Allview Viper V1 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: 26.9 g lighter

    Viper V1:
    124.9 g
    A66:
    98 g
  • Width

    A66: 1.2 mm narrower

    Viper V1:
    68.4 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 0.2 in smaller diagonal

    Viper V1:
    4.7 in
    A66:
    4.5 in
  • Depth

    Viper V1: 3.1 mm thinner

    Viper V1:
    7.9 mm
    A66:
    11 mm
  • Release year

    Viper V1:
    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. Viper V1

    Height:
    137.5 mm
    Width:
    68.4 mm +1.2 mm versus A66
    Depth:
    7.9 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +3.1 mm versus Viper V1

Weight

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

  1. 1. Viper V1

    124.9 g

    +26.9 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. Viper V1

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

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

Viper V1 has approximately 9.1% 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 Viper V1, A66, compared at the same storage capacity.
StorageViper V1A66
4 GB 1 GB RAM Unknown
16 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. Viper V1

NFC:
See details Super AMOLED
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. Viper V1

    1800 mAh

  2. 2. A66

    2000 mAh

    +200 mAh versus Viper V1

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. Viper V12. A66

Everyday essentials
Everyday essentials — specifications for Viper V1, A66.
SpecificationViper V1A66
Dimensions (HxWxD)
  • 137.5 Х 68.4 Х 7.9 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 124.9 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.7" 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.
  • 4/16 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.
  • 1800 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Mediatek MT6589 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Viper V1, A66.
SpecificationViper V1A66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
Unknown
Screen area
  • 60.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.7%
  • 61.1%
PPI /points per inch/
  • 312 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Viper V1, A66.
SpecificationViper V1A66
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
  • VGA
Performance

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

Performance — specifications for Viper V1, A66.
SpecificationViper V1A66
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
  • Dual-core 1.2 GHz
Graphics processor GPU
  • PowerVR SGX544
Unknown
Antutu 7 score *
  • 14326
Unknown
General specs
General specs — specifications for Viper V1, A66.
SpecificationViper V1A66
Release date
  • 2013
  • June
  • 2014
Colors
  • Black
  • White
  • Blue
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
Unknown
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 6 h 20 min (2G) / Up to 5 h 30 min (3G)
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Viper V1, A66.
SpecificationViper V1A66
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 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 Viper V1, A66.
SpecificationViper V1A66
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha Audio Amplifier -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Viper V1, A66.
SpecificationViper V1A66
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity