Allview Viper E vs LG K40

Compare recorded specifications, size and practical differences.

Allview Viper E

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LG K40

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

WeightViper E: 27.5 g lighterViper E: 122.5 g · K40: 150 g
WidthViper E: 6.9 mm narrowerViper E: 65 mm · K40: 71.9 mm
Screen diagonalViper E: 1.2 in smaller diagonalViper E: 4.5 in · K40: 5.7 in
ChipsetMediatek MT6582 (28 nm) / Mediatek MT6762 Helio P22 (12 nm)Viper E: Mediatek MT6582 (28 nm) · K40: Mediatek MT6762 Helio P22 (12 nm)
DepthViper E: 0.5 mm thinnerViper E: 7.8 mm · K40: 8.3 mm
HeightViper E: 22 mm shorterViper E: 131 mm · K40: 153 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. Viper E
Height
131 mm
Width
65 mm
Depth
7.8 mm

Weight
122.5 g
2. K40
Height
153 mm
Width
71.9 mm
Depth
8.3 mm

Weight
150 g

Specifications

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Everyday essentials

Everyday essentials
Specification	Viper E	K40
Dimensions (HxWxD)	131 Х 65 Х 7.8 mm	153 Х 71.9 Х 8.3 mm
Weight	122.5 g	150 g
Technology	IPS LCD	IPS LCD
Screen size	4.5" inch	5.7" inch
Screen resolution	480 x 854 px	720 x 1440 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	32 GB 2/3 GB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	microSD up to 512 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	1800 mAh Removable Li-Ion	3000 mAh Non-removable Li-Ion
Operating system OS	Android 5.0 (Lollipop)	Android 8.1 (Oreo)
Chipset	Mediatek MT6582 (28 nm)	Mediatek MT6762 Helio P22 (12 nm)
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Viper E	K40
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	55.8 cm2	83.8 cm2
Screen format	16:9 (height:width)	18:9 (height:width)
Screen to body ratio	127.3 Х 65.5 Х 10 mm	76.2%
PPI /points per inch/	218 PPI	282 PPI
Screen protection	Asahi Dragontrail Glass	Unknown

Camera and Video

Camera and Video
Specification	Viper E	K40
Rear camera, main	8 MP Single	16 MP Single
Camera specs	8 MP AF	16 MP f/2.0 PDAF
Functions	Dual-LED flash HDR	LED flash
Video	1080p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	8 MP Single
Specifications	2 MP	8 MP f/2.0

Performance

Performance
Specification	Viper E	K40
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	Mali-400MP2 Z525 -Mali-T720MP2 Z528	PowerVR GE8320
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	75203

General specs

General specs
Specification	Viper E	K40
Release date	2014 September	2019 February
Colors	Black White	Black Platinum Blue
Battery life	Stand by time- Up to 225 h Talking time- Up to 9 h 15 min	Unknown
Body build	Unknown	Front glass plastic body

Communication and Connectivity

Communication and Connectivity
Specification	Viper E	K40
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed	HSPA 21.1/5.76 Mbps	HSPA LTE-A
GPRS	Class 12	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.0 A2DP EDR	5.0 A2DP LE
Harmful irradiation	SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	Viper E	K40
Radio	FM radio	FM radio
Others	DTS sound -Yamaha amplifier	DTS: X Surround Sound -Active noise cancellation with dedicated mic

Other features

Other features
Specification	Viper E	K40
Dop	Sensors Accelerometer proximity compass	Sensors Fingerprint (rear-mounted) accelerometer proximity - MIL-STD-810G compliant - Also known as LG K12+ LG K12 Plus LG X4 (2019)