TECNO Spark CM 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.

  • Width

    Spark CM: 1.8 mm narrower

    Spark CM:
    71.7 mm
    Bolt:
    73.5 mm
  • Screen diagonal

    Bolt: 0.7 in smaller diagonal

    Spark CM:
    5.7 in
    Bolt:
    5 in
  • Depth

    Spark CM: 3.6 mm thinner

    Spark CM:
    5.6 mm
    Bolt:
    9.2 mm
  • Height

    Bolt: 7 mm shorter

    Spark CM:
    152.2 mm
    Bolt:
    145.2 mm
  • Release year

    Spark CM:
    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. Spark CM

    Height:
    152.2 mm +7 mm versus Bolt
    Width:
    71.7 mm
    Depth:
    5.6 mm
  2. 2. Bolt

    Height:
    145.2 mm
    Width:
    73.5 mm +1.8 mm versus Spark CM
    Depth:
    9.2 mm +3.6 mm versus Spark CM

Weight

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

  1. 1. Spark CM

    172 g

    +2 g versus Bolt

  2. 2. Bolt

    170 g

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. Spark CM

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. Bolt

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

Spark CM has approximately 21.7% 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 Spark CM, Bolt, compared at the same storage capacity.
StorageSpark CMBolt
8 GB Not recorded 1 GB RAM
16 GB 2 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. Spark CM

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

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. Spark CM

    3050 mAh

    +1050 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. Spark CM2. Bolt

Everyday essentials
Everyday essentials — specifications for Spark CM, Bolt.
SpecificationSpark CMBolt
Dimensions (HxWxD)
  • 152.2 Х 71.7 Х 5.6 mm
  • 145.2 Х 73.5 Х 9.2 mm
Weight
  • 172 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3050 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6737
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Spark CM, Bolt.
SpecificationSpark CMBolt
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 68.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.8%
  • 64.6%
PPI /points per inch/
  • 282 PPI
  • 294 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for Spark CM, Bolt.
SpecificationSpark CMBolt
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF
  • 8 MP
  • PDAF
Functions
  • LED flash
  • 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
Performance — specifications for Spark CM, Bolt.
SpecificationSpark CMBolt
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Quad-core 1.1 GHz
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 304
General specs
General specs — specifications for Spark CM, Bolt.
SpecificationSpark CMBolt
Release date
  • 2017
  • December
  • 2016
  • June
Colors
  • Midnight Black
  • Champagne Gold
  • Black
  • Silver
Battery life Unknown
  • 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 Spark CM, Bolt.
SpecificationSpark CMBolt
SIM card
  • Dual SIM (Micro-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)
  • 8(900)
  • 40(2300)
  • 41(2500)
  • 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
  • LTE-A
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi 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 Spark CM, Bolt.
SpecificationSpark CMBolt
Radio
  • FM radio
  • No
Other features
Other features — specifications for Spark CM, Bolt.
SpecificationSpark CMBolt
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity