Nokia 6720 classic 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: 7.9 g lighter

    6720 classic:
    110 g
    Comet:
    102.1 g
  • Width

    6720 classic: 10.9 mm narrower

    6720 classic:
    45 mm
    Comet:
    55.9 mm
  • Screen diagonal

    6720 classic: 0.6 in smaller diagonal

    6720 classic:
    2.2 in
    Comet:
    2.8 in
  • Depth

    Comet: 1.3 mm thinner

    6720 classic:
    14 mm
    Comet:
    12.7 mm
  • Height

    Comet: 5.9 mm shorter

    6720 classic:
    110 mm
    Comet:
    104.1 mm
  • Release year

    6720 classic:
    2009
    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. 6720 classic

    Height:
    110 mm +5.9 mm versus Comet
    Width:
    45 mm
    Depth:
    14 mm +1.3 mm versus Comet
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm +10.9 mm versus 6720 classic
    Depth:
    12.7 mm

Weight

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

  1. 1. 6720 classic

    110 g

    +7.9 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. 6720 classic

    Screen diagonal:
    2.2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    15 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 62% more rectangular screen area than 6720 classic.

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.

6720 classic: Original memory entry

50 MB

Practical features

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

1. 6720 classic

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot) · 1 GB included

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. 6720 classic

    1050 mAh

  2. 2. Comet

    1200 mAh

    +150 mAh versus 6720 classic

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. 6720 classic2. Comet

Everyday essentials
Everyday essentials — specifications for 6720 classic, Comet.
Specification6720 classicComet
Dimensions (HxWxD)
  • 110 Х 45 Х 14 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 110 g
  • 102.1 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" 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.
  • 50 MB
Unknown
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • 1 GB included
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian
  • S60 rel. 3.2
  • Android 2.2 (Froyo)
Chipset Unknown
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 6720 classic, Comet.
Specification6720 classicComet
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 15.0 cm2
  • 24.3 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 30.3%
  • 41.7%
PPI /points per inch/
  • 182 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for 6720 classic, Comet.
Specification6720 classicComet
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
Functions
  • Carl Zeiss optics
  • LED flash
Unknown
Video
  • 480p@15fps
  • CIF
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • QVGA videocall camera
Unknown
Performance
Performance — specifications for 6720 classic, Comet.
Specification6720 classicComet
Processor CPU
  • 600 MHz ARM 11
  • 528 MHz ARM 11
Graphics processor GPU Unknown
  • No
General specs
General specs — specifications for 6720 classic, Comet.
Specification6720 classicComet
Release date
  • 2009
  • February
  • 2010
  • November
Colors
  • Titanium
  • Grey
  • Brown
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 492 h (2G) / 504 h (3G) Talking time- Up to 8 h 30 min (2G) / 5 h (3G) Music play - Up to 27 h
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for 6720 classic, Comet.
Specification6720 classicComet
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 10.2/2 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 32
  • Class 10
Edge
  • Class 32
  • 296 / 178.8 kbits
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS; Nokia Maps 3.0
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.96 W/kg (head) 0.53 W/kg (body) SAR EU - 0.69 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 6720 classic, Comet.
Specification6720 classicComet
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for 6720 classic, Comet.
Specification6720 classicComet
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -TV-out -Voice memo -Predictive text input
  • 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