Allview Viper E vs Lenovo K8

Compare recorded specifications, size and practical differences.

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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.

  • Weight

    Viper E: 42.5 g lighter

    Viper E:
    122.5 g
    K8:
    165 g
  • Width

    Viper E: 8.7 mm narrower

    Viper E:
    65 mm
    K8:
    73.7 mm
  • Screen diagonal

    Viper E: 0.7 in smaller diagonal

    Viper E:
    4.5 in
    K8:
    5.2 in
  • Chipset

    Viper E:
    Mediatek MT6582 (28 nm)
    K8:
    Mediatek MT6757 Helio P20 (16 nm)
  • Depth

    Viper E: 0.8 mm thinner

    Viper E:
    7.8 mm
    K8:
    8.6 mm
  • Height

    Viper E: 16.9 mm shorter

    Viper E:
    131 mm
    K8:
    147.9 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.

  1. 1. Viper E

    Height:
    131 mm
    Width:
    65 mm
    Depth:
    7.8 mm
  2. 2. K8

    Height:
    147.9 mm +16.9 mm versus Viper E
    Width:
    73.7 mm +8.7 mm versus Viper E
    Depth:
    8.6 mm +0.8 mm versus Viper E

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Viper E

    122.5 g

  2. 2. K8

    165 g

    +42.5 g versus Viper E

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Viper E

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. K8

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

K8 has approximately 33.5% more rectangular screen area than Viper E.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Viper E, K8, compared at the same storage capacity.
StorageViper EK8
8 GB 1 GB RAM Not recorded
32 GB Not recorded 3 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Viper E

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. K8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Viper E

    1800 mAh

  2. 2. K8

    4000 mAh

    +2200 mAh versus Viper E

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Viper E2. K8

Everyday essentials
Everyday essentials — specifications for Viper E, K8.
SpecificationViper EK8
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 147.9 Х 73.7 Х 8.6 mm
Weight
  • 122.5 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.2" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8.0 (Oreo)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6757 Helio P20 (16 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Viper E, K8.
SpecificationViper EK8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 68.4%
PPI /points per inch/
  • 218 PPI
  • 282 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Viper E, K8.
SpecificationViper EK8
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • PDAF
Functions
  • Dual-LED flash
  • HDR
  • LED
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Viper E, K8.
SpecificationViper EK8
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T880MP2
GeekBench 4 Single Core * Unknown
  • 920
GeekBench 4 Multi-Core * Unknown
  • 3919
General specs
General specs — specifications for Viper E, K8.
SpecificationViper EK8
Release date
  • 2014
  • September
  • 2017
  • September
Colors
  • Black
  • White
  • Black
  • White/Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
  • Stand by time- Up to 456 h (3G) Talking time- Up to 32 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Viper E, K8.
SpecificationViper EK8
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • 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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Viper E, K8.
SpecificationViper EK8
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
  • Active noise cancellation with dedicated mic -Dolby Atmos sound enhancement
Other features
Other features — specifications for Viper E, K8.
SpecificationViper EK8
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass