Samsung i640 vs Sendo X

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

    X: 28 g lighter

    i640:
    148 g
    X:
    120 g
  • Width

    X: 12 mm narrower

    i640:
    61 mm
    X:
    49 mm
  • Screen diagonal

    X: 0.2 in smaller diagonal

    i640:
    2.4 in
    X:
    2.2 in
  • Depth

    i640: 6.1 mm thinner

    i640:
    16.9 mm
    X:
    23 mm
  • Height

    i640: 15.6 mm shorter

    i640:
    94.4 mm
    X:
    110 mm
  • Release year

    i640:
    2008
    X:
    2003

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. i640

    Height:
    94.4 mm
    Width:
    61 mm +12 mm versus X
    Depth:
    16.9 mm
  2. 2. X

    Height:
    110 mm +15.6 mm versus i640
    Width:
    49 mm
    Depth:
    23 mm +6.1 mm versus i640

Weight

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

  1. 1. i640

    148 g

    +28 g versus X

  2. 2. X

    120 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. i640

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

    X: 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.

i640: Original memory entry

64 MB RAM · 128 MB ROM

X: Original memory entry

32 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. i640

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

2. X

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

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. i640

    1000 mAh

  2. 2. X

    1050 mAh

    +50 mAh versus i640

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. i6402. X

Everyday essentials
Everyday essentials — specifications for i640, X.
Specificationi640X
Dimensions (HxWxD)
  • 94.4 Х 61 Х 16.9 mm
  • 110 Х 49 Х 23 mm
Weight
  • 148 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 2.2" inch
Screen resolution
  • 320 x 240 px
  • 176 x 220 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
  • 32 MB
Memory card support
  • microSD (dedicated slot)
  • MMC/SD
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.0 Standard
  • Symbian 6.1
  • Series 60 v1.0 UI
Chipset Unknown
  • TI OMAP 5910
Headphone jack
  • No
  • No
Display
Display — specifications for i640, X.
Specificationi640X
Display colors
  • 65K
  • 65K
Screen area
  • 17.8 cm2
  • 15.2 cm2
Screen format
  • 4:3 (height:width)
Unknown
Screen to body ratio
  • 31.0%
  • 28.3%
PPI /points per inch/
  • 167 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for i640, X.
Specificationi640X
Rear camera, main
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 2 MP
Unknown
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for i640, X.
Specificationi640X
Processor CPU
  • 32-bit Intel XScale PXA270 416 MHz
  • 120 MHz ARM925T
General specs
General specs — specifications for i640, X.
Specificationi640X
Release date
  • 2008
  • February
  • 2003
  • Q4
Colors
  • Silver
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 6 h
  • Stand by time- Up to 170 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for i640, X.
Specificationi640X
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • HSPA 3.6/0.384 Mbps
Unknown
GPRS
  • Class 10
  • Class 8
Edge
  • Class 10
  • No
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • 1.1
  • Proprietary
Bluetooth
  • 2.0
  • 1.1
Harmful irradiation
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for i640, X.
Specificationi640X
Radio
  • No
  • No
Others
  • Jog Dial
Unknown
Other features
Other features — specifications for i640, X.
Specificationi640X
Dop
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo
  • Infrared port - MP4/MP3 player -Sync ML