O2 XDA Comet vs Xiaomi Black Shark

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: 45 g lighter

    XDA Comet:
    145 g
    Black Shark:
    190 g
  • Width

    XDA Comet: 17.4 mm narrower

    XDA Comet:
    58 mm
    Black Shark:
    75.4 mm
  • Screen diagonal

    XDA Comet: 3.29 in smaller diagonal

    XDA Comet:
    2.7 in
    Black Shark:
    5.99 in
  • Rear camera layout

    XDA Comet:
    Single
    Black Shark:
    Dual
  • Depth

    Black Shark: 9.7 mm thinner

    XDA Comet:
    19 mm
    Black Shark:
    9.3 mm
  • Height

    XDA Comet: 55.6 mm shorter

    XDA Comet:
    106 mm
    Black Shark:
    161.6 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. XDA Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +9.7 mm versus Black Shark
  2. 2. Black Shark

    Height:
    161.6 mm +55.6 mm versus XDA Comet
    Width:
    75.4 mm +17.4 mm versus XDA Comet
    Depth:
    9.3 mm

Weight

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

  1. 1. XDA Comet

    145 g

  2. 2. Black Shark

    190 g

    +45 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. Black Shark

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Black Shark has approximately 310.2% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

XDA Comet: Original memory entry

64 MB RAM · 1 GB ROM

Black Shark: Original memory entry

128 GB · 8 GB RAM 64 GB · 6 GB 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. XDA Comet

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

2. Black Shark

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

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. Black Shark

Everyday essentials
Everyday essentials — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Dimensions (HxWxD)
  • 106 Х 58 Х 19 mm
  • 161.6 Х 75.4 Х 9.3 mm
Weight
  • 145 g
  • 190 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.7" inch
  • 5.99" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 2160 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
  • 128 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • miniSD
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Android 8.0 (Oreo)
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 22.6 cm2
  • 92.6 cm2
Screen format
  • 4:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 36.7%
  • 76.0%
PPI /points per inch/
  • 148 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 12 MP
  • f/1.8
  • 1.25µm
  • dual pixel PDAF -20 MP
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA videocall camera
  • 20 MP
  • f/2.2
  • 1.0µm
Performance

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

Performance — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Processor CPU
  • Intel XScale PXA 270 620 MHz
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
GeekBench 4 Single Core * Unknown
  • 2392
GeekBench 4 Multi-Core * Unknown
  • 8368
GeekBench 4 RenderScript * Unknown
  • 13220
Antutu 8 score * Unknown
  • 355979
GeekBench 5 Single Core * Unknown
  • 434
GeekBench 5 Multi-Core * Unknown
  • 1861
General specs
General specs — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Release date
  • 2007
  • September
  • 2018
  • April
Colors
  • Silver
  • Black
  • Gray
  • Royal Blue (128/8GB only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 400 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
SIM card
  • Mini-SIM
  • 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA
  • LTE-A (3CA)
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • miniUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 1.2
  • 5.0
  • A2DP
  • aptX HD
  • LE
Music and Audio
Music and Audio — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • Always-on display -97% DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for XDA Comet, Black Shark.
SpecificationXDA CometBlack Shark
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 3.0)