Icemobile Crystal vs Plum Sync 3.5

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.

  • Chipset

    Crystal:
    Mediatek MT6516
    Sync 3.5:
    Mediatek MT6572M (28 nm)
  • Depth

    Sync 3.5: 3.3 mm thinner

    Crystal:
    13.1 mm
    Sync 3.5:
    9.8 mm
  • Height

    Crystal: 6.9 mm shorter

    Crystal:
    111.5 mm
    Sync 3.5:
    118.4 mm
  • Release year

    Crystal:
    2011
    Sync 3.5:
    2014

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 +3.3 mm versus Sync 3.5
    Weight:
    Unknown
  2. 2. Sync 3.5

    Height:
    118.4 mm +6.9 mm versus Crystal
    Width:
    56.2 mm
    Depth:
    9.8 mm
    Weight:
    93 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. Sync 3.5

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Sync 3.5 has approximately 4.6% 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

Sync 3.5: Original memory entry

512 MB · 256 MB RAM

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. Sync 3.5

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. Crystal

    1050 mAh

  2. 2. Sync 3.5

    1350 mAh

    +300 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. Sync 3.5

Everyday essentials
Everyday essentials — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 118.4 Х 56.2 Х 9.8 mm
Weight
  • 0 g
  • 93 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.5" inch
Screen resolution
  • 240 x 400 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB + 256 MB
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 2 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Mediatek MT6516
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 34.9 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 55.6%
  • 54.8%
PPI /points per inch/
  • 133 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Rear camera, main
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 1.3 MP
  • 1.3 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance
Performance — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Processor CPU
  • 416 MHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400
General specs
General specs — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Release date
  • 2011
  • February
  • 2014
  • August
Colors
  • Black
  • White
  • Black
  • White
  • Red
  • Blue
  • Pink
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 5 h
  • Stand by time- Up to 780 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM
GPRS
  • Yes
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • Wi-Fi 802.11
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • Yes
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Crystal, Sync 3.5.
SpecificationCrystalSync 3.5
Dop
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Sync 3.5 X350