BLU Neo 3.5 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

    Neo 3.5: 39 g lighter

    Neo 3.5:
    101 g
    XDA Atom:
    140 g
  • Width

    XDA Atom: 4 mm narrower

    Neo 3.5:
    62 mm
    XDA Atom:
    58 mm
  • Screen diagonal

    XDA Atom: 0.8 in smaller diagonal

    Neo 3.5:
    3.5 in
    XDA Atom:
    2.7 in
  • Depth

    Neo 3.5: 7.5 mm thinner

    Neo 3.5:
    11 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 15 mm shorter

    Neo 3.5:
    117 mm
    XDA Atom:
    102 mm
  • Release year

    Neo 3.5:
    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. Neo 3.5

    Height:
    117 mm +15 mm versus XDA Atom
    Width:
    62 mm +4 mm versus XDA Atom
    Depth:
    11 mm
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +7.5 mm versus Neo 3.5

Weight

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

  1. 1. Neo 3.5

    101 g

  2. 2. XDA Atom

    140 g

    +39 g versus Neo 3.5

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. Neo 3.5

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

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

Neo 3.5 has approximately 61.6% 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.

Neo 3.5: Original memory entry

512 MB · 256 MB RAM

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. Neo 3.5

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. Neo 3.5

    1300 mAh

  2. 2. XDA Atom

    1530 mAh

    +230 mAh versus Neo 3.5

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. Neo 3.52. XDA Atom

Everyday essentials
Everyday essentials — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Dimensions (HxWxD)
  • 117 Х 62 Х 11 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 101 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.7" inch
Screen resolution
  • 320 x 480 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB 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.
  • 1300 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 36.5 cm2
  • 22.6 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 50.3%
  • 38.2%
PPI /points per inch/
  • 165 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

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

Performance — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Intel PXA272 416 MHz
Graphics processor GPU
  • Mali-400
Unknown
Antutu 7 score *
  • 1532
Unknown
General specs
General specs — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Release date
  • 2014
  • April
  • 2005
  • November
Colors
  • White
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 500 h (3G) Talking time- Up to 15 h (2G) / Up to 10 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 Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • 1.2
Music and Audio
Music and Audio — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Neo 3.5, XDA Atom.
SpecificationNeo 3.5XDA Atom
Dop
  • Sensors Accelerometer
  • gyro
  • 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