Celkon A66 vs HTC Evo 4G LTE

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: 36 g lighter

    A66:
    98 g
    Evo 4G LTE:
    134 g
  • Width

    A66: 1.7 mm narrower

    A66:
    67.2 mm
    Evo 4G LTE:
    68.9 mm
  • Screen diagonal

    A66: 0.2 in smaller diagonal

    A66:
    4.5 in
    Evo 4G LTE:
    4.7 in
  • Depth

    Evo 4G LTE: 2.1 mm thinner

    A66:
    11 mm
    Evo 4G LTE:
    8.9 mm
  • Release year

    A66:
    2014
    Evo 4G LTE:
    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 Evo 4G LTE
  2. 2. Evo 4G LTE

    Height:
    134.8 mm
    Width:
    68.9 mm +1.7 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. Evo 4G LTE

    134 g

    +36 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. Evo 4G LTE

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

Evo 4G LTE 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.

Recorded RAM for A66, Evo 4G LTE, compared at the same storage capacity.
StorageA66Evo 4G LTE
16 GB Unknown 1 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. Evo 4G LTE

NFC:
Yes
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. A66

    2000 mAh

  2. 2. Evo 4G LTE

    2000 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. Evo 4G LTE

Everyday essentials
Everyday essentials — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 134.8 Х 68.9 Х 8.9 mm
Weight
  • 98 g
  • 134 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 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.
  • 2000 mAh
  • Li-Ion
  • 2000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 4.0.3 (Ice Cream Sandwich); Sense UI 4
Chipset Unknown
  • Qualcomm MSM8960 Snapdragon S4 Plus
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
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%
  • 65.6%
PPI /points per inch/
  • 218 PPI
  • 312 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
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
Performance — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.5 GHz Krait
Graphics processor GPU Unknown
  • Adreno 225
General specs
General specs — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
Release date
  • 2014
  • 2012
  • April
Colors
  • White
  • Black
  • Gray
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
  • Talking time- Up to 7 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
SIM card
  • Dual SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - CDMA 800 / 1900 -3G - CDMA2000 1xEV-DO -4G - LTE band 25(1900)
Speed Unknown
  • LTE Cat3 100/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
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
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
  • SAR - 0.72 W/kg (head) 1.29 W/kg (body)
Music and Audio
Music and Audio — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Beats Audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A66, Evo 4G LTE.
SpecificationA66Evo 4G LTE
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/DivX/Xvid/H.264/WMV player -MP3/eAAC+/WMA/WAV player -Document editor -Voice memo/dial/commands -Predictive text input - Built-in kickstand - For Sprint