Micromax A78 vs Micromax Bolt S302

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.

  • Width

    A78: 1 mm narrower

    A78:
    63.5 mm
    Bolt S302:
    64.5 mm
  • Screen diagonal

    A78: 0.5 in smaller diagonal

    A78:
    3.5 in
    Bolt S302:
    4 in
  • Chipset

    A78:
    Mediatek MT6573 (65 nm)
    Bolt S302:
    Spreadtrum SC7715
  • Height

    A78: 4.2 mm shorter

    A78:
    120 mm
    Bolt S302:
    124.2 mm
  • Release year

    A78:
    2012
    Bolt S302:
    2015

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. A78

    Height:
    120 mm
    Width:
    63.5 mm
    Depth:
    10.9 mm
    Weight:
    Unknown
  2. 2. Bolt S302

    Height:
    124.2 mm +4.2 mm versus A78
    Width:
    64.5 mm +1 mm versus A78
    Depth:
    11 mm
    Weight:
    Unknown

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. A78

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²
  2. 2. Bolt S302

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

Bolt S302 has approximately 20% more rectangular screen area than A78.

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 S302: 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. A78

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

2. Bolt S302

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

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. A78

    1300 mAh

  2. 2. Bolt S302

    1450 mAh

    +150 mAh versus A78

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. A782. Bolt S302

Everyday essentials
Everyday essentials — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Dimensions (HxWxD)
  • 120 Х 63.5 Х 10.9 mm
  • 124.2 Х 64.5 Х 11 mm
Weight
  • 0 g
  • 0 g
Technology
  • TFT
Unknown
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 360 x 480 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1450 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread)
  • Android 4.4.3 (KitKat)
Chipset
  • Mediatek MT6573 (65 nm)
  • Spreadtrum SC7715
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 37.9 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 49.8%
  • 56.8%
PPI /points per inch/
  • 0 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Rear camera, main
  • 3.2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.2 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • 480p
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance
Performance — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Processor CPU
  • 650 MHz Cortex-A9
  • 1.0 GHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Release date
  • 2012
  • February
  • 2015
  • October
Colors
  • Brown
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 250 h Talking time- Up to 4 h
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
SIM card
  • Dual SIM (Mini-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 7.2/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 2.1
Music and Audio
Music and Audio — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A78, Bolt S302.
SpecificationA78Bolt S302
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/AAC player -MP4/H.263 player -Organizer -Photo/video editor -Document viewer -Voice memo/dial -Predictive text input
  • Sensors Accelerometer