O2 XDA Serra vs Philips W635

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

    W635: 8 g lighter

    XDA Serra:
    165 g
    W635:
    157 g
  • Width

    XDA Serra: 13.5 mm narrower

    XDA Serra:
    51 mm
    W635:
    64.5 mm
  • Screen diagonal

    XDA Serra: 1.2 in smaller diagonal

    XDA Serra:
    2.8 in
    W635:
    4 in
  • Chipset

    XDA Serra:
    Qualcomm MSM7201A
    W635:
    Qualcomm MSM7227A Snapdragon S1
  • Depth

    W635: 6.6 mm thinner

    XDA Serra:
    18.1 mm
    W635:
    11.5 mm
  • Height

    XDA Serra: 22 mm shorter

    XDA Serra:
    102 mm
    W635:
    124 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. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +6.6 mm versus W635
  2. 2. W635

    Height:
    124 mm +22 mm versus XDA Serra
    Width:
    64.5 mm +13.5 mm versus XDA Serra
    Depth:
    11.5 mm

Weight

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

  1. 1. XDA Serra

    165 g

    +8 g versus W635

  2. 2. W635

    157 g

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 Serra

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. W635

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

W635 has approximately 87.6% 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.

XDA Serra: Original memory entry

288 MB RAM · 512 MB ROM

W635: Original memory entry

512 MB

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 Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

2. W635

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. XDA Serra

    1340 mAh

  2. 2. W635

    1630 mAh

    +290 mAh versus XDA Serra

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 Serra2. W635

Everyday essentials
Everyday essentials — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Dimensions (HxWxD)
  • 102 Х 51 Х 18.1 mm
  • 124 Х 64.5 Х 11.5 mm
Weight
  • 165 g
  • 157 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 4" inch
Screen resolution
  • 480 x 640 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 288 MB RAM
  • 512 MB ROM
  • 512 MB
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1340 mAh
  • Removable Li-Ion
  • 1630 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 2.3 (Gingerbread)
Chipset
  • Qualcomm MSM7201A
  • Qualcomm MSM7227A Snapdragon S1
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 45.5 cm2
Screen format
  • 4:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 46.7%
  • 56.9%
PPI /points per inch/
  • 286 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • 480p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Processor CPU
  • 528 MHz ARM 11
  • Cortex-A5
Graphics processor GPU
  • Adreno 130
  • Adreno 200
General specs
General specs — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Release date
  • 2008
  • July
  • 2012
  • April
Colors
  • Black
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 460 EUR
Battery life
  • Stand by time- Up to 406 h Talking time- Up to 8 h
  • Stand by time- Up to 200 h (2G) / Up to 200 h (3G) Talking time- Up to 5 h (2G) / Up to 4 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • miniUSB
  • 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Serra, W635.
SpecificationXDA SerraW635
Dop
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity - MP3/WAV/WMA/AAC+ player -MP4/H.263 player -Document viewer -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input