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Micromax Bolt A51 vs Orange Hiro

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Hiro: 22 g lighter

    Bolt A51:
    118 g
    Hiro:
    96 g
  • Screen diagonal

    Bolt A51: 0.8 in smaller diagonal

    Bolt A51:
    3.5 in
    Hiro:
    4.3 in
  • Depth

    Hiro: 4.8 mm thinner

    Bolt A51:
    12.8 mm
    Hiro:
    8 mm
  • Height

    Bolt A51: 8.6 mm shorter

    Bolt A51:
    118.5 mm
    Hiro:
    127.1 mm

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
    Depth:
    12.8 mm +4.8 mm versus Hiro
  2. 2. Hiro

    Height:
    127.1 mm +8.6 mm versus Bolt A51
    Width:
    62 mm
    Depth:
    8 mm

Weight

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

  1. 1. Bolt A51

    118 g

    +22 g versus Hiro

  2. 2. Hiro

    96 g

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. Hiro

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

Hiro has approximately 39.7% more rectangular screen area than Bolt A51.

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

Hiro: 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. Bolt A51

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

2. Hiro

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. Bolt A51

    1500 mAh

  2. 2. Hiro

    1700 mAh

    +200 mAh versus Bolt A51

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. Hiro

Everyday essentials
Everyday essentials — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Dimensions (HxWxD)
  • 118.5 Х 62.5 Х 12.8 mm
  • 127.1 Х 62 Х 8 mm
Weight
  • 118 g
  • 96 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.3" 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.
  • 512 MB
  • 256 MB RAM
  • 4 GB
  • 512 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.
  • 1500 mAh
  • Removable Li-Ion
  • 1700 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • Android 4.1 (Jelly Bean)
Chipset Unknown
  • Mediatek MT6572 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 51.0 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.3%
  • 64.7%
PPI /points per inch/
  • 165 PPI
  • 228 PPI
Camera and Video
Camera and Video — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Processor CPU
  • 832 MHz
  • Dual-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
GeekBench 4 Single Core * Unknown
  • 317
GeekBench 4 Multi-Core * Unknown
  • 569
General specs
General specs — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Release date
  • 2013
  • April
  • 2013
  • Q3
Colors
  • Black/Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
SIM card
  • Dual SIM
  • Yes
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
GPRS
  • Class 12
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 3.0
  • Yes
Harmful irradiation Unknown
  • SAR EU - 1.29 W/kg (head)
Music and Audio
Music and Audio — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Radio
  • FM radio
  • No
Other features
Other features — specifications for Bolt A51, Hiro.
SpecificationBolt A51Hiro
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity