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Celkon Q450 vs O2 XDA

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Weight

    Q450: 54 g lighter

    Q450:
    147 g
    XDA:
    201 g
  • Width

    Q450: 5.3 mm narrower

    Q450:
    67.7 mm
    XDA:
    73 mm
  • Screen diagonal

    XDA: 1 in smaller diagonal

    Q450:
    4.5 in
    XDA:
    3.5 in
  • Depth

    Q450: 8.3 mm thinner

    Q450:
    9.7 mm
    XDA:
    18 mm
  • Height

    XDA: 6 mm shorter

    Q450:
    135 mm
    XDA:
    129 mm
  • Release year

    Q450:
    2015
    XDA:
    2003

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. Q450

    Height:
    135 mm +6 mm versus XDA
    Width:
    67.7 mm
    Depth:
    9.7 mm
  2. 2. XDA

    Height:
    129 mm
    Width:
    73 mm +5.3 mm versus Q450
    Depth:
    18 mm +8.3 mm versus Q450

Weight

Bars start at zero and share a scale within this chart.

  1. 1. Q450

    147 g

  2. 2. XDA

    201 g

    +54 g versus Q450

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. Q450

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²

Q450 has approximately 51.9% more rectangular screen area than XDA.

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.

Q450: Original memory entry

4 GB · 512 MB RAM

XDA: Original memory entry

64 MB RAM · 32 MB ROM

Practical features

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

1. Q450

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

2. XDA

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Q4502. XDA

Everyday essentials
Everyday essentials — specifications for Q450, XDA.
SpecificationQ450XDA
Dimensions (HxWxD)
  • 135 Х 67.7 Х 9.7 mm
  • 129 Х 73 Х 18 mm
Weight
  • 147 g
  • 201 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64 MB RAM
  • 32 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • MMC/SD
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 0 mAh,
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows PocketPC
Chipset
  • Spreadtrum 7731
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Q450, XDA.
SpecificationQ450XDA
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 4096
Screen area
  • 57.6 cm2
  • 37.9 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 63.1%
  • 40.3%
PPI /points per inch/
  • 207 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for Q450, XDA.
SpecificationQ450XDA
Rear camera, main
  • 5 MP
  • Single
  • 0 MP,
Camera specs
  • 5 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Q450, XDA.
SpecificationQ450XDA
Processor CPU
  • Quad-core 1.2 GHz
  • Intel Strong PXA263 400 MHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for Q450, XDA.
SpecificationQ450XDA
Release date
  • 2015
  • April
  • 2003
Colors
  • Gold
  • White
Unknown
Battery life Unknown
  • Stand by time- Up to 150 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Q450, XDA.
SpecificationQ450XDA
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 8
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • No
USB
  • microUSB
  • Proprietary
Bluetooth
  • 2.0
  • No
Harmful irradiation
  • SAR EU - 0.74 W/kg (head) 0.67 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q450, XDA.
SpecificationQ450XDA
Radio
  • FM radio
  • No
Other features
Other features — specifications for Q450, XDA.
SpecificationQ450XDA
Dop
  • Sensors Accelerometer
  • proximity
  • Infrared port - Pocket Office -Media player -Voice memo - Produced by HTC. Functionally identical to Qtek 1010.