Micromax Bolt A51 vs Philips D822

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: 47 g lighter

    Bolt A51:
    118 g
    D822:
    165 g
  • Width

    Bolt A51: 1.3 mm narrower

    Bolt A51:
    62.5 mm
    D822:
    63.8 mm
  • Depth

    Bolt A51: 2.1 mm thinner

    Bolt A51:
    12.8 mm
    D822:
    14.9 mm
  • Height

    Bolt A51: 2.3 mm shorter

    Bolt A51:
    118.5 mm
    D822:
    120.8 mm
  • Release year

    Bolt A51:
    2013
    D822:
    2012

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
  2. 2. D822

    Height:
    120.8 mm +2.3 mm versus Bolt A51
    Width:
    63.8 mm +1.3 mm versus Bolt A51
    Depth:
    14.9 mm +2.1 mm versus Bolt A51

Weight

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

  1. 1. Bolt A51

    118 g

  2. 2. D822

    165 g

    +47 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. D822

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

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

D822: Original memory entry

512 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. D822

NFC:
Unknown
Headphone jack:
No
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. D822

    2000 mAh

    +500 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. D822

Everyday essentials
Everyday essentials — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Dimensions (HxWxD)
  • 118.5 Х 62.5 Х 12.8 mm
  • 120.8 Х 63.8 Х 14.9 mm
Weight
  • 118 g
  • 165 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.5" 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
  • 512 MB
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
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • Android 2.2 (Froyo)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 36.5 cm2
  • 36.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 49.3%
  • 47.3%
PPI /points per inch/
  • 165 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Processor CPU
  • 832 MHz
Unknown
General specs
General specs — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Release date
  • 2013
  • April
  • 2012
  • January
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 340 h Talking time- Up to 10 h
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A51, D822.
SpecificationBolt A51D822
SIM card
  • Dual SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Class 12
  • No
Edge
  • Class 32
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 3.0
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Radio
  • FM radio
  • No
Other features
Other features — specifications for Bolt A51, D822.
SpecificationBolt A51D822
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer MP3/WAV/AAC+ player -MP4/H.263 player -Organizer -Voice memo -Predictive text input