Fujitsu Siemens T810 vs Karbonn Smart A12 Star

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

    Smart A12 Star: 60 g lighter

    Siemens T810:
    190 g
    Smart A12 Star:
    130 g
  • Screen diagonal

    Siemens T810: 1.6 in smaller diagonal

    Siemens T810:
    2.4 in
    Smart A12 Star:
    4 in
  • Depth

    Smart A12 Star: 10.9 mm thinner

    Siemens T810:
    21 mm
    Smart A12 Star:
    10.1 mm
  • Release year

    Siemens T810:
    2006
    Smart A12 Star:
    2014

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
    Width:
    64 mm
    Depth:
    21 mm +10.9 mm versus Smart A12 Star
  2. 2. Smart A12 Star

    Height:
    124.2 mm
    Width:
    64.2 mm
    Depth:
    10.1 mm

Weight

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

  1. 1. Siemens T810

    190 g

    +60 g versus Smart A12 Star

  2. 2. Smart A12 Star

    130 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. Smart A12 Star

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Smart A12 Star has approximately 145.1% more rectangular screen area than Siemens T810.

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

Smart A12 Star: Original memory entry

4 GB · 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. Siemens T810

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

2. Smart A12 Star

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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

    +100 mAh versus Smart A12 Star

  2. 2. Smart A12 Star

    1400 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. Smart A12 Star

Everyday essentials
Everyday essentials — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Dimensions (HxWxD)
  • 126 Х 64 Х 21 mm
  • 124.2 Х 64.2 Х 10.1 mm
Weight
  • 190 g
  • 130 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 4" inch
Screen resolution
  • 240 x 240 px
  • 480 x 800 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
  • 512 MB RAM
Memory card support
  • SD
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Android 4.4.2 (KitKat)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 18.6 cm2
  • 45.5 cm2
Screen format
  • 1:1 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 23.0%
  • 57.1%
PPI /points per inch/
  • 141 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Rear camera, main
  • 0 MP,
  • 5 MP
  • Single
Camera specs Unknown
  • 5 MP
Functions Unknown
  • LED flash
Video Unknown
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Processor CPU
  • Intel PXA272 416 MHz
  • Dual-core 1.2 GHz
General specs
General specs — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Release date
  • 2006
  • August
  • 2014
  • July
Colors
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 50 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Stand by time- Up to 300 h
Communication and Connectivity
Communication and Connectivity — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • Yes
  • 384 kbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • SiRF GCS3F receiver
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.79 W/kg (head)
Music and Audio
Music and Audio — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Radio
  • No
  • FM radio
Others
  • 5-way navigation key
Unknown
Other features
Other features — specifications for Siemens T810, Smart A12 Star.
SpecificationSiemens T810Smart A12 Star
Dop
  • Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Organizer -Voice memo
  • Sensors Accelerometer
  • proximity