alcatel 3 (2019) vs Celkon A66

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: 47 g lighter

    3 (2019):
    145 g
    A66:
    98 g
  • Width

    A66: 2.5 mm narrower

    3 (2019):
    69.7 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1.44 in smaller diagonal

    3 (2019):
    5.94 in
    A66:
    4.5 in
  • Rear camera layout

    3 (2019):
    Dual
    A66:
    Single
  • Depth

    3 (2019): 3 mm thinner

    3 (2019):
    8 mm
    A66:
    11 mm
  • Height

    A66: 15.1 mm shorter

    3 (2019):
    151.1 mm
    A66:
    136 mm

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. 3 (2019)

    Height:
    151.1 mm +15.1 mm versus A66
    Width:
    69.7 mm +2.5 mm versus A66
    Depth:
    8 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +3 mm versus 3 (2019)

Weight

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

  1. 1. 3 (2019)

    145 g

    +47 g versus A66

  2. 2. A66

    98 g

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. 3 (2019)

    Screen diagonal:
    5.94 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    86.6 cm²
  2. 2. A66

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

3 (2019) has approximately 55.2% 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 3 (2019), A66, compared at the same storage capacity.
Storage3 (2019)A66
32 GB 3 GB RAM Unknown
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. 3 (2019)

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. A66

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

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. 3 (2019)

    3500 mAh

    +1500 mAh versus A66

  2. 2. A66

    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. 3 (2019)2. A66

Everyday essentials
Everyday essentials — specifications for 3 (2019), A66.
Specification3 (2019)A66
Dimensions (HxWxD)
  • 151.1 Х 69.7 Х 8 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 145 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.94" inch
  • 4.5" inch
Screen resolution
  • 720 x 1560 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
Unknown
NFC
  • Yes (market dependent)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for 3 (2019), A66.
Specification3 (2019)A66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 86.6 cm2
  • 55.8 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.2%
  • 61.1%
PPI /points per inch/
  • 289 PPI
  • 218 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for 3 (2019), A66.
Specification3 (2019)A66
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm -5 MP
  • depth sensor
  • 3.15 MP
Functions
  • HDR
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
  • VGA
Performance

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

Performance — specifications for 3 (2019), A66.
Specification3 (2019)A66
Processor CPU
  • Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 505
Unknown
Antutu 7 score *
  • 84562
Unknown
General specs
General specs — specifications for 3 (2019), A66.
Specification3 (2019)A66
Release date
  • 2019
  • February
  • 2014
Colors
  • Blue-purple gradient
  • Black-blue gradien
  • White
  • Black
Battery life Unknown
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for 3 (2019), A66.
Specification3 (2019)A66
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for 3 (2019), A66.
Specification3 (2019)A66
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for 3 (2019), A66.
Specification3 (2019)A66
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity