Motorola U9 vs Sony Ericsson Xperia Arc

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

    U9: 29.5 g lighter

    U9:
    87.5 g
    Xperia Arc:
    117 g
  • Width

    U9: 14.4 mm narrower

    U9:
    48.6 mm
    Xperia Arc:
    63 mm
  • Screen diagonal

    U9: 2.2 in smaller diagonal

    U9:
    2 in
    Xperia Arc:
    4.2 in
  • Depth

    Xperia Arc: 7.7 mm thinner

    U9:
    16.4 mm
    Xperia Arc:
    8.7 mm
  • Height

    U9: 35 mm shorter

    U9:
    90 mm
    Xperia Arc:
    125 mm
  • Release year

    U9:
    2007
    Xperia Arc:
    2011

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. U9

    Height:
    90 mm
    Width:
    48.6 mm
    Depth:
    16.4 mm +7.7 mm versus Xperia Arc
  2. 2. Xperia Arc

    Height:
    125 mm +35 mm versus U9
    Width:
    63 mm +14.4 mm versus U9
    Depth:
    8.7 mm

Weight

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

  1. 1. U9

    87.5 g

  2. 2. Xperia Arc

    117 g

    +29.5 g versus U9

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. U9

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

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

Xperia Arc has approximately 292.6% more rectangular screen area than U9.

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.

U9: Original memory entry

25 MB

Xperia Arc: Original memory entry

320 MB · 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. U9

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. Xperia Arc

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

Battery capacity

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

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. U92. Xperia Arc

Everyday essentials
Everyday essentials — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Dimensions (HxWxD)
  • 90 Х 48.6 Х 16.4 mm
  • 125 Х 63 Х 8.7 mm
Weight
  • 87.5 g
  • 117 g
Technology
  • TFT
  • LED-backlit LCD
Screen size
  • 2" inch
  • 4.2" 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.
  • 25 MB
  • 320 MB
  • 512 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1500 mAh
  • Removable Li-Po
Operating system OS
  • Linux / Java-based MOTOMAGX
  • Android 2.3 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Qualcomm MSM8255 Snapdragon S2
Headphone jack
  • No
  • Yes
Display
Display — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 12.4 cm2
  • 48.6 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 28.3%
  • 61.7%
PPI /points per inch/
  • 200 PPI
  • 233 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

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

Performance — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Processor CPU Unknown
  • 1.0 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 205
Antutu 7 score * Unknown
  • 23950
General specs
General specs — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Release date
  • 2007
  • October
  • 2011
  • January
Colors
  • Pink
  • Purple
  • Midnight Blue
  • Misty Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
  • Stand by time- Up to 430 h (2G) / Up to 400 h (3G) Talking time- Up to 7 h (2G) / Up to 7 h (3G) Music play - Up to 31 h
Communication and Connectivity
Communication and Connectivity — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 12
  • Up to 86 kbps
Edge
  • Class 12
  • Up to 237 kbps
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 1.36 W/kg (head) 0.56 W/kg (body) SAR EU - 1.02 W/kg (head)
  • SAR EU - 0.66 W/kg (head)
Music and Audio
Music and Audio — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Second external OLED
  • 65K colors display (128 x 160 pixels) -Touch sensitive music keys -Downloadable wallpapers
  • screensavers
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for U9, Xperia Arc.
SpecificationU9Xperia Arc
Dop
  • MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -iTap -Organizer -Voice command -Voice memo
  • Sensors Accelerometer
  • proximity
  • compass - ANT+ -HDMI port -MP4/H.264/WMV player -MP3/eAAC+/WMA/WAV player -TrackID music recognition -NeoReader barcode scanner -Document viewer -Voice memo/dial/commands -Predictive text input - Also known as Sony Ericsson Anzu
  • Sony Ericsson X12