Asus PadFone E vs O2 XDA Serra

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

    PadFone E: 39 g lighter

    PadFone E:
    126 g
    XDA Serra:
    165 g
  • Width

    XDA Serra: 18.7 mm narrower

    PadFone E:
    69.7 mm
    XDA Serra:
    51 mm
  • Screen diagonal

    XDA Serra: 1.9 in smaller diagonal

    PadFone E:
    4.7 in
    XDA Serra:
    2.8 in
  • Chipset

    PadFone E:
    Qualcomm Snapdragon 400 (28 nm)
    XDA Serra:
    Qualcomm MSM7201A
  • Depth

    PadFone E: 9 mm thinner

    PadFone E:
    9.1 mm
    XDA Serra:
    18.1 mm
  • Height

    XDA Serra: 37.6 mm shorter

    PadFone E:
    139.6 mm
    XDA Serra:
    102 mm

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. PadFone E

    Height:
    139.6 mm +37.6 mm versus XDA Serra
    Width:
    69.7 mm +18.7 mm versus XDA Serra
    Depth:
    9.1 mm
  2. 2. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +9 mm versus PadFone E

Weight

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

  1. 1. PadFone E

    126 g

  2. 2. XDA Serra

    165 g

    +39 g versus PadFone E

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. PadFone E

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. XDA Serra

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

PadFone E has approximately 150.8% more rectangular screen area than XDA Serra.

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.

PadFone E: Original memory entry

1 GB RAM

XDA Serra: Original memory entry

288 MB RAM · 512 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. PadFone E

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. XDA Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated 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. PadFone E

    1820 mAh

    +480 mAh versus XDA Serra

  2. 2. XDA Serra

    1340 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. PadFone E2. XDA Serra

Everyday essentials
Everyday essentials — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Dimensions (HxWxD)
  • 139.6 Х 69.7 Х 9.1 mm
  • 102 Х 51 Х 18.1 mm
Weight
  • 126 g
  • 165 g
Technology
  • Super IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 2.8" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB RAM
  • 288 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1820 mAh
  • Non-removable Li-Ion
  • 1340 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Qualcomm MSM7201A
Headphone jack
  • Yes
  • No
Display
Display — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 60.9 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 62.6%
  • 46.7%
PPI /points per inch/
  • 312 PPI
  • 286 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • Yes
Front camera, selfie
  • 1.2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.2 MP
  • VGA videocall camera
Performance
Performance — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Processor CPU
  • Quad-core 1.4 GHz Cortex-A7
  • 528 MHz ARM 11
Graphics processor GPU
  • Adreno 305
  • Adreno 130
General specs
General specs — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Release date
  • 2014
  • January
  • 2008
  • July
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
Unknown
Battery life
  • Stand by time- Up to 270 h (2G) / Up to 330 h (3G) Talking time- Up to 27 h (2G) / Up to 15 h (3G)
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
SIM card
  • Dual SIM (dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
  • Handwriting recognition
Other features
Other features — specifications for PadFone E, XDA Serra.
SpecificationPadFone EXDA Serra
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Padfone Station with 10.1 inches Super IPS display
  • 1280 x 720 pixels
  • 181.5 x 263.6 x 17.4 mm
  • 525.7 g
  • 5000 mAh battery.
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input