Celkon Q455 vs O2 XDA Atom

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.

  • Weight

    Q455: 10 g lighter

    Q455:
    130 g
    XDA Atom:
    140 g
  • Width

    XDA Atom: 10 mm narrower

    Q455:
    68 mm
    XDA Atom:
    58 mm
  • Screen diagonal

    XDA Atom: 1.8 in smaller diagonal

    Q455:
    4.5 in
    XDA Atom:
    2.7 in
  • Depth

    Q455: 10.6 mm thinner

    Q455:
    7.9 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 34.5 mm shorter

    Q455:
    136.5 mm
    XDA Atom:
    102 mm
  • Release year

    Q455:
    2014
    XDA Atom:
    2005

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. Q455

    Height:
    136.5 mm +34.5 mm versus XDA Atom
    Width:
    68 mm +10 mm versus XDA Atom
    Depth:
    7.9 mm
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +10.6 mm versus Q455

Weight

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

  1. 1. Q455

    130 g

  2. 2. XDA Atom

    140 g

    +10 g versus Q455

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. Q455

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. XDA Atom

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

Q455 has approximately 147.3% more rectangular screen area than XDA Atom.

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 Q455, XDA Atom, compared at the same storage capacity.
StorageQ455XDA Atom
16 GB 1 GB RAM Unknown
XDA Atom: Original memory entry

64 MB RAM · 128 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. Q455

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

2. XDA Atom

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. Q455

    2000 mAh

    +470 mAh versus XDA Atom

  2. 2. XDA Atom

    1530 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. Q4552. XDA Atom

Everyday essentials
Everyday essentials — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Dimensions (HxWxD)
  • 136.5 Х 68 Х 7.9 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 130 g
  • 140 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 2.7" inch
Screen resolution
  • 540 x 960 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 64 GB
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Screen area
  • 55.8 cm2
  • 22.6 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 60.1%
  • 38.2%
PPI /points per inch/
  • 245 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Processor CPU
  • Quad-core 1.2
  • Intel PXA272 416 MHz
General specs
General specs — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Release date
  • 2014
  • 2005
  • November
Colors
  • White
  • Black
  • Blue
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 260 EUR
Battery life
  • Talking time- Up to 6 h (3G)
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.1
  • 1.2
Harmful irradiation
  • SAR EU - 0.47 W/kg (head) 0.41 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Q455, XDA Atom.
SpecificationQ455XDA Atom
Dop
  • Sensors Accelerometer
  • proximity
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815