Coolpad Cool 12A vs BLU Studio J8M LTE

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 J8M LTE: 62.5 g lighter

    Cool 12A:
    202.5 g
    Studio J8M LTE:
    140 g
  • Width

    Studio J8M LTE: 3.2 mm narrower

    Cool 12A:
    75.2 mm
    Studio J8M LTE:
    72 mm
  • Screen diagonal

    Studio J8M LTE: 1.3 in smaller diagonal

    Cool 12A:
    6.3 in
    Studio J8M LTE:
    5 in
  • Rear camera layout

    Cool 12A:
    Dual
    Studio J8M LTE:
    Single
  • Depth

    Cool 12A: 0.5 mm thinner

    Cool 12A:
    8.9 mm
    Studio J8M LTE:
    9.4 mm
  • Height

    Studio J8M LTE: 11.2 mm shorter

    Cool 12A:
    156.2 mm
    Studio J8M LTE:
    145 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 +11.2 mm versus Studio J8M LTE
    Width:
    75.2 mm +3.2 mm versus Studio J8M LTE
    Depth:
    8.9 mm
  2. 2. Studio J8M LTE

    Height:
    145 mm
    Width:
    72 mm
    Depth:
    9.4 mm +0.5 mm versus Cool 12A

Weight

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

  1. 1. Cool 12A

    202.5 g

    +62.5 g versus Studio J8M LTE

  2. 2. Studio J8M LTE

    140 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 J8M LTE

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

Cool 12A has approximately 41.4% more rectangular screen area than Studio J8M LTE.

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 J8M LTE, compared at the same storage capacity.
StorageCool 12AStudio J8M LTE
16 GB Not recorded 2 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 J8M LTE

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

    +2000 mAh versus Studio J8M LTE

  2. 2. Studio J8M LTE

    2000 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 J8M LTE

Everyday essentials
Everyday essentials — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
Dimensions (HxWxD)
  • 156.2 Х 75.2 Х 8.9 mm
  • 145 Х 72 Х 9.4 mm
Weight
  • 202.5 g
  • 140 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.3" inc
  • 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
  • 16 GB
  • 2 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
  • 2000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android
  • Android 7.0 (Nougat)
Chipset
  • - Unisoc Tiger T310
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 68.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.9%
  • 66.0%
PPI /points per inch/ Unknown
  • 294 PPI
Camera and Video
Camera and Video — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
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 J8M LTE.
SpecificationCool 12AStudio J8M LTE
Processor CPU
  • - Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720
General specs
General specs — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
Release date
  • 2020
  • October 05
  • 2018
  • February
Colors
  • Dream Black
  • Dream Blue
  • Fantasy Silver
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 100 USD
Battery life Unknown
  • Stand by time- Up to 600 h (2G) / Up to 500 h (3G) Talking time- Up to 24 h (2G) / Up to 14 h (3G)
Body build
  • Glass front
  • plastic frame
  • glass back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
SIM card
  • Nano-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • 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 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
Bluetooth
  • 4.2
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Cool 12A, Studio J8M LTE.
SpecificationCool 12AStudio J8M LTE
Dop
  • - Sensors - Fingerprint (side-mounted)
  • accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity