A1 Alpha 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

    Crystal: 19.6 mm narrower

    Alpha:
    75.8 mm
    Crystal:
    56.2 mm
  • Screen diagonal

    Crystal: 2.76 in smaller diagonal

    Alpha:
    6.26 in
    Crystal:
    3.5 in
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Crystal:
    Mediatek MT6516
  • Rear camera layout

    Alpha:
    Dual
    Crystal:
    Single
  • Depth

    Alpha: 5 mm thinner

    Alpha:
    8.1 mm
    Crystal:
    13.1 mm
  • Height

    Crystal: 40.2 mm shorter

    Alpha:
    151.7 mm
    Crystal:
    111.5 mm

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. Alpha

    Height:
    151.7 mm +40.2 mm versus Crystal
    Width:
    75.8 mm +19.6 mm versus Crystal
    Depth:
    8.1 mm
    Weight:
    150 g
  2. 2. Crystal

    Height:
    111.5 mm
    Width:
    56.2 mm
    Depth:
    13.1 mm +5 mm versus Alpha
    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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Crystal

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

Alpha has approximately 180.5% 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.

Recorded RAM for Alpha, Crystal, compared at the same storage capacity.
StorageAlphaCrystal
32 GB 2 GB RAM Unknown
64 GB 3 GB RAM Unknown
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. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. Alpha

    3200 mAh

    +2150 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. Alpha2. Crystal

Everyday essentials
Everyday essentials — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 111.5 Х 56.2 Х 13.1 mm
Weight
  • 150 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 3.5" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 512 MB + 256 MB
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 2 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1050 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 2.2 (Froyo)
Chipset
  • Unisoc SC9863A (28nm)
  • Mediatek MT6516
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.8 cm2
  • 34.9 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.1%
  • 55.6%
PPI /points per inch/
  • 269 PPI
  • 133 PPI
Camera and Video
Camera and Video — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Rear camera, main
  • 13 MP
  • Dual
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 1.3 MP
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance
Performance — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • 416 MHz
Graphics processor GPU
  • IMG8322
Unknown
General specs
General specs — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Release date
  • 2019
  • August
  • 2011
  • February
Colors
  • Black
  • Green
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Radio
  • FM radio
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, Crystal.
SpecificationAlphaCrystal
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight