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Celkon A66 vs Xolo Black

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Width

    A66: 9.4 mm narrower

    A66:
    67.2 mm
    Black:
    76.6 mm
  • Screen diagonal

    A66: 1 in smaller diagonal

    A66:
    4.5 in
    Black:
    5.5 in
  • Rear camera layout

    A66:
    Single
    Black:
    Dual
  • Depth

    Black: 3.7 mm thinner

    A66:
    11 mm
    Black:
    7.3 mm
  • Height

    A66: 19.5 mm shorter

    A66:
    136 mm
    Black:
    155.5 mm
  • Release year

    A66:
    2014
    Black:
    2015

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. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +3.7 mm versus Black
    Weight:
    98 g
  2. 2. Black

    Height:
    155.5 mm +19.5 mm versus A66
    Width:
    76.6 mm +9.4 mm versus A66
    Depth:
    7.3 mm
    Weight:
    Unknown

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. A66

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

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

Black 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 A66, Black, compared at the same storage capacity.
StorageA66Black
16 GB Unknown 2 GB RAM
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. A66

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

2. Black

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 slot)

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. A66

    2000 mAh

  2. 2. Black

    3200 mAh

    +1200 mAh versus A66

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. A662. Black

Everyday essentials
Everyday essentials — specifications for A66, Black.
SpecificationA66Black
Dimensions (HxWxD)
  • 136 Х 67.2 Х 11 mm
  • 155.5 Х 76.6 Х 7.3 mm
Weight
  • 98 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.5" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Android 5.0 (Lollipop); HIVE Atlas UI
Chipset Unknown
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A66, Black.
SpecificationA66Black
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 82.6 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 61.1%
  • 69.3%
PPI /points per inch/
  • 218 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A66, Black.
SpecificationA66Black
Rear camera, main
  • 3.15 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 3.15 MP
  • 13 MP
  • AF -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA
  • 5 MP
Performance

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

Performance — specifications for A66, Black.
SpecificationA66Black
Processor CPU
  • Dual-core 1.2 GHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
Antutu 7 score * Unknown
  • 30156
General specs
General specs — specifications for A66, Black.
SpecificationA66Black
Release date
  • 2014
  • 2015
  • July
Colors
  • White
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 180 EUR
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 5 h
  • Stand by time- Up to 736 h (2G) / Up to 699 h (3G) Talking time- Up to 36 h (2G) / Up to 24 h (3G)
Body build Unknown
  • Front/back glass (Gorilla Glass 3)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A66, Black.
SpecificationA66Black
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE 1800 TD-LTE 2300
Speed Unknown
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
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
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
  • SAR EU - 0.13 W/kg (head) 0.27 W/kg (body)
Music and Audio
Music and Audio — specifications for A66, Black.
SpecificationA66Black
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A66, Black.
SpecificationA66Black
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For India