Celkon A66 vs HTC One X

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

    A66: 32 g lighter

    A66:
    98 g
    One X:
    130 g
  • Width

    A66: 2.7 mm narrower

    A66:
    67.2 mm
    One X:
    69.9 mm
  • Screen diagonal

    A66: 0.2 in smaller diagonal

    A66:
    4.5 in
    One X:
    4.7 in
  • Depth

    One X: 2.1 mm thinner

    A66:
    11 mm
    One X:
    8.9 mm
  • Release year

    A66:
    2014
    One X:
    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. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +2.1 mm versus One X
  2. 2. One X

    Height:
    134.4 mm
    Width:
    69.9 mm +2.7 mm versus A66
    Depth:
    8.9 mm

Weight

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

  1. 1. A66

    98 g

  2. 2. One X

    130 g

    +32 g versus A66

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. A66

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

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

One X has approximately 9.1% more rectangular screen area than A66.

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.

A66: Original memory entry

4 GB · 512 MB RAM

One X: Original memory entry

16/32 GB (26 GB user available) · 1 GB 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. A66

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

2. One X

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. A66

    2000 mAh

    +200 mAh versus One X

  2. 2. One X

    1800 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. A662. One X

Everyday essentials
Everyday essentials — specifications for A66, One X.
SpecificationA66One X
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 134.4 Х 69.9 Х 8.9 mm
Weight
  • 98 g
  • 130 g
Technology
  • TFT
  • Super IPS LCD2
Screen size
  • 4.5" inch
  • 4.7" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16/32 GB (26 GB user available)
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 4.0 (Ice Cream Sandwich)
  • upgradable to 4.1.1 (Jelly Bean); Sense UI
Chipset Unknown
  • Nvidia Tegra 3
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A66, One X.
SpecificationA66One X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 60.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.1%
  • 64.8%
PPI /points per inch/
  • 218 PPI
  • 312 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for A66, One X.
SpecificationA66One X
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 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

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

Performance — specifications for A66, One X.
SpecificationA66One X
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.5 GHz
Graphics processor GPU Unknown
  • ULP GeForce
Antutu 7 score * Unknown
  • 15483
GeekBench 4 Single Core * Unknown
  • 423
GeekBench 4 Multi-Core * Unknown
  • 981
GeekBench 4 RenderScript * Unknown
  • 622
General specs
General specs — specifications for A66, One X.
SpecificationA66One X
Release date
  • 2014
  • 2012
  • February
Colors
  • White
  • Black
  • Gray
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A66, One X.
SpecificationA66One X
SIM card
  • Dual SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0 (MHL TV-out)
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • aptX
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
  • SAR - 0.68 W/kg (head) 0.70 W/kg (body)
Music and Audio
Music and Audio — specifications for A66, One X.
SpecificationA66One X
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Beats Audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A66, One X.
SpecificationA66One X
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as HTC One XT for China