Karbonn A7 Star vs Micromax Canvas Pulse 4G E451

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.

  • Width

    A7 Star: 4.4 mm narrower

    A7 Star:
    66 mm
    Canvas Pulse 4G E451:
    70.4 mm
  • Screen diagonal

    A7 Star: 0.5 in smaller diagonal

    A7 Star:
    4.5 in
    Canvas Pulse 4G E451:
    5 in
  • Depth

    Canvas Pulse 4G E451: 1.6 mm thinner

    A7 Star:
    10.4 mm
    Canvas Pulse 4G E451:
    8.8 mm
  • Height

    A7 Star: 27.8 mm shorter

    A7 Star:
    113 mm
    Canvas Pulse 4G E451:
    140.8 mm
  • Release year

    A7 Star:
    2013
    Canvas Pulse 4G E451:
    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. A7 Star

    Height:
    113 mm
    Width:
    66 mm
    Depth:
    10.4 mm +1.6 mm versus Canvas Pulse 4G E451
    Weight:
    Unknown
  2. 2. Canvas Pulse 4G E451

    Height:
    140.8 mm +27.8 mm versus A7 Star
    Width:
    70.4 mm +4.4 mm versus A7 Star
    Depth:
    8.8 mm
    Weight:
    128 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. A7 Star

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Canvas Pulse 4G E451

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

Canvas Pulse 4G E451 has approximately 23.5% more rectangular screen area than A7 Star.

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 A7 Star, Canvas Pulse 4G E451, compared at the same storage capacity.
StorageA7 StarCanvas Pulse 4G E451
16 GB Unknown 3 GB RAM
A7 Star: Original memory entry

164 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A7 Star

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

2. Canvas Pulse 4G E451

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. A7 Star

    1400 mAh

  2. 2. Canvas Pulse 4G E451

    2100 mAh

    +700 mAh versus A7 Star

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. A7 Star2. Canvas Pulse 4G E451

Everyday essentials
Everyday essentials — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Dimensions (HxWxD)
  • 113 Х 66 Х 10.4 mm
  • 140.8 Х 70.4 Х 8.8 mm
Weight
  • 0 g
  • 128 g
Technology Unknown
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 164 MB
  • 16 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6517
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 74.8%
  • 69.5%
PPI /points per inch/
  • 218 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance

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

Performance — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core 1.3 GHz
Graphics processor GPU
  • PowerVR SGX531u
Unknown
Antutu 7 score * Unknown
  • 35252
General specs
General specs — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Release date
  • 2013
  • 2015
  • December
Colors
  • white/black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 135 h Talking time- Up to 5 h
  • Stand by time- Up to 190 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
SIM card
  • Dual SIM
  • Dual SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 40(2300)
Speed Unknown
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.99 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A7 Star, Canvas Pulse 4G E451.
SpecificationA7 StarCanvas Pulse 4G E451
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity