Coolpad Cool Play 8 vs T-Mobile Sidekick 3

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

    Cool Play 8: 13 g lighter

    Cool Play 8:
    177 g
    Sidekick 3:
    190 g
  • Width

    Sidekick 3: 15.8 mm narrower

    Cool Play 8:
    74.8 mm
    Sidekick 3:
    59 mm
  • Screen diagonal

    Sidekick 3: 3.6 in smaller diagonal

    Cool Play 8:
    6.2 in
    Sidekick 3:
    2.6 in
  • Rear camera layout

    Cool Play 8:
    Dual
    Sidekick 3:
    Single
  • Depth

    Cool Play 8: 13.5 mm thinner

    Cool Play 8:
    8.5 mm
    Sidekick 3:
    22 mm
  • Height

    Sidekick 3: 25.5 mm shorter

    Cool Play 8:
    155.5 mm
    Sidekick 3:
    130 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 Play 8

    Height:
    155.5 mm +25.5 mm versus Sidekick 3
    Width:
    74.8 mm +15.8 mm versus Sidekick 3
    Depth:
    8.5 mm
  2. 2. Sidekick 3

    Height:
    130 mm
    Width:
    59 mm
    Depth:
    22 mm +13.5 mm versus Cool Play 8

Weight

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

  1. 1. Cool Play 8

    177 g

  2. 2. Sidekick 3

    190 g

    +13 g versus Cool Play 8

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 Play 8

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.7:9
    Approximate rectangular screen area:
    96.9 cm²
  2. 2. Sidekick 3

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    20.1 cm²

Cool Play 8 has approximately 381.4% more rectangular screen area than Sidekick 3.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Cool Play 8: Original memory entry

64 GB · 512GB 4GB

Sidekick 3: Original memory entry

64 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 Play 8

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

2. Sidekick 3

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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 Play 8

    4000 mAh

    +2500 mAh versus Sidekick 3

  2. 2. Sidekick 3

    1500 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 Play 82. Sidekick 3

Everyday essentials
Everyday essentials — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Dimensions (HxWxD)
  • 155.5 Х 74.8 Х 8.5 mm
  • 130 Х 59 Х 22 mm
Weight
  • 177 g
  • 190 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 2.6" inch
Screen resolution
  • 1080 x 2246 px
  • 160 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64 MB RAM
Memory card support
  • microSD
  • up to 128 GB
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8 (Oreo); Cool UI 9
  • Danger 3.0
Chipset
  • Mediatek MT6750 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 96.9 cm2
  • 20.1 cm2
Screen format
  • 18.7:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 83.3%
  • 26.2%
PPI /points per inch/
  • 402 PPI
  • 111 PPI
Camera and Video
Camera and Video — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Rear camera, main
  • 16 MP
  • Dual
  • 1.3 MP
  • Single
Camera specs
  • 16 MP
  • AF -2 MP
  • depth sensor
  • 1.3 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • No
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Unknown
Graphics processor GPU
  • Mali-T860MP2
Unknown
Antutu 7 score *
  • 52723
Unknown
General specs
General specs — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Release date
  • 2018
  • December
  • 2006
  • June
Colors
  • Black
  • Red
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 72 h Talking time- Up to 4 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Unknown
Speed
  • HSPA
  • LTE
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 1.1
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 1.2
Music and Audio
Music and Audio — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Swivel display
Other features
Other features — specifications for Cool Play 8, Sidekick 3.
SpecificationCool Play 8Sidekick 3
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Charging 5V/2A 10W
  • MP3 audio player -Voice memo