Micromax Bolt A51 vs QMobile Noir E8

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: 92 g lighter

    Bolt A51:
    118 g
    Noir E8:
    210 g
  • Width

    Bolt A51: 19.8 mm narrower

    Bolt A51:
    62.5 mm
    Noir E8:
    82.3 mm
  • Screen diagonal

    Bolt A51: 2.5 in smaller diagonal

    Bolt A51:
    3.5 in
    Noir E8:
    6 in
  • Depth

    Noir E8: 3.2 mm thinner

    Bolt A51:
    12.8 mm
    Noir E8:
    9.6 mm
  • Height

    Bolt A51: 45.5 mm shorter

    Bolt A51:
    118.5 mm
    Noir E8:
    164 mm
  • Release year

    Bolt A51:
    2013
    Noir E8:
    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 A51

    Height:
    118.5 mm
    Width:
    62.5 mm
    Depth:
    12.8 mm +3.2 mm versus Noir E8
  2. 2. Noir E8

    Height:
    164 mm +45.5 mm versus Bolt A51
    Width:
    82.3 mm +19.8 mm versus Bolt A51
    Depth:
    9.6 mm

Weight

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

  1. 1. Bolt A51

    118 g

  2. 2. Noir E8

    210 g

    +92 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. Noir E8

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

Noir E8 has approximately 172.1% 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, Noir E8, compared at the same storage capacity.
StorageBolt A51Noir E8
64 GB Unknown 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. Bolt A51

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

2. Noir E8

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Noir E8

    3500 mAh

    +2000 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. Noir E8

Everyday essentials
Everyday essentials — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Dimensions (HxWxD)
  • 118.5 Х 62.5 Х 12.8 mm
  • 164 Х 82.3 Х 9.6 mm
Weight
  • 118 g
  • 210 g
Technology
  • TFT
  • AMOLED
Screen size
  • 3.5" inch
  • 6" inch
Screen resolution
  • 320 x 480 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.3.7 (Gingerbread)
  • Android 5.1 (Lollipop); Amigo 3.1
Chipset Unknown
  • Mediatek MT6795 Helio X10 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 99.2 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.3%
  • 73.5%
PPI /points per inch/
  • 165 PPI
  • 490 PPI
Camera and Video
Camera and Video — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Rear camera, main
  • 2 MP
  • Single
  • 24 MP
  • Single
Camera specs
  • 2 MP
  • 24 MP
  • 1/2.3''
  • OIS
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 2160p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
  • AF
Performance
Performance — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Processor CPU
  • 832 MHz
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR G6200
General specs
General specs — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Release date
  • 2013
  • April
  • 2015
  • November
Colors
  • Black/Silver
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 400 EUR
Battery life
  • Stand by time- Up to 140 h Talking time- Up to 4 h 30 min
  • Stand by time- Up to 437 h (2G) / Up to 500 h (3G) Talking time- Up to 39 h (2G) / Up to 20 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
SIM card
  • Dual SIM
  • Dual SIM (Micro-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 -3G - HSDPA 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
USB
  • microUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 3.0
  • 4.0
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Bolt A51, Noir E8.
SpecificationBolt A51Noir E8
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass