HTC Desire 728 dual sim 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: 50.9 g lighter

    Desire 728 dual sim:
    153 g
    Comet:
    102.1 g
  • Width

    Comet: 21.9 mm narrower

    Desire 728 dual sim:
    77.8 mm
    Comet:
    55.9 mm
  • Screen diagonal

    Comet: 2.7 in smaller diagonal

    Desire 728 dual sim:
    5.5 in
    Comet:
    2.8 in
  • Chipset

    Desire 728 dual sim:
    Mediatek MT6753 (28 nm)
    Comet:
    Qualcomm MSM7225 Snapdragon S1
  • Depth

    Desire 728 dual sim: 4.8 mm thinner

    Desire 728 dual sim:
    7.9 mm
    Comet:
    12.7 mm
  • Height

    Comet: 53.8 mm shorter

    Desire 728 dual sim:
    157.9 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. Desire 728 dual sim

    Height:
    157.9 mm +53.8 mm versus Comet
    Width:
    77.8 mm +21.9 mm versus Comet
    Depth:
    7.9 mm
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +4.8 mm versus Desire 728 dual sim

Weight

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

  1. 1. Desire 728 dual sim

    153 g

    +50.9 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. Desire 728 dual sim

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

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

Desire 728 dual sim has approximately 243.5% 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.

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

Desire 728 dual sim: Original memory entry

16 GB · 2 GB RAM - Desire 72816 GB · 1.5 GB RAM - Desire 728G

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Desire 728 dual sim

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

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. Desire 728 dual sim

    2800 mAh

    +1600 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. Desire 728 dual sim2. Comet

Everyday essentials
Everyday essentials — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Dimensions (HxWxD)
  • 157.9 Х 77.8 Х 7.9 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 153 g
  • 102.1 g
Technology
  • Super LCD2
  • TFT
Screen size
  • 5.5" 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.
  • 16 GB
  • 2 GB RAM - Desire 72816 GB
  • 1.5 GB RAM - Desire 728G
Unknown
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Non-removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1.1 (Lollipop); Sense UI
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.9%
  • 41.7%
PPI /points per inch/
  • 267 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 28mm (wide)
  • AF
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • CIF
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.8
  • 34mm (standard)
Unknown
Performance
Performance — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 528 MHz ARM 11
Graphics processor GPU
  • Mali-T720MP3
  • No
General specs
General specs — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Release date
  • 2015
  • September
  • 2010
  • November
Colors
  • White
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 496 h (2G) / Up to 485 h (3G) Talking time- Up to 26 h (2G) / Up to 21 h (3G) Music play - Up to 46 h
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900 - Desire 728G -3G - HSDPA 850 / 900 / 1900 / 2100 - Desire 728
  • Desire 728G CDMA2000 1xEV-DO - Desire 728G -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Desire 728
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.81 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Radio
  • FM radio
  • FM radio
Others
  • Dolby Audio enhancement -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Desire 728 dual sim, Comet.
SpecificationDesire 728 dual simComet
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Available as HTC Desire 728G dual sim with 1.5 GB RAM and no LTE
  • 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