Icemobile Crystal vs ZTE Zmax Pro

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: 27.6 mm narrower

    Crystal:
    56.2 mm
    Zmax Pro:
    83.8 mm
  • Screen diagonal

    Crystal: 2.5 in smaller diagonal

    Crystal:
    3.5 in
    Zmax Pro:
    6 in
  • Chipset

    Crystal:
    Mediatek MT6516
    Zmax Pro:
    Qualcomm MSM8952 Snapdragon 617 (28 nm)
  • Depth

    Zmax Pro: 4.2 mm thinner

    Crystal:
    13.1 mm
    Zmax Pro:
    8.9 mm
  • Height

    Crystal: 53.6 mm shorter

    Crystal:
    111.5 mm
    Zmax Pro:
    165.1 mm
  • Release year

    Crystal:
    2011
    Zmax Pro:
    2016

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 +4.2 mm versus Zmax Pro
    Weight:
    Unknown
  2. 2. Zmax Pro

    Height:
    165.1 mm +53.6 mm versus Crystal
    Width:
    83.8 mm +27.6 mm versus Crystal
    Depth:
    8.9 mm
    Weight:
    174.9 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. Zmax Pro

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

Zmax Pro has approximately 184.6% 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.

Recorded RAM for Crystal, Zmax Pro, compared at the same storage capacity.
StorageCrystalZmax Pro
32 GB Unknown 2 GB RAM
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. Crystal

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

2. Zmax Pro

NFC:
Unknown
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. Crystal

    1050 mAh

  2. 2. Zmax Pro

    3400 mAh

    +2350 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. Zmax Pro

Everyday essentials
Everyday essentials — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 165.1 Х 83.8 Х 8.9 mm
Weight
  • 0 g
  • 174.9 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6" inch
Screen resolution
  • 240 x 400 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB + 256 MB
  • 32 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 2 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6516
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 34.9 cm2
  • 99.2 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.6%
  • 71.7%
PPI /points per inch/
  • 133 PPI
  • 367 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 1.3 MP
  • 13 MP
  • f/2.2
  • 20mm (ultrawide)
  • PDAF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Processor CPU
  • 416 MHz
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 405
GeekBench 4 Single Core * Unknown
  • 699
GeekBench 4 Multi-Core * Unknown
  • 2028
GeekBench 4 RenderScript * Unknown
  • 2128
General specs
General specs — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Release date
  • 2011
  • February
  • 2016
  • July
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 110 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 5 h
  • Stand by time- Up to 400 h (3G) Talking time- Up to 25 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Nano-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
Speed Unknown
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11
  • Wi-Fi 802.11 a/b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Crystal, Zmax Pro.
SpecificationCrystalZmax Pro
Dop
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass