Archos Diamond Gamma 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: 52 g lighter

    Diamond Gamma:
    150 g
    A66:
    98 g
  • Width

    A66: 2.8 mm narrower

    Diamond Gamma:
    70 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1 in smaller diagonal

    Diamond Gamma:
    5.5 in
    A66:
    4.5 in
  • Depth

    Diamond Gamma: 3 mm thinner

    Diamond Gamma:
    8 mm
    A66:
    11 mm
  • Height

    A66: 7 mm shorter

    Diamond Gamma:
    143 mm
    A66:
    136 mm
  • Release year

    Diamond Gamma:
    2017
    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. Diamond Gamma

    Height:
    143 mm +7 mm versus A66
    Width:
    70 mm +2.8 mm versus A66
    Depth:
    8 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +3 mm versus Diamond Gamma

Weight

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

  1. 1. Diamond Gamma

    150 g

    +52 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. Diamond Gamma

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A66

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

Diamond Gamma has approximately 49.4% 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.

Recorded RAM for Diamond Gamma, A66, compared at the same storage capacity.
StorageDiamond GammaA66
32 GB 3 GB RAM Unknown
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. Diamond Gamma

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

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. Diamond Gamma

    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. Diamond Gamma2. A66

Everyday essentials
Everyday essentials — specifications for Diamond Gamma, A66.
SpecificationDiamond GammaA66
Dimensions (HxWxD)
  • 143 Х 70 Х 8 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 150 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 7 (Nougat); nubia UI 4
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Diamond Gamma, A66.
SpecificationDiamond GammaA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 174.5 Х 83.3 Х 8.4 mm
  • 61.1%
PPI /points per inch/
  • 267 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Diamond Gamma, A66.
SpecificationDiamond GammaA66
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • PDAF & laser AF
  • f/2.2
  • 3.15 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • VGA
Performance

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

Performance — specifications for Diamond Gamma, A66.
SpecificationDiamond GammaA66
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 505
Unknown
Antutu 7 score *
  • 45325
Unknown
General specs
General specs — specifications for Diamond Gamma, A66.
SpecificationDiamond GammaA66
Release date
  • 2017
  • June
  • 2014
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 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 Diamond Gamma, A66.
SpecificationDiamond GammaA66
SIM card
  • Hybrid 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 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
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
  • Yes
USB
  • microUSB 2.0
  • USB On-The-Go
  • 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 Diamond Gamma, A66.
SpecificationDiamond GammaA66
Radio
  • panorama
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Diamond Gamma, A66.
SpecificationDiamond GammaA66
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • proximity - For Europe
  • Sensors Accelerometer
  • proximity