Archos Diamond Gamma vs Celkon A99

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

    A99: 30 g lighter

    Diamond Gamma:
    150 g
    A99:
    120 g
  • Width

    A99: 6 mm narrower

    Diamond Gamma:
    70 mm
    A99:
    64 mm
  • Screen diagonal

    A99: 1.5 in smaller diagonal

    Diamond Gamma:
    5.5 in
    A99:
    4 in
  • Depth

    Diamond Gamma: 3.3 mm thinner

    Diamond Gamma:
    8 mm
    A99:
    11.3 mm
  • Height

    A99: 21.6 mm shorter

    Diamond Gamma:
    143 mm
    A99:
    121.4 mm
  • Release year

    Diamond Gamma:
    2017
    A99:
    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. Diamond Gamma

    Height:
    143 mm +21.6 mm versus A99
    Width:
    70 mm +6 mm versus A99
    Depth:
    8 mm
  2. 2. A99

    Height:
    121.4 mm
    Width:
    64 mm
    Depth:
    11.3 mm +3.3 mm versus Diamond Gamma

Weight

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

  1. 1. Diamond Gamma

    150 g

    +30 g versus A99

  2. 2. A99

    120 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. A99

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

Diamond Gamma has approximately 75% more rectangular screen area than A99.

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, A99, compared at the same storage capacity.
StorageDiamond GammaA99
32 GB 3 GB RAM Unknown

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. A99

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. Diamond Gamma

    3000 mAh

    +1800 mAh versus A99

  2. 2. A99

    1200 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. A99

Everyday essentials
Everyday essentials — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
Dimensions (HxWxD)
  • 143 Х 70 Х 8 mm
  • 121.4 Х 64 Х 11.3 mm
Weight
  • 150 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
Unknown
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Li-Ion
Operating system OS
  • Android 7 (Nougat); nubia UI 4
  • Android 2.3.5 (Gingerbread)
Chipset
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 47.6 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 174.5 Х 83.3 Х 8.4 mm
  • 61.3%
PPI /points per inch/
  • 267 PPI
  • 144 PPI
Camera and Video
Camera and Video — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
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
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
Unknown
Performance

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

Performance — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
Processor CPU
  • Octa-core 1.4 GHz Cortex-A53
  • 650 MHz
Graphics processor GPU
  • Adreno 505
Unknown
Antutu 7 score *
  • 45325
Unknown
General specs
General specs — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
Release date
  • 2017
  • June
  • 2012
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-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)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • Android 4.4.2 (KitKat)
  • A2DP
  • Super AMOLED
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
Radio
  • panorama
  • Stereo FM radio
  • RDS
  • recordin
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Diamond Gamma, A99.
SpecificationDiamond GammaA99
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • proximity - For Europe
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input