Celkon A64 vs HTC J

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.

  • Weight

    A64: 11.4 g lighter

    A64:
    125.6 g
    J:
    137 g
  • Width

    A64: 1 mm narrower

    A64:
    65 mm
    J:
    66 mm
  • Screen diagonal

    A64: 0.3 in smaller diagonal

    A64:
    4 in
    J:
    4.3 in
  • Depth

    J: 1 mm thinner

    A64:
    10.5 mm
    J:
    9.5 mm
  • Height

    A64: 7.5 mm shorter

    A64:
    124 mm
    J:
    131.5 mm
  • Release year

    A64:
    2014
    J:
    2012

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 mm versus J
  2. 2. J

    Height:
    131.5 mm +7.5 mm versus A64
    Width:
    66 mm +1 mm versus A64
    Depth:
    9.5 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. A64

    125.6 g

  2. 2. J

    137 g

    +11.4 g versus A64

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. J

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

J has approximately 7% 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, J, compared at the same storage capacity.
StorageA64J
16 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. J

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

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. J

    1810 mAh

    +410 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. J

Everyday essentials
Everyday essentials — specifications for A64, J.
SpecificationA64J
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 131.5 Х 66 Х 9.5 mm
Weight
  • 125.6 g
  • 137 g
Technology
  • TFT
  • AMOLED
Screen size
  • 4" inch
  • 4.3" inch
Screen resolution
  • 320 x 480 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1810 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 4.0.4 (Ice Cream Sandwich); Sense UI 4
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A64, J.
SpecificationA64J
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 47.6 cm2
  • 51.0 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.1%
  • 58.7%
PPI /points per inch/
  • 144 PPI
  • 256 PPI
Camera and Video
Camera and Video — specifications for A64, J.
SpecificationA64J
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance
Performance — specifications for A64, J.
SpecificationA64J
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.5 GHz
General specs
General specs — specifications for A64, J.
SpecificationA64J
Release date
  • 2014
  • 2012
  • April
Colors
  • White
  • Black
  • Black
  • White
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 220 EUR
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, J.
SpecificationA64J
SIM card
  • Dual SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800
Speed Unknown
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot; WiMAX 802.16 e
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, J.
SpecificationA64J
Radio
  • FM radio
  • No
Others Unknown
  • Beats Audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A64, J.
SpecificationA64J
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Organizer -Document viewer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input