Fujitsu Siemens T830 vs Oppo A12

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

    A12: 25 g lighter

    Siemens T830:
    190 g
    A12:
    165 g
  • Width

    Siemens T830: 11.5 mm narrower

    Siemens T830:
    64 mm
    A12:
    75.5 mm
  • Screen diagonal

    Siemens T830: 3.82 in smaller diagonal

    Siemens T830:
    2.4 in
    A12:
    6.22 in
  • Rear camera layout

    Siemens T830:
    Single
    A12:
    Dual
  • Depth

    A12: 12.7 mm thinner

    Siemens T830:
    21 mm
    A12:
    8.3 mm
  • Height

    Siemens T830: 29.9 mm shorter

    Siemens T830:
    126 mm
    A12:
    155.9 mm

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 +12.7 mm versus A12
  2. 2. A12

    Height:
    155.9 mm +29.9 mm versus Siemens T830
    Width:
    75.5 mm +11.5 mm versus Siemens T830
    Depth:
    8.3 mm

Weight

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

  1. 1. Siemens T830

    190 g

    +25 g versus A12

  2. 2. A12

    165 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. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 419.7% 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, A12, compared at the same storage capacity.
StorageSiemens T830A12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 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. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. A12

    4230 mAh

    +2730 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. A12

Everyday essentials
Everyday essentials — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Dimensions (HxWxD)
  • 126 Х 64 Х 21 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 190 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 6.22" inch
Screen resolution
  • 240 x 240 px
  • 720 x 1520 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
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • SD
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Android 9.0 (Pie); ColorOS 6.1
Chipset Unknown
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 18.6 cm2
  • 96.6 cm2
Screen format
  • 1:1 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 23.0%
  • 82.0%
PPI /points per inch/
  • 141 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • AF
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions Unknown
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Processor CPU
  • Intel PXA272 416 MHz
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Release date
  • 2006
  • August
  • 2020
  • April 20
Colors
  • Silver
  • Blue
  • Black
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
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • SiRF GCS3F receiver
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Proprietary
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Radio
  • No
  • FM radio
Others
  • 5-way navigation key
  • 450 nits typ. brightness
Other features
Other features — specifications for Siemens T830, A12.
SpecificationSiemens T830A12
Dop
  • SiRF GCS3F receiver -Video telephony -Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Organizer -Voice memo
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass