O2 XDA Atom vs Sony Xperia U

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

    Xperia U: 30 g lighter

    XDA Atom:
    140 g
    Xperia U:
    110 g
  • Width

    Xperia U: 4 mm narrower

    XDA Atom:
    58 mm
    Xperia U:
    54 mm
  • Screen diagonal

    XDA Atom: 0.8 in smaller diagonal

    XDA Atom:
    2.7 in
    Xperia U:
    3.5 in
  • Depth

    Xperia U: 6.5 mm thinner

    XDA Atom:
    18.5 mm
    Xperia U:
    12 mm
  • Height

    XDA Atom: 10 mm shorter

    XDA Atom:
    102 mm
    Xperia U:
    112 mm
  • Release year

    XDA Atom:
    2005
    Xperia U:
    2012

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. XDA Atom

    Height:
    102 mm
    Width:
    58 mm +4 mm versus Xperia U
    Depth:
    18.5 mm +6.5 mm versus Xperia U
  2. 2. Xperia U

    Height:
    112 mm +10 mm versus XDA Atom
    Width:
    54 mm
    Depth:
    12 mm

Weight

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

  1. 1. XDA Atom

    140 g

    +30 g versus Xperia U

  2. 2. Xperia U

    110 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. XDA Atom

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    33.8 cm²

Xperia U has approximately 49.6% more rectangular screen area than XDA Atom.

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

Xperia U: Original memory entry

8 GB (4 GB user available) · 512 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. XDA Atom

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

2. Xperia U

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. XDA Atom

    1530 mAh

    +210 mAh versus Xperia U

  2. 2. Xperia U

    1320 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. Xperia U

Everyday essentials
Everyday essentials — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 112 Х 54 Х 12 mm
Weight
  • 140 g
  • 110 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 3.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 8 GB (4 GB user available)
  • 512 MB RAM
Memory card support
  • miniSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1320 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • NovaThor U8500
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 33.8 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.2%
  • 55.8%
PPI /points per inch/
  • 148 PPI
  • 280 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
Processor CPU
  • Intel PXA272 416 MHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • Mali-400
Antutu 7 score * Unknown
  • 9020
GeekBench 4 Single Core * Unknown
  • 275
GeekBench 4 Multi-Core * Unknown
  • 493
General specs
General specs — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
Release date
  • 2005
  • November
  • 2012
  • February
Colors
  • Silver
  • Black
  • White/ exchangeable bottom caps in white
  • Pink
  • Yellow
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 140 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 260 h (2G) / Up to 472 h (3G) Talking time- Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G) Music play - Up to 45 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 14.4/5.76 Mbps
GPRS
  • Class 10
  • Up to 107 kbps
Edge
  • Class 10
  • Up to 296 kbps
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • DLNA
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 1.2
  • 2.1
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR - 1.09 W/kg (head) 0.93 W/kg (body) SAR EU - 1.62 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Handwriting recognition
  • Sony 3D surround sound audio technology -Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Atom, Xperia U.
SpecificationXDA AtomXperia U
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
  • Sensors Accelerometer
  • proximity
  • compass - Previously known as Sony Ericsson ST25i Kumquat