Infinix Smart3 Plus vs Micromax Bolt A51

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

    Bolt A51: 30 g lighter

    Smart3 Plus:
    148 g
    Bolt A51:
    118 g
  • Width

    Bolt A51: 13.5 mm narrower

    Smart3 Plus:
    76 mm
    Bolt A51:
    62.5 mm
  • Screen diagonal

    Bolt A51: 2.7 in smaller diagonal

    Smart3 Plus:
    6.2 in
    Bolt A51:
    3.5 in
  • Rear camera layout

    Smart3 Plus:
    Triple
    Bolt A51:
    Single
  • Depth

    Smart3 Plus: 5 mm thinner

    Smart3 Plus:
    7.8 mm
    Bolt A51:
    12.8 mm
  • Height

    Bolt A51: 38.5 mm shorter

    Smart3 Plus:
    157 mm
    Bolt A51:
    118.5 mm

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. Smart3 Plus

    Height:
    157 mm +38.5 mm versus Bolt A51
    Width:
    76 mm +13.5 mm versus Bolt A51
    Depth:
    7.8 mm
  2. 2. Bolt A51

    Height:
    118.5 mm
    Width:
    62.5 mm
    Depth:
    12.8 mm +5 mm versus Smart3 Plus

Weight

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

  1. 1. Smart3 Plus

    148 g

    +30 g versus Bolt A51

  2. 2. Bolt A51

    118 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. Smart3 Plus

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. Bolt A51

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

Smart3 Plus has approximately 163% more rectangular screen area than Bolt A51.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Smart3 Plus: Original memory entry

32 GB · 2/3 GB RAM

Bolt A51: Original memory entry

512 MB · 256 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. Smart3 Plus

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

2. Bolt A51

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. Smart3 Plus

    3500 mAh

    +2000 mAh versus Bolt A51

  2. 2. Bolt A51

    1500 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. Smart3 Plus2. Bolt A51

Everyday essentials
Everyday essentials — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Dimensions (HxWxD)
  • 157 Х 76 Х 7.8 mm
  • 118.5 Х 62.5 Х 12.8 mm
Weight
  • 148 g
  • 118 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 3.5" inch
Screen resolution
  • 720 x 1520 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 2/3 GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 2.3.7 (Gingerbread)
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.4 cm2
  • 36.5 cm2
Screen format
  • 19:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 81.6%
  • 49.3%
PPI /points per inch/
  • 269 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Rear camera, main
  • 13 MP
  • Triple
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • PDAF -2 MP -QVGA
  • 2 MP
Functions
  • Dual-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 Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • 832 MHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 56322
Unknown
General specs
General specs — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Release date
  • 2019
  • April
  • 2013
  • April
Colors
  • Midnight Black
  • Aqua Blue
  • Cosmic Purple
  • Bordeaux Red
  • Black/Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 7000 INR
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
SIM card
  • Dual SIM (Micro-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 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 32
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 3.0
Music and Audio
Music and Audio — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Smart3 Plus, Bolt A51.
SpecificationSmart3 PlusBolt A51
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer