Micromax W900 vs Siemens SX45

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

    W900: 217 g lighter

    W900:
    113 g
    SX45:
    330 g
  • Width

    W900: 32 mm narrower

    W900:
    55 mm
    SX45:
    87 mm
  • Depth

    W900: 11.8 mm thinner

    W900:
    14.2 mm
    SX45:
    26 mm
  • Height

    W900: 22 mm shorter

    W900:
    112 mm
    SX45:
    134 mm
  • Release year

    W900:
    2010
    SX45:
    2001

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. W900

    Height:
    112 mm
    Width:
    55 mm
    Depth:
    14.2 mm
  2. 2. SX45

    Height:
    134 mm +22 mm versus W900
    Width:
    87 mm +32 mm versus W900
    Depth:
    26 mm +11.8 mm versus W900

Weight

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

  1. 1. W900

    113 g

  2. 2. SX45

    330 g

    +217 g versus W900

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. W900

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    29.1 cm²
  2. 2. SX45

    SX45: 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.

W900: Original memory entry

256 MB ROM · 128 MB RAM

SX45: 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. W900

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot) · 2 GB included

2. SX45

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

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. W900

    1500 mAh

  2. 2. SX45

    1550 mAh

    +50 mAh versus W900

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. W9002. SX45

Everyday essentials
Everyday essentials — specifications for W900, SX45.
SpecificationW900SX45
Dimensions (HxWxD)
  • 112 Х 55 Х 14.2 mm
  • 134 Х 87 Х 26 mm
Weight
  • 113 g
  • 330 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 0" inch
Screen resolution
  • 240 x 400 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB ROM
  • 128 MB RAM
  • 32 MB
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • 2 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Microsoft Windows CE 3.0 for PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for W900, SX45.
SpecificationW900SX45
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 256K
  • 65K
Screen area
  • 29.1 cm2
Unknown
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 47.3%
Unknown
PPI /points per inch/
  • 146 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for W900, SX45.
SpecificationW900SX45
Rear camera, main
  • 2 MP
  • Single
  • 0 MP,
Camera specs
  • 2 MP
Unknown
Video
  • No
Unknown
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for W900, SX45.
SpecificationW900SX45
Processor CPU
  • K3 Hi3611 460MHz
  • 64-bit NEC VR4122 150 MHz
General specs
General specs — specifications for W900, SX45.
SpecificationW900SX45
Release date
  • 2010
  • February
  • 2001
Colors
  • Black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
Unknown
Battery life
  • Stand by time- Up to 480 h Talking time- Up to 5 h
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Communication and Connectivity
Communication and Connectivity — specifications for W900, SX45.
SpecificationW900SX45
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • No
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • Proprietary
Unknown
Bluetooth
  • Yes
  • No
Music and Audio
Music and Audio — specifications for W900, SX45.
SpecificationW900SX45
Radio
  • No
  • No
Others Unknown
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
Other features
Other features — specifications for W900, SX45.
SpecificationW900SX45
Dop
  • Sensors Accelerometer Organizer -Document viewer -MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Voice memo -Predictive text input
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone