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O2 XDA Atom vs Samsung D720

Compare recorded specifications, size and practical differences.

O2 XDA Atom

O2 XDA Atom

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Samsung D720

Samsung D720

Replace D720
Remove D720
+ 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.

  • WeightD720: 25 g lighterD720: 115 g · XDA Atom: 140 g
  • WidthD720: 11 mm narrowerD720: 47 mm · XDA Atom: 58 mm
  • Screen diagonalD720: 0.9 in smaller diagonalD720: 1.8 in · XDA Atom: 2.7 in
  • DepthXDA Atom: 4.5 mm thinnerXDA Atom: 18.5 mm · D720: 23 mm
  • HeightD720: 3 mm shorterD720: 99 mm · XDA Atom: 102 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.

Front
XDA Atom: 102 × 58 mm 1 D720: 99 × 47 mm 2
Side
XDA Atom: 102 × 18.5 mm 1 D720: 99 × 23 mm 2
  1. 1. XDA Atom
    Height
    102 mm+3 mm versus D720
    Width
    58 mm+11 mm versus D720
    Depth
    18.5 mm
    Weight
    140 g
  2. 2. D720
    Height
    99 mm
    Width
    47 mm
    Depth
    23 mm+4.5 mm versus XDA Atom
    Weight
    115 g
Weight

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

  1. 1. XDA Atom140 g

    +25 g versus D720

  2. 2. D720115 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. XDA Atom 2.7 in · 4:3 About 22.6 cm² rectangular area
  2. 2. D720 Screen geometry unavailable or conflicting

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.

XDA Atom: Original memory entry

64 MB RAM · 128 MB ROM

D720: Original memory entry

18 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. XDA Atom

NFC
Unknown
Headphone jack
No
Memory card support
See details miniSD

2. D720

NFC
Unknown
Headphone jack
No
Memory card support
See details MMC-micro

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. XDA Atom1530 mAh

    +630 mAh versus D720

  2. 2. D720900 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. XDA Atom2. D720

Everyday essentials
Everyday essentials
SpecificationXDA AtomD720
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 99 Х 47 Х 23 mm
Weight
  • 140 g
  • 115 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 1.8" inch
Screen resolution
  • 240 x 320 px
  • 176 x 220 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 18 MB
Memory card support
  • miniSD
  • MMC-micro
BatteryCapacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 900 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Symbian OS 7.0
  • Series 60 UI
Headphone jack
  • No
  • No
Display
Display
SpecificationXDA AtomD720
Touchscreen
  • resistive touchscreen
Unknown
Display colors Unknown
  • 256K
Screen area
  • 22.6 cm2
  • 10.2 cm2
Screen format
  • 4:3 (height:width)
Unknown
Screen to body ratio
  • 38.2%
  • 21.9%
PPI /points per inch/
  • 148 PPI
  • 0 PPI
Camera and Video
Camera and Video
SpecificationXDA AtomD720
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • 1.3 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance
SpecificationXDA AtomD720
Processor CPU
  • Intel PXA272 416 MHz
  • TI 192 MHz
General specs
General specs
SpecificationXDA AtomD720
Release date
  • 2005
  • November
  • 2005
  • Q1
Colors
  • Silver
  • Black
  • Red
  • White
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 170 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity
SpecificationXDA AtomD720
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11b
  • No
GPS
  • No
  • No
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 1.2
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.40 W/kg (head)
Music and Audio
Music and Audio
SpecificationXDA AtomD720
Radio
  • FM radio
  • No
Others
  • Handwriting recognition
Unknown
Other features
Other features
SpecificationXDA AtomD720
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815
  • MP3/AAC/WAV/MP4 player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -SyncML -Predictive text input -Voice memo -Voice command -Organizer