Oppo A39 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.

  • Weight

    A39: 25 g lighter

    A39:
    147 g
    Spark CM:
    172 g
  • Width

    Spark CM: 1.2 mm narrower

    A39:
    72.9 mm
    Spark CM:
    71.7 mm
  • Screen diagonal

    A39: 0.5 in smaller diagonal

    A39:
    5.2 in
    Spark CM:
    5.7 in
  • Chipset

    A39:
    Mediatek MT6750 (28 nm)
    Spark CM:
    Mediatek MT6737
  • Depth

    Spark CM: 2.1 mm thinner

    A39:
    7.7 mm
    Spark CM:
    5.6 mm
  • Height

    A39: 3.1 mm shorter

    A39:
    149.1 mm
    Spark CM:
    152.2 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. A39

    Height:
    149.1 mm
    Width:
    72.9 mm +1.2 mm versus Spark CM
    Depth:
    7.7 mm +2.1 mm versus Spark CM
  2. 2. Spark CM

    Height:
    152.2 mm +3.1 mm versus A39
    Width:
    71.7 mm
    Depth:
    5.6 mm

Weight

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

  1. 1. A39

    147 g

  2. 2. Spark CM

    172 g

    +25 g versus A39

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. A39

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

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

Spark CM has approximately 12.5% more rectangular screen area than A39.

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 A39, Spark CM, compared at the same storage capacity.
StorageA39Spark 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. A39

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated 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. A39

    2900 mAh

  2. 2. Spark CM

    3050 mAh

    +150 mAh versus A39

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. A392. Spark CM

Everyday essentials
Everyday essentials — specifications for A39, Spark CM.
SpecificationA39Spark CM
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 152.2 Х 71.7 Х 5.6 mm
Weight
  • 147 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.2" 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 (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 3050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop); ColorOS 3
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6750 (28 nm)
  • Mediatek MT6737
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A39, Spark CM.
SpecificationA39Spark CM
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 83.8 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 68.6%
  • 76.8%
PPI /points per inch/
  • 282 PPI
  • 282 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for A39, Spark CM.
SpecificationA39Spark CM
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
  • 13 MP
  • f/2.0
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 1/4''
  • 1.4µm
  • 8 MP
Performance

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

Performance — specifications for A39, Spark CM.
SpecificationA39Spark CM
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-T860MP2
  • Mali-T720MP2
GeekBench 4 Single Core *
  • 639
Unknown
GeekBench 4 Multi-Core *
  • 2481
Unknown
GeekBench 4 RenderScript *
  • 1870
Unknown
General specs
General specs — specifications for A39, Spark CM.
SpecificationA39Spark CM
Release date
  • 2017
  • March
  • 2017
  • December
Colors
  • Gold
  • Rose Gold
  • Midnight Black
  • Champagne Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Body build
  • aluminum body
  • plastic ends
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A39, Spark CM.
SpecificationA39Spark CM
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)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 20(800)
  • 28(700)
  • 39(1900)
  • 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 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • 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 On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A39, Spark CM.
SpecificationA39Spark CM
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A39, Spark CM.
SpecificationA39Spark CM
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity