Micromax Bolt A51 vs ZTE E N72

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: 12 g lighter

    Bolt A51:
    118 g
    E N72:
    130 g
  • Width

    Bolt A51: 3.5 mm narrower

    Bolt A51:
    62.5 mm
    E N72:
    66 mm
  • Screen diagonal

    E N72: 1 in smaller diagonal

    Bolt A51:
    3.5 in
    E N72:
    2.5 in
  • Depth

    E N72: 0.9 mm thinner

    Bolt A51:
    12.8 mm
    E N72:
    11.9 mm
  • Height

    E N72: 4.5 mm shorter

    Bolt A51:
    118.5 mm
    E N72:
    114 mm
  • Release year

    Bolt A51:
    2013
    E N72:
    2010

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 +4.5 mm versus E N72
    Width:
    62.5 mm
    Depth:
    12.8 mm +0.9 mm versus E N72
  2. 2. E N72

    Height:
    114 mm
    Width:
    66 mm +3.5 mm versus Bolt A51
    Depth:
    11.9 mm

Weight

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

  1. 1. Bolt A51

    118 g

  2. 2. E N72

    130 g

    +12 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. E N72

    Screen diagonal:
    2.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    19.4 cm²

Bolt A51 has approximately 88.5% more rectangular screen area than E N72.

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

E N72: Original memory entry

100 MB

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. E N72

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 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

    +200 mAh versus E N72

  2. 2. E N72

    1300 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. E N72

Everyday essentials
Everyday essentials — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Dimensions (HxWxD)
  • 118.5 Х 62.5 Х 12.8 mm
  • 114 Х 66 Х 11.9 mm
Weight
  • 118 g
  • 130 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.5" inch
Screen resolution
  • 320 x 480 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 100 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • Microsoft Windows Mobile Professional
Headphone jack
  • Yes
  • No
Display
Display — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Touchscreen
  • touchscreen
  • resistive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 36.5 cm2
  • 19.4 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 49.3%
  • 25.7%
PPI /points per inch/
  • 165 PPI
  • 160 PPI
Camera and Video
Camera and Video — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Processor CPU
  • 832 MHz
Unknown
General specs
General specs — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Release date
  • 2013
  • April
  • 2010
  • August
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
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - CDMA 800 / 1900
Speed
  • HSPA
  • HSPA
GPRS
  • Class 12
  • No
Edge
  • Class 32
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • No
  • No
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 3.0
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Radio
  • FM radio
  • No
Other features
Other features — specifications for Bolt A51, E N72.
SpecificationBolt A51E N72
Dop
  • Sensors Accelerometer
  • MP3/WMA/eAAC+ player -MP4/H.264 player -Document viewer -Organizer -Voice memo -Predictive text input