Fujitsu Siemens T830 vs LG Optimus LTE SU640

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

    Optimus LTE SU640: 55 g lighter

    Siemens T830:
    190 g
    Optimus LTE SU640:
    135 g
  • Width

    Siemens T830: 3.9 mm narrower

    Siemens T830:
    64 mm
    Optimus LTE SU640:
    67.9 mm
  • Screen diagonal

    Siemens T830: 2.1 in smaller diagonal

    Siemens T830:
    2.4 in
    Optimus LTE SU640:
    4.5 in
  • Depth

    Optimus LTE SU640: 10.6 mm thinner

    Siemens T830:
    21 mm
    Optimus LTE SU640:
    10.4 mm
  • Height

    Siemens T830: 6.9 mm shorter

    Siemens T830:
    126 mm
    Optimus LTE SU640:
    132.9 mm
  • Release year

    Siemens T830:
    2006
    Optimus LTE SU640:
    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. Siemens T830

    Height:
    126 mm
    Width:
    64 mm
    Depth:
    21 mm +10.6 mm versus Optimus LTE SU640
  2. 2. Optimus LTE SU640

    Height:
    132.9 mm +6.9 mm versus Siemens T830
    Width:
    67.9 mm +3.9 mm versus Siemens T830
    Depth:
    10.4 mm

Weight

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

  1. 1. Siemens T830

    190 g

    +55 g versus Optimus LTE SU640

  2. 2. Optimus LTE SU640

    135 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 T830

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    18.6 cm²
  2. 2. Optimus LTE SU640

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

Optimus LTE SU640 has approximately 200.4% more rectangular screen area than Siemens T830.

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.

Recorded RAM for Siemens T830, Optimus LTE SU640, compared at the same storage capacity.
StorageSiemens T830Optimus LTE SU640
4 GB Unknown 1 GB RAM
Siemens T830: 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 T830

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

2. Optimus LTE SU640

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 16 GB included

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 T830

    1500 mAh

  2. 2. Optimus LTE SU640

    1830 mAh

    +330 mAh versus Siemens T830

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 T8302. Optimus LTE SU640

Everyday essentials
Everyday essentials — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Dimensions (HxWxD)
  • 126 Х 64 Х 21 mm
  • 132.9 Х 67.9 Х 10.4 mm
Weight
  • 190 g
  • 135 g
Technology
  • TFT
  • HD-IPS LCD
Screen size
  • 2.4" inch
  • 4.5" inch
Screen resolution
  • 240 x 240 px
  • 720 x 1280 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
  • 4 GB
  • 1 GB RAM
Memory card support
  • SD
  • microSD
  • up to 32 GB (dedicated slot)
  • 16 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1830 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Android 2.3.5 (Gingerbread)
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Qualcomm MSM8660 Snapdragon S3
Headphone jack
  • No
  • Yes
Display
Display — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 18.6 cm2
  • 55.8 cm2
Screen format
  • 1:1 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 23.0%
  • 61.9%
PPI /points per inch/
  • 141 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA videocall camera
  • 1.3 MP
Performance
Performance — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Processor CPU
  • Intel PXA272 416 MHz
  • Dual-core 1.5 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 220
General specs
General specs — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Release date
  • 2006
  • August
  • 2011
  • October
Colors
  • Silver
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 120 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 -4G - LTE 800
Speed
  • Yes
  • 384 kbps
  • HSPA
  • LTE
GPRS
  • Yes
  • No
Edge
  • No
  • No
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • SiRF GCS3F receiver
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 2.0
  • 3.0
  • A2DP
Music and Audio
Music and Audio — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Radio
  • No
  • No
Others
  • 5-way navigation key
  • True HD Graphic Engine
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Siemens T830, Optimus LTE SU640.
SpecificationSiemens T830Optimus LTE SU640
Dop
  • SiRF GCS3F receiver -Video telephony -Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Organizer -Voice memo
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - T-DMB TV tuner -MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -True HD movie editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - For South Korea