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Lava A51 vs Philips D900

Compare recorded specifications, size and practical differences.

Lava A51

Lava A51

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Philips D900

Philips D900

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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.

  • WidthD900: 5.5 mm narrowerD900: 60.5 mm · A51: 66 mm
  • Screen diagonalD900: 1.7 in smaller diagonalD900: 2.8 in · A51: 4.5 in
  • DepthA51: 5.1 mm thinnerA51: 9.9 mm · D900: 15 mm
  • HeightD900: 34.8 mm shorterD900: 101.2 mm · A51: 136 mm
  • Release year2016 / 2010A51: 2016 · D900: 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.

Front
A51: 136 × 66 mm 1 D900: 101.2 × 60.5 mm 2
Side
A51: 136 × 9.9 mm 1 D900: 101.2 × 15 mm 2
  1. 1. A51
    Height
    136 mm+34.8 mm versus D900
    Width
    66 mm+5.5 mm versus D900
    Depth
    9.9 mm
    Weight
    Unknown
  2. 2. D900
    Height
    101.2 mm
    Width
    60.5 mm
    Depth
    15 mm+5.1 mm versus A51
    Weight
    147.8 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
A51: 4.5 in, 16:9, About 55.8 cm² rectangular area 1 D900: 2.8 in, 4:3, About 24.3 cm² rectangular area 2
  1. 1. A51 4.5 in · 16:9 About 55.8 cm² rectangular area
  2. 2. D900 2.8 in · 4:3 About 24.3 cm² rectangular area

A51 has approximately 129.9% more rectangular screen area than D900.

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

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. D900

NFC
Unknown
Headphone jack
No
Memory card support
See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. D900

Everyday essentials
Everyday essentials
SpecificationA51D900
Dimensions (HxWxD)
  • 136 Х 66 Х 9.9 mm
  • 101.2 Х 60.5 Х 15 mm
Weight
  • 0 g
  • 147.8 g
Technology
  • TFT
  • TFT
Screen size
  • 4.5" inch
  • 2.8" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB
  • microSD (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1750 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Mobile OS
Chipset
  • Spreadtrum SC7731C
Unknown
Headphone jack
  • Yes
  • No
Display
Display
SpecificationA51D900
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 55.8 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 62.2%
  • 39.7%
PPI /points per inch/
  • 218 PPI
  • 143 PPI
Camera and Video
Camera and Video
SpecificationA51D900
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • 2 MP
Functions
  • LED flash
  • panorama
Unknown
Video
  • Yes
  • 352x288
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance
SpecificationA51D900
Processor CPU
  • Quad-core 1.2 GHz
Unknown
General specs
General specs
SpecificationA51D900
Release date
  • 2016
  • October
  • 2010
Colors
  • Gray
  • Black
  • Gold
  • Black
Battery life
  • Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationA51D900
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
  • CDMA
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • miniUSB 1.1
Bluetooth
  • 2.1
  • EDR
  • 2.1
  • A2DP
Music and Audio
Music and Audio
SpecificationA51D900
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features
SpecificationA51D900
Dop
  • Sensors Accelerometer For India
  • MP3/WAV/WMA/eAAC+ player -MP4/WMV/H.264 player -Organizer -Organizer -Voice memo -Predictive text input