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Acer DX900 vs alcatel OT-997D

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.

  • Width

    DX900: 7.5 mm narrower

    DX900:
    60.5 mm
    OT-997D:
    68 mm
  • Screen diagonal

    DX900: 1.5 in smaller diagonal

    DX900:
    2.8 in
    OT-997D:
    4.3 in
  • Depth

    OT-997D: 6 mm thinner

    DX900:
    17 mm
    OT-997D:
    11 mm
  • Height

    DX900: 23.8 mm shorter

    DX900:
    106 mm
    OT-997D:
    129.8 mm
  • Release year

    DX900:
    2009
    OT-997D:
    2012

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 +6 mm versus OT-997D
  2. 2. OT-997D

    Height:
    129.8 mm +23.8 mm versus DX900
    Width:
    68 mm +7.5 mm versus DX900
    Depth:
    11 mm

Weight

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

  1. 1. DX900

    147 g

    +4 g versus OT-997D

  2. 2. OT-997D

    143 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. OT-997D

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

OT-997D has approximately 116.8% more rectangular screen area than DX900.

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 DX900, OT-997D, compared at the same storage capacity.
StorageDX900OT-997D
4 GB Unknown 1 GB RAM
DX900: Original memory entry

128 MB RAM · 256 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. DX900

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

2. OT-997D

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

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. OT-997D

    1800 mAh

    +270 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. OT-997D

Everyday essentials
Everyday essentials — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 129.8 Х 68 Х 11 mm
Weight
  • 147 g
  • 143 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 4.3" inch
Screen resolution
  • 480 x 640 px
  • 480 x 800 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
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1800 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Mediatek MT6577 (40 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 52.6 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 37.9%
  • 59.6%
PPI /points per inch/
  • 286 PPI
  • 217 PPI
Camera and Video
Camera and Video — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
  • VGA
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531u
Antutu 7 score * Unknown
  • 9320
General specs
General specs — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Release date
  • 2009
  • February
  • 2012
  • July
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 280 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
  • Stand by time- Up to 400 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • SiRF Star III chipset
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • microUSB 2.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
Music and Audio
Music and Audio — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Radio
  • panorama
  • Stereo FM radio
  • RDS
Others
  • Handwriting recognition
  • SRS audio
Other features
Other features — specifications for DX900, OT-997D.
SpecificationDX900OT-997D
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • Sensors Accelerometer
  • proximity
  • compass