Amoi E72 vs Icemobile Crystal

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

    E72: 11.4 mm narrower

    E72:
    44.8 mm
    Crystal:
    56.2 mm
  • Screen diagonal

    E72: 0.3 in smaller diagonal

    E72:
    3.2 in
    Crystal:
    3.5 in
  • Depth

    Crystal: 1.7 mm thinner

    E72:
    14.8 mm
    Crystal:
    13.1 mm
  • Height

    E72: 11.5 mm shorter

    E72:
    100 mm
    Crystal:
    111.5 mm
  • Release year

    E72:
    2007
    Crystal:
    2011

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. E72

    Height:
    100 mm
    Width:
    44.8 mm
    Depth:
    14.8 mm +1.7 mm versus Crystal
    Weight:
    150 g
  2. 2. Crystal

    Height:
    111.5 mm +11.5 mm versus E72
    Width:
    56.2 mm +11.4 mm versus E72
    Depth:
    13.1 mm
    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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E72

    E72: Screen geometry unavailable or conflicting.

  2. 2. Crystal

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

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.

E72: Original memory entry

64 MB

Crystal: Original memory entry

512 MB + 256 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. E72

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. Crystal

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 2 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. E72

    1100 mAh

    +50 mAh versus Crystal

  2. 2. Crystal

    1050 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. E722. Crystal

Everyday essentials
Everyday essentials — specifications for E72, Crystal.
SpecificationE72Crystal
Dimensions (HxWxD)
  • 100 Х 44.8 Х 14.8 mm
  • 111.5 Х 56.2 Х 13.1 mm
Weight
  • 150 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 3.5" inch
Screen resolution
  • 176 x 220 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 512 MB + 256 MB
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 2 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Android 2.2 (Froyo)
Chipset Unknown
  • Mediatek MT6516
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E72, Crystal.
SpecificationE72Crystal
Touchscreen
  • Super AMOLED
  • touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 12.6 cm2
  • 34.9 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 28.1%
  • 55.6%
PPI /points per inch/
  • 0 PPI
  • 133 PPI
Camera and Video
Camera and Video — specifications for E72, Crystal.
SpecificationE72Crystal
Rear camera, main
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 1.3 MP
  • 1.3 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications
  • Super AMOLED
Unknown
Performance
Performance — specifications for E72, Crystal.
SpecificationE72Crystal
Processor CPU
  • Super AMOLED
  • 416 MHz
General specs
General specs — specifications for E72, Crystal.
SpecificationE72Crystal
Release date
  • 2007
  • 2011
  • February
Colors
  • Black
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for E72, Crystal.
SpecificationE72Crystal
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Super AMOLED
  • No
Wi-Fi
  • panorama
  • Wi-Fi 802.11
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • panorama
  • microUSB 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • Yes
Music and Audio
Music and Audio — specifications for E72, Crystal.
SpecificationE72Crystal
Radio
  • panorama
  • Stereo FM radio
Other features
Other features — specifications for E72, Crystal.
SpecificationE72Crystal
Dop
  • File transfer -Organizer
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight