alcatel Idol 4 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

    Idol 4: 5 g lighter

    Idol 4:
    135 g
    XDA Atom:
    140 g
  • Width

    XDA Atom: 14.5 mm narrower

    Idol 4:
    72.5 mm
    XDA Atom:
    58 mm
  • Screen diagonal

    XDA Atom: 2.5 in smaller diagonal

    Idol 4:
    5.2 in
    XDA Atom:
    2.7 in
  • Depth

    Idol 4: 11.4 mm thinner

    Idol 4:
    7.1 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 45 mm shorter

    Idol 4:
    147 mm
    XDA Atom:
    102 mm
  • Release year

    Idol 4:
    2016
    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. Idol 4

    Height:
    147 mm +45 mm versus XDA Atom
    Width:
    72.5 mm +14.5 mm versus XDA Atom
    Depth:
    7.1 mm
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +11.4 mm versus Idol 4

Weight

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

  1. 1. Idol 4

    135 g

  2. 2. XDA Atom

    140 g

    +5 g versus Idol 4

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. Idol 4

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

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

Idol 4 has approximately 230.2% 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.

Idol 4: Original memory entry

16 GB · 2 GB RAM - 6055Y · 6055K16 GB · 3 GB RAM - 6055B · 6055H · 6055I

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. Idol 4

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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. Idol 4

    2610 mAh

    +1080 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. Idol 42. XDA Atom

Everyday essentials
Everyday essentials — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Dimensions (HxWxD)
  • 147 Х 72.5 Х 7.1 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 135 g
  • 140 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 5.2" inch
  • 2.7" inch
Screen resolution
  • 1080 x 1920 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
  • 2 GB RAM - 6055Y
  • 6055K16 GB
  • 3 GB RAM - 6055B
  • 6055H
  • 6055I
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 2610 mAh
  • Non-removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0.1 (Marshmallow)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Qualcomm MSM8952 Snapdragon 617 (28 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 74.5 cm2
  • 22.6 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 69.9%
  • 38.2%
PPI /points per inch/
  • 424 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • PDAF
  • f/2.0
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance

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

Performance — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
  • Intel PXA272 416 MHz
Graphics processor GPU
  • Adreno 405
Unknown
Antutu 7 score *
  • 44179
Unknown
GeekBench 4 Single Core *
  • 693
Unknown
GeekBench 4 Multi-Core *
  • 1845
Unknown
GeekBench 4 RenderScript *
  • 2027
Unknown
General specs
General specs — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Release date
  • 2016
  • February
  • 2005
  • November
Colors
  • Gold
  • Dark Gray
  • Rose Gold
  • Metal Silver
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 520 h (2G) / Up to 520 h (3G) Talking time- Up to 15 h (2G) / Up to 15 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 Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by) - 6055K
  • 6055I
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) -3G - HSDPA 850 / 900 / 1900 / 2100 - 6055Y
  • 6055K
  • 6055B
  • 6055I HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - 6055H -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700) - 6055K LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700)
  • 27(800)
  • 28(700) - 6055H (LTE Cat6) LTE band 1(2100)
  • 28(700)
  • 38(2600)
  • 40(2300) - 6055Y LTE band 2(1900)
  • 13(700)
  • 28(700) - 6055B
  • 6055I
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps or LTE-A (2CA) Cat6 300/50 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB Host
  • miniUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 1.2
Music and Audio
Music and Audio — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Radio
  • FM radio
  • RDS
  • FM radio
Others
  • Hi-Fi audio -Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for Idol 4, XDA Atom.
SpecificationIdol 4XDA Atom
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0)
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815