Micromax Bolt A51 vs vivo X30

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.

  • Weight

    Bolt A51: 78.5 g lighter

    Bolt A51:
    118 g
    X30:
    196.5 g
  • Width

    Bolt A51: 11.6 mm narrower

    Bolt A51:
    62.5 mm
    X30:
    74.1 mm
  • Screen diagonal

    Bolt A51: 2.94 in smaller diagonal

    Bolt A51:
    3.5 in
    X30:
    6.44 in
  • Rear camera layout

    Bolt A51:
    Single
    X30:
    Triple
  • Depth

    X30: 4 mm thinner

    Bolt A51:
    12.8 mm
    X30:
    8.8 mm
  • Height

    Bolt A51: 40 mm shorter

    Bolt A51:
    118.5 mm
    X30:
    158.5 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. Bolt A51

    Height:
    118.5 mm
    Width:
    62.5 mm
    Depth:
    12.8 mm +4 mm versus X30
  2. 2. X30

    Height:
    158.5 mm +40 mm versus Bolt A51
    Width:
    74.1 mm +11.6 mm versus Bolt A51
    Depth:
    8.8 mm

Weight

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

  1. 1. Bolt A51

    118 g

  2. 2. X30

    196.5 g

    +78.5 g versus Bolt A51

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 A51

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. X30

    Screen diagonal:
    6.44 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    100.1 cm²

X30 has approximately 174.5% 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.

Recorded RAM for Bolt A51, X30, compared at the same storage capacity.
StorageBolt A51X30
128 GB Unknown 8 GB RAM
256 GB Unknown 8 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. Bolt A51

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

2. X30

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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 A51

    1500 mAh

  2. 2. X30

    4350 mAh

    +2850 mAh versus Bolt A51

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 A512. X30

Everyday essentials
Everyday essentials — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Dimensions (HxWxD)
  • 118.5 Х 62.5 Х 12.8 mm
  • 158.5 Х 74.1 Х 8.8 mm
Weight
  • 118 g
  • 196.5 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.44" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4350 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • Android 9.0 (Pie); Funtouch 10.0
Chipset Unknown
  • Exynos 980 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 100.1 cm2
Screen format
  • 3:2 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 49.3%
  • 85.3%
PPI /points per inch/
  • 165 PPI
  • 409 PPI
Camera and Video
Camera and Video — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Rear camera, main
  • 2 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 2 MP
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF
  • laser AF
  • OIS -32 MP
  • f/2.0
  • 50mm (telephoto)
  • 1/2.8"
  • OIS
  • 2x optical zoom -8 MP
  • f/2.2
  • 16mm (ultrawide)
  • 1/4.0"
  • 1.12µm
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 32 MP
  • Single
Specifications
  • VGA
  • 32 MP
  • f/2.4
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Performance

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

Performance — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Processor CPU
  • 832 MHz
  • Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Graphics processor GPU Unknown
  • Mali-G76 MP5
Antutu 8 score * Unknown
  • 332541
General specs
General specs — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Release date
  • 2013
  • April
  • 2019
  • December
Colors
  • Black/Silver
  • Black
  • Peach
  • Light Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 420 EUR
Battery life
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
Unknown
Body build Unknown
  • Glass front
  • glass back
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A51, X30.
SpecificationBolt A51X30
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) -5G - 5G band 41(2500)
  • 78(3500); SA/NSA
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • 5G (3.6+ Gbps DL)
GPRS
  • Class 12
  • Yes
Edge
  • Class 32
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 3.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Radio
  • FM radio
  • FM radio
Others Unknown
  • HDR -800 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Bolt A51, X30.
SpecificationBolt A51X30
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 33W