BLU Vivo One 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: 62 g lighter

    Vivo One:
    160 g
    A66:
    98 g
  • Width

    A66: 2.9 mm narrower

    Vivo One:
    70.1 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1 in smaller diagonal

    Vivo One:
    5.5 in
    A66:
    4.5 in
  • Depth

    Vivo One: 1.2 mm thinner

    Vivo One:
    9.8 mm
    A66:
    11 mm
  • Height

    A66: 12.4 mm shorter

    Vivo One:
    148.4 mm
    A66:
    136 mm
  • Release year

    Vivo One:
    2018
    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. Vivo One

    Height:
    148.4 mm +12.4 mm versus A66
    Width:
    70.1 mm +2.9 mm versus A66
    Depth:
    9.8 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +1.2 mm versus Vivo One

Weight

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

  1. 1. Vivo One

    160 g

    +62 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. Vivo One

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. A66

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

Vivo One has approximately 39.8% 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 Vivo One, A66, compared at the same storage capacity.
StorageVivo OneA66
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. Vivo One

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. Vivo One

    3000 mAh

    +1000 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. Vivo One2. A66

Everyday essentials
Everyday essentials — specifications for Vivo One, A66.
SpecificationVivo OneA66
Dimensions (HxWxD)
  • 148.4 Х 70.1 Х 9.8 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 160 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1440 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 64 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Mediatek MT6739 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Vivo One, A66.
SpecificationVivo OneA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 78.1 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 75.0%
  • 61.1%
PPI /points per inch/
  • 293 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Vivo One, A66.
SpecificationVivo OneA66
Rear camera, main
  • 12 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 12 MP
  • 3.15 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA
Performance

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

Performance — specifications for Vivo One, A66.
SpecificationVivo OneA66
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • PowerVR GE8100
Unknown
Antutu 7 score *
  • 35472
Unknown
General specs
General specs — specifications for Vivo One, A66.
SpecificationVivo OneA66
Release date
  • 2018
  • February
  • 2014
Colors
  • Black
  • Gold
  • Silver
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 USD
Unknown
Battery life
  • Stand by time- Up to 725 h (2G) / Up to 625 h (3G) Talking time- Up to 26 h (2G) / Up to 16 h (3G)
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Vivo One, A66.
SpecificationVivo OneA66
SIM card
  • Dual SIM (Micro-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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
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
  • 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 Vivo One, A66.
SpecificationVivo OneA66
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Vivo One, A66.
SpecificationVivo OneA66
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity