TECNO Spark CM vs Xolo A42

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

    A42: 8.2 mm narrower

    Spark CM:
    71.7 mm
    A42:
    63.5 mm
  • Screen diagonal

    A42: 1.7 in smaller diagonal

    Spark CM:
    5.7 in
    A42:
    4 in
  • Depth

    Spark CM: 4.6 mm thinner

    Spark CM:
    5.6 mm
    A42:
    10.2 mm
  • Height

    A42: 27.7 mm shorter

    Spark CM:
    152.2 mm
    A42:
    124.5 mm
  • Release year

    Spark CM:
    2017
    A42:
    2014

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 +27.7 mm versus A42
    Width:
    71.7 mm +8.2 mm versus A42
    Depth:
    5.6 mm
    Weight:
    172 g
  2. 2. A42

    Height:
    124.5 mm
    Width:
    63.5 mm
    Depth:
    10.2 mm +4.6 mm versus Spark CM
    Weight:
    Unknown

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. A42

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Spark CM has approximately 84.1% more rectangular screen area than A42.

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, A42, compared at the same storage capacity.
StorageSpark CMA42
16 GB 2 GB RAM Unknown
A42: Original memory entry

4 GB · 512 MB 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. Spark CM

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

2. A42

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

    +1650 mAh versus A42

  2. 2. A42

    1400 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. A42

Everyday essentials
Everyday essentials — specifications for Spark CM, A42.
SpecificationSpark CMA42
Dimensions (HxWxD)
  • 152.2 Х 71.7 Х 5.6 mm
  • 124.5 Х 63.5 Х 10.2 mm
Weight
  • 172 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 4" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB 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
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6737
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Spark CM, A42.
SpecificationSpark CMA42
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 45.5 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 76.8%
  • 57.6%
PPI /points per inch/
  • 282 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for Spark CM, A42.
SpecificationSpark CMA42
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF
  • 5 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • 1.3 MP
Performance
Performance — specifications for Spark CM, A42.
SpecificationSpark CMA42
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.3 GHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
General specs
General specs — specifications for Spark CM, A42.
SpecificationSpark CMA42
Release date
  • 2017
  • December
  • 2014
  • July
Colors
  • Midnight Black
  • Champagne Gold
  • Yellow
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Spark CM, A42.
SpecificationSpark CMA42
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE-A
  • HSPA
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.69 W/kg (head) 0.71 W/kg (body)
Music and Audio
Music and Audio — specifications for Spark CM, A42.
SpecificationSpark CMA42
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Spark CM, A42.
SpecificationSpark CMA42
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity