Nokia Lumia 635 vs Philips W820

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

    Lumia 635: 9 g lighter

    Lumia 635:
    134 g
    W820:
    143 g
  • Width

    W820: 9 mm narrower

    Lumia 635:
    66.7 mm
    W820:
    57.7 mm
  • Screen diagonal

    W820: 1.3 in smaller diagonal

    Lumia 635:
    4.5 in
    W820:
    3.2 in
  • Depth

    Lumia 635: 5.6 mm thinner

    Lumia 635:
    9.2 mm
    W820:
    14.8 mm
  • Height

    W820: 14.9 mm shorter

    Lumia 635:
    129.5 mm
    W820:
    114.6 mm
  • Release year

    Lumia 635:
    2014
    W820:
    2012

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. Lumia 635

    Height:
    129.5 mm +14.9 mm versus W820
    Width:
    66.7 mm +9 mm versus W820
    Depth:
    9.2 mm
  2. 2. W820

    Height:
    114.6 mm
    Width:
    57.7 mm
    Depth:
    14.8 mm +5.6 mm versus Lumia 635

Weight

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

  1. 1. Lumia 635

    134 g

  2. 2. W820

    143 g

    +9 g versus Lumia 635

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. Lumia 635

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. W820

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

Lumia 635 has approximately 83.1% more rectangular screen area than W820.

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.

Lumia 635: Original memory entry

8 GB · 512 MB/ 1 GB RAM

W820: 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. Lumia 635

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. W820

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. Lumia 635

    1830 mAh

  2. 2. W820

    2100 mAh

    +270 mAh versus Lumia 635

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. Lumia 6352. W820

Everyday essentials
Everyday essentials — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Dimensions (HxWxD)
  • 129.5 Х 66.7 Х 9.2 mm
  • 114.6 Х 57.7 Х 14.8 mm
Weight
  • 134 g
  • 143 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.2" inch
Screen resolution
  • 480 x 854 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB/ 1 GB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1830 mAh
  • Removable Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • Android 2.3 (Gingerbread)
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 54.3 cm2
  • 30.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 62.9%
  • 46.1%
PPI /points per inch/
  • 221 PPI
  • 180 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 1/4''
  • AF
  • 5 MP
  • AF
Functions
  • panorama
  • LED flash
Video
  • 720p@30fps
  • 176x144@15fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Performance

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

Performance — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Processor CPU
  • Quad-core 1.2 GHz Cortex-A7
Unknown
Graphics processor GPU
  • Adreno 305
Unknown
Antutu 7 score *
  • 11986
Unknown
General specs
General specs — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Release date
  • 2014
  • April
  • 2012
  • March
Colors
  • Bright orange
  • Bright Green
  • bright yellow
  • White
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
Unknown
Battery life
  • Stand by time- Up to 648 h Talking time- Up to 12 h (2G) / Up to 14 h (3G) Music play - Up to 58 h
  • Stand by time- Up to 600 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for Lumia 635, W820.
SpecificationLumia 635W820
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 - RM-974 HSDPA 850 / 1700 / 1900 / 2100 - RM-975 -4G - LTE band 3(1800)
  • 7(2600)
  • 20(800) - RM-974 LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700) - RM-975
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE/ aptX after WP8 Denim update
  • 2.0
Harmful irradiation
  • SAR - 0.97 W/kg (head) 0.77 W/kg (body) SAR EU - 0.75 W/kg (head) 0.79 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Radio
  • FM radio
  • FM radio
Others
  • ClearBlack display
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Lumia 635, W820.
SpecificationLumia 635W820
Dop
  • Sensors Accelerometer
  • sensor core - Versions: RM-974 (Global); RM-975 (USA)
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/AAC+ player -MP4/H.263 player -Document viewer -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input