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Lava A51 vs O2 XDA

Compare recorded specifications, size and practical differences.

Lava A51

Lava A51

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O2 XDA

O2 XDA

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+ Add a third phone

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

    A51: 7 mm narrower

    A51:
    66 mm
    XDA:
    73 mm
  • Screen diagonal

    XDA: 1 in smaller diagonal

    A51:
    4.5 in
    XDA:
    3.5 in
  • Depth

    A51: 8.1 mm thinner

    A51:
    9.9 mm
    XDA:
    18 mm
  • Height

    XDA: 7 mm shorter

    A51:
    136 mm
    XDA:
    129 mm
  • Release year

    A51:
    2016
    XDA:
    2003

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. A51

    Height:
    136 mm +7 mm versus XDA
    Width:
    66 mm
    Depth:
    9.9 mm
    Weight:
    Unknown
  2. 2. XDA

    Height:
    129 mm
    Width:
    73 mm +7 mm versus A51
    Depth:
    18 mm +8.1 mm versus A51
    Weight:
    201 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. A51

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

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

A51 has approximately 47.2% more rectangular screen area than XDA.

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

XDA: Original memory entry

64 MB RAM · 32 MB ROM

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. XDA

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

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. XDA

Everyday essentials
Everyday essentials — specifications for A51, XDA.
SpecificationA51XDA
Dimensions (HxWxD)
  • 136 Х 66 Х 9.9 mm
  • 129 Х 73 Х 18 mm
Weight
  • 0 g
  • 201 g
Technology
  • TFT
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 64 MB RAM
  • 32 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • MMC/SD
Battery Capacity 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 PocketPC
Chipset
  • Spreadtrum SC7731C
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A51, XDA.
SpecificationA51XDA
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 4096
Screen area
  • 55.8 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 62.2%
  • 40.3%
PPI /points per inch/
  • 218 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for A51, XDA.
SpecificationA51XDA
Rear camera, main
  • 5 MP
  • Single
  • 0 MP,
Camera specs
  • 5 MP
Unknown
Functions
  • LED flash
  • panorama
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A51, XDA.
SpecificationA51XDA
Processor CPU
  • Quad-core 1.2 GHz
  • Intel Strong PXA263 400 MHz
General specs
General specs — specifications for A51, XDA.
SpecificationA51XDA
Release date
  • 2016
  • October
  • 2003
Colors
  • Gray
  • Black
  • Gold
Unknown
Battery life
  • Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A51, XDA.
SpecificationA51XDA
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.1
  • EDR
  • No
Music and Audio
Music and Audio — specifications for A51, XDA.
SpecificationA51XDA
Radio
  • FM radio
  • No
Other features
Other features — specifications for A51, XDA.
SpecificationA51XDA
Dop
  • Sensors Accelerometer For India
  • Infrared port - Pocket Office -Media player -Voice memo - Produced by HTC. Functionally identical to Qtek 1010.