Samsung i617 BlackJack II 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: 13.9 g lighter

    i617 BlackJack II:
    116 g
    Comet:
    102.1 g
  • Width

    Comet: 5.1 mm narrower

    i617 BlackJack II:
    61 mm
    Comet:
    55.9 mm
  • Screen diagonal

    i617 BlackJack II: 0.4 in smaller diagonal

    i617 BlackJack II:
    2.4 in
    Comet:
    2.8 in
  • Height

    Comet: 9.9 mm shorter

    i617 BlackJack II:
    114 mm
    Comet:
    104.1 mm
  • Release year

    i617 BlackJack II:
    2007
    Comet:
    2010

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. i617 BlackJack II

    Height:
    114 mm +9.9 mm versus Comet
    Width:
    61 mm +5.1 mm versus Comet
    Depth:
    13 mm
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm

Weight

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

  1. 1. i617 BlackJack II

    116 g

    +13.9 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. i617 BlackJack II

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. Comet

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

Comet has approximately 36.1% more rectangular screen area than i617 BlackJack II.

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.

i617 BlackJack II: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

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

1. i617 BlackJack II

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 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. i617 BlackJack II

    1700 mAh

    +500 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. i617 BlackJack II2. Comet

Everyday essentials
Everyday essentials — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Dimensions (HxWxD)
  • 114 Х 61 Х 13 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 116 g
  • 102.1 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 2.8" inch
Screen resolution
  • 320 x 240 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
Unknown
Memory card support
  • microSD
  • up to 4 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0
  • Android 2.2 (Froyo)
Chipset Unknown
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • No
  • Yes
Display
Display — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 17.8 cm2
  • 24.3 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 25.7%
  • 41.7%
PPI /points per inch/
  • 167 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • Yes
  • CIF
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Processor CPU
  • 260 MHz Dual ARM 9
  • 528 MHz ARM 11
Graphics processor GPU Unknown
  • No
General specs
General specs — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Release date
  • 2007
  • October
  • 2010
  • November
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 330 h Talking time- Up to 7 h
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 3.6/0.384 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 1.20 W/kg (head) 0.76 W/kg (body) SAR EU - 0.47 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Radio
  • No
  • FM radio
Other features
Other features — specifications for i617 BlackJack II, Comet.
Specificationi617 BlackJack IIComet
Dop
  • Mobile TV receiver -WMV/3GP/H.263/MP4 player -WMA/MP3/AAC/AAC+/OGG/ASF player -Organizer -Pocket Office
  • 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