Fujitsu Siemens T810 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

    i640: 42 g lighter

    Siemens T810:
    190 g
    i640:
    148 g
  • Width

    i640: 3 mm narrower

    Siemens T810:
    64 mm
    i640:
    61 mm
  • Depth

    i640: 4.1 mm thinner

    Siemens T810:
    21 mm
    i640:
    16.9 mm
  • Height

    i640: 31.6 mm shorter

    Siemens T810:
    126 mm
    i640:
    94.4 mm
  • Release year

    Siemens T810:
    2006
    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. Siemens T810

    Height:
    126 mm +31.6 mm versus i640
    Width:
    64 mm +3 mm versus i640
    Depth:
    21 mm +4.1 mm versus i640
  2. 2. i640

    Height:
    94.4 mm
    Width:
    61 mm
    Depth:
    16.9 mm

Weight

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

  1. 1. Siemens T810

    190 g

    +42 g versus i640

  2. 2. i640

    148 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. Siemens T810

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    18.6 cm²
  2. 2. i640

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

Siemens T810 has approximately 4.2% more rectangular screen area than i640.

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.

Siemens T810: Original memory entry

64 MB RAM · 128 MB ROM

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. Siemens T810

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

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. Siemens T810

    1500 mAh

    +500 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. Siemens T8102. i640

Everyday essentials
Everyday essentials — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Dimensions (HxWxD)
  • 126 Х 64 Х 21 mm
  • 94.4 Х 61 Х 16.9 mm
Weight
  • 190 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 2.4" inch
Screen resolution
  • 240 x 240 px
  • 320 x 240 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
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • SD
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Microsoft Windows Mobile 6.0 Standard
Headphone jack
  • No
  • No
Display
Display — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 18.6 cm2
  • 17.8 cm2
Screen format
  • 1:1 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 23.0%
  • 31.0%
PPI /points per inch/
  • 141 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Rear camera, main
  • 0 MP,
  • 2 MP
  • Single
Camera specs Unknown
  • 2 MP
Video Unknown
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA videocall camera
Performance
Performance — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Processor CPU
  • Intel PXA272 416 MHz
  • 32-bit Intel XScale PXA270 416 MHz
General specs
General specs — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Release date
  • 2006
  • August
  • 2008
  • February
Colors
  • Silver
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 150 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 Siemens T810, i640.
SpecificationSiemens T810i640
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • No
GPS
  • Yes
  • SiRF GCS3F receiver
  • No
USB
  • Proprietary
  • 1.1
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation Unknown
  • SAR - 1.18 W/kg (head) 1.12 W/kg (body)
Music and Audio
Music and Audio — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Radio
  • No
  • No
Others
  • 5-way navigation key
  • Jog Dial
Other features
Other features — specifications for Siemens T810, i640.
SpecificationSiemens T810i640
Dop
  • Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Organizer -Voice memo
  • WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo