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O2 XDA Atom Exec vs Xiaomi Mi 4

Compare recorded specifications, size and practical differences.

+ 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.

  • Weight

    XDA Atom Exec: 9 g lighter

    XDA Atom Exec:
    140 g
    Mi 4:
    149 g
  • Width

    XDA Atom Exec: 10.5 mm narrower

    XDA Atom Exec:
    58 mm
    Mi 4:
    68.5 mm
  • Screen diagonal

    XDA Atom Exec: 2.3 in smaller diagonal

    XDA Atom Exec:
    2.7 in
    Mi 4:
    5 in
  • Depth

    Mi 4: 9.6 mm thinner

    XDA Atom Exec:
    18.5 mm
    Mi 4:
    8.9 mm
  • Height

    XDA Atom Exec: 37.2 mm shorter

    XDA Atom Exec:
    102 mm
    Mi 4:
    139.2 mm
  • Release year

    XDA Atom Exec:
    2006
    Mi 4:
    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.

  1. 1. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +9.6 mm versus Mi 4
  2. 2. Mi 4

    Height:
    139.2 mm +37.2 mm versus XDA Atom Exec
    Width:
    68.5 mm +10.5 mm versus XDA Atom Exec
    Depth:
    8.9 mm

Weight

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

  1. 1. XDA Atom Exec

    140 g

  2. 2. Mi 4

    149 g

    +9 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. Mi 4

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Mi 4 has approximately 205.3% 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.

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

XDA Atom Exec: Original memory entry

64 MB RAM · 192 MB ROM

Mi 4: Original memory entry

16/64 GB · 2/3 GB 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 Exec

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

2. Mi 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Mi 4

    3080 mAh

    +1550 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. Mi 4

Everyday essentials
Everyday essentials — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 140 g
  • 149 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.7" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 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
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • miniSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset Unknown
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 22.6 cm2
  • 68.9 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 38.2%
  • 72.3%
PPI /points per inch/
  • 148 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Processor CPU
  • Intel XScale PXA 27x 520MHz
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU Unknown
  • Adreno 330
Antutu 7 score * Unknown
  • 61632
GeekBench 4 Single Core * Unknown
  • 891
GeekBench 4 Multi-Core * Unknown
  • 1967
GeekBench 4 RenderScript * Unknown
  • 1997
General specs
General specs — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Release date
  • 2006
  • June
  • 2014
  • July
Colors
  • Silver
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 280 h (3G)
Body build Unknown
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
SIM card
  • Mini-SIM
  • Micro-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • microUSB 2.0
  • USB Host
Bluetooth
  • 1.2
  • 4.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Radio
  • FM radio
  • FM radio
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Atom Exec, Mi 4.
SpecificationXDA Atom ExecMi 4
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)