Celkon Campus Whizz Q42 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.

  • Screen diagonal

    Bolt A51: 0.5 in smaller diagonal

    Campus Whizz Q42:
    4 in
    Bolt A51:
    3.5 in
  • Depth

    Campus Whizz Q42: 3.3 mm thinner

    Campus Whizz Q42:
    9.5 mm
    Bolt A51:
    12.8 mm
  • Height

    Bolt A51: 3.5 mm shorter

    Campus Whizz Q42:
    122 mm
    Bolt A51:
    118.5 mm
  • Release year

    Campus Whizz Q42:
    2014
    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. Campus Whizz Q42

    Height:
    122 mm +3.5 mm versus Bolt A51
    Width:
    63 mm
    Depth:
    9.5 mm
  2. 2. Bolt A51

    Height:
    118.5 mm
    Width:
    62.5 mm
    Depth:
    12.8 mm +3.3 mm versus Campus Whizz Q42

Weight

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

  1. 1. Campus Whizz Q42

    122 g

    +4 g versus Bolt A51

  2. 2. Bolt A51

    118 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. Campus Whizz Q42

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Bolt A51

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

Campus Whizz Q42 has approximately 24.8% 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.

Campus Whizz Q42: Original memory entry

4 GB · 512 MB RAM

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. Campus Whizz Q42

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

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. Campus Whizz Q42

    1400 mAh

  2. 2. Bolt A51

    1500 mAh

    +100 mAh versus Campus Whizz Q42

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. Campus Whizz Q422. Bolt A51

Everyday essentials
Everyday essentials — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Dimensions (HxWxD)
  • 122 Х 63 Х 9.5 mm
  • 118.5 Х 62.5 Х 12.8 mm
Weight
  • 122 g
  • 118 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • 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 4.4 (KitKat)
  • Android 2.3.7 (Gingerbread)
Chipset
  • Mediatek MT6582M (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Touchscreen
  • capacitive touchscreen
  • touchscreen
Screen area
  • 45.5 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 59.3%
  • 49.3%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance

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

Performance — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 832 MHz
Graphics processor GPU
  • Mali-400MP2
Unknown
Antutu 7 score *
  • 17822
Unknown
General specs
General specs — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Release date
  • 2014
  • November
  • 2013
  • April
Colors
  • Black
  • Black/Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
SIM card
  • Dual SIM
  • 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
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • 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 EU - 0.48 W/kg (head) 0.52 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Whizz Q42, Bolt A51.
SpecificationCampus Whizz Q42Bolt A51
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer