O2 XDA Comet vs Samsung Galaxy A8 (2016)

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

    XDA Comet: 37 g lighter

    XDA Comet:
    145 g
    Galaxy A8 (2016):
    182 g
  • Width

    XDA Comet: 18.8 mm narrower

    XDA Comet:
    58 mm
    Galaxy A8 (2016):
    76.8 mm
  • Screen diagonal

    XDA Comet: 3 in smaller diagonal

    XDA Comet:
    2.7 in
    Galaxy A8 (2016):
    5.7 in
  • Depth

    Galaxy A8 (2016): 11.8 mm thinner

    XDA Comet:
    19 mm
    Galaxy A8 (2016):
    7.2 mm
  • Height

    XDA Comet: 50.6 mm shorter

    XDA Comet:
    106 mm
    Galaxy A8 (2016):
    156.6 mm
  • Release year

    XDA Comet:
    2007
    Galaxy A8 (2016):
    2016

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. XDA Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +11.8 mm versus Galaxy A8 (2016)
  2. 2. Galaxy A8 (2016)

    Height:
    156.6 mm +50.6 mm versus XDA Comet
    Width:
    76.8 mm +18.8 mm versus XDA Comet
    Depth:
    7.2 mm

Weight

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

  1. 1. XDA Comet

    145 g

  2. 2. Galaxy A8 (2016)

    182 g

    +37 g versus XDA Comet

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. XDA Comet

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. Galaxy A8 (2016)

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

Galaxy A8 (2016) has approximately 296.7% more rectangular screen area than XDA Comet.

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 XDA Comet, Galaxy A8 (2016), compared at the same storage capacity.
StorageXDA CometGalaxy A8 (2016)
32 GB Unknown 3 GB RAM
XDA Comet: Original memory entry

64 MB RAM · 1 GB ROM

Practical features

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

1. XDA Comet

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

2. Galaxy A8 (2016)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. XDA Comet2. Galaxy A8 (2016)

Everyday essentials
Everyday essentials — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Dimensions (HxWxD)
  • 106 Х 58 Х 19 mm
  • 156.6 Х 76.8 Х 7.2 mm
Weight
  • 145 g
  • 182 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 2.7" inch
  • 5.7" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 1 GB ROM
  • 32 GB
  • 3 GB RAM
Memory card support
  • miniSD
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 3300 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 6.0.1 (Marshmallow)
Chipset Unknown
  • Exynos 7420 Octa (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 22.6 cm2
  • 89.6 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 36.7%
  • 74.5%
PPI /points per inch/
  • 148 PPI
  • 386 PPI
Camera and Video
Camera and Video — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 2 MP
  • 16 MP
  • AF
  • f/1.9
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/1.9
Performance

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

Performance — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Processor CPU
  • Intel XScale PXA 270 620 MHz
  • Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Mali-T760MP8
Antutu 7 score * Unknown
  • 87195
GeekBench 4 Single Core * Unknown
  • 1305
GeekBench 4 Multi-Core * Unknown
  • 4204
GeekBench 5 Single Core * Unknown
  • 244
GeekBench 5 Multi-Core * Unknown
  • 950
General specs
General specs — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Release date
  • 2007
  • September
  • 2016
  • September
Colors
  • Silver
  • Blue
  • Pink
  • Silver
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 300 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Talking time- Up to 22 h (3G) Music play - Up to 44 h
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600) - Taiwan LTE band 1(2100)
  • 20(800)
  • 40(2300) - UAE
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS/ BDS (market dependant)
USB
  • miniUSB
  • microUSB 2.0
Bluetooth
  • 1.2
  • 4.1
  • A2DP
  • EDR
  • LE
Harmful irradiation Unknown
  • SAR EU - 0.13 W/kg (head) 1.17 W/kg (body)
Music and Audio
Music and Audio — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Radio
  • Stereo FM radio
  • RDS
  • FM radio
  • RDS
  • recording
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Comet, Galaxy A8 (2016).
SpecificationXDA CometGalaxy A8 (2016)
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - ANT+ - Versions: A810F/DS (UAE); A810YZ (Taiwan) Also known as Samsung Galaxy A8 Duos (2016) with dual-SIM card slots