Archos Oxygen 63 vs Celkon A66

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

    A66: 64 g lighter

    Oxygen 63:
    162 g
    A66:
    98 g
  • Width

    A66: 8.6 mm narrower

    Oxygen 63:
    75.8 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1.76 in smaller diagonal

    Oxygen 63:
    6.26 in
    A66:
    4.5 in
  • Depth

    Oxygen 63: 1.7 mm thinner

    Oxygen 63:
    9.3 mm
    A66:
    11 mm
  • Height

    A66: 23.2 mm shorter

    Oxygen 63:
    159.2 mm
    A66:
    136 mm
  • Release year

    Oxygen 63:
    2019
    A66:
    2014

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. Oxygen 63

    Height:
    159.2 mm +23.2 mm versus A66
    Width:
    75.8 mm +8.6 mm versus A66
    Depth:
    9.3 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +1.7 mm versus Oxygen 63

Weight

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

  1. 1. Oxygen 63

    162 g

    +64 g versus A66

  2. 2. A66

    98 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. Oxygen 63

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. A66

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

Oxygen 63 has approximately 75.2% more rectangular screen area than A66.

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.

Oxygen 63: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

A66: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Oxygen 63

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD

2. A66

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

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. Oxygen 63

    3000 mAh

    +1000 mAh versus A66

  2. 2. A66

    2000 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. Oxygen 632. A66

Everyday essentials
Everyday essentials — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Dimensions (HxWxD)
  • 159.2 Х 75.8 Х 9.3 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 162 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.26" inch
  • 4.5" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Unisoc SC9863A
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.8 cm2
  • 55.8 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 81.1%
  • 61.1%
PPI /points per inch/
  • 269 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Rear camera, main
  • 8 MP
  • Dual-LED flash
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF -0.3 MP
  • 3.15 MP
Functions
  • Dual-LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA
Performance

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

Performance — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Processor CPU
  • Octa-core 1.6 GHz Cortex-A55
  • Dual-core 1.2 GHz
Antutu 7 score *
  • 76282
Unknown
General specs
General specs — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Release date
  • 2019
  • February
  • 2014
Colors
  • Dark Blue
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • Android 4.4.2 (KitKat)
  • A2DP
  • Super AMOLED
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Radio
  • panorama
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Oxygen 63, A66.
SpecificationOxygen 63A66
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - For Europe
  • Sensors Accelerometer
  • proximity