Coolpad Cool 12A vs Celkon Q450

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

    Q450: 55.5 g lighter

    Cool 12A:
    202.5 g
    Q450:
    147 g
  • Width

    Q450: 7.5 mm narrower

    Cool 12A:
    75.2 mm
    Q450:
    67.7 mm
  • Screen diagonal

    Q450: 1.8 in smaller diagonal

    Cool 12A:
    6.3 in
    Q450:
    4.5 in
  • Rear camera layout

    Cool 12A:
    Dual
    Q450:
    Single
  • Depth

    Cool 12A: 0.8 mm thinner

    Cool 12A:
    8.9 mm
    Q450:
    9.7 mm
  • Height

    Q450: 21.2 mm shorter

    Cool 12A:
    156.2 mm
    Q450:
    135 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. Cool 12A

    Height:
    156.2 mm +21.2 mm versus Q450
    Width:
    75.2 mm +7.5 mm versus Q450
    Depth:
    8.9 mm
  2. 2. Q450

    Height:
    135 mm
    Width:
    67.7 mm
    Depth:
    9.7 mm +0.8 mm versus Cool 12A

Weight

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

  1. 1. Cool 12A

    202.5 g

    +55.5 g versus Q450

  2. 2. Q450

    147 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. Cool 12A

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. Q450

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

Cool 12A has approximately 69% more rectangular screen area than Q450.

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 Cool 12A, Q450, compared at the same storage capacity.
StorageCool 12AQ450
64 GB 4 GB RAM Unknown
Q450: 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. Cool 12A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD

2. Q450

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. Cool 12A

    4000 mAh

    +2200 mAh versus Q450

  2. 2. Q450

    1800 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. Cool 12A2. Q450

Everyday essentials
Everyday essentials — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Dimensions (HxWxD)
  • 156.2 Х 75.2 Х 8.9 mm
  • 135 Х 67.7 Х 9.7 mm
Weight
  • 202.5 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.3" inc
  • 4.5" inch
Screen resolution
  • 720 x 1560 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Li-Po
  • non-removable
  • 1800 mAh
  • Li-Ion
Operating system OS
  • Android
  • Android 4.4.2 (KitKat)
Chipset
  • - Unisoc Tiger T310
  • Spreadtrum 7731
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.4 cm2
  • 57.6 cm2
Screen format
  • 19.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.9%
  • 63.1%
PPI /points per inch/ Unknown
  • 207 PPI
Camera and Video
Camera and Video — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Rear camera, main
  • 16 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • -16 MP
  • PDAF -2 MP
  • 5 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • 2 MP
Performance
Performance — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Processor CPU
  • - Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
  • Quad-core 1.2 GHz
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Release date
  • 2020
  • October 05
  • 2015
  • April
Colors
  • Dream Black
  • Dream Blue
  • Fantasy Silver
  • Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Body build
  • Glass front
  • plastic frame
  • glass back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
SIM card
  • Nano-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • USB Type-C 2.0
  • microUSB
Bluetooth
  • 4.2
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Music and Audio
Music and Audio — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Cool 12A, Q450.
SpecificationCool 12AQ450
Dop
  • - Sensors - Fingerprint (side-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity