Lenovo K8 vs Unnecto Bolt

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

    K8: 5 g lighter

    K8:
    165 g
    Bolt:
    170 g
  • Screen diagonal

    Bolt: 0.2 in smaller diagonal

    K8:
    5.2 in
    Bolt:
    5 in
  • Depth

    K8: 0.6 mm thinner

    K8:
    8.6 mm
    Bolt:
    9.2 mm
  • Height

    Bolt: 2.7 mm shorter

    K8:
    147.9 mm
    Bolt:
    145.2 mm
  • Release year

    K8:
    2017
    Bolt:
    2016

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. K8

    Height:
    147.9 mm +2.7 mm versus Bolt
    Width:
    73.7 mm
    Depth:
    8.6 mm
  2. 2. Bolt

    Height:
    145.2 mm
    Width:
    73.5 mm
    Depth:
    9.2 mm +0.6 mm versus K8

Weight

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

  1. 1. K8

    165 g

  2. 2. Bolt

    170 g

    +5 g versus K8

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. K8

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

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

K8 has approximately 8.2% more rectangular screen area than Bolt.

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 K8, Bolt, compared at the same storage capacity.
StorageK8Bolt
8 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

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

1. K8

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

2. Bolt

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. K8

    4000 mAh

    +2000 mAh versus Bolt

  2. 2. Bolt

    2000 mAh

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. K82. Bolt

Everyday essentials
Everyday essentials — specifications for K8, Bolt.
SpecificationK8Bolt
Dimensions (HxWxD)
  • 147.9 Х 73.7 Х 8.6 mm
  • 145.2 Х 73.5 Х 9.2 mm
Weight
  • 165 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.2" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6757 Helio P20 (16 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K8, Bolt.
SpecificationK8Bolt
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 68.4%
  • 64.6%
PPI /points per inch/
  • 282 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for K8, Bolt.
SpecificationK8Bolt
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • PDAF
  • 8 MP
  • PDAF
Functions
  • LED
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • 2 MP
  • AF
Performance

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

Performance — specifications for K8, Bolt.
SpecificationK8Bolt
Processor CPU
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
  • Quad-core 1.1 GHz
Graphics processor GPU
  • Mali-T880MP2
  • Adreno 304
GeekBench 4 Single Core *
  • 920
Unknown
GeekBench 4 Multi-Core *
  • 3919
Unknown
General specs
General specs — specifications for K8, Bolt.
SpecificationK8Bolt
Release date
  • 2017
  • September
  • 2016
  • June
Colors
  • Black
  • White/Gold
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
Unknown
Battery life
  • Stand by time- Up to 456 h (3G) Talking time- Up to 32 h (3G)
  • Stand by time- Up to 200 h (2G) / Up to 175 h (3G) Talking time- Up to 6 h (2G) / Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for K8, Bolt.
SpecificationK8Bolt
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 12(700)
  • 17(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.1
  • LE
Harmful irradiation Unknown
  • SAR - 1.25 W/kg (head) 1.15 W/kg (body)
Music and Audio
Music and Audio — specifications for K8, Bolt.
SpecificationK8Bolt
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos sound enhancement
Unknown
Other features
Other features — specifications for K8, Bolt.
SpecificationK8Bolt
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity