T-Mobile Comet vs ZTE Grand Xmax

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: 69.7 g lighter

    Comet:
    102.1 g
    Grand Xmax:
    171.8 g
  • Width

    Comet: 27.2 mm narrower

    Comet:
    55.9 mm
    Grand Xmax:
    83.1 mm
  • Screen diagonal

    Comet: 3.2 in smaller diagonal

    Comet:
    2.8 in
    Grand Xmax:
    6 in
  • Chipset

    Comet:
    Qualcomm MSM7225 Snapdragon S1
    Grand Xmax:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Grand Xmax: 4.8 mm thinner

    Comet:
    12.7 mm
    Grand Xmax:
    7.9 mm
  • Height

    Comet: 58 mm shorter

    Comet:
    104.1 mm
    Grand Xmax:
    162.1 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. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +4.8 mm versus Grand Xmax
  2. 2. Grand Xmax

    Height:
    162.1 mm +58 mm versus Comet
    Width:
    83.1 mm +27.2 mm versus Comet
    Depth:
    7.9 mm

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. Grand Xmax

    171.8 g

    +69.7 g versus Comet

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. Comet

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

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

Grand Xmax has approximately 308.8% 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 Comet, Grand Xmax, compared at the same storage capacity.
StorageCometGrand Xmax
8 GB Unknown 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. Comet

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

2. Grand Xmax

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. Comet

    1200 mAh

  2. 2. Grand Xmax

    3200 mAh

    +2000 mAh versus Comet

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. Comet2. Grand Xmax

Everyday essentials
Everyday essentials — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 162.1 Х 83.1 Х 7.9 mm
Weight
  • 102.1 g
  • 171.8 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 6" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 4.4.2 (KitKat)
Chipset
  • Qualcomm MSM7225 Snapdragon S1
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 99.2 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 41.7%
  • 73.7%
PPI /points per inch/
  • 143 PPI
  • 245 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • CIF
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 1 MP
  • Single
Specifications Unknown
  • 1 MP
Performance

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

Performance — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Processor CPU
  • 528 MHz ARM 11
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • No
  • Adreno 302
Antutu 7 score * Unknown
  • 12887
General specs
General specs — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Release date
  • 2010
  • November
  • 2014
  • October
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
  • Stand by time- Up to 860 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • 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
  • 2.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Comet, Grand Xmax.
SpecificationCometGrand Xmax
Dop
  • 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
  • Sensors Accelerometer
  • proximity
  • Infrared port - Fast battery charging: 30% in 30 min (Quick Charge 1.0)