Coolpad Defiant vs Lenovo A3900

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

    A3900: 27.3 g lighter

    Defiant:
    184.3 g
    A3900:
    157 g
  • Chipset

    Defiant:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
    A3900:
    Mediatek MT6752 (28 nm)
  • Depth

    A3900: 1.2 mm thinner

    Defiant:
    10.2 mm
    A3900:
    9 mm
  • Release year

    Defiant:
    2017
    A3900:
    2015

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. Defiant

    Height:
    144.5 mm
    Width:
    71.4 mm
    Depth:
    10.2 mm +1.2 mm versus A3900
  2. 2. A3900

    Height:
    142.8 mm
    Width:
    71.8 mm
    Depth:
    9 mm

Weight

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

  1. 1. Defiant

    184.3 g

    +27.3 g versus A3900

  2. 2. A3900

    157 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. Defiant

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A3900

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 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 Defiant, A3900, compared at the same storage capacity.
StorageDefiantA3900
8 GB 1 GB RAM Unknown
A3900: 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. Defiant

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

2. A3900

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

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. Defiant

    2450 mAh

    +150 mAh versus A3900

  2. 2. A3900

    2300 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. Defiant2. A3900

Everyday essentials
Everyday essentials — specifications for Defiant, A3900.
SpecificationDefiantA3900
Dimensions (HxWxD)
  • 144.5 Х 71.4 Х 10.2 mm
  • 142.8 Х 71.8 Х 9 mm
Weight
  • 184.3 g
  • 157 g
Technology Unknown
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2450 mAh
  • Li-Ion
  • 2300 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Mediatek MT6752 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Defiant, A3900.
SpecificationDefiantA3900
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.8%
  • 67.2%
PPI /points per inch/
  • 196 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Defiant, A3900.
SpecificationDefiantA3900
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@24fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance

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

Performance — specifications for Defiant, A3900.
SpecificationDefiantA3900
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • Octa-core 1.2 GHz Cortex-A53
Graphics processor GPU
  • Adreno 306
  • Mali-T760MP2
Antutu 7 score *
  • 30520
Unknown
General specs
General specs — specifications for Defiant, A3900.
SpecificationDefiantA3900
Release date
  • 2017
  • June
  • 2015
  • May
Colors
  • Storm Gray
  • Black
  • Pearl White
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 USD
  • 70 EUR
Battery life
  • Stand by time- Up to 216 h (3G) Talking time- Up to 15 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Defiant, A3900.
SpecificationDefiantA3900
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Defiant, A3900.
SpecificationDefiantA3900
Radio
  • No
  • No
Other features
Other features — specifications for Defiant, A3900.
SpecificationDefiantA3900
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity - Preliminary specifications