Coolpad Cool 12A vs BLU Studio J8

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

    Studio J8: 19.5 g lighter

    Cool 12A:
    202.5 g
    Studio J8:
    183 g
  • Width

    Cool 12A: 2.4 mm narrower

    Cool 12A:
    75.2 mm
    Studio J8:
    77.6 mm
  • Screen diagonal

    Studio J8: 0.8 in smaller diagonal

    Cool 12A:
    6.3 in
    Studio J8:
    5.5 in
  • Rear camera layout

    Cool 12A:
    Dual
    Studio J8:
    Single
  • Release year

    Cool 12A:
    2020
    Studio J8:
    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. Cool 12A

    Height:
    156.2 mm
    Width:
    75.2 mm
    Depth:
    8.9 mm
  2. 2. Studio J8

    Height:
    155.7 mm
    Width:
    77.6 mm +2.4 mm versus Cool 12A
    Depth:
    8.9 mm

Weight

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

  1. 1. Cool 12A

    202.5 g

    +19.5 g versus Studio J8

  2. 2. Studio J8

    183 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. Studio J8

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

Cool 12A has approximately 16.8% more rectangular screen area than Studio J8.

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, Studio J8, compared at the same storage capacity.
StorageCool 12AStudio J8
8 GB Not recorded 1 GB RAM
64 GB 4 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. Cool 12A

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

2. Studio J8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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

    +1500 mAh versus Studio J8

  2. 2. Studio J8

    2500 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. Studio J8

Everyday essentials
Everyday essentials — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Dimensions (HxWxD)
  • 156.2 Х 75.2 Х 8.9 mm
  • 155.7 Х 77.6 Х 8.9 mm
Weight
  • 202.5 g
  • 183 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.3" inc
  • 5.5" inch
Screen resolution
  • 720 x 1560 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Li-Po
  • non-removable
  • 2500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android
  • Android 7.0 (Nougat)
Chipset
  • - Unisoc Tiger T310
  • Mediatek MT6580 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 83.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.9%
  • 69.0%
PPI /points per inch/ Unknown
  • 267 PPI
Camera and Video
Camera and Video — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Rear camera, main
  • 16 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • -16 MP
  • PDAF -2 MP
  • 8 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
Performance
Performance — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Processor CPU
  • - Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Release date
  • 2020
  • October 05
  • 2017
  • July
Colors
  • Dream Black
  • Dream Blue
  • Fantasy Silver
  • Black
  • Gold
  • Rose Gold
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 725 h (2G) / Up to 625 h (3G) Talking time- Up to 22 h (2G) / Up to 16 h (3G)
Body build
  • Glass front
  • plastic frame
  • glass back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM/ Micro-SIM)
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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • HSPA 21.1/5.76 Mbps
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
  • Wi-Fi 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
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Cool 12A, Studio J8.
SpecificationCool 12AStudio J8
Dop
  • - Sensors - Fingerprint (side-mounted)
  • accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity