BLU Quattro 5.7 HD 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: 145 g lighter

    Quattro 5.7 HD:
    243 g
    A66:
    98 g
  • Width

    A66: 15.7 mm narrower

    Quattro 5.7 HD:
    82.9 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1.2 in smaller diagonal

    Quattro 5.7 HD:
    5.7 in
    A66:
    4.5 in
  • Height

    A66: 25.2 mm shorter

    Quattro 5.7 HD:
    161.2 mm
    A66:
    136 mm
  • Release year

    Quattro 5.7 HD:
    2013
    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. Quattro 5.7 HD

    Height:
    161.2 mm +25.2 mm versus A66
    Width:
    82.9 mm +15.7 mm versus A66
    Depth:
    10.6 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm

Weight

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

  1. 1. Quattro 5.7 HD

    243 g

    +145 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. Quattro 5.7 HD

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

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

Quattro 5.7 HD has approximately 60.4% 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 Quattro 5.7 HD, A66, compared at the same storage capacity.
StorageQuattro 5.7 HDA66
4 GB 1 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. Quattro 5.7 HD

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Quattro 5.7 HD

    2800 mAh

    +800 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. Quattro 5.7 HD2. A66

Everyday essentials
Everyday essentials — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Dimensions (HxWxD)
  • 161.2 Х 82.9 Х 10.6 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 243 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.7" 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.
  • 4 GB
  • 1 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • upgradable to 4.1 (Jelly Bean)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Nvidia Tegra 3
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 89.6 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 67.0%
  • 61.1%
PPI /points per inch/
  • 258 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@24fps
  • stereo sound rec.
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA
Performance
Performance — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Processor CPU
  • Quad-core 1.5 GHz
  • Dual-core 1.2 GHz
Graphics processor GPU
  • ULP GeForce
Unknown
General specs
General specs — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Release date
  • 2013
  • February
  • 2014
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
Unknown
Battery life
  • Stand by time- Up to 900 h (2G) / Up to 850 h (3G) Talking time- Up to 30 h (2G) / Up to 15 h (3G)
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • 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 Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Quattro 5.7 HD, A66.
SpecificationQuattro 5.7 HDA66
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as BLU Quattro 5.7 HD D460
  • Sensors Accelerometer
  • proximity