Celkon Q455 vs Lava A51

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.

  • Width

    A51: 2 mm narrower

    Q455:
    68 mm
    A51:
    66 mm
  • Depth

    Q455: 2 mm thinner

    Q455:
    7.9 mm
    A51:
    9.9 mm
  • Release year

    Q455:
    2014
    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. Q455

    Height:
    136.5 mm
    Width:
    68 mm +2 mm versus A51
    Depth:
    7.9 mm
    Weight:
    130 g
  2. 2. A51

    Height:
    136 mm
    Width:
    66 mm
    Depth:
    9.9 mm +2 mm versus Q455
    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. Q455

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. A51

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

Recorded RAM for Q455, A51, compared at the same storage capacity.
StorageQ455A51
16 GB 1 GB RAM Unknown
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. Q455

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. Q455

    2000 mAh

    +250 mAh versus A51

  2. 2. A51

    1750 mAh

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. Q4552. A51

Everyday essentials
Everyday essentials — specifications for Q455, A51.
SpecificationQ455A51
Dimensions (HxWxD)
  • 136.5 Х 68 Х 7.9 mm
  • 136 Х 66 Х 9.9 mm
Weight
  • 130 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 4.5" inch
Screen resolution
  • 540 x 960 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0 (Marshmallow)
Chipset Unknown
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q455, A51.
SpecificationQ455A51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 60.1%
  • 62.2%
PPI /points per inch/
  • 245 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Q455, A51.
SpecificationQ455A51
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • 5 MP
Functions Unknown
  • 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 Q455, A51.
SpecificationQ455A51
Processor CPU
  • Quad-core 1.2
  • Quad-core 1.2 GHz
General specs
General specs — specifications for Q455, A51.
SpecificationQ455A51
Release date
  • 2014
  • 2016
  • October
Colors
  • White
  • Black
  • Blue
  • Gray
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Battery life
  • Talking time- Up to 6 h (3G)
  • 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 Q455, A51.
SpecificationQ455A51
SIM card
  • Dual SIM (Mini-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
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • 2.1
  • EDR
Harmful irradiation
  • SAR EU - 0.47 W/kg (head) 0.41 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q455, A51.
SpecificationQ455A51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Q455, A51.
SpecificationQ455A51
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer For India