QMobile J7 Pro vs TECNO Spark CM

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: 4.9 mm narrower

    J7 Pro:
    76.6 mm
    Spark CM:
    71.7 mm
  • Screen diagonal

    J7 Pro: 0.2 in smaller diagonal

    J7 Pro:
    5.5 in
    Spark CM:
    5.7 in
  • Chipset

    J7 Pro:
    Mediatek MT6737T (28 nm)
    Spark CM:
    Mediatek MT6737
  • Depth

    Spark CM: 3.6 mm thinner

    J7 Pro:
    9.2 mm
    Spark CM:
    5.6 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. J7 Pro

    Height:
    154 mm
    Width:
    76.6 mm +4.9 mm versus Spark CM
    Depth:
    9.2 mm +3.6 mm versus Spark CM
  2. 2. Spark CM

    Height:
    152.2 mm
    Width:
    71.7 mm
    Depth:
    5.6 mm

Weight

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

  1. 1. J7 Pro

    175 g

    +3 g versus Spark CM

  2. 2. Spark CM

    172 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. J7 Pro

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Spark CM

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

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 J7 Pro, Spark CM, compared at the same storage capacity.
StorageJ7 ProSpark CM
16 GB Not recorded 2 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. J7 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Spark CM

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. J7 Pro

    3150 mAh

    +100 mAh versus Spark CM

  2. 2. Spark CM

    3050 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. J7 Pro2. Spark CM

Everyday essentials
Everyday essentials — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Dimensions (HxWxD)
  • 154 Х 76.6 Х 9.2 mm
  • 152.2 Х 71.7 Х 5.6 mm
Weight
  • 175 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3150 mAh
  • Non-removable Li-Po
  • 3050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6737T (28 nm)
  • Mediatek MT6737
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 83.8 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 70.7%
  • 76.8%
PPI /points per inch/
  • 267 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • PDAF
  • 13 MP
  • f/2.0
  • AF
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • 8 MP
Performance

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

Performance — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720
  • Mali-T720MP2
Antutu 7 score *
  • 30262
Unknown
GeekBench 4 Single Core *
  • 700
Unknown
GeekBench 4 Multi-Core *
  • 3318
Unknown
General specs
General specs — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Release date
  • 2017
  • May
  • 2017
  • December
Colors
  • Gold
  • Blue
  • Midnight Black
  • Champagne Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 18000 INR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
SIM card
  • Hybrid 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
  • 41(2500)
  • 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)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • 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
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for J7 Pro, Spark CM.
SpecificationJ7 ProSpark CM
Dop
  • Sensors Accelerometer
  • proximity
  • compass - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity