Celkon A97i 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

    A97i: 18 g lighter

    A97i:
    139 g
    W635:
    157 g
  • Depth

    A97i: 0.5 mm thinner

    A97i:
    11 mm
    W635:
    11.5 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. A97i

    Height:
    124 mm
    Width:
    64 mm
    Depth:
    11 mm
  2. 2. W635

    Height:
    124 mm
    Width:
    64.5 mm
    Depth:
    11.5 mm +0.5 mm versus A97i

Weight

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

  1. 1. A97i

    139 g

  2. 2. W635

    157 g

    +18 g versus A97i

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. A97i

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. W635

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

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.

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. A97i

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. A97i

    1500 mAh

  2. 2. W635

    1630 mAh

    +130 mAh versus A97i

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. A97i2. W635

Everyday essentials
Everyday essentials — specifications for A97i, W635.
SpecificationA97iW635
Dimensions (HxWxD)
  • 124 Х 64 Х 11 mm
  • 124 Х 64.5 Х 11.5 mm
Weight
  • 139 g
  • 157 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 1630 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 2.3 (Gingerbread)
Chipset Unknown
  • Qualcomm MSM7227A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A97i, W635.
SpecificationA97iW635
Touchscreen
  • touchscreen
  • capacitive touchscreen
Screen area
  • 45.5 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 57.4%
  • 56.9%
PPI /points per inch/
  • 233 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for A97i, W635.
SpecificationA97iW635
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • 5 MP
  • AF
Video
  • Yes
  • 480p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Performance
Performance — specifications for A97i, W635.
SpecificationA97iW635
Processor CPU
  • 1.0 GHz Cortex-A9
  • Cortex-A5
Graphics processor GPU Unknown
  • Adreno 200
General specs
General specs — specifications for A97i, W635.
SpecificationA97iW635
Release date
  • 2012
  • August
  • 2012
  • April
Colors
  • Black
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 460 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 9 h 10 min
  • 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 A97i, W635.
SpecificationA97iW635
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
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
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB
  • 2.0
Bluetooth
  • Yes
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for A97i, W635.
SpecificationA97iW635
Radio
  • Stereo FM radio
  • No
Other features
Other features — specifications for A97i, W635.
SpecificationA97iW635
Dop
  • Sensors Accelerometer MP3/WAV/eAAC player -MP4/H.264 player -Organizer -Voice memo/dial -Predictive text input Flashlight
  • Sensors Accelerometer
  • proximity - MP3/WAV/WMA/AAC+ player -MP4/H.263 player -Document viewer -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input