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O2 XDA Atom vs ZTE Open C

Compare recorded specifications, size and practical differences.

O2 XDA Atom

O2 XDA Atom

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ZTE Open C

ZTE Open C

Replace Open C
Remove Open C
+ 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.

  • WeightOpen C: 15 g lighterOpen C: 125 g · XDA Atom: 140 g
  • WidthXDA Atom: 6.7 mm narrowerXDA Atom: 58 mm · Open C: 64.7 mm
  • Screen diagonalXDA Atom: 1.3 in smaller diagonalXDA Atom: 2.7 in · Open C: 4 in
  • DepthOpen C: 7.7 mm thinnerOpen C: 10.8 mm · XDA Atom: 18.5 mm
  • HeightXDA Atom: 24 mm shorterXDA Atom: 102 mm · Open C: 126 mm
  • Release year2005 / 2014XDA Atom: 2005 · Open C: 2014

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.

Front
XDA Atom: 102 × 58 mm 1 Open C: 126 × 64.7 mm 2
Side
XDA Atom: 102 × 18.5 mm 1 Open C: 126 × 10.8 mm 2
  1. 1. XDA Atom
    Height
    102 mm
    Width
    58 mm
    Depth
    18.5 mm+7.7 mm versus Open C
    Weight
    140 g
  2. 2. Open C
    Height
    126 mm+24 mm versus XDA Atom
    Width
    64.7 mm+6.7 mm versus XDA Atom
    Depth
    10.8 mm
    Weight
    125 g
Weight

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

  1. 1. XDA Atom140 g

    +15 g versus Open C

  2. 2. Open C125 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.

Screen size
XDA Atom: 2.7 in, 4:3, About 22.6 cm² rectangular area 1 Open C: 4 in, 5:3, About 45.5 cm² rectangular area 2
  1. 1. XDA Atom 2.7 in · 4:3 About 22.6 cm² rectangular area
  2. 2. Open C 4 in · 5:3 About 45.5 cm² rectangular area

Open C has approximately 101.7% 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.

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

XDA Atom: Original memory entry

64 MB RAM · 128 MB ROM

Open C: Original memory entry

4 GB · 512 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. XDA Atom

NFC
Unknown
Headphone jack
No
Memory card support
See details miniSD

2. Open C

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 capacity

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

  1. 1. XDA Atom1530 mAh

    +130 mAh versus Open C

  2. 2. Open C1400 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. XDA Atom2. Open C

Everyday essentials
Everyday essentials
SpecificationXDA AtomOpen C
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 140 g
  • 125 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 4 GB
  • 512 MB RAM
Memory card support
  • miniSD
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Firefox OS 1.3
Chipset Unknown
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display
SpecificationXDA AtomOpen C
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 22.6 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.2%
  • 55.9%
PPI /points per inch/
  • 148 PPI
  • 233 PPI
Camera and Video
Camera and Video
SpecificationXDA AtomOpen C
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • 352x288@15fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance
SpecificationXDA AtomOpen C
Processor CPU
  • Intel PXA272 416 MHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 12154
General specs
General specs
SpecificationXDA AtomOpen C
Release date
  • 2005
  • November
  • 2014
  • February
Colors
  • Silver
  • Orange
  • Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity
SpecificationXDA AtomOpen C
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 2.1
Music and Audio
Music and Audio
SpecificationXDA AtomOpen C
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features
SpecificationXDA AtomOpen C
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input