Celkon A66 vs HTC One Max

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: 119 g lighter

    A66:
    98 g
    One Max:
    217 g
  • Width

    A66: 15.3 mm narrower

    A66:
    67.2 mm
    One Max:
    82.5 mm
  • Screen diagonal

    A66: 1.4 in smaller diagonal

    A66:
    4.5 in
    One Max:
    5.9 in
  • Depth

    One Max: 0.7 mm thinner

    A66:
    11 mm
    One Max:
    10.3 mm
  • Height

    A66: 28.5 mm shorter

    A66:
    136 mm
    One Max:
    164.5 mm
  • Release year

    A66:
    2014
    One Max:
    2013

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 +0.7 mm versus One Max
  2. 2. One Max

    Height:
    164.5 mm +28.5 mm versus A66
    Width:
    82.5 mm +15.3 mm versus A66
    Depth:
    10.3 mm

Weight

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

  1. 1. A66

    98 g

  2. 2. One Max

    217 g

    +119 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 Max

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

One Max has approximately 71.9% 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.

Recorded RAM for A66, One Max, compared at the same storage capacity.
StorageA66One Max
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
A66: Original memory entry

4 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. A66

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

2. One Max

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. A66

    2000 mAh

  2. 2. One Max

    3300 mAh

    +1300 mAh versus A66

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 Max

Everyday essentials
Everyday essentials — specifications for A66, One Max.
SpecificationA66One Max
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 164.5 Х 82.5 Х 10.3 mm
Weight
  • 98 g
  • 217 g
Technology
  • TFT
  • Super LCD3
Screen size
  • 4.5" inch
  • 5.9" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 1920 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
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 4.3 (Jelly Bean)
  • upgradable to 5.0 (Lollipop); Sense UI 5.5
Chipset Unknown
  • Qualcomm APQ8064 Snapdragon 600
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A66, One Max.
SpecificationA66One Max
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 96.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.1%
  • 70.7%
PPI /points per inch/
  • 218 PPI
  • 373 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A66, One Max.
SpecificationA66One Max
Rear camera, main
  • 3.15 MP
  • Single
  • 4 MP
  • Single
Camera specs
  • 3.15 MP
  • 4 MP
  • 1/3''
  • 2µm
  • AF
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • VGA
  • 2.1 MP
Performance

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

Performance — specifications for A66, One Max.
SpecificationA66One Max
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.7 GHz Krait 300
Graphics processor GPU Unknown
  • Adreno 320
Antutu 7 score * Unknown
  • 26775
GeekBench 4 Single Core * Unknown
  • 645
GeekBench 4 Multi-Core * Unknown
  • 1903
General specs
General specs — specifications for A66, One Max.
SpecificationA66One Max
Release date
  • 2014
  • 2013
  • October
Colors
  • White
  • Black
  • Silver
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 370 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
  • Stand by time- Up to 585 h (3G) Talking time- Up to 25 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A66, One Max.
SpecificationA66One Max
SIM card
  • Dual SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 - for Verizon
  • Sprint -3G - HSDPA 900 / 1900 / 2100 - EMEA HSDPA 850 / 900 / 1900 / 2100 - Asia HSDPA 1900 / 2100 - for Sprint -4G - LTE band 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - EMEA LTE band 1(2100)
  • 3(1800)
  • 8(900) - Asia LTE band 4(1700/2100)
  • 13(700) - Verison
Speed Unknown
  • HSPA
  • LTE Cat3 100/50 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/ac
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
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 - 0.81 W/kg (head) 0.21 W/kg (body)
Music and Audio
Music and Audio — specifications for A66, One Max.
SpecificationA66One Max
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • BoomSound dual front stereo speakers -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A66, One Max.
SpecificationA66One Max
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Available as HTC One Max Dual SIM for China