Micromax Bolt A51 vs Motorola PRO

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

    Bolt A51: 16 g lighter

    Bolt A51:
    118 g
    PRO:
    134 g
  • Width

    PRO: 1.5 mm narrower

    Bolt A51:
    62.5 mm
    PRO:
    61 mm
  • Screen diagonal

    PRO: 0.4 in smaller diagonal

    Bolt A51:
    3.5 in
    PRO:
    3.1 in
  • Depth

    PRO: 1.1 mm thinner

    Bolt A51:
    12.8 mm
    PRO:
    11.7 mm
  • Release year

    Bolt A51:
    2013
    PRO:
    2011

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. Bolt A51

    Height:
    118.5 mm
    Width:
    62.5 mm +1.5 mm versus PRO
    Depth:
    12.8 mm +1.1 mm versus PRO
  2. 2. PRO

    Height:
    119 mm
    Width:
    61 mm
    Depth:
    11.7 mm

Weight

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

  1. 1. Bolt A51

    118 g

  2. 2. PRO

    134 g

    +16 g versus Bolt A51

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. Bolt A51

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

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

Bolt A51 has approximately 27.5% more rectangular screen area than PRO.

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 A51: Original memory entry

512 MB · 256 MB RAM

PRO: Original memory entry

8 GB

Practical features

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

1. Bolt A51

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

2. PRO

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 GB included

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. Bolt A51

    1500 mAh

    +80 mAh versus PRO

  2. 2. PRO

    1420 mAh

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. Bolt A512. PRO

Everyday essentials
Everyday essentials — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Dimensions (HxWxD)
  • 118.5 Х 62.5 Х 12.8 mm
  • 119 Х 61 Х 11.7 mm
Weight
  • 118 g
  • 134 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.1" 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
  • 256 MB RAM
  • 8 GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1420 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • Android 2.2 (Froyo)
Chipset Unknown
  • TI OMAP 3620 1000
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 28.6 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 49.3%
  • 39.4%
PPI /points per inch/
  • 165 PPI
  • 186 PPI
Camera and Video
Camera and Video — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • Dual-LED flash
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Processor CPU
  • 832 MHz
  • 1.0 GHz Cortex-A8
Graphics processor GPU Unknown
  • PowerVR SGX530
General specs
General specs — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Release date
  • 2013
  • April
  • 2011
  • February
Colors
  • Black/Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
  • Stand by time- Up to 330 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 10.2/1.8 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 32
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB
Unknown
Bluetooth
  • 3.0
  • 2.1
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR - 1.08 W/kg (head) 0.80 W/kg (body)
Music and Audio
Music and Audio — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Radio
  • FM radio
  • No
Other features
Other features — specifications for Bolt A51, PRO.
SpecificationBolt A51PRO
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/AAC+ player -MP4/WMV/H.264 player -Quickoffice document viewer/editor -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input