O2 XDA Atom Exec vs Samsung Z4

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.

  • Width

    XDA Atom Exec: 11.2 mm narrower

    XDA Atom Exec:
    58 mm
    Z4:
    69.2 mm
  • Screen diagonal

    XDA Atom Exec: 1.8 in smaller diagonal

    XDA Atom Exec:
    2.7 in
    Z4:
    4.5 in
  • Depth

    Z4: 8.2 mm thinner

    XDA Atom Exec:
    18.5 mm
    Z4:
    10.3 mm
  • Height

    XDA Atom Exec: 30.9 mm shorter

    XDA Atom Exec:
    102 mm
    Z4:
    132.9 mm
  • Release year

    XDA Atom Exec:
    2006
    Z4:
    2017

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. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +8.2 mm versus Z4
  2. 2. Z4

    Height:
    132.9 mm +30.9 mm versus XDA Atom Exec
    Width:
    69.2 mm +11.2 mm versus XDA Atom Exec
    Depth:
    10.3 mm

Weight

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

  1. 1. XDA Atom Exec

    140 g

  2. 2. Z4

    143 g

    +3 g versus XDA Atom Exec

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. XDA Atom Exec

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. Z4

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

Z4 has approximately 155.3% more rectangular screen area than XDA Atom Exec.

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 XDA Atom Exec, Z4, compared at the same storage capacity.
StorageXDA Atom ExecZ4
8 GB Unknown 1 GB RAM
XDA Atom Exec: Original memory entry

64 MB RAM · 192 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. XDA Atom Exec

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

2. Z4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

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. XDA Atom Exec

    1530 mAh

  2. 2. Z4

    2050 mAh

    +520 mAh versus XDA Atom Exec

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 Atom Exec2. Z4

Everyday essentials
Everyday essentials — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 132.9 Х 69.2 Х 10.3 mm
Weight
  • 140 g
  • 143 g
Technology
  • TFT
Unknown
Screen size
  • 2.7" inch
  • 4.5" inch
Screen resolution
  • 240 x 320 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 192 MB ROM
  • 8 GB
  • 1 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 2050 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Tizen 3.0
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 57.6 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 38.2%
  • 62.7%
PPI /points per inch/
  • 148 PPI
  • 207 PPI
Camera and Video
Camera and Video — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Rear camera, main
  • 2 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 2 MP
  • 5 MP
  • f/2.2
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Processor CPU
  • Intel XScale PXA 27x 520MHz
  • Quad-core 1.5 GHz
Antutu 7 score * Unknown
  • 17329
General specs
General specs — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Release date
  • 2006
  • June
  • 2017
  • May
Colors
  • Silver
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 80 EUR
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
SIM card
  • Mini-SIM
  • Single SIM (Micro-SIM)Hybrid Dual SIM (Micro-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 900 / 2100 -4G - LTE
Speed Unknown
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 1.2
  • 4.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Atom Exec, Z4.
SpecificationXDA Atom ExecZ4
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player
  • Sensors Accelerometer
  • proximity