Nokia 6720 classic vs O2 XDA Atom

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

    6720 classic: 30 g lighter

    6720 classic:
    110 g
    XDA Atom:
    140 g
  • Width

    6720 classic: 13 mm narrower

    6720 classic:
    45 mm
    XDA Atom:
    58 mm
  • Screen diagonal

    6720 classic: 0.5 in smaller diagonal

    6720 classic:
    2.2 in
    XDA Atom:
    2.7 in
  • Depth

    6720 classic: 4.5 mm thinner

    6720 classic:
    14 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 8 mm shorter

    6720 classic:
    110 mm
    XDA Atom:
    102 mm
  • Release year

    6720 classic:
    2009
    XDA Atom:
    2005

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 +8 mm versus XDA Atom
    Width:
    45 mm
    Depth:
    14 mm
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm +13 mm versus 6720 classic
    Depth:
    18.5 mm +4.5 mm versus 6720 classic

Weight

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

  1. 1. 6720 classic

    110 g

  2. 2. XDA Atom

    140 g

    +30 g versus 6720 classic

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. XDA Atom

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

XDA Atom has approximately 50.6% 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

XDA Atom: Original memory entry

64 MB RAM · 128 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. 6720 classic

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

2. XDA Atom

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. XDA Atom

    1530 mAh

    +480 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. XDA Atom

Everyday essentials
Everyday essentials — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
Dimensions (HxWxD)
  • 110 Х 45 Х 14 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 110 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" inch
  • 2.7" 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
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • 1 GB included
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Symbian
  • S60 rel. 3.2
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 15.0 cm2
  • 22.6 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 30.3%
  • 38.2%
PPI /points per inch/
  • 182 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • Carl Zeiss optics
  • LED flash
  • LED flash
Video
  • 480p@15fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • QVGA videocall camera
Unknown
Performance
Performance — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
Processor CPU
  • 600 MHz ARM 11
  • Intel PXA272 416 MHz
General specs
General specs — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
Release date
  • 2009
  • February
  • 2005
  • November
Colors
  • Titanium
  • Grey
  • Brown
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 260 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 150 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 10.2/2 Mbps
Unknown
GPRS
  • Class 32
  • Class 10
Edge
  • Class 32
  • 296 / 178.8 kbits
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS; Nokia Maps 3.0
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.0
  • A2DP
  • 1.2
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, XDA Atom.
Specification6720 classicXDA Atom
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for 6720 classic, XDA Atom.
Specification6720 classicXDA Atom
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
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815