Celkon A35k 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

    A35k: 41 g lighter

    A35k:
    102 g
    W820:
    143 g
  • Width

    W820: 5.3 mm narrower

    A35k:
    63 mm
    W820:
    57.7 mm
  • Screen diagonal

    W820: 0.3 in smaller diagonal

    A35k:
    3.5 in
    W820:
    3.2 in
  • Depth

    A35k: 4.1 mm thinner

    A35k:
    10.7 mm
    W820:
    14.8 mm
  • Height

    W820: 4.4 mm shorter

    A35k:
    119 mm
    W820:
    114.6 mm
  • Release year

    A35k:
    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. A35k

    Height:
    119 mm +4.4 mm versus W820
    Width:
    63 mm +5.3 mm versus W820
    Depth:
    10.7 mm
  2. 2. W820

    Height:
    114.6 mm
    Width:
    57.7 mm
    Depth:
    14.8 mm +4.1 mm versus A35k

Weight

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

  1. 1. A35k

    102 g

  2. 2. W820

    143 g

    +41 g versus A35k

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. A35k

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. W820

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

A35k has approximately 19.6% 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.

A35k: Original memory entry

512 MB/ 2 GB · 256 MB 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. A35k

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

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. A35k

    1400 mAh

  2. 2. W820

    2100 mAh

    +700 mAh versus A35k

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. A35k2. W820

Everyday essentials
Everyday essentials — specifications for A35k, W820.
SpecificationA35kW820
Dimensions (HxWxD)
  • 119 Х 63 Х 10.7 mm
  • 114.6 Х 57.7 Х 14.8 mm
Weight
  • 102 g
  • 143 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.2" inch
Screen resolution
  • 320 x 480 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB/ 2 GB
  • 256 MB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Removable Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.3 (Gingerbread)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A35k, W820.
SpecificationA35kW820
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area
  • 36.5 cm2
  • 30.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 48.7%
  • 46.1%
PPI /points per inch/
  • 165 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for A35k, W820.
SpecificationA35kW820
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 176x144@15fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A35k, W820.
SpecificationA35kW820
Processor CPU
  • 1.0 GHz
Unknown
General specs
General specs — specifications for A35k, W820.
SpecificationA35kW820
Release date
  • 2014
  • 2012
  • March
Colors
  • White
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 40 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 600 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for A35k, W820.
SpecificationA35kW820
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation
  • SAR EU - 0.56 W/kg (head) 0.51 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A35k, W820.
SpecificationA35kW820
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A35k, W820.
SpecificationA35kW820
Dop
  • Sensors Accelerometer
  • proximity
  • 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