4 Viper
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
4G bands
E3 Sign
-
V4 Viper
1, 3, 7, 8, 20, 38
Announced
E3 Sign
2015, March. Released 2015, March
V4 Viper
2019, September. Released 2019, September
Status
E3 Sign
Discontinued
V4 Viper
Discontinued
Dimensions
E3 Sign
152.5 x 75.9 x 9.3 mm (6.00 x 2.99 x 0.37 in)
V4 Viper
145.8 x 70.9 x 8.5 mm (5.74 x 2.79 x 0.33 in)
Weight
E3 Sign
161.9 g (6.74 oz)
V4 Viper
138 g (4.87 oz)
SIM
E3 Sign
Dual SIM (Micro-SIM, dual stand-by)
V4 Viper
Nano-SIM + Nano-SIM
Type
E3 Sign
IPS LCD
V4 Viper
IPS LCD
Size
E3 Sign
5.5 inches, 83.4 cm2 (~72.0% screen-to-body ratio)
V4 Viper
5.7 inches, 81.1 cm2 (~78.4% screen-to-body ratio)
Resolution
E3 Sign
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
V4 Viper
720 x 1520 pixels, 19:9 ratio (~295 ppi density)
Protection
E3 Sign
Scratch-resistant glass
V4 Viper
-
OS
E3 Sign
Android 4.4.2 (KitKat)
V4 Viper
Android 9.0 (Pie)
Chipset
E3 Sign
Mediatek MT6582 (28 nm)
V4 Viper
Mediatek MT6761 Helio A22 (12 nm)
CPU
E3 Sign
Quad-core 1.3 GHz Cortex-A7
V4 Viper
Quad-core 2.0 GHz Cortex-A53
GPU
E3 Sign
Mali-400MP2
V4 Viper
PowerVR GE8320
Card slot
E3 Sign
microSDHC
V4 Viper
microSDXC (uses shared SIM slot)
Internal
E3 Sign
16GB 2GB RAM
V4 Viper
16GB 2GB RAM
Other
E3 Sign
-
V4 Viper
eMMC 5.1
Single
E3 Sign
8 MP, AF
V4 Viper
-
Features
E3 Sign
Dual-LED flash, HDR
V4 Viper
LED flash
Video
E3 Sign
1080p@30fps
V4 Viper
1080p@30fps
Dual
E3 Sign
-
V4 Viper
8 MP, AF Auxiliary lens
Single
E3 Sign
2 MP
V4 Viper
5 MP
Video
E3 Sign
V4 Viper
Loudspeaker
E3 Sign
Yes
V4 Viper
Yes
3.5mm jack
E3 Sign
Yes
V4 Viper
Yes
WLAN
E3 Sign
Wi-Fi 802.11 b/g/n
V4 Viper
Wi-Fi 802.11 b/g/n
Bluetooth
E3 Sign
4.0, A2DP, EDR
V4 Viper
4.1, A2DP, LE
Positioning
E3 Sign
GPS
V4 Viper
GPS, GLONASS
NFC
E3 Sign
No
V4 Viper
No
Infrared port
E3 Sign
Yes
V4 Viper
-
Radio
E3 Sign
FM radio
V4 Viper
FM radio
USB
E3 Sign
microUSB 2.0
V4 Viper
microUSB 2.0
Sensors
E3 Sign
Fingerprint (rear-mounted), accelerometer, proximity
V4 Viper
Fingerprint (rear-mounted), accelerometer, proximity
Type
E3 Sign
Li-Po 2800 mAh, removable
V4 Viper
Li-Po 2700 mAh, non-removable
Stand-by
E3 Sign
Up to 280 h
V4 Viper
-
Talk time
E3 Sign
Up to 10 h 20 min
V4 Viper
-
Colors
E3 Sign
Black
V4 Viper
Blue, Red
SAR EU
E3 Sign
0.67 W/kg (head)
V4 Viper
1.13 W/kg (head)
Price
E3 Sign
-
V4 Viper
About 100 EUR