BLU Dash Music JR vs Coolpad Roar

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.

  • Width

    Dash Music JR: 1.6 mm narrower

    Dash Music JR:
    63.8 mm
    Roar:
    65.4 mm
  • Screen diagonal

    Dash Music JR: 0.5 in smaller diagonal

    Dash Music JR:
    4 in
    Roar:
    4.5 in
  • Depth

    Roar: 3.5 mm thinner

    Dash Music JR:
    12.5 mm
    Roar:
    9 mm
  • Height

    Dash Music JR: 8 mm shorter

    Dash Music JR:
    125 mm
    Roar:
    133 mm
  • Release year

    Dash Music JR:
    2014
    Roar:
    2015

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. Dash Music JR

    Height:
    125 mm
    Width:
    63.8 mm
    Depth:
    12.5 mm +3.5 mm versus Roar
    Weight:
    121 g
  2. 2. Roar

    Height:
    133 mm +8 mm versus Dash Music JR
    Width:
    65.4 mm +1.6 mm versus Dash Music JR
    Depth:
    9 mm
    Weight:
    Unknown

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. Dash Music JR

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Roar

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

Roar has approximately 22.6% more rectangular screen area than Dash Music JR.

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 Dash Music JR, Roar, compared at the same storage capacity.
StorageDash Music JRRoar
8 GB Unknown 1 GB RAM
Dash Music JR: Original memory entry

512 MB · 256 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. Dash Music JR

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

2. Roar

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. Dash Music JR

    1450 mAh

  2. 2. Roar

    1800 mAh

    +350 mAh versus Dash Music JR

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. Dash Music JR2. Roar

Everyday essentials
Everyday essentials — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Dimensions (HxWxD)
  • 125 Х 63.8 Х 12.5 mm
  • 133 Х 65.4 Х 9 mm
Weight
  • 121 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1450 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6580 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 64.2%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance
Performance — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Processor CPU
  • Dual-core 1.3 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Mali-400MP2
General specs
General specs — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Release date
  • 2014
  • November
  • 2015
  • November
Colors
  • Grey
  • Orange
  • Yellow
  • Blue
  • Pink
  • White
  • Black
Battery life
  • Stand by time- Up to 600 h Talking time- Up to 18 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
SIM card
  • Dual SIM (Mini-SIM/ Micro-SIM)
  • Nano-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Dash Music JR, Roar.
SpecificationDash Music JRRoar
Dop
  • Sensors Accelerometer
  • Sensors Yes