Karbonn A30 vs Vertu Signature Touch (2015)

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

    Signature Touch (2015): 55 g lighter

    A30:
    280 g
    Signature Touch (2015):
    225 g
  • Width

    Signature Touch (2015): 17 mm narrower

    A30:
    91 mm
    Signature Touch (2015):
    74 mm
  • Screen diagonal

    Signature Touch (2015): 0.7 in smaller diagonal

    A30:
    5.9 in
    Signature Touch (2015):
    5.2 in
  • Height

    Signature Touch (2015): 11 mm shorter

    A30:
    166 mm
    Signature Touch (2015):
    155 mm
  • Release year

    A30:
    2012
    Signature Touch (2015):
    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. A30

    Height:
    166 mm +11 mm versus Signature Touch (2015)
    Width:
    91 mm +17 mm versus Signature Touch (2015)
    Depth:
    10.7 mm
  2. 2. Signature Touch (2015)

    Height:
    155 mm
    Width:
    74 mm
    Depth:
    10.8 mm

Weight

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

  1. 1. A30

    280 g

    +55 g versus Signature Touch (2015)

  2. 2. Signature Touch (2015)

    225 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. A30

    Screen diagonal:
    5.9 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    99.1 cm²
  2. 2. Signature Touch (2015)

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

A30 has approximately 32.9% more rectangular screen area than Signature Touch (2015).

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A30: Original memory entry

4 GB · 512 MB RAM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. A30

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

2. Signature Touch (2015)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A30

    2500 mAh

  2. 2. Signature Touch (2015)

    3160 mAh

    +660 mAh versus A30

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. A302. Signature Touch (2015)

Everyday essentials
Everyday essentials — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Dimensions (HxWxD)
  • 166 Х 91 Х 10.7 mm
  • 155 Х 74 Х 10.8 mm
Weight
  • 280 g
  • 225 g
Technology
  • TFT
  • Sapphire crystal glass
Screen size
  • 5.9" inch
  • 5.2" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Li-Ion
  • 3160 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.0.4 (Ice Cream Sandwich)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 99.1 cm2
  • 74.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.6%
  • 65.0%
PPI /points per inch/
  • 158 PPI
  • 424 PPI
Screen protection Unknown
  • Sapphire crystal glass
Camera and Video
Camera and Video — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Rear camera, main
  • 8 MP
  • Single
  • 21 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 21 MP
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 2.1 MP
  • Single
Specifications
  • 1.3 MP
  • 2.1 MP
Performance
Performance — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Graphics processor GPU Unknown
  • Adreno 430
General specs
General specs — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Release date
  • 2012
  • 2015
  • September
Colors
  • Black/White
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 9000 EUR
Battery life
  • Stand by time- Up to 600 h Talking time- Up to 10 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
SIM card
  • Dual SIM (Mini-SIM)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • 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
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0 (MHL)
  • USB Host
Bluetooth
  • 2.0
  • 4.0
  • A2DP
  • LE
  • aptX
Harmful irradiation
  • SAR EU - 0.46 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Radio
  • FM radio
  • No
Others Unknown
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A30, Signature Touch (2015).
SpecificationA30Signature Touch (2015)
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel