Celkon A66 vs Mitac MIO A502

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: 37 g lighter

    A66:
    98 g
    MIO A502:
    135 g
  • Width

    MIO A502: 7.6 mm narrower

    A66:
    67.2 mm
    MIO A502:
    59.6 mm
  • Screen diagonal

    MIO A502: 1.8 in smaller diagonal

    A66:
    4.5 in
    MIO A502:
    2.7 in
  • Depth

    A66: 9.7 mm thinner

    A66:
    11 mm
    MIO A502:
    20.7 mm
  • Height

    MIO A502: 40.3 mm shorter

    A66:
    136 mm
    MIO A502:
    95.7 mm
  • Release year

    A66:
    2014
    MIO A502:
    2007

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 +40.3 mm versus MIO A502
    Width:
    67.2 mm +7.6 mm versus MIO A502
    Depth:
    11 mm
  2. 2. MIO A502

    Height:
    95.7 mm
    Width:
    59.6 mm
    Depth:
    20.7 mm +9.7 mm versus A66

Weight

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

  1. 1. A66

    98 g

  2. 2. MIO A502

    135 g

    +37 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. MIO A502

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²

A66 has approximately 147.3% more rectangular screen area than MIO A502.

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

MIO A502: Original memory entry

64 MB RAM · ROM varies by region

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. MIO A502

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD/MMC · SDIO

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

    +950 mAh versus MIO A502

  2. 2. MIO A502

    1050 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. MIO A502

Everyday essentials
Everyday essentials — specifications for A66, MIO A502.
SpecificationA66MIO A502
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 95.7 Х 59.6 Х 20.7 mm
Weight
  • 98 g
  • 135 g
Technology
  • TFT
  • TFT
Screen size
  • 4.5" inch
  • 2.7" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 MB RAM
  • ROM varies by region
Memory card support
  • microSD
  • up to 32 GB
  • SD/MMC
  • SDIO
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Windows Mobile 6 Professional
Chipset Unknown
  • TI OMAP 850
Headphone jack
  • Yes
  • No
Display
Display — specifications for A66, MIO A502.
SpecificationA66MIO A502
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 55.8 cm2
  • 22.6 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 61.1%
  • 39.6%
PPI /points per inch/
  • 218 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for A66, MIO A502.
SpecificationA66MIO A502
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A66, MIO A502.
SpecificationA66MIO A502
Processor CPU
  • Dual-core 1.2 GHz
  • 200 MHz ARM926EJ-S
General specs
General specs — specifications for A66, MIO A502.
SpecificationA66MIO A502
Release date
  • 2014
  • 2007
  • Q4
Colors
  • White
  • Black
  • Gray
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
  • Stand by time- Up to 200 h
Communication and Connectivity
Communication and Connectivity — specifications for A66, MIO A502.
SpecificationA66MIO A502
SIM card
  • Dual SIM
  • Mini-SIM
GPRS
  • Yes
  • Class 10
Edge
  • Yes
Unknown
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • Yes
  • SiRF Star III chipset
USB
  • microUSB
  • miniUSB 2.0
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A66, MIO A502.
SpecificationA66MIO A502
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition -5 way joystick
Other features
Other features — specifications for A66, MIO A502.
SpecificationA66MIO A502
Dop
  • Sensors Accelerometer
  • proximity
  • Car antenna connector -MP3/MP4 player -Organizer -Pocket Office -Voice memo/dial