Icemobile Crystal vs Karbonn A2

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

    Crystal: 7.4 mm narrower

    Crystal:
    56.2 mm
    A2:
    63.6 mm
  • Screen diagonal

    Crystal: 0.5 in smaller diagonal

    Crystal:
    3.5 in
    A2:
    4 in
  • Depth

    A2: 0.7 mm thinner

    Crystal:
    13.1 mm
    A2:
    12.4 mm
  • Height

    Crystal: 12.5 mm shorter

    Crystal:
    111.5 mm
    A2:
    124 mm
  • Release year

    Crystal:
    2011
    A2:
    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. Crystal

    Height:
    111.5 mm
    Width:
    56.2 mm
    Depth:
    13.1 mm +0.7 mm versus A2
    Weight:
    Unknown
  2. 2. A2

    Height:
    124 mm +12.5 mm versus Crystal
    Width:
    63.6 mm +7.4 mm versus Crystal
    Depth:
    12.4 mm
    Weight:
    110 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. Crystal

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. A2

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

A2 has approximately 30.6% more rectangular screen area than Crystal.

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.

Crystal: Original memory entry

512 MB + 256 MB

A2: Original memory entry

200 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. Crystal

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 2 GB (dedicated slot)

2. A2

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. Crystal

    1050 mAh

  2. 2. A2

    1750 mAh

    +700 mAh versus Crystal

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. Crystal2. A2

Everyday essentials
Everyday essentials — specifications for Crystal, A2.
SpecificationCrystalA2
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 124 Х 63.6 Х 12.4 mm
Weight
  • 0 g
  • 110 g
Technology
  • TFT
Unknown
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 240 x 400 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB + 256 MB
  • 200 MB
Memory card support
  • microSD
  • up to 2 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 1750 mAh
  • Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 2.3.6 (Gingerbread)
Chipset
  • Mediatek MT6516
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, A2.
SpecificationCrystalA2
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 34.9 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 55.6%
  • 57.7%
PPI /points per inch/
  • 133 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Crystal, A2.
SpecificationCrystalA2
Rear camera, main
  • 1.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 1.3 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Performance
Performance — specifications for Crystal, A2.
SpecificationCrystalA2
Processor CPU
  • 416 MHz
Unknown
General specs
General specs — specifications for Crystal, A2.
SpecificationCrystalA2
Release date
  • 2011
  • February
  • 2013
  • March
Colors
  • Black
  • White
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 5 h
  • Stand by time- Up to 120 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, A2.
SpecificationCrystalA2
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • Yes
  • Yes
Music and Audio
Music and Audio — specifications for Crystal, A2.
SpecificationCrystalA2
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Crystal, A2.
SpecificationCrystalA2
Dop
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight
  • Sensors Accelerometer