Celkon A66 vs Panasonic P77

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: 28 g lighter

    A66:
    98 g
    P77:
    126 g
  • Width

    A66: 4.8 mm narrower

    A66:
    67.2 mm
    P77:
    72 mm
  • Screen diagonal

    A66: 0.5 in smaller diagonal

    A66:
    4.5 in
    P77:
    5 in
  • Depth

    P77: 3.4 mm thinner

    A66:
    11 mm
    P77:
    7.6 mm
  • Height

    A66: 7 mm shorter

    A66:
    136 mm
    P77:
    143 mm
  • Release year

    A66:
    2014
    P77:
    2016

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 +3.4 mm versus P77
  2. 2. P77

    Height:
    143 mm +7 mm versus A66
    Width:
    72 mm +4.8 mm versus A66
    Depth:
    7.6 mm

Weight

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

  1. 1. A66

    98 g

  2. 2. P77

    126 g

    +28 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. P77

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

P77 has approximately 23.5% 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, P77, compared at the same storage capacity.
StorageA66P77
8 GB Unknown 1 GB RAM
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. P77

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 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. P77

    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. P77

Everyday essentials
Everyday essentials — specifications for A66, P77.
SpecificationA66P77
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 143 Х 72 Х 7.6 mm
Weight
  • 98 g
  • 126 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" 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
  • 8/16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 2000 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Mediatek MT6735P (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A66, P77.
SpecificationA66P77
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.1%
  • 66.9%
PPI /points per inch/
  • 218 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for A66, P77.
SpecificationA66P77
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
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance

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

Performance — specifications for A66, P77.
SpecificationA66P77
Processor CPU
  • Dual-core 1.2 GHz
  • Quad-core 1.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720MP2
Antutu 7 score * Unknown
  • 25722
General specs
General specs — specifications for A66, P77.
SpecificationA66P77
Release date
  • 2014
  • 2016
  • September
Colors
  • White
  • Black
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 100 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, P77.
SpecificationA66P77
SIM card
  • Dual SIM
  • Hybrid Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Speed Unknown
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A66, P77.
SpecificationA66P77
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A66, P77.
SpecificationA66P77
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • Infrared port