Acer DX900 vs Micromax Bolt Q381

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.

  • Screen diagonal

    DX900: 2.2 in smaller diagonal

    DX900:
    2.8 in
    Bolt Q381:
    5 in
  • Release year

    DX900:
    2009
    Bolt Q381:
    2016

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
    Weight:
    147 g
  2. 2. Bolt Q381

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

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. Bolt Q381

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

Bolt Q381 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, Bolt Q381, compared at the same storage capacity.
StorageDX900Bolt Q381
8 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. Bolt Q381

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

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. Bolt Q381

    2000 mAh

    +470 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. Bolt Q381

Everyday essentials
Everyday essentials — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
Dimensions (HxWxD)
  • 106 Х 60.5 Х 17 mm
  • Х Х mm
Weight
  • 147 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5" inch
Screen resolution
  • 480 x 640 px
  • 480 x 854 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Spreadtrum SC7731G
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
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%
Unknown
PPI /points per inch/
  • 286 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
Functions
  • Dual-LED flash
Unknown
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
  • VGA
Performance
Performance — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Quad-core 1.3 GHz Cortex-A7
General specs
General specs — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
Release date
  • 2009
  • February
  • 2016
  • July
Colors
  • Black
  • Black
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 360 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Micro-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 900 / 1800 - 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
  • 2.1
Music and Audio
Music and Audio — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for DX900, Bolt Q381.
SpecificationDX900Bolt Q381
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900
  • Acer Tempo X960
  • Sensors Accelerometer