O2 Xphone IIm vs Samsung i640

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

    Xphone IIm: 42 g lighter

    Xphone IIm:
    106 g
    i640:
    148 g
  • Width

    Xphone IIm: 14 mm narrower

    Xphone IIm:
    47 mm
    i640:
    61 mm
  • Screen diagonal

    Xphone IIm: 0.2 in smaller diagonal

    Xphone IIm:
    2.2 in
    i640:
    2.4 in
  • Depth

    i640: 2.1 mm thinner

    Xphone IIm:
    19 mm
    i640:
    16.9 mm
  • Height

    i640: 12.6 mm shorter

    Xphone IIm:
    107 mm
    i640:
    94.4 mm
  • Release year

    Xphone IIm:
    2005
    i640:
    2008

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. Xphone IIm

    Height:
    107 mm +12.6 mm versus i640
    Width:
    47 mm
    Depth:
    19 mm +2.1 mm versus i640
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm +14 mm versus Xphone IIm
    Depth:
    16.9 mm

Weight

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

  1. 1. Xphone IIm

    106 g

  2. 2. i640

    148 g

    +42 g versus Xphone IIm

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. Xphone IIm

    Xphone IIm: Screen geometry unavailable or conflicting.

  2. 2. i640

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

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.

Xphone IIm: Original memory entry

32 MB

i640: 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. Xphone IIm

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

2. i640

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

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. Xphone IIm

    1050 mAh

    +50 mAh versus i640

  2. 2. i640

    1000 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. Xphone IIm2. i640

Everyday essentials
Everyday essentials — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Dimensions (HxWxD)
  • 107 Х 47 Х 19 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 106 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" inch
  • 2.4" inch
Screen resolution
  • 176 x 220 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • miniSD
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Smartphone 2003 SE
  • Microsoft Windows Mobile 6.0 Standard
Chipset
  • TI OMAP 730
Unknown
Headphone jack
  • No
  • No
Display
Display — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Display colors
  • 65K
  • 65K
Screen area
  • 15.2 cm2
  • 17.8 cm2
Screen format Unknown
  • 4:3 (height:width)
Screen to body ratio
  • 30.3%
  • 31.0%
PPI /points per inch/
  • 0 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Rear camera, main
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Camera specs Unknown
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA videocall camera
Performance
Performance — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Processor CPU
  • 200 MHz ARM926EJ-S
  • 32-bit Intel XScale PXA270 416 MHz
General specs
General specs — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Release date
  • 2005
  • Q1
  • 2008
  • February
Colors
  • Stylish black and silver
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 140 h Talking time- Up to 4 h
  • Stand by time- Up to 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed Unknown
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • Proprietary
  • 1.1
Bluetooth
  • 1.1
  • 2.0
Harmful irradiation Unknown
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Radio
  • No
  • No
Others
  • 5-way navigation button -3-color LED indicator -Downloadable logos
  • Jog Dial
Other features
Other features — specifications for Xphone IIm, i640.
SpecificationXphone IImi640
Dop
  • Infrared port - MP3/AAC player -Predictive text input -Organizer - Produced by HTC. Functionally identical to Qtek 8100 and T-Mobile SDA Music.
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo