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Acer DX900 vs Motorola U9

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

    U9: 59.5 g lighter

    DX900:
    147 g
    U9:
    87.5 g
  • Width

    U9: 11.9 mm narrower

    DX900:
    60.5 mm
    U9:
    48.6 mm
  • Screen diagonal

    U9: 0.8 in smaller diagonal

    DX900:
    2.8 in
    U9:
    2 in
  • Depth

    U9: 0.6 mm thinner

    DX900:
    17 mm
    U9:
    16.4 mm
  • Height

    U9: 16 mm shorter

    DX900:
    106 mm
    U9:
    90 mm
  • Release year

    DX900:
    2009
    U9:
    2007

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 +16 mm versus U9
    Width:
    60.5 mm +11.9 mm versus U9
    Depth:
    17 mm +0.6 mm versus U9
  2. 2. U9

    Height:
    90 mm
    Width:
    48.6 mm
    Depth:
    16.4 mm

Weight

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

  1. 1. DX900

    147 g

    +59.5 g versus U9

  2. 2. U9

    87.5 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. DX900

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. U9

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

DX900 has approximately 96% more rectangular screen area than U9.

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

U9: Original memory entry

25 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. U9

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. U9

Everyday essentials
Everyday essentials — specifications for DX900, U9.
SpecificationDX900U9
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 90 Х 48.6 Х 16.4 mm
Weight
  • 147 g
  • 87.5 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2" 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
  • 25 MB
Memory card support
  • microSD (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 0 mAh,
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Linux / Java-based MOTOMAGX
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • No
Display
Display — specifications for DX900, U9.
SpecificationDX900U9
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 256K
Screen area
  • 24.3 cm2
  • 12.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 37.9%
  • 28.3%
PPI /points per inch/
  • 286 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for DX900, U9.
SpecificationDX900U9
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 2 MP
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for DX900, U9.
SpecificationDX900U9
Processor CPU
  • 533 MHz Samsung S3C 6410
Unknown
General specs
General specs — specifications for DX900, U9.
SpecificationDX900U9
Release date
  • 2009
  • February
  • 2007
  • October
Colors
  • Black
  • Pink
  • Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
  • Stand by time- Up to 350 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for DX900, U9.
SpecificationDX900U9
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
  • Class 12
Edge
  • Class 10
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • SiRF Star III chipset
  • No
USB
  • miniUSB
  • 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head) 0.56 W/kg (body) SAR EU - 1.02 W/kg (head)
Music and Audio
Music and Audio — specifications for DX900, U9.
SpecificationDX900U9
Radio
  • panorama
  • No
Others
  • Handwriting recognition
  • Second external OLED
  • 65K colors display (128 x 160 pixels) -Touch sensitive music keys -Downloadable wallpapers
  • screensavers
Other features
Other features — specifications for DX900, U9.
SpecificationDX900U9
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -iTap -Organizer -Voice command -Voice memo