Icemobile Crystal vs verykool SL5565 Rocket

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: 23 mm narrower

    Crystal:
    56.2 mm
    SL5565 Rocket:
    79.2 mm
  • Screen diagonal

    Crystal: 2 in smaller diagonal

    Crystal:
    3.5 in
    SL5565 Rocket:
    5.5 in
  • Chipset

    Crystal:
    Mediatek MT6516
    SL5565 Rocket:
    Mediatek MT6737 (28 nm)
  • Depth

    SL5565 Rocket: 4.3 mm thinner

    Crystal:
    13.1 mm
    SL5565 Rocket:
    8.8 mm
  • Height

    Crystal: 44.9 mm shorter

    Crystal:
    111.5 mm
    SL5565 Rocket:
    156.4 mm
  • Release year

    Crystal:
    2011
    SL5565 Rocket:
    2017

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 +4.3 mm versus SL5565 Rocket
    Weight:
    Unknown
  2. 2. SL5565 Rocket

    Height:
    156.4 mm +44.9 mm versus Crystal
    Width:
    79.2 mm +23 mm versus Crystal
    Depth:
    8.8 mm
    Weight:
    172 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. SL5565 Rocket

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

SL5565 Rocket has approximately 139.2% 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, SL5565 Rocket, compared at the same storage capacity.
StorageCrystalSL5565 Rocket
16 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. SL5565 Rocket

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. SL5565 Rocket

    2700 mAh

    +1650 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. SL5565 Rocket

Everyday essentials
Everyday essentials — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 156.4 Х 79.2 Х 8.8 mm
Weight
  • 0 g
  • 172 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.5" inch
Screen resolution
  • 240 x 400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB + 256 MB
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 2 GB (dedicated slot)
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 2700 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6516
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 34.9 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.6%
  • 67.3%
PPI /points per inch/
  • 133 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Rear camera, main
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 1.3 MP
  • 13 MP
  • AF
  • f/2.2
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.8
Performance

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

Performance — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Processor CPU
  • 416 MHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-T720MP2
Antutu 7 score * Unknown
  • 29395
General specs
General specs — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Release date
  • 2011
  • February
  • 2017
  • August
Colors
  • Black
  • White
  • Darg Gray
  • Gold
  • White
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 5 h
  • Stand by time- Up to 240 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700) LTE band 2(1900)
  • 28(700)
Speed Unknown
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.45 W/kg (head) 1.29 W/kg (body)
Music and Audio
Music and Audio — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Radio
  • Stereo FM radio
  • Stereo FM radio
Other features
Other features — specifications for Crystal, SL5565 Rocket.
SpecificationCrystalSL5565 Rocket
Dop
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity