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Celkon A407 vs Lava A51

Compare recorded specifications, size and practical differences.

+ 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.

  • Screen diagonal

    A407: 0.5 in smaller diagonal

    A407:
    4 in
    A51:
    4.5 in
  • Depth

    A407: 0.7 mm thinner

    A407:
    9.2 mm
    A51:
    9.9 mm
  • Height

    A407: 11.2 mm shorter

    A407:
    124.8 mm
    A51:
    136 mm
  • Release year

    A407:
    2015
    A51:
    2016

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. A407

    Height:
    124.8 mm
    Width:
    65.2 mm
    Depth:
    9.2 mm
    Weight:
    105 g
  2. 2. A51

    Height:
    136 mm +11.2 mm versus A407
    Width:
    66 mm
    Depth:
    9.9 mm +0.7 mm versus A407
    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. A407

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. A51

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

A51 has approximately 22.6% more rectangular screen area than A407.

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.

A407: Original memory entry

512 MB · 256 MB RAM

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. A407

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

2. A51

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. A407

    1400 mAh

  2. 2. A51

    1750 mAh

    +350 mAh versus A407

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. A4072. A51

Everyday essentials
Everyday essentials — specifications for A407, A51.
SpecificationA407A51
Dimensions (HxWxD)
  • 124.8 Х 65.2 Х 9.2 mm
  • 136 Х 66 Х 9.9 mm
Weight
  • 105 g
  • 0 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Chipset
  • RDA 8810P
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A407, A51.
SpecificationA407A51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.0%
  • 62.2%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for A407, A51.
SpecificationA407A51
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance
Performance — specifications for A407, A51.
SpecificationA407A51
Processor CPU
  • 1.0 GHz
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for A407, A51.
SpecificationA407A51
Release date
  • 2015
  • May
  • 2016
  • October
Colors
  • Silver
  • White
  • Light Blue
  • Dark Blue
  • Gold
  • Gray
  • Black
  • Gold
Battery life Unknown
  • Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A407, A51.
SpecificationA407A51
SIM card
  • Dual 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
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • EDR
Harmful irradiation
  • SAR EU - 0.80 W/kg (head) 0.88 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A407, A51.
SpecificationA407A51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A407, A51.
SpecificationA407A51
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer For India