Micromax A75 vs Micromax Bolt Q331

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

    A75: 1.25 in smaller diagonal

    A75:
    3.75 in
    Bolt Q331:
    5 in
  • Chipset

    A75:
    Mediatek MT6573 (65 nm)
    Bolt Q331:
    Spreadtrum 7731G
  • Release year

    A75:
    2011
    Bolt Q331:
    2015

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. A75

    Height:
    120 mm
    Width:
    63.5 mm
    Depth:
    10.9 mm
    Weight:
    135.4 g
  2. 2. Bolt Q331

    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. A75

    Screen diagonal:
    3.75 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    41.9 cm²
  2. 2. Bolt Q331

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

Bolt Q331 has approximately 64.6% more rectangular screen area than A75.

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.

Bolt Q331: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A75

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

2. Bolt Q331

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. A75

    1300 mAh

  2. 2. Bolt Q331

    2000 mAh

    +700 mAh versus A75

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. A752. Bolt Q331

Everyday essentials
Everyday essentials — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Dimensions (HxWxD)
  • 120 Х 63.5 Х 10.9 mm
  • Х Х mm
Weight
  • 135.4 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.75" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6573 (65 nm)
  • Spreadtrum 7731G
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area
  • 41.9 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.0%
Unknown
PPI /points per inch/
  • 154 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance
Performance — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Processor CPU
  • 650 MHz Cortex-A9
  • Quad-core 1.2 GHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Release date
  • 2011
  • December
  • 2015
  • October
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
Unknown
Battery life
  • Stand by time- Up to 288 h Talking time- Up to 5 h
  • Stand by time- Up to 200 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
Unknown
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.1
Music and Audio
Music and Audio — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A75, Bolt Q331.
SpecificationA75Bolt Q331
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/AAC player -MP4/H.263 player -Organizer -Photo/video editor -Document editor -Voice memo/dial/commands -Predictive text input
  • Sensors Accelerometer
  • proximity