BLU Grand Max 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

    Roar: 6.7 mm narrower

    Grand Max:
    72.1 mm
    Roar:
    65.4 mm
  • Screen diagonal

    Roar: 0.5 in smaller diagonal

    Grand Max:
    5 in
    Roar:
    4.5 in
  • Depth

    Grand Max: 1.2 mm thinner

    Grand Max:
    7.8 mm
    Roar:
    9 mm
  • Height

    Roar: 12 mm shorter

    Grand Max:
    145 mm
    Roar:
    133 mm
  • Release year

    Grand Max:
    2017
    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. Grand Max

    Height:
    145 mm +12 mm versus Roar
    Width:
    72.1 mm +6.7 mm versus Roar
    Depth:
    7.8 mm
    Weight:
    154 g
  2. 2. Roar

    Height:
    133 mm
    Width:
    65.4 mm
    Depth:
    9 mm +1.2 mm versus Grand Max
    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. Grand Max

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

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

Grand Max has approximately 23.5% more rectangular screen area than Roar.

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 Grand Max, Roar, compared at the same storage capacity.
StorageGrand MaxRoar
8 GB Recorded for all phones 1 GB RAM 1 GB 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. Grand Max

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. Grand Max

    2200 mAh

    +400 mAh versus Roar

  2. 2. Roar

    1800 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. Grand Max2. Roar

Everyday essentials
Everyday essentials — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
Dimensions (HxWxD)
  • 145 Х 72.1 Х 7.8 mm
  • 133 Х 65.4 Х 9 mm
Weight
  • 154 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB 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.
  • 2200 mAh
  • Non-removable Li-Po
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6580 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.9%
  • 64.2%
PPI /points per inch/
  • 294 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • 2 MP
Performance
Performance — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2
  • Mali-400MP2
General specs
General specs — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
Release date
  • 2017
  • January
  • 2015
  • November
Colors
  • Gold
  • Gray
  • Rose Gold
  • Black
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 650 h (3G) Talking time- Up to 24 h (2G) / Up to 14 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
SIM card
  • Dual SIM (Micro-SIM/Nano-SIM)
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with 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 Grand Max, Roar.
SpecificationGrand MaxRoar
Radio Unknown
  • FM radio
Other features
Other features — specifications for Grand Max, Roar.
SpecificationGrand MaxRoar
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Yes