Acer DX900 vs Siemens SX45

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    DX900: 183 g lighter

    DX900:
    147 g
    SX45:
    330 g
  • Width

    DX900: 26.5 mm narrower

    DX900:
    60.5 mm
    SX45:
    87 mm
  • Depth

    DX900: 9 mm thinner

    DX900:
    17 mm
    SX45:
    26 mm
  • Height

    DX900: 28 mm shorter

    DX900:
    106 mm
    SX45:
    134 mm
  • Release year

    DX900:
    2009
    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. DX900

    Height:
    106 mm
    Width:
    60.5 mm
    Depth:
    17 mm
  2. 2. SX45

    Height:
    134 mm +28 mm versus DX900
    Width:
    87 mm +26.5 mm versus DX900
    Depth:
    26 mm +9 mm versus DX900

Weight

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

  1. 1. DX900

    147 g

  2. 2. SX45

    330 g

    +183 g versus DX900

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. DX900

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 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.

DX900: Original memory entry

128 MB RAM · 256 MB ROM

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. DX900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

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. DX900

    1530 mAh

  2. 2. SX45

    1550 mAh

    +20 mAh versus DX900

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. DX9002. SX45

Everyday essentials
Everyday essentials — specifications for DX900, SX45.
SpecificationDX900SX45
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 134 Х 87 Х 26 mm
Weight
  • 147 g
  • 330 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 0" inch
Screen resolution
  • 480 x 640 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 32 MB
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Microsoft Windows CE 3.0 for PocketPC
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • No
Display
Display — specifications for DX900, SX45.
SpecificationDX900SX45
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
Unknown
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 37.9%
Unknown
PPI /points per inch/
  • 286 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for DX900, SX45.
SpecificationDX900SX45
Rear camera, main
  • 3.15 MP
  • Single
  • 0 MP,
Camera specs
  • 3.15 MP
  • AF
Unknown
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for DX900, SX45.
SpecificationDX900SX45
Processor CPU
  • 533 MHz Samsung S3C 6410
  • 64-bit NEC VR4122 150 MHz
General specs
General specs — specifications for DX900, SX45.
SpecificationDX900SX45
Release date
  • 2009
  • February
  • 2001
Colors
  • Black
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
  • Stand by time- Up to 150 h Talking time- Up to 2 h
Communication and Connectivity
Communication and Connectivity — specifications for DX900, SX45.
SpecificationDX900SX45
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Class 10
  • No
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • SiRF Star III chipset
  • No
USB
  • miniUSB
Unknown
Bluetooth
  • microUSB 2.0
  • A2DP
  • No
Music and Audio
Music and Audio — specifications for DX900, SX45.
SpecificationDX900SX45
Radio
  • panorama
  • No
Others
  • Handwriting recognition
  • 57.6 mm x 76.8 mm -0.24 mm pixel pitch
Other features
Other features — specifications for DX900, SX45.
SpecificationDX900SX45
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • Infrared port - Full PocketPC functionality -Media player (MP3) - PDA + mobile phone