Screen size
V3 ViperWinner: 5.5"+9.1%
X4 Soul Mini5.0"
Quick verdict
V3 Viper leads the measured specs 9-2.
Measured wins
V3 Viper
9
spec wins
Overall winner
Ties
6
equal specs
X4 Soul Mini
2
spec wins
Screen size
Technology
V3 Viper
GSM / HSPA / LTE
X4 Soul Mini
GSM / HSPA / LTE
2G bands
V3 Viper
GSM 850 / 900 / 1800 / 1900
X4 Soul Mini
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
V3 Viper
HSDPA 850 / 900 / 1900 / 2100
X4 Soul Mini
HSDPA 900 / 2100
4G bands
V3 Viper
1, 3, 5, 8, 20, 38, 39, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main 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
X4 Soul Mini
1, 3, 7, 20, 38
Speed
V3 Viper
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
X4 Soul Mini
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
V3 Viper
2018, January. Released 2018, February
X4 Soul Mini
2017, April. Released 2017, March
Status
V3 Viper
Discontinued
X4 Soul Mini
Discontinued
Dimensions
V3 Viper
148.3 x 71.8 x 8.1 mm (5.84 x 2.83 x 0.32 in)
X4 Soul Mini
143.5 x 73.9 x 7.7 mm (5.65 x 2.91 x 0.30 in)
Weight
V3 Viper
143.6 g (5.08 oz)
X4 Soul Mini
144 g (5.08 oz)
SIM
V3 Viper
Nano-SIM + Micro-SIM
X4 Soul Mini
Nano-SIM + Micro-SIM
Type
V3 Viper
IPS LCD
X4 Soul Mini
IPS LCD
Size
V3 Viper
5.5 inches, 78.1 cm2 (~73.3% screen-to-body ratio)
X4 Soul Mini
5.0 inches, 68.9 cm2 (~65.0% screen-to-body ratio)
Resolution
V3 Viper
720 x 1440 pixels, 18:9 ratio (~293 ppi density)
X4 Soul Mini
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
V3 Viper
Corning Gorilla Glass 3
X4 Soul Mini
Asahi Dragontrail Glass
OS
V3 Viper
Android 8.0 (Oreo)
X4 Soul Mini
Android 7.0 (Nougat)
Chipset
V3 Viper
Mediatek MT6737 (28 nm)
X4 Soul Mini
Mediatek MT6737 (28 nm)
CPU
V3 Viper
Quad-core 1.3 GHz Cortex-A53
X4 Soul Mini
Quad-core 1.25 GHz Cortex-A53
GPU
V3 Viper
Mali-T720MP2
X4 Soul Mini
Mali-T720MP2
Card slot
V3 Viper
microSDXC (uses shared SIM slot)
X4 Soul Mini
microSDXC (uses shared SIM slot)
Internal
V3 Viper
32GB 3GB RAM
X4 Soul Mini
16GB 2GB RAM, 16GB 3GB RAM
Other
V3 Viper
eMMC 5.0
X4 Soul Mini
eMMC 5.0
Single
V3 Viper
13 MP, AF
X4 Soul Mini
13 MP, 1/3.1", 1.12µm, PDAF
Features
V3 Viper
LED flash, HDR
X4 Soul Mini
LED flash, panorama, HDR
Video
V3 Viper
1080p@30fps
X4 Soul Mini
1080p@30fps
Single
V3 Viper
13 MP
X4 Soul Mini
8 MP
Features
V3 Viper
LED flash
X4 Soul Mini
-
Video
V3 Viper
X4 Soul Mini
Loudspeaker
V3 Viper
Yes
X4 Soul Mini
Yes
3.5mm jack
V3 Viper
Yes
X4 Soul Mini
Yes
WLAN
V3 Viper
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
X4 Soul Mini
Wi-Fi 802.11 b/g/n
Bluetooth
V3 Viper
4.2, A2DP, LE
X4 Soul Mini
4.0, A2DP, EDR
Positioning
V3 Viper
GPS
X4 Soul Mini
GPS
NFC
V3 Viper
No
X4 Soul Mini
No
Infrared port
V3 Viper
Yes
X4 Soul Mini
-
Radio
V3 Viper
FM radio
X4 Soul Mini
FM radio
USB
V3 Viper
microUSB 2.0
X4 Soul Mini
microUSB 2.0
Sensors
V3 Viper
Fingerprint (rear-mounted), accelerometer, proximity, compass
X4 Soul Mini
Fingerprint (rear-mounted), accelerometer, proximity
Type
V3 Viper
Li-Po 3000 mAh, non-removable
X4 Soul Mini
Li-Po 2500 mAh, non-removable
Colors
V3 Viper
Black, Silver, Gold
X4 Soul Mini
Black, Gold
SAR EU
V3 Viper
1.26 W/kg (head)
X4 Soul Mini
0.61 W/kg (head)
Price
V3 Viper
About 220 EUR
X4 Soul Mini
-