Celkon Q519 vs Coolpad Defiant

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

    Q519: 15.3 g lighter

    Q519:
    169 g
    Defiant:
    184.3 g
  • Width

    Defiant: 1.8 mm narrower

    Q519:
    73.2 mm
    Defiant:
    71.4 mm
  • Chipset

    Q519:
    Spreadtrum 7731
    Defiant:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    Q519: 0.8 mm thinner

    Q519:
    9.4 mm
    Defiant:
    10.2 mm
  • Release year

    Q519:
    2015
    Defiant:
    2017

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. Q519

    Height:
    145.2 mm
    Width:
    73.2 mm +1.8 mm versus Defiant
    Depth:
    9.4 mm
  2. 2. Defiant

    Height:
    144.5 mm
    Width:
    71.4 mm
    Depth:
    10.2 mm +0.8 mm versus Q519

Weight

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

  1. 1. Q519

    169 g

  2. 2. Defiant

    184.3 g

    +15.3 g versus Q519

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. Q519

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

    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 Q519, Defiant, compared at the same storage capacity.
StorageQ519Defiant
8 GB Unknown 1 GB RAM
Q519: 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. Q519

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

2. Defiant

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. Q519

    2000 mAh

  2. 2. Defiant

    2450 mAh

    +450 mAh versus Q519

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. Q5192. Defiant

Everyday essentials
Everyday essentials — specifications for Q519, Defiant.
SpecificationQ519Defiant
Dimensions (HxWxD)
  • 145.2 Х 73.2 Х 9.4 mm
  • 144.5 Х 71.4 Х 10.2 mm
Weight
  • 169 g
  • 184.3 g
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.
  • 4 GB
  • 512 MB 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.
  • 2000 mAh
  • Li-Ion
  • 2450 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.0 (Nougat)
Chipset
  • Spreadtrum 7731
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q519, Defiant.
SpecificationQ519Defiant
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.8%
  • 66.8%
PPI /points per inch/
  • 196 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Q519, Defiant.
SpecificationQ519Defiant
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p@24fps
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 Q519, Defiant.
SpecificationQ519Defiant
Processor CPU
  • Quad-core 1.2 GHz
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 306
Antutu 7 score * Unknown
  • 30520
General specs
General specs — specifications for Q519, Defiant.
SpecificationQ519Defiant
Release date
  • 2015
  • May
  • 2017
  • June
Colors
  • Black
  • White
  • Light Blue
  • Dark Blue
  • Green
  • Red
  • Storm Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 100 USD
Battery life Unknown
  • Stand by time- Up to 216 h (3G) Talking time- Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Q519, Defiant.
SpecificationQ519Defiant
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • 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)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.52 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q519, Defiant.
SpecificationQ519Defiant
Radio
  • FM radio
  • No
Other features
Other features — specifications for Q519, Defiant.
SpecificationQ519Defiant
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer For USA