Acer DX900 vs Lenovo A830

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

    DX900: 18.4 g lighter

    DX900:
    147 g
    A830:
    165.4 g
  • Width

    DX900: 12.5 mm narrower

    DX900:
    60.5 mm
    A830:
    73 mm
  • Screen diagonal

    DX900: 2.2 in smaller diagonal

    DX900:
    2.8 in
    A830:
    5 in
  • Depth

    A830: 7.6 mm thinner

    DX900:
    17 mm
    A830:
    9.4 mm
  • Height

    DX900: 41 mm shorter

    DX900:
    106 mm
    A830:
    147 mm
  • Release year

    DX900:
    2009
    A830:
    2013

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 +7.6 mm versus A830
  2. 2. A830

    Height:
    147 mm +41 mm versus DX900
    Width:
    73 mm +12.5 mm versus DX900
    Depth:
    9.4 mm

Weight

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

  1. 1. DX900

    147 g

  2. 2. A830

    165.4 g

    +18.4 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.

  1. 1. DX900

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A830

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

A830 has approximately 183.9% 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, A830, compared at the same storage capacity.
StorageDX900A830
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. A830

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. A830

    2250 mAh

    +720 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. A830

Everyday essentials
Everyday essentials — specifications for DX900, A830.
SpecificationDX900A830
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • 147 Х 73 Х 9.4 mm
Weight
  • 147 g
  • 165.4 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5" inch
Screen resolution
  • 480 x 640 px
  • 540 x 960 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 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 2250 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 4.2.1 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6589 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX900, A830.
SpecificationDX900A830
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 37.9%
  • 64.2%
PPI /points per inch/
  • 286 PPI
  • 220 PPI
Camera and Video
Camera and Video — specifications for DX900, A830.
SpecificationDX900A830
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
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, A830.
SpecificationDX900A830
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • PowerVR SGX544
Antutu 7 score * Unknown
  • 14630
General specs
General specs — specifications for DX900, A830.
SpecificationDX900A830
Release date
  • 2009
  • February
  • 2013
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 140 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to10 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for DX900, A830.
SpecificationDX900A830
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
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
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head)
Music and Audio
Music and Audio — specifications for DX900, A830.
SpecificationDX900A830
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for DX900, A830.
SpecificationDX900A830
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • Sensors Accelerometer
  • proximity