BLU Life Max 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: 11.1 mm narrower

    Life Max:
    77.1 mm
    A7 Star:
    66 mm
  • Screen diagonal

    A7 Star: 1 in smaller diagonal

    Life Max:
    5.5 in
    A7 Star:
    4.5 in
  • Chipset

    Life Max:
    Mediatek MT6737 (28 nm)
    A7 Star:
    Mediatek MT6517
  • Depth

    Life Max: 1.7 mm thinner

    Life Max:
    8.7 mm
    A7 Star:
    10.4 mm
  • Height

    A7 Star: 41.5 mm shorter

    Life Max:
    154.5 mm
    A7 Star:
    113 mm
  • Release year

    Life Max:
    2016
    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. Life Max

    Height:
    154.5 mm +41.5 mm versus A7 Star
    Width:
    77.1 mm +11.1 mm versus A7 Star
    Depth:
    8.7 mm
    Weight:
    153 g
  2. 2. A7 Star

    Height:
    113 mm
    Width:
    66 mm
    Depth:
    10.4 mm +1.7 mm versus Life Max
    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. Life Max

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

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

Life Max has approximately 49.4% 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 Life Max, A7 Star, compared at the same storage capacity.
StorageLife MaxA7 Star
16 GB 2 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. Life Max

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. Life Max

    3700 mAh

    +2300 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. Life Max2. A7 Star

Everyday essentials
Everyday essentials — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Dimensions (HxWxD)
  • 154.5 Х 77.1 Х 8.7 mm
  • 113 Х 66 Х 10.4 mm
Weight
  • 153 g
  • 0 g
Technology
  • IPS LCD
Unknown
Screen size
  • 5.5" 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
  • 2 GB RAM
  • 164 MB
Memory card support
  • microSD
  • up to 64 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3700 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6737 (28 nm)
  • Mediatek MT6517
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 70.0%
  • 74.8%
PPI /points per inch/
  • 267 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
Unknown
Performance

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

Performance — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • Mali-T720
  • PowerVR SGX531u
Antutu 7 score *
  • 29456
Unknown
GeekBench 4 Single Core *
  • 565
Unknown
GeekBench 4 Multi-Core *
  • 1606
Unknown
General specs
General specs — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Release date
  • 2016
  • November
  • 2013
Colors
  • Dark Blue
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 550 h (3G) Talking time- Up to 28 h (2G) / Up to 19 h (3G)
  • Stand by time- Up to 135 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
SIM card
  • Dual SIM (Micro-SIM)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
  • 17(700)
Unknown
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB Host
  • Proprietary
Bluetooth
  • 4.1
  • A2DP
  • LE
  • Yes
Harmful irradiation Unknown
  • SAR EU - 0.99 W/kg (head)
Music and Audio
Music and Audio — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Life Max, A7 Star.
SpecificationLife MaxA7 Star
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity