alcatel Fierce 4 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: 65.9 g lighter

    Fierce 4:
    163.9 g
    A66:
    98 g
  • Width

    A66: 9.8 mm narrower

    Fierce 4:
    77 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1 in smaller diagonal

    Fierce 4:
    5.5 in
    A66:
    4.5 in
  • Depth

    Fierce 4: 2.9 mm thinner

    Fierce 4:
    8.1 mm
    A66:
    11 mm
  • Height

    A66: 14.9 mm shorter

    Fierce 4:
    150.9 mm
    A66:
    136 mm
  • Release year

    Fierce 4:
    2016
    A66:
    2014

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. Fierce 4

    Height:
    150.9 mm +14.9 mm versus A66
    Width:
    77 mm +9.8 mm versus A66
    Depth:
    8.1 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +2.9 mm versus Fierce 4

Weight

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

  1. 1. Fierce 4

    163.9 g

    +65.9 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. Fierce 4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A66

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

Fierce 4 has approximately 49.4% 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 Fierce 4, A66, compared at the same storage capacity.
StorageFierce 4A66
16 GB 2 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. Fierce 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated 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. Fierce 4

    2500 mAh

    +500 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. Fierce 42. A66

Everyday essentials
Everyday essentials — specifications for Fierce 4, A66.
SpecificationFierce 4A66
Dimensions (HxWxD)
  • 150.9 Х 77 Х 8.1 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 163.9 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fierce 4, A66.
SpecificationFierce 4A66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.8%
  • 61.1%
PPI /points per inch/
  • 267 PPI
  • 218 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Fierce 4, A66.
SpecificationFierce 4A66
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA
Performance
Performance — specifications for Fierce 4, A66.
SpecificationFierce 4A66
Processor CPU
  • Quad-core 1.1 GHz Cortex-A7
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 304
Unknown
General specs
General specs — specifications for Fierce 4, A66.
SpecificationFierce 4A66
Release date
  • 2016
  • August
  • 2014
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 526 h (3G) Talking time- Up to 12 h (3G)
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Fierce 4, A66.
SpecificationFierce 4A66
SIM card
  • Nano-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
Unknown
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.1
  • 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 Fierce 4, A66.
SpecificationFierce 4A66
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Fierce 4, A66.
SpecificationFierce 4A66
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity