You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

T-Mobile Comet vs Vodafone 845

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 6.9 g lighter

    Comet:
    102.1 g
    845:
    109 g
  • Depth

    Comet: 1.3 mm thinner

    Comet:
    12.7 mm
    845:
    14 mm
  • Height

    845: 5.1 mm shorter

    Comet:
    104.1 mm
    845:
    99 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 +5.1 mm versus 845
    Width:
    55.9 mm
    Depth:
    12.7 mm
  2. 2. 845

    Height:
    99 mm
    Width:
    55 mm
    Depth:
    14 mm +1.3 mm versus Comet

Weight

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

  1. 1. Comet

    102.1 g

  2. 2. 845

    109 g

    +6.9 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. 845

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

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.

845: Original memory entry

512 MB · 128 MB 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. 845

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 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. 845

    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. Comet2. 845

Everyday essentials
Everyday essentials — specifications for Comet, 845.
SpecificationComet845
Dimensions (HxWxD)
  • 104.1 Х 55.9 Х 12.7 mm
  • 99 Х 55 Х 14 mm
Weight
  • 102.1 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.8" inch
Screen resolution
  • 240 x 320 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 512 MB
  • 128 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 2.1 (Eclair)
Chipset
  • Qualcomm MSM7225 Snapdragon S1
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Comet, 845.
SpecificationComet845
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 256K
  • 256K
Screen area
  • 24.3 cm2
  • 24.3 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 41.7%
  • 44.6%
PPI /points per inch/
  • 143 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Comet, 845.
SpecificationComet845
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • 3.15 MP
  • AF
Video
  • CIF
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Comet, 845.
SpecificationComet845
Processor CPU
  • 528 MHz ARM 11
Unknown
Graphics processor GPU
  • No
Unknown
General specs
General specs — specifications for Comet, 845.
SpecificationComet845
Release date
  • 2010
  • November
  • 2010
  • April
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 9 h
  • Stand by time- Up to 288 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Comet, 845.
SpecificationComet845
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Comet, 845.
SpecificationComet845
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Comet, 845.
SpecificationComet845
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
  • compass - MP3/WAV/eAAC+/WMA player -MP4/H.264 player -Document viewer -Organizer -Photo/video editor -Voice memo -Predictive text input