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ASRock Radeon RX 6800 XT Phantom Gaming D OC Review | 118 Data compared

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  • Avg. price in UK: ~£640
  • Avg. price in US: ~$900
  • VRAM: 16 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 300 W

ASRock Radeon RX 6800 XT Phantom Gaming D OC review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

7.3

Overall score

What it is: An overall evaluation of the graphics card's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best graphics cards on the market.

Score components:

90.0%

7.1

Technical Score

10.0%

9.0

User score

Very good
7.1

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

When it matters: When you want to compare graphics cards based on technical performance and available features.

Score components:

44.0%

7.7

Performance

24.0%

6.0

Memory

12.0%

5.1

Power & Cooling

11.0%

8.8

Platform & Features

5.0%

5.9

Design

4.0%

8.9

Connectivity & Media

Very good
9.0

User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

8.6

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.3
(288)
amazon
4.3
(23)
United States
Amazon_logo.png
4.4
(77)
Amazon_logo.png
4.3
(22)

(Reviews last updated: June 2026)

Exceptional
  • 5.8
    Gaming

    Score components:

    45.0%

    4.4

    Floating-point performance

    25.0%

    5.2

    VRAM

    20.0%

    8.3

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 6.2
    Video editing

    Score components:

    35.0%

    7.0

    AV1 encode

    30.0%

    5.2

    VRAM

    20.0%

    4.4

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 5.4
    1080p

    Score components:

    55.0%

    4.4

    Floating-point performance

    25.0%

    5.2

    VRAM

    10.0%

    8.3

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 5.4
    1440p

    Score components:

    50.0%

    4.4

    Floating-point performance

    30.0%

    5.2

    VRAM

    15.0%

    8.3

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 5.7
    4K

    Score components:

    40.0%

    4.4

    Floating-point performance

    35.0%

    5.2

    VRAM

    20.0%

    8.3

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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Best prices in UK

Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The ASRock Radeon RX 6800 XT Phantom Gaming D OC is a high-performance graphics card built on the AMD RDNA 2 architecture, featuring a factory-overclocked boost clock of up to 2310 MHz and a 2065 MHz game clock. It is equipped with 16GB of GDDR6 memory on a 256-bit bus, 4608 stream processors, 72 ray accelerators, and 128MB of AMD Infinity Cache to deliver robust 4K and competitive 1440p gaming. Main characteristics include the Phantom Gaming 3X triple-fan cooling system with 0dB silent technology, Polychrome SYNC ARGB lighting, and a reinforced metal frame for structural integrity. Key pros are its excellent rasterization performance that often competes with the RTX 3080, efficient heat dissipation under load, and generous 16GB VRAM pool. Main cons include its massive 330mm length and 2.8-slot thickness, which may limit compatibility with smaller cases, a high power requirement necessitating triple 8-pin connectors and at least an 800W PSU, and ray tracing performance that generally lags behind its Nvidia counterparts.

Technical Specifications of ASRock Radeon RX 6800 XT Phantom Gaming D OC

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

When it matters: When you want to compare graphics cards based on technical performance and available features.

Score components:

44.0%

7.7

Performance

24.0%

6.0

Memory

12.0%

5.1

Power & Cooling

11.0%

8.8

Platform & Features

5.0%

5.9

Design

4.0%

8.9

Connectivity & Media

7.1
ASRock Radeon RX 6800 XT Phantom Gaming D OC has a technical score of 7.07 points, which is higher than that of 62.6% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

8.6

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.3
(288)
amazon
4.3
(23)
United States
Amazon_logo.png
4.4
(77)
Amazon_logo.png
4.3
(22)

(Reviews last updated: June 2026)

9.0
ASRock Radeon RX 6800 XT Phantom Gaming D OC has a user score of 9.02 points, which is higher than that of 78.3% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the graphics card.
When it matters: When you prefer a graphics card that has already been chosen and reviewed by many other users.
10
ASRock Radeon RX 6800 XT Phantom Gaming D OC has a popularity of 10 points, which is higher than 77.9% of products in this category.
Ratio quality/price

What it is: An indicator that combines the graphics card's overall rating with its cost.

When it matters: When you are looking for a graphics card that offers a strong balance of performance, features, and price.

Score components:

60.0%

7.3

Overall score

40.0%

7.1

Price

7.2
ASRock Radeon RX 6800 XT Phantom Gaming D OC has a quality-to-price ratio of 7.2 points, which is higher than 73.8% of products in this category.
3DMark Time Spy benchmark score
What it is: Benchmark result from 3DMark Time Spy, a synthetic DirectX 12 test often used as a quick gaming-performance reference.
When it matters: When you need a fast rough performance sort before digging into game-specific reviews and frame-rate data.

Importance: LOW

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3DMark Port Royal score
What it is: Benchmark result from 3DMark Port Royal, a synthetic test focused on ray tracing performance.
When it matters: When ray tracing matters in the games you actually play and you want one quick way to separate stronger and weaker RT cards.

Importance: LOW

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PassMark (G3D) result
What it is: Overall GPU performance score in PassMark G3D benchmark
When it matters: When you need one broad score to sort cards into rough performance tiers.

Importance: LOW

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PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

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Floating-point performance
What it is: Theoretical floating-point compute performance of the GPU.
When it matters: When rendering, AI, or heavy compute work needs strong single-precision throughput.

Importance: LOW

21.29 TFLOPS
ASRock Radeon RX 6800 XT Phantom Gaming D OC delivers 21.29 TFLOPS floating-point performance, which is lower than that of 57.9% of graphics cards and equal to that of 0.1% of graphics cards.
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VRAM
What it is: Total video memory available on the graphics card
When it matters: When you play at high settings, use texture mods, or work with large creative projects.

Importance: HIGH

16 GB
ASRock Radeon RX 6800 XT Phantom Gaming D OC has 16 GB of VRAM, which is more than 61.4% of graphics cards and equal to 28.7% of graphics cards.
Memory type
What it is: Type of graphics memory used (GDDR6, HBM2e, etc.)
When it matters: When memory technology is part of the buying decision because it affects bandwidth class, power use, and product positioning.

Importance: LOW

GDDR6
GDDR version
What it is: Generation of GDDR memory used by the graphics card.
When it matters: When you want to separate older memory generations from newer ones before comparing bandwidth, power behavior, and market tier.

Importance: LOW

GDDR6
ASRock Radeon RX 6800 XT Phantom Gaming D OC uses GDDR6 memory, which is newer than on 16.6% of graphics cards and equal to 39.1% of graphics cards.
Memory bus width
What it is: Width of the memory interface bus in bits
When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

Importance: HIGH

256 bit
ASRock Radeon RX 6800 XT Phantom Gaming D OC uses a 256 bit memory bus, which is wider than that of 49.5% of graphics cards and equal to that of 36.1% of graphics cards.
Maximum memory bandwidth
What it is: Maximum data transfer rate between GPU and its memory
When it matters: When 4K gaming, ray tracing, or creator work can choke a slower memory subsystem.

Importance: HIGH

512 GB/s
ASRock Radeon RX 6800 XT Phantom Gaming D OC reaches 512 GB/s memory bandwidth, which is higher than that of 60.2% of graphics cards and equal to that of 1.8% of graphics cards.
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PCI Express (PCIe) version
What it is: Version of PCI Express interface supported
When it matters: When you are pairing the card with an older motherboard and want to avoid leaving bandwidth or future compatibility on the table.

Importance: LOW

4.0
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports PCIe 4.0, which is newer than on 22.5% of graphics cards and equal to 52% of graphics cards.
PCIe lanes
What it is: Number of PCI Express lanes used for communication
When it matters: When limited lane width could bottleneck the card in some systems.

Importance: LOW

x16
ASRock Radeon RX 6800 XT Phantom Gaming D OC uses x16 PCIe lanes, which is more than 31.5% of graphics cards and equal to 68.6% of graphics cards.
DirectX version
What it is: Highest supported DirectX API version
When it matters: When you play newer Windows games that depend on the latest graphics features.

Importance: LOW

12 Ultimate
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports DirectX 12 Ultimate, which is more advanced than on 12.5% of graphics cards and equal to 87.5% of graphics cards.
Vulkan version
What it is: Highest supported Vulkan API version
When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

Importance: LOW

1.3
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports Vulkan 1.3, which is older than on 73.5% of graphics cards and equal to 22.5% of graphics cards.
OpenGL version
What it is: Highest supported OpenGL API version
When it matters: When older games or pro apps still depend on OpenGL compatibility.

Importance: LOW

4.6
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports OpenGL 4.6, which is more advanced than on 4.8% of graphics cards and equal to 95.2% of graphics cards.
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Max displays supported
What it is: Total number of external displays supported simultaneously
When it matters: When you run a multi-monitor desk for sim racing, trading, or editing.

Importance: LOW

4
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports up to 4 displays, which is more than 7.8% of graphics cards and equal to 89.2% of graphics cards.
Max digital resolution
What it is: Maximum supported digital display resolution
When it matters: When you plan to drive 4K or 8K panels at their native resolution.

Importance: LOW

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DisplayPort outputs
What it is: Number of DisplayPort video outputs
When it matters: When your setup needs several high-refresh monitors without adapters.

Importance: LOW

3
ASRock Radeon RX 6800 XT Phantom Gaming D OC offers 3 DisplayPort outputs, which is more than 20.9% of graphics cards and equal to 77.3% of graphics cards.
DisplayPort version
What it is: Version of DisplayPort standard supported
When it matters: When your monitor setup depends on newer DisplayPort features for higher refresh rates, higher resolution, or better cable flexibility.

Importance: LOW

1.4
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports DisplayPort 1.4, which is older than on 77.3% of graphics cards and equal to 16.2% of graphics cards.
DisplayPort link rates
What it is: Supported data link rates for DisplayPort connections
When it matters: When you are pushing high resolution and refresh rate over DisplayPort.

Importance: LOW

8.1 Gbps
ASRock Radeon RX 6800 XT Phantom Gaming D OC supports DisplayPort link rates up to 8.1 Gbps, which is slower than on 50.4% of graphics cards and equal to 40.5% of graphics cards.
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Thermal Design Power (TDP)
What it is: Typical power consumption under full load (TDP)
When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

Importance: MEDIUM

300 W
ASRock Radeon RX 6800 XT Phantom Gaming D OC has a TDP of 300 W, which is higher than that of 71.6% of graphics cards and equal to that of 6.3% of graphics cards.
Power consumption while under peak load
What it is: Peak power draw of the graphics card under maximum load.
When it matters: When transient-heavy gaming loads could stress your power supply.

Importance: LOW

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Recommended PSU wattage
What it is: Recommended wattage of the system power supply
When it matters: When you are checking whether your current power supply is enough.

Importance: LOW

800 W
ASRock Radeon RX 6800 XT Phantom Gaming D OC recommends a 800 W PSU, which is higher than that of 80% of graphics cards and equal to that of 1.5% of graphics cards.
Board power limit
What it is: Maximum configurable power limit for the GPU board
When it matters: When you care about how far the card can be pushed through tuning or factory power settings.

Importance: LOW

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PCIe power spec
What it is: PCIe power delivery specification followed
When it matters: When you are checking whether the slot and external cables match the card's intended power-delivery standard.

Importance: LOW

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Size
What it is: Physical size of the GPU card
When it matters: When you need the card to fit a compact case without blocking nearby hardware.

Importance: LOW

330 x 140 x 56 mm
ASRock Radeon RX 6800 XT Phantom Gaming D OC measures 330x140 x 56 mm, which is more compact than 87.7% of graphics cards and equal in size to 0.1% of graphics cards.
Length
What it is: Physical length of the GPU card
When it matters: When front radiators or drive cages leave only limited GPU clearance.

Importance: LOW

330 mm
ASRock Radeon RX 6800 XT Phantom Gaming D OC is 330 mm long, which is longer than 81.9% of graphics cards and equal in length to 1.1% of graphics cards.
Height
What it is: Physical height of the GPU card
When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

Importance: LOW

140 mm
ASRock Radeon RX 6800 XT Phantom Gaming D OC is 140 mm tall, which is taller than 76.4% of graphics cards and equal in height to 5.6% of graphics cards.
Slot width
What it is: Number of PCIe slots occupied by the card
When it matters: When you need room for another PCIe card or better airflow under the GPU.

Importance: LOW

2.8 slot/s
ASRock Radeon RX 6800 XT Phantom Gaming D OC occupies 2.8 slot/s, which is wider than 68.3% of graphics cards and equal in width to 0.4% of graphics cards.
Weight
What it is: Total weight of the graphics card
When it matters: When sag, bracket support, or shipping stress matters in your build.

Importance: LOW

1,784 g
ASRock Radeon RX 6800 XT Phantom Gaming D OC weighs 1784 g, which is heavier than 86.3% of graphics cards and equal in weight to 0.2% of graphics cards.
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ASRock Radeon RX 6800 XT Phantom Gaming D OC vs the average graphics card

  • 64 more ROPs
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more ROPs than the average graphics card (128 vs 64). The average graphics card has 64 ROPs.
    What it is: Total number of render output units on the GPU
    When it matters: When you want more context on pixel output capacity, especially for high-resolution play and older raster-heavy engines.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more ROPs than the average graphics card (128 vs 64). The average graphics card has 64 ROPs.128 vs 64
  • 32 more compute units
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more compute units than the average graphics card (72 vs 40). The average graphics card has 40 compute units.
    What it is: Total number of shader multiprocessors or compute units
    When it matters: When you want a better sense of the GPU's overall parallel hardware resources before relying on game benchmarks alone.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more compute units than the average graphics card (72 vs 40). The average graphics card has 40 compute units.72 vs 40
  • 24 more ray tracing cores
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more ray tracing cores than the average graphics card (72 vs 48). The average graphics card has 48 ray tracing cores.
    What it is: Number of dedicated ray tracing processing cores or units
    When it matters: When you care about ray-traced lighting, reflections, and shadows in newer games.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more ray tracing cores than the average graphics card (72 vs 48). The average graphics card has 48 ray tracing cores.72 vs 48
  • 79% higher pixel rate
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher pixel rate than the average graphics card (295.7 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
    What it is: Number of pixels the GPU can render per second
    When it matters: When you play at high resolutions or care about older raster-heavy games.

    Importance: MEDIUM

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher pixel rate than the average graphics card (295.7 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.295.7 GPixel/s vs 165.2 GPixel/s
  • 104 more TMUs
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more TMUs than the average graphics card (288 vs 184). The average graphics card has 184 TMUs.
    What it is: Total count of texture mapping units on the GPU
    When it matters: When texture-heavy gaming performance matters and you want extra hardware context behind texture-rate claims.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more TMUs than the average graphics card (288 vs 184). The average graphics card has 184 TMUs.288 vs 184
  • 76.6% higher texture rate
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher texture rate than the average graphics card (665.3 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
    What it is: Number of textured pixels the GPU can process per second
    When it matters: When fast texture handling matters in high-refresh gaming workloads.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher texture rate than the average graphics card (665.3 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.665.3 GTexel/s vs 376.8 GTexel/s
  • 4 GB more VRAM
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
    What it is: Total video memory available on the graphics card
    When it matters: When you play at high settings, use texture mods, or work with large creative projects.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.16 GB vs 12 GB
  • 2x more Infinity Cache
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more Infinity Cache than the average graphics card (128 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.
    What it is: Size of the L3 or Infinity Cache memory
    When it matters: When you want to know whether extra on-chip cache may help the card avoid VRAM bottlenecks in modern high-resolution games.

    Importance: LOW

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more Infinity Cache than the average graphics card (128 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.128 MB vs 64 MB
  • 64 more ROPs
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more ROPs than the average graphics card (128 vs 64). The average graphics card has 64 ROPs.
  • 32 more compute units
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more compute units than the average graphics card (72 vs 40). The average graphics card has 40 compute units.
  • 24 more ray tracing cores
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more ray tracing cores than the average graphics card (72 vs 48). The average graphics card has 48 ray tracing cores.
  • 79% higher pixel rate
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher pixel rate than the average graphics card (295.7 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 104 more TMUs
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more TMUs than the average graphics card (288 vs 184). The average graphics card has 184 TMUs.
  • 76.6% higher texture rate
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher texture rate than the average graphics card (665.3 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • Better FP64 ratio
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a better FP64 ratio than the average graphics card (1:16 vs 1:64).
  • 4 GB more VRAM
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 2x more Infinity Cache
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has more Infinity Cache than the average graphics card (128 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.
  • 14.3% higher memory bandwidth
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher memory bandwidth than the average graphics card (512 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 14.3% faster VRAM clock
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher VRAM clock than the average graphics card (2,000 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.

Total
Overall
Performance
Memory
  • 7.6% lower boost clock speed
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a lower boost GPU clock than the average graphics card (2,310 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 6.9% lower FP32 performance
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a lower FP32 performance than the average graphics card (21.3 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 87.5% smaller L2 cache
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 15.8% slower memory speed
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a lower effective memory speed than the average graphics card (16,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • No DLSS support
    ASRock Radeon RX 6800 XT Phantom Gaming D OC does not support DLSS, the average graphics card does.
  • 40% larger process node
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher process node than the average graphics card (7 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • Older Vulkan version
    ASRock Radeon RX 6800 XT Phantom Gaming D OC supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
  • 3 older
    ASRock Radeon RX 6800 XT Phantom Gaming D OC was released earlier than the average graphics card (2,020 vs 2,023).
  • Older OpenCL version
    ASRock Radeon RX 6800 XT Phantom Gaming D OC supports an older OpenCL version than the average graphics card (2.1 vs 3.0).
  • 70.9% larger GPU die
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher GPU die size than the average graphics card (520 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • No AV1 encoding
    ASRock Radeon RX 6800 XT Phantom Gaming D OC does not support AV1 encoding, the average graphics card does.
  • Older DisplayPort version
    ASRock Radeon RX 6800 XT Phantom Gaming D OC supports an older DisplayPort version than the average graphics card (1.4 vs 1.4a).
  • 39.5% higher TDP
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher TDP than the average graphics card (300 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 23.1% higher PSU requirement
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher PSU requirement than the average graphics card (800 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 17 °C lower thermal ceiling
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a lower thermal ceiling than the average graphics card (110 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.
  • 2.91x higher idle power draw
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher idle power draw than the average graphics card (32 W vs 11 W). The average graphics card has an idle power draw of 11 W.
  • 0.8 slot/s wider design
    ASRock Radeon RX 6800 XT Phantom Gaming D OC occupies more slots than the average graphics card (2.8 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 44.63 mm longer card length
    ASRock Radeon RX 6800 XT Phantom Gaming D OC is longer than the average graphics card (330 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 13 mm higher card profile
    ASRock Radeon RX 6800 XT Phantom Gaming D OC is taller than the average graphics card (140 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 78.8% heavier card weight
    ASRock Radeon RX 6800 XT Phantom Gaming D OC is heavier than the average graphics card (1,784 g vs 998 g). The average graphics card weighs 998 g.
  • No DLSS support
    ASRock Radeon RX 6800 XT Phantom Gaming D OC does not support DLSS, the average graphics card does.
    What it is: Supports NVIDIA DLSS upscaling technology
    When it matters: When you play NVIDIA-supported games and want better frame rates at higher settings.

    Importance: LOW

    ASRock Radeon RX 6800 XT Phantom Gaming D OC does not support DLSS, the average graphics card does.
  • 7.6% lower boost clock speed
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a lower boost GPU clock than the average graphics card (2,310 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
    What it is: Maximum boost frequency the GPU can reach under load
    When it matters: When you want a rough idea of peak advertised frequency, while knowing real sustained clocks still depend on cooling and power limits.

    Importance: HIGH

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a lower boost GPU clock than the average graphics card (2,310 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.2310 MHz vs 2500 MHz
  • 40% larger process node
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher process node than the average graphics card (7 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
    What it is: Size of the manufacturing process in nanometers
    When it matters: When process node differences may affect power, heat, and overall efficiency.

    Importance: MEDIUM

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher process node than the average graphics card (7 nm vs 5 nm). The average graphics card uses a process node of 5 nm.7 nm vs 5 nm
  • 0.8 slot/s wider design
    ASRock Radeon RX 6800 XT Phantom Gaming D OC occupies more slots than the average graphics card (2.8 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
    What it is: Number of PCIe slots occupied by the card
    When it matters: When you need room for another PCIe card or better airflow under the GPU.

    Importance: LOW

    ASRock Radeon RX 6800 XT Phantom Gaming D OC occupies more slots than the average graphics card (2.8 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.2.8 slot/s vs 2 slot/s
  • 39.5% higher TDP
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher TDP than the average graphics card (300 W vs 215 W). The average graphics card has a TDP of 215 W.
    What it is: Typical power consumption under full load (TDP)
    When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

    Importance: MEDIUM

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher TDP than the average graphics card (300 W vs 215 W). The average graphics card has a TDP of 215 W.300 W vs 215 W
  • No AV1 encoding
    ASRock Radeon RX 6800 XT Phantom Gaming D OC does not support AV1 encoding, the average graphics card does.
    What it is: Supports hardware encoding of AV1 video codec
    When it matters: When you stream or export video and want efficient AV1 encoding on the GPU.

    Importance: LOW

    ASRock Radeon RX 6800 XT Phantom Gaming D OC does not support AV1 encoding, the average graphics card does.No vs yes
  • 23.1% higher PSU requirement
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher PSU requirement than the average graphics card (800 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
    What it is: Recommended wattage of the system power supply
    When it matters: When you are checking whether your current power supply is enough.

    Importance: LOW

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has a higher PSU requirement than the average graphics card (800 W vs 650 W). The average graphics card has a PSU requirement of 650 W.800 W vs 650 W
  • 87.5% smaller L2 cache
    ASRock Radeon RX 6800 XT Phantom Gaming D OC has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
    What it is: Total size of the GPU’s L2 cache memory
    When it matters: When cache size can help the GPU feed data faster in demanding scenes.

    Importance: LOW

    ASRock Radeon RX 6800 XT Phantom Gaming D OC has fewer L2 cache than the average graphics card (4 MB vs 32 MB). The average graphics card has 32 MB L2 cache.4 MB vs 32 MB
Total
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design

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Third-party reviews

United Kingdom
amazon
4.3
288 Reviews
amazon
4.3
23 Reviews
United States
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4.4
77 Reviews
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4.3
22 Reviews

(Reviews last updated: June 2026)

What customers like about ASRock Radeon RX 6800 XT Phantom Gaming D OC?

  • Excellent raw performance for 1440p and 4K gaming
  • Significant overclocking headroom, with some users reaching clock speeds near 2800MHz
  • Generous 16GB VRAM buffer, which is beneficial for high-resolution textures
  • Effective triple-fan cooling system that remains relatively quiet under standard loads
  • Customisable RGB lighting on the fan, logo, and backplate
  • Better value-for-money compared to contemporary Nvidia counterparts in pure rasterization

What customers dislike about ASRock Radeon RX 6800 XT Phantom Gaming D OC?

  • Large physical dimensions (2.8 to 3-slot design) that may not fit in smaller cases
  • High power consumption, necessitating a 750W-850W power supply and three 8-pin connectors
  • Noticeable coil whine reported by several users under heavy load
  • Inferior ray tracing performance and lack of DLSS support compared to Nvidia cards
  • Some users reported high hotspot temperatures that occasionally required thermal paste re-application
  • Control software can be inconsistent or 'janky' for synchronising RGB

Expert reviews

P
pcpit33.medium.com
20/05/2021
AsRock Phantom Gaming 6800XT Review (Note: Major tech publication reviews for ASRock's custom RX 6800 XT lineup primarily focused on their top-tier fl...

The PC PIT review of the ASRock Phantom Gaming RX 6800 XT highlights the card as a powerful, high-performance option with 16GB GDDR6 memory, capable of "crushing" 1080p and acting as a 1440p "sweet spot" that outperforms the RTX 3080 in raw rasterization. Pros include strong 4K capabilities and a unique design with addressable RGB on the middle fan and top panel. However, the...Read more

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