Icemobile Crystal vs Nokia Lumia 928

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: 12.7 mm narrower

    Crystal:
    56.2 mm
    Lumia 928:
    68.9 mm
  • Screen diagonal

    Crystal: 1 in smaller diagonal

    Crystal:
    3.5 in
    Lumia 928:
    4.5 in
  • Chipset

    Crystal:
    Mediatek MT6516
    Lumia 928:
    Qualcomm MSM8960 Snapdragon S4 Plus
  • Depth

    Lumia 928: 3 mm thinner

    Crystal:
    13.1 mm
    Lumia 928:
    10.1 mm
  • Height

    Crystal: 21.5 mm shorter

    Crystal:
    111.5 mm
    Lumia 928:
    133 mm
  • Release year

    Crystal:
    2011
    Lumia 928:
    2013

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 mm versus Lumia 928
    Weight:
    Unknown
  2. 2. Lumia 928

    Height:
    133 mm +21.5 mm versus Crystal
    Width:
    68.9 mm +12.7 mm versus Crystal
    Depth:
    10.1 mm
    Weight:
    162 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. Lumia 928

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

Lumia 928 has approximately 65.3% 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, Lumia 928, compared at the same storage capacity.
StorageCrystalLumia 928
32 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. Lumia 928

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. Lumia 928

    2000 mAh

    +950 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. Lumia 928

Everyday essentials
Everyday essentials — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Dimensions (HxWxD)
  • 111.5 Х 56.2 Х 13.1 mm
  • 133 Х 68.9 Х 10.1 mm
Weight
  • 0 g
  • 162 g
Technology
  • TFT
  • AMOLED
Screen size
  • 3.5" inch
  • 4.5" inch
Screen resolution
  • 240 x 400 px
  • 768 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
  • 32 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 2 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Microsoft Windows Phone 8
  • upgradable to 8.1
Chipset
  • Mediatek MT6516
  • Qualcomm MSM8960 Snapdragon S4 Plus
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 34.9 cm2
  • 57.6 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 55.6%
  • 62.9%
PPI /points per inch/
  • 133 PPI
  • 332 PPI
Screen protection Unknown
  • Corning Gorilla Glass 2
Camera and Video
Camera and Video — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Rear camera, main
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 1.3 MP
  • 8 MP
  • 1/3.2''
  • 1.4µm
  • OIS
  • AF
Functions
  • LED flash
  • Carl Zeiss optics
  • Xenon flash
  • panorama
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance

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

Performance — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Processor CPU
  • 416 MHz
  • Dual-core 1.5 GHz Krait
Graphics processor GPU Unknown
  • Adreno 225
Antutu 7 score * Unknown
  • 3210
General specs
General specs — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Release date
  • 2011
  • February
  • 2013
  • April
Colors
  • Black
  • White
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 380 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 5 h
  • Stand by time- Up to 606 h (2G) / Up to 541 h (3G) Talking time- Up to 11 h 40 min (2G) / Up to 16 h 20 min (3G) Music play - Up to 80 h
Communication and Connectivity
Communication and Connectivity — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 4(1700/2100)
  • 13(700) - Verizon LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • Yes
Edge
  • No
  • Up to 236.8 kbps
Wi-Fi
  • Wi-Fi 802.11
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • Yes
  • 4.0
  • A2DP
  • EDR
  • LE/ aptX after WP8 Denim update
Harmful irradiation Unknown
  • SAR - 1.44 W/kg (head) 1.38 W/kg (body) SAR EU - 0.88 W/kg (head)
Music and Audio
Music and Audio — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Radio
  • Stereo FM radio
  • No
Others Unknown
  • PureMotion HD+ ClearBlack display
  • Dolby Headphone -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Crystal, Lumia 928.
SpecificationCrystalLumia 928
Dop
  • Sensors Accelerometer TV app -Organizer -MP4/H.264 player -MP3/AAC+ player -Predictive text input Trackball -Flashlight
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Qi wireless charging