Micromax Bolt A066 vs TECNO Spark 3

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.

  • Screen diagonal

    Bolt A066: 2.7 in smaller diagonal

    Bolt A066:
    3.5 in
    Spark 3:
    6.2 in
  • Chipset

    Bolt A066:
    Mediatek MT6571 (28 nm)
    Spark 3:
    Mediatek MT6761 Helio A22 (12 nm)
  • Release year

    Bolt A066:
    2014
    Spark 3:
    2019

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. Spark 3

    Height:
    155.3 mm
    Width:
    75.8 mm
    Depth:
    8.2 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Bolt A066

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Spark 3

    Spark 3: Screen geometry unavailable or conflicting.

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, Spark 3, compared at the same storage capacity.
StorageBolt A066Spark 3
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. Spark 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD

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. Spark 3

    3500 mAh

    +2200 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. Spark 3

Everyday essentials
Everyday essentials — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Dimensions (HxWxD)
  • Х Х mm
  • 155.3 Х 75.8 Х 8.2 mm
Weight
  • 0 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.2" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1500 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 16GB 2GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie)
  • HIOS 5.0
Chipset
  • Mediatek MT6571 (28 nm)
  • Mediatek MT6761 Helio A22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.5 cm2
  • 96.7 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio Unknown
  • 82.2%
PPI /points per inch/
  • 165 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
Functions Unknown
  • LED flash
Video
  • 480p
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
Performance
Performance — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Processor CPU
  • Dual-core 1.3 GHz Cortex-A7
  • Quad-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • PowerVR GE8320
General specs
General specs — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Release date
  • 2014
  • May
  • 2019
  • April
Colors
  • Tranquil Green
  • Pristine White
  • Raging Red
  • Smokey Grey
  • Midnight Black
  • Champagne Gold
  • Aqua Blue
  • Bordeaux Red
Battery life
  • Stand by time- Up to 160 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 42.2/5.76 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
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.37 W/kg (head) 0.41 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Bolt A066, Spark 3.
SpecificationBolt A066Spark 3
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity