Celkon Campus Crown Q40 vs ZTE Open II

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

    Open II: 3.7 mm narrower

    Campus Crown Q40:
    64.7 mm
    Open II:
    61 mm
  • Screen diagonal

    Open II: 0.5 in smaller diagonal

    Campus Crown Q40:
    4 in
    Open II:
    3.5 in
  • Chipset

    Campus Crown Q40:
    Mediatek MT6582M (28 nm)
    Open II:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Campus Crown Q40: 0.9 mm thinner

    Campus Crown Q40:
    9.6 mm
    Open II:
    10.5 mm
  • Height

    Open II: 7.5 mm shorter

    Campus Crown Q40:
    125.5 mm
    Open II:
    118 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. Campus Crown Q40

    Height:
    125.5 mm +7.5 mm versus Open II
    Width:
    64.7 mm +3.7 mm versus Open II
    Depth:
    9.6 mm
    Weight:
    109.3 g
  2. 2. Open II

    Height:
    118 mm
    Width:
    61 mm
    Depth:
    10.5 mm +0.9 mm versus Campus Crown Q40
    Weight:
    Unknown

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. Campus Crown Q40

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Open II

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Campus Crown Q40 has approximately 24.8% more rectangular screen area than Open II.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Campus Crown Q40: Original memory entry

4 GB · 512 MB RAM

Open II: Original memory entry

2 GB · 256 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Campus Crown Q40

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

2. Open II

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. Campus Crown Q40

    1500 mAh

    +350 mAh versus Open II

  2. 2. Open II

    1150 mAh

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. Campus Crown Q402. Open II

Everyday essentials
Everyday essentials — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Dimensions (HxWxD)
  • 125.5 Х 64.7 Х 9.6 mm
  • 118 Х 61 Х 10.5 mm
Weight
  • 109.3 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 2 GB
  • 256 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4 (KitKat)
  • Firefox OS 1.3
Chipset
  • Mediatek MT6582M (28 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area
  • 45.5 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 56.1%
  • 50.7%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Performance

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

Performance — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2
  • Adreno 302
Antutu 7 score * Unknown
  • 12396
General specs
General specs — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Release date
  • 2014
  • October
  • 2014
  • February
Colors
  • Silver
  • Grey
  • Black
Battery life
  • Stand by time- Up to 260 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
SIM card
  • Dual SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
Unknown
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
Music and Audio
Music and Audio — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Crown Q40, Open II.
SpecificationCampus Crown Q40Open II
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input