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Lava A51 vs Philips D822

Compare recorded specifications, size and practical differences.

Lava A51

Lava A51

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Philips D822

Philips D822

Replace D822
Remove D822
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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

    D822: 2.2 mm narrower

    A51:
    66 mm
    D822:
    63.8 mm
  • Screen diagonal

    D822: 1 in smaller diagonal

    A51:
    4.5 in
    D822:
    3.5 in
  • Depth

    A51: 5 mm thinner

    A51:
    9.9 mm
    D822:
    14.9 mm
  • Height

    D822: 15.2 mm shorter

    A51:
    136 mm
    D822:
    120.8 mm
  • Release year

    A51:
    2016
    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.

Front
Front — relative 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. A51: height 136 mm; Width 66 mm. D822: height 120.8 mm; Width 63.8 mm. A51: 136 × 66 mm 1 D822: 120.8 × 63.8 mm 2
Side
Side — relative 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. A51: height 136 mm; Depth 9.9 mm. D822: height 120.8 mm; Depth 14.9 mm. A51: 136 × 9.9 mm 1 D822: 120.8 × 14.9 mm 2
  1. 1. A51

    Height:
    136 mm +15.2 mm versus D822
    Width:
    66 mm +2.2 mm versus D822
    Depth:
    9.9 mm
    Weight:
    Unknown
  2. 2. D822

    Height:
    120.8 mm
    Width:
    63.8 mm
    Depth:
    14.9 mm +5 mm versus A51
    Weight:
    165 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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. A51: screen diagonal 4.5 in; aspect ratio (height:width) 16:9; approximate rectangular area 55.8 cm². D822: screen diagonal 3.5 in; aspect ratio (height:width) 3:2; approximate rectangular area 36.5 cm². A51: 4.5 in, 16:9, About 55.8 cm² rectangular area 1 D822: 3.5 in, 3:2, About 36.5 cm² rectangular area 2
  1. 1. A51

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. D822

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

A51 has approximately 53% more rectangular screen area than D822.

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.

A51: Original memory entry

8 GB · 512 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. A51

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

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. A51

    1750 mAh

  2. 2. D822

    2000 mAh

    +250 mAh versus 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. A512. D822

Everyday essentials
Everyday essentials — specifications for A51, D822.
SpecificationA51D822
Dimensions (HxWxD)
  • 136 Х 66 Х 9.9 mm
  • 120.8 Х 63.8 Х 14.9 mm
Weight
  • 0 g
  • 165 g
Technology
  • TFT
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 512 MB
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.
  • 1750 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 2.2 (Froyo)
Chipset
  • Spreadtrum SC7731C
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A51, D822.
SpecificationA51D822
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 55.8 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 62.2%
  • 47.3%
PPI /points per inch/
  • 218 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for A51, D822.
SpecificationA51D822
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • panorama
Unknown
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A51, D822.
SpecificationA51D822
Processor CPU
  • Quad-core 1.2 GHz
Unknown
General specs
General specs — specifications for A51, D822.
SpecificationA51D822
Release date
  • 2016
  • October
  • 2012
  • January
Colors
  • Gray
  • Black
  • Gold
  • Black
Battery life
  • Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)
  • Stand by time- Up to 340 h Talking time- Up to 10 h
Communication and Connectivity
Communication and Connectivity — specifications for A51, D822.
SpecificationA51D822
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
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • EDR
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for A51, D822.
SpecificationA51D822
Radio
  • FM radio
  • No
Other features
Other features — specifications for A51, D822.
SpecificationA51D822
Dop
  • Sensors Accelerometer For India
  • Sensors Accelerometer MP3/WAV/AAC+ player -MP4/H.263 player -Organizer -Voice memo -Predictive text input