Micromax Bolt A066 vs Xolo Black

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.

  • Screen diagonal

    Bolt A066: 2 in smaller diagonal

    Bolt A066:
    3.5 in
    Black:
    5.5 in
  • Chipset

    Bolt A066:
    Mediatek MT6571 (28 nm)
    Black:
    Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Rear camera layout

    Bolt A066:
    Single
    Black:
    Dual
  • Release year

    Bolt A066:
    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. Bolt A066

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Black

    Height:
    155.5 mm
    Width:
    76.6 mm
    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. Bolt A066

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 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 128.6% more rectangular screen area than Bolt A066.

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 Bolt A066, Black, compared at the same storage capacity.
StorageBolt A066Black
16 GB Unknown 2 GB RAM
Bolt A066: 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. Bolt A066

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. Bolt A066

    1300 mAh

  2. 2. Black

    3200 mAh

    +1900 mAh versus Bolt A066

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. Bolt A0662. Black

Everyday essentials
Everyday essentials — specifications for Bolt A066, Black.
SpecificationBolt A066Black
Dimensions (HxWxD)
  • Х Х mm
  • 155.5 Х 76.6 Х 7.3 mm
Weight
  • 0 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 320 x 480 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.
  • 1300 mAh
  • Removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 5.0 (Lollipop); HIVE Atlas UI
Chipset
  • Mediatek MT6571 (28 nm)
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt A066, Black.
SpecificationBolt A066Black
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.5 cm2
  • 82.6 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 69.3%
PPI /points per inch/
  • 165 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Bolt A066, Black.
SpecificationBolt A066Black
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • 13 MP
  • AF -2 MP
  • depth sensor
Functions Unknown
  • LED flash
Video
  • 480p
  • 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 Bolt A066, Black.
SpecificationBolt A066Black
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400
  • Adreno 405
Antutu 7 score * Unknown
  • 30156
General specs
General specs — specifications for Bolt A066, Black.
SpecificationBolt A066Black
Release date
  • 2014
  • May
  • 2015
  • July
Colors
  • Tranquil Green
  • Pristine White
  • Raging Red
  • Smokey Grey
  • 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 6 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 Bolt A066, Black.
SpecificationBolt A066Black
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
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.37 W/kg (head) 0.41 W/kg (body)
  • SAR EU - 0.13 W/kg (head) 0.27 W/kg (body)
Music and Audio
Music and Audio — specifications for Bolt A066, Black.
SpecificationBolt A066Black
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Bolt A066, Black.
SpecificationBolt A066Black
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - For India