Icemobile Crystal vs Oppo A11

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: 19.4 mm narrower

    Crystal:
    56.2 mm
    A11:
    75.6 mm
  • Screen diagonal

    Crystal: 3 in smaller diagonal

    Crystal:
    3.5 in
    A11:
    6.5 in
  • Chipset

    Crystal:
    Mediatek MT6516
    A11:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    Crystal:
    Single
    A11:
    Quad
  • Depth

    A11: 4 mm thinner

    Crystal:
    13.1 mm
    A11:
    9.1 mm
  • Height

    Crystal: 52.1 mm shorter

    Crystal:
    111.5 mm
    A11:
    163.6 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. Crystal

    Height:
    111.5 mm
    Width:
    56.2 mm
    Depth:
    13.1 mm +4 mm versus A11
    Weight:
    Unknown
  2. 2. A11

    Height:
    163.6 mm +52.1 mm versus Crystal
    Width:
    75.6 mm +19.4 mm versus Crystal
    Depth:
    9.1 mm
    Weight:
    195 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. A11

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

A11 has approximately 192.6% 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, A11, compared at the same storage capacity.
StorageCrystalA11
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
256 GB Unknown 6 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. A11

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. A11

    5000 mAh

    +3950 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. A11

Everyday essentials
Everyday essentials — specifications for Crystal, A11.
SpecificationCrystalA11
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 163.6 Х 75.6 Х 9.1 mm
Weight
  • 0 g
  • 195 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.5" inch
Screen resolution
  • 240 x 400 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB + 256 MB
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 256GB 6GB 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
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 9.0 (Pie); ColorOS 6.0
Chipset
  • Mediatek MT6516
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, A11.
SpecificationCrystalA11
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 34.9 cm2
  • 102.0 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 55.6%
  • 82.5%
PPI /points per inch/
  • 133 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for Crystal, A11.
SpecificationCrystalA11
Rear camera, main
  • 1.3 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 1.3 MP
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4"
  • 1.12µm
  • AF -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Crystal, A11.
SpecificationCrystalA11
Processor CPU
  • 416 MHz
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU Unknown
  • Adreno 610
Antutu 8 score * Unknown
  • 172202
GeekBench 5 Single Core * Unknown
  • 484
GeekBench 5 Multi-Core * Unknown
  • 1424
General specs
General specs — specifications for Crystal, A11.
SpecificationCrystalA11
Release date
  • 2011
  • February
  • 2019
  • October
Colors
  • Black
  • White
  • Purple
  • Lake Green
  • Cloud White
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
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, A11.
SpecificationCrystalA11
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • Yes
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Crystal, A11.
SpecificationCrystalA11
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for Crystal, A11.
SpecificationCrystalA11
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 - Power bank/Reverse charging -Battery charging 10W