Micromax A57 Ninja 3.0 vs Micromax Bolt A51

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

    A57 Ninja 3.0: 24.2 g lighter

    A57 Ninja 3.0:
    93.8 g
    Bolt A51:
    118 g
  • Depth

    A57 Ninja 3.0: 1.3 mm thinner

    A57 Ninja 3.0:
    11.5 mm
    Bolt A51:
    12.8 mm
  • Height

    A57 Ninja 3.0: 2.5 mm shorter

    A57 Ninja 3.0:
    116 mm
    Bolt A51:
    118.5 mm
  • Release year

    A57 Ninja 3.0:
    2012
    Bolt A51:
    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. A57 Ninja 3.0

    Height:
    116 mm
    Width:
    62 mm
    Depth:
    11.5 mm
  2. 2. Bolt A51

    Height:
    118.5 mm +2.5 mm versus A57 Ninja 3.0
    Width:
    62.5 mm
    Depth:
    12.8 mm +1.3 mm versus A57 Ninja 3.0

Weight

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

  1. 1. A57 Ninja 3.0

    93.8 g

  2. 2. Bolt A51

    118 g

    +24.2 g versus A57 Ninja 3.0

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. A57 Ninja 3.0

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Bolt A51

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

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.

A57 Ninja 3.0: Original memory entry

512 MB RAM · 256 MB

Bolt A51: Original memory entry

512 MB · 256 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. A57 Ninja 3.0

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

2. Bolt A51

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. A57 Ninja 3.0

    1400 mAh

  2. 2. Bolt A51

    1500 mAh

    +100 mAh versus A57 Ninja 3.0

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. A57 Ninja 3.02. Bolt A51

Everyday essentials
Everyday essentials — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Dimensions (HxWxD)
  • 116 Х 62 Х 11.5 mm
  • 118.5 Х 62.5 Х 12.8 mm
Weight
  • 93.8 g
  • 118 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.5" inch
Screen resolution
  • 320 x 480 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM
  • 256 MB
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.5 (Gingerbread)
  • Android 2.3.7 (Gingerbread)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 36.5 cm2
  • 36.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 50.7%
  • 49.3%
PPI /points per inch/
  • 165 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Processor CPU
  • 1.0 GHz
  • 832 MHz
Graphics processor GPU
  • Adreno 200
Unknown
General specs
General specs — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Release date
  • 2012
  • September
  • 2013
  • April
Colors
  • Black
  • Black/Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 145 h Talking time- Up to 4 h
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Class 12
  • Class 12
Edge
  • Class 12
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • No
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 2.0
  • 3.0
Harmful irradiation
  • SAR - 0.86 W/kg (head) 0.60 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A57 Ninja 3.0, Bolt A51.
SpecificationA57 Ninja 3.0Bolt A51
Dop
  • Sensors Accelerometer MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Document viewer -Photo viewer/editor
  • Sensors Accelerometer