Coolpad Cool 12A vs alcatel Idol 4

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

    Idol 4: 67.5 g lighter

    Cool 12A:
    202.5 g
    Idol 4:
    135 g
  • Width

    Idol 4: 2.7 mm narrower

    Cool 12A:
    75.2 mm
    Idol 4:
    72.5 mm
  • Screen diagonal

    Idol 4: 1.1 in smaller diagonal

    Cool 12A:
    6.3 in
    Idol 4:
    5.2 in
  • Rear camera layout

    Cool 12A:
    Dual
    Idol 4:
    Single
  • Depth

    Idol 4: 1.8 mm thinner

    Cool 12A:
    8.9 mm
    Idol 4:
    7.1 mm
  • Height

    Idol 4: 9.2 mm shorter

    Cool 12A:
    156.2 mm
    Idol 4:
    147 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 +9.2 mm versus Idol 4
    Width:
    75.2 mm +2.7 mm versus Idol 4
    Depth:
    8.9 mm +1.8 mm versus Idol 4
  2. 2. Idol 4

    Height:
    147 mm
    Width:
    72.5 mm
    Depth:
    7.1 mm

Weight

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

  1. 1. Cool 12A

    202.5 g

    +67.5 g versus Idol 4

  2. 2. Idol 4

    135 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. Idol 4

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

Cool 12A has approximately 30.7% more rectangular screen area than Idol 4.

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, Idol 4, compared at the same storage capacity.
StorageCool 12AIdol 4
64 GB 4 GB RAM Unknown
Idol 4: Original memory entry

16 GB · 2 GB RAM - 6055Y · 6055K16 GB · 3 GB RAM - 6055B · 6055H · 6055I

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. Idol 4

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Cool 12A

    4000 mAh

    +1390 mAh versus Idol 4

  2. 2. Idol 4

    2610 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. Idol 4

Everyday essentials
Everyday essentials — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Dimensions (HxWxD)
  • 156.2 Х 75.2 Х 8.9 mm
  • 147 Х 72.5 Х 7.1 mm
Weight
  • 202.5 g
  • 135 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 6.3" inc
  • 5.2" inch
Screen resolution
  • 720 x 1560 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 16 GB
  • 2 GB RAM - 6055Y
  • 6055K16 GB
  • 3 GB RAM - 6055B
  • 6055H
  • 6055I
Memory card support
  • microSD
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Li-Po
  • non-removable
  • 2610 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android
  • Android 6.0.1 (Marshmallow)
Chipset
  • - Unisoc Tiger T310
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 74.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.9%
  • 69.9%
PPI /points per inch/ Unknown
  • 424 PPI
Camera and Video
Camera and Video — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Rear camera, main
  • 16 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • -16 MP
  • PDAF -2 MP
  • 13 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • panorama
  • HDR
  • 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 Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Processor CPU
  • - Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
Antutu 7 score * Unknown
  • 44179
GeekBench 4 Single Core * Unknown
  • 693
GeekBench 4 Multi-Core * Unknown
  • 1845
GeekBench 4 RenderScript * Unknown
  • 2027
General specs
General specs — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Release date
  • 2020
  • October 05
  • 2016
  • February
Colors
  • Dream Black
  • Dream Blue
  • Fantasy Silver
  • Gold
  • Dark Gray
  • Rose Gold
  • Metal Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 200 EUR
Battery life Unknown
  • Stand by time- Up to 520 h (2G) / Up to 520 h (3G) Talking time- Up to 15 h (2G) / Up to 15 h (3G)
Body build
  • Glass front
  • plastic frame
  • glass back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
SIM card
  • Nano-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by) - 6055K
  • 6055I
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) -3G - HSDPA 850 / 900 / 1900 / 2100 - 6055Y
  • 6055K
  • 6055B
  • 6055I HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - 6055H -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700) - 6055K LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700)
  • 27(800)
  • 28(700) - 6055H (LTE Cat6) LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 40(2300) - 6055Y LTE band 2(1900)
  • 13(700)
  • 28(700) - 6055B
  • 6055I
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps or LTE-A (2CA) Cat6 300/50 Mbps
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
  • USB Type-C 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Radio
  • FM radio
  • FM radio
  • RDS
Others Unknown
  • Hi-Fi audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Cool 12A, Idol 4.
SpecificationCool 12AIdol 4
Dop
  • - Sensors - Fingerprint (side-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0)