Icemobile Crystal vs Oppo R2001 Yoyo

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: 13.3 mm narrower

    Crystal:
    56.2 mm
    R2001 Yoyo:
    69.5 mm
  • Screen diagonal

    Crystal: 1.2 in smaller diagonal

    Crystal:
    3.5 in
    R2001 Yoyo:
    4.7 in
  • Chipset

    Crystal:
    Mediatek MT6516
    R2001 Yoyo:
    Mediatek MT6582M (28 nm)
  • Depth

    R2001 Yoyo: 3.9 mm thinner

    Crystal:
    13.1 mm
    R2001 Yoyo:
    9.2 mm
  • Height

    Crystal: 27 mm shorter

    Crystal:
    111.5 mm
    R2001 Yoyo:
    138.5 mm
  • Release year

    Crystal:
    2011
    R2001 Yoyo:
    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 +3.9 mm versus R2001 Yoyo
    Weight:
    Unknown
  2. 2. R2001 Yoyo

    Height:
    138.5 mm +27 mm versus Crystal
    Width:
    69.5 mm +13.3 mm versus Crystal
    Depth:
    9.2 mm
    Weight:
    145 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. R2001 Yoyo

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

R2001 Yoyo has approximately 74.7% 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, R2001 Yoyo, compared at the same storage capacity.
StorageCrystalR2001 Yoyo
4 GB Unknown 1 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. R2001 Yoyo

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. R2001 Yoyo

    1900 mAh

    +850 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. R2001 Yoyo

Everyday essentials
Everyday essentials — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 138.5 Х 69.5 Х 9.2 mm
Weight
  • 0 g
  • 145 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.7" inch
Screen resolution
  • 240 x 400 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB + 256 MB
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 2 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 1900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 4.2.1 (Jelly Bean)
Chipset
  • Mediatek MT6516
  • Mediatek MT6582M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 34.9 cm2
  • 60.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.6%
  • 63.3%
PPI /points per inch/
  • 133 PPI
  • 234 PPI
Camera and Video
Camera and Video — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Rear camera, main
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 1.3 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance

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

Performance — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Processor CPU
  • 416 MHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
Antutu 7 score * Unknown
  • 16115
General specs
General specs — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Release date
  • 2011
  • February
  • 2014
  • May
Colors
  • Black
  • White
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 5 h
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 42.2/11.5 Mbps
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
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 2.0
Bluetooth
  • Yes
  • 2.1
Music and Audio
Music and Audio — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Crystal, R2001 Yoyo.
SpecificationCrystalR2001 Yoyo
Dop
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight
  • Sensors Accelerometer
  • proximity