Celkon A64 vs Lava X28

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

    A64: 13 mm narrower

    A64:
    65 mm
    X28:
    78 mm
  • Screen diagonal

    A64: 1.5 in smaller diagonal

    A64:
    4 in
    X28:
    5.5 in
  • Depth

    X28: 1.5 mm thinner

    A64:
    10.5 mm
    X28:
    9 mm
  • Height

    A64: 31 mm shorter

    A64:
    124 mm
    X28:
    155 mm
  • Release year

    A64:
    2014
    X28:
    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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm +1.5 mm versus X28
    Weight:
    125.6 g
  2. 2. X28

    Height:
    155 mm +31 mm versus A64
    Width:
    78 mm +13 mm versus A64
    Depth:
    9 mm
    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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. X28

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

X28 has approximately 75% more rectangular screen area than A64.

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 A64, X28, compared at the same storage capacity.
StorageA64X28
8 GB Unknown 1 GB RAM
A64: Original memory entry

512 MB · 256 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. A64

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

2. X28

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. A64

    1400 mAh

  2. 2. X28

    2600 mAh

    +1200 mAh versus A64

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. A642. X28

Everyday essentials
Everyday essentials — specifications for A64, X28.
SpecificationA64X28
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 155 Х 78 Х 9 mm
Weight
  • 125.6 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 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
  • 1 GB 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
  • 2600 mAh
  • Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 6.0 (Marshmallow)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, X28.
SpecificationA64X28
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.1%
  • 69.0%
PPI /points per inch/
  • 144 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for A64, X28.
SpecificationA64X28
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A64, X28.
SpecificationA64X28
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.3 GHz
Antutu 7 score * Unknown
  • 25142
General specs
General specs — specifications for A64, X28.
SpecificationA64X28
Release date
  • 2014
  • 2016
  • September
Colors
  • White
  • Black
  • Black/Gold
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A64, X28.
SpecificationA64X28
SIM card
  • Dual SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Speed Unknown
  • HSPA
  • LTE
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
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, X28.
SpecificationA64X28
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A64, X28.
SpecificationA64X28
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity - For India