Infinix Smart vs Karbonn A7 Star

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: 5.9 mm narrower

    Smart:
    71.9 mm
    A7 Star:
    66 mm
  • Screen diagonal

    A7 Star: 0.5 in smaller diagonal

    Smart:
    5 in
    A7 Star:
    4.5 in
  • Chipset

    Smart:
    Mediatek MT6580 (28 nm)
    A7 Star:
    Mediatek MT6517
  • Depth

    Smart: 2 mm thinner

    Smart:
    8.4 mm
    A7 Star:
    10.4 mm
  • Height

    A7 Star: 31.9 mm shorter

    Smart:
    144.9 mm
    A7 Star:
    113 mm
  • Release year

    Smart:
    2017
    A7 Star:
    2013

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. Smart

    Height:
    144.9 mm +31.9 mm versus A7 Star
    Width:
    71.9 mm +5.9 mm versus A7 Star
    Depth:
    8.4 mm
    Weight:
    145 g
  2. 2. A7 Star

    Height:
    113 mm
    Width:
    66 mm
    Depth:
    10.4 mm +2 mm versus Smart
    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.

  1. 1. Smart

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A7 Star

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

Smart 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 Smart, A7 Star, compared at the same storage capacity.
StorageSmartA7 Star
16 GB 1 GB RAM Unknown
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. Smart

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB

2. A7 Star

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. Smart

    3060 mAh

    +1660 mAh versus A7 Star

  2. 2. A7 Star

    1400 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. Smart2. A7 Star

Everyday essentials
Everyday essentials — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Dimensions (HxWxD)
  • 144.9 Х 71.9 Х 8.4 mm
  • 113 Х 66 Х 10.4 mm
Weight
  • 145 g
  • 0 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 164 MB
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3060 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6517
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.2%
  • 74.8%
PPI /points per inch/
  • 294 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
Unknown
Performance

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

Performance — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-400MP2
  • PowerVR SGX531u
Antutu 7 score *
  • 21782
Unknown
General specs
General specs — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Release date
  • 2017
  • 2013
Colors
  • Champagne Gold
  • Sandstone Black
  • Bordeaux Red
  • Mysterious blue
  • Apple Green
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 135 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
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
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • LE
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.99 W/kg (head)
Music and Audio
Music and Audio — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Smart, A7 Star.
SpecificationSmartA7 Star
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity