BLU Grand Max vs T-Mobile Comet

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

    Comet: 51.9 g lighter

    Grand Max:
    154 g
    Comet:
    102.1 g
  • Width

    Comet: 16.2 mm narrower

    Grand Max:
    72.1 mm
    Comet:
    55.9 mm
  • Screen diagonal

    Comet: 2.2 in smaller diagonal

    Grand Max:
    5 in
    Comet:
    2.8 in
  • Chipset

    Grand Max:
    Mediatek MT6580 (28 nm)
    Comet:
    Qualcomm MSM7225 Snapdragon S1
  • Depth

    Grand Max: 4.9 mm thinner

    Grand Max:
    7.8 mm
    Comet:
    12.7 mm
  • Height

    Comet: 40.9 mm shorter

    Grand Max:
    145 mm
    Comet:
    104.1 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. Grand Max

    Height:
    145 mm +40.9 mm versus Comet
    Width:
    72.1 mm +16.2 mm versus Comet
    Depth:
    7.8 mm
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +4.9 mm versus Grand Max

Weight

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

  1. 1. Grand Max

    154 g

    +51.9 g versus Comet

  2. 2. Comet

    102.1 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. Grand Max

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

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²

Grand Max has approximately 183.9% more rectangular screen area than Comet.

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, Comet, compared at the same storage capacity.
StorageGrand MaxComet
8 GB 1 GB RAM Unknown

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. Comet

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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

    +1000 mAh versus Comet

  2. 2. Comet

    1200 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. Comet

Everyday essentials
Everyday essentials — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Dimensions (HxWxD)
  • 145 Х 72.1 Х 7.8 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 154 g
  • 102.1 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.8" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
Unknown
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6580 (28 nm)
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 68.9 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 65.9%
  • 41.7%
PPI /points per inch/
  • 294 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • CIF
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance
Performance — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 528 MHz ARM 11
Graphics processor GPU
  • Mali-400MP2
  • No
General specs
General specs — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Release date
  • 2017
  • January
  • 2010
  • November
Colors
  • Gold
  • Gray
  • Rose Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
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)
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
SIM card
  • Dual SIM (Micro-SIM/Nano-SIM)
  • Mini-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 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
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
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Radio Unknown
  • FM radio
Other features
Other features — specifications for Grand Max, Comet.
SpecificationGrand MaxComet
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Accelerometer MP3/WMA/eAAC+ player -MP4/H.264 player -Organizer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input (Swype) For T-Mobile