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ASRock Radeon RX 7900 XT Phantom Gaming OC Review | 118 Data compared

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  • Avg. price in UK: ~£750
  • Avg. price in US: ~$730
  • VRAM: 20 GB
  • Memory bus width: 320 bit
  • Thermal Design Power (TDP): 300 W

ASRock Radeon RX 7900 XT Phantom Gaming OC review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.0

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%

7.9

Technical Score

10.0%

8.9

User score

Excellent
7.9

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%

8.2

Performance

24.0%

7.8

Memory

12.0%

7.3

Power & Cooling

11.0%

8.0

Platform & Features

5.0%

5.9

Design

4.0%

9.5

Connectivity & Media

Very good
8.9

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%

9.0

User reviews

30.0%

8.5

Popularity

User score:
United Kingdom
amazon
4.5
(135)
United States
Amazon_logo.png
4.5
(206)

(Reviews last updated: June 2026)

Excellent
  • 8.1
    Gaming

    Score components:

    45.0%

    ?

    Floating-point performance

    25.0%

    6.4

    VRAM

    20.0%

    10

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.3
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    6.4

    VRAM

    20.0%

    ?

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 7.9
    1080p

    Score components:

    55.0%

    ?

    Floating-point performance

    25.0%

    6.4

    VRAM

    10.0%

    10

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 7.9
    1440p

    Score components:

    50.0%

    ?

    Floating-point performance

    30.0%

    6.4

    VRAM

    15.0%

    10

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 7.9
    4K

    Score components:

    40.0%

    ?

    Floating-point performance

    35.0%

    6.4

    VRAM

    20.0%

    10

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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Best prices in UK

Best rankings

?

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 7900 XT Phantom Gaming OC is a high-performance graphics card built on the AMD RDNA 3 architecture, featuring 5,376 stream processors and a significant factory overclock with boost clocks up to 2450 MHz. It is equipped with 20GB of GDDR6 VRAM on a 320-bit bus, providing high-speed 20Gbps memory performance suitable for demanding 4K gaming and professional creative tasks. Key characteristics include the Phantom Gaming 3X cooling system with three striped ring fans, a reinforced metal frame, and a stylish metal backplate with integrated Polychrome SYNC ARGB lighting. Its primary pros are exceptional high-resolution performance, robust thermal management that remains quiet under load, and a future-proof DisplayPort 2.1 output for 8K resolution support. Notable cons include its substantial physical size requiring nearly three expansion slots (330mm length) and high power requirements that typically necessitate a 750W minimum power supply and dual 8-pin connectors.

Technical Specifications of ASRock Radeon RX 7900 XT Phantom Gaming 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%

8.2

Performance

24.0%

7.8

Memory

12.0%

7.3

Power & Cooling

11.0%

8.0

Platform & Features

5.0%

5.9

Design

4.0%

9.5

Connectivity & Media

7.9
ASRock Radeon RX 7900 XT Phantom Gaming OC has a technical score of 7.9 points, which is higher than that of 76.6% 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%

9.0

User reviews

30.0%

8.5

Popularity

User score:
United Kingdom
amazon
4.5
(135)
United States
Amazon_logo.png
4.5
(206)

(Reviews last updated: June 2026)

8.9
ASRock Radeon RX 7900 XT Phantom Gaming OC has a user score of 8.85 points, which is higher than that of 75.8% 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.
8.5
ASRock Radeon RX 7900 XT Phantom Gaming OC has a popularity of 8.5 points, which is higher than 74% 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%

8.0

Overall score

40.0%

6.6

Price

7.6
ASRock Radeon RX 7900 XT Phantom Gaming OC has a quality-to-price ratio of 7.6 points, which is higher than 92.3% 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

13,726 points
ASRock Radeon RX 7900 XT Phantom Gaming OC scores 13726 points in 3DMark Port Royal, which is higher than 65.2% of graphics cards and equal to 1.1% of graphics cards.
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

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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

20 GB
ASRock Radeon RX 7900 XT Phantom Gaming OC has 20 GB of VRAM, which is more than 90.1% of graphics cards and equal to 1% 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 7900 XT Phantom Gaming 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

320 bit
ASRock Radeon RX 7900 XT Phantom Gaming OC uses a 320 bit memory bus, which is wider than that of 85.7% of graphics cards and equal to that of 2.1% 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

800 GB/s
ASRock Radeon RX 7900 XT Phantom Gaming OC reaches 800 GB/s memory bandwidth, which is higher than that of 81.2% of graphics cards and equal to that of 0.9% 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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

2.1
ASRock Radeon RX 7900 XT Phantom Gaming OC supports DisplayPort 2.1, which is more advanced than on 67.8% of graphics cards and equal to 7.8% 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

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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 7900 XT Phantom Gaming 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

750 W
ASRock Radeon RX 7900 XT Phantom Gaming OC recommends a 750 W PSU, which is higher than that of 62.5% of graphics cards and equal to that of 17.5% 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

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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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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

1,450 g
ASRock Radeon RX 7900 XT Phantom Gaming OC weighs 1450 g, which is heavier than 73.9% of graphics cards and equal in weight to 0.6% of graphics cards.
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ASRock Radeon RX 7900 XT Phantom Gaming OC vs the average graphics card

  • 44 more compute units
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more compute units than the average graphics card (84 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 7900 XT Phantom Gaming OC has more compute units than the average graphics card (84 vs 40). The average graphics card has 40 compute units.84 vs 40
  • 36 more ray tracing cores
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more ray tracing cores than the average graphics card (84 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 7900 XT Phantom Gaming OC has more ray tracing cores than the average graphics card (84 vs 48). The average graphics card has 48 ray tracing cores.84 vs 48
  • 128 more ROPs
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more ROPs than the average graphics card (192 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 7900 XT Phantom Gaming OC has more ROPs than the average graphics card (192 vs 64). The average graphics card has 64 ROPs.192 vs 64
  • 8 GB more VRAM
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more VRAM than the average graphics card (20 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 7900 XT Phantom Gaming OC has more VRAM than the average graphics card (20 GB vs 12 GB). The average graphics card has 12 GB VRAM.20 GB vs 12 GB
  • 2.18x higher texture rate
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher texture rate than the average graphics card (823.2 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 7900 XT Phantom Gaming OC has a higher texture rate than the average graphics card (823.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.823.2 GTexel/s vs 376.8 GTexel/s
  • 2.85x higher pixel rate
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher pixel rate than the average graphics card (470.4 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 7900 XT Phantom Gaming OC has a higher pixel rate than the average graphics card (470.4 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.470.4 GPixel/s vs 165.2 GPixel/s
  • 152 more TMUs
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more TMUs than the average graphics card (336 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 7900 XT Phantom Gaming OC has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.336 vs 184
  • 78.6% higher memory bandwidth
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher memory bandwidth than the average graphics card (800 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
    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

    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher memory bandwidth than the average graphics card (800 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.800 GB/s vs 448 GB/s
  • 44 more compute units
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more compute units than the average graphics card (84 vs 40). The average graphics card has 40 compute units.
  • 36 more ray tracing cores
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more ray tracing cores than the average graphics card (84 vs 48). The average graphics card has 48 ray tracing cores.
  • 128 more ROPs
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more ROPs than the average graphics card (192 vs 64). The average graphics card has 64 ROPs.
  • 2.85x higher pixel rate
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher pixel rate than the average graphics card (470.4 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 2.18x higher texture rate
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher texture rate than the average graphics card (823.2 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 152 more TMUs
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.
  • 3.57x higher FP16 performance
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher FP16 performance than the average graphics card (105.3 TFLOPS vs 29.5 TFLOPS). The average graphics card has FP16 performance of 29.5 TFLOPS.
  • 6,400 more FP32 units
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more FP32 units than the average graphics card (10,752 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 38.1% higher ray tracing score
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher ray tracing score than the average graphics card (13,726 points vs 9,938.5 points). The average graphics card has a ray tracing score of 9,938.5 points.
  • 8 GB more VRAM
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more VRAM than the average graphics card (20 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 78.6% higher memory bandwidth
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher memory bandwidth than the average graphics card (800 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 42.9% faster VRAM clock
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher VRAM clock than the average graphics card (2,500 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 64 bit wider memory bus
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a wider memory bus than the average graphics card (320 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • Supports ECC memory
    ASRock Radeon RX 7900 XT Phantom Gaming OC supports ECC memory, the average graphics card does not.
  • 25% more Infinity Cache
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more Infinity Cache than the average graphics card (80 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.
  • 2.63x more transistors
    ASRock Radeon RX 7900 XT Phantom Gaming OC has more transistors than the average graphics card (57,700 million vs 21,900 million). The average graphics card has 21,900 million transistors.
  • Newer DisplayPort version
    ASRock Radeon RX 7900 XT Phantom Gaming OC supports a newer DisplayPort version than the average graphics card (2.1 vs 1.4a).
  • 6.4 dB quieter under load
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower load noise level than the average graphics card (28.6 dB vs 35 dB). The average graphics card has a load noise level of 35 dB.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 21.9% lower base clock speed
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower base GPU clock than the average graphics card (1,500 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 2% lower boost clock speed
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower boost GPU clock than the average graphics card (2,450 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 24 fewer AI cores
    ASRock Radeon RX 7900 XT Phantom Gaming OC has fewer AI cores than the average graphics card (168 vs 192). The average graphics card has 192 AI cores.
  • 77.9% lower INT8 performance
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower INT8 performance than the average graphics card (103 TOPS vs 466 TOPS). The average graphics card has INT8 performance of 466 TOPS.
  • 81.3% smaller L2 cache
    ASRock Radeon RX 7900 XT Phantom Gaming OC has fewer L2 cache than the average graphics card (6 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • No DLSS support
    ASRock Radeon RX 7900 XT Phantom Gaming OC does not support DLSS, the average graphics card does.
  • Older Vulkan version
    ASRock Radeon RX 7900 XT Phantom Gaming OC supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
  • Older OpenCL version
    ASRock Radeon RX 7900 XT Phantom Gaming OC supports an older OpenCL version than the average graphics card (2.1 vs 3.0).
  • 73.9% larger GPU die
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher GPU die size than the average graphics card (529 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • 1 older
    ASRock Radeon RX 7900 XT Phantom Gaming OC was released earlier than the average graphics card (2,022 vs 2,023).
  • Older shader model
    ASRock Radeon RX 7900 XT Phantom Gaming OC supports an older shader model than the average graphics card (6.7 vs 6.8).
  • 39.5% higher TDP
    ASRock Radeon RX 7900 XT Phantom Gaming 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.
  • 15.4% higher PSU requirement
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a higher PSU requirement than the average graphics card (750 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 17 °C lower thermal ceiling
    ASRock Radeon RX 7900 XT Phantom Gaming 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.
  • 0.8 slot/s wider design
    ASRock Radeon RX 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming OC is taller than the average graphics card (140 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 45.3% heavier card weight
    ASRock Radeon RX 7900 XT Phantom Gaming OC is heavier than the average graphics card (1,450 g vs 998 g). The average graphics card weighs 998 g.
  • No DLSS support
    ASRock Radeon RX 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming OC does not support DLSS, the average graphics card does.
  • 21.9% lower base clock speed
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower base GPU clock than the average graphics card (1,500 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
    What it is: Base operating frequency of the GPU core under standard conditions
    When it matters: When you want to understand the card's guaranteed starting frequency instead of looking only at optimistic boost figures.

    Importance: HIGH

    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower base GPU clock than the average graphics card (1,500 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.1500 MHz vs 1920 MHz
  • 0.8 slot/s wider design
    ASRock Radeon RX 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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 7900 XT Phantom Gaming 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
  • 2% lower boost clock speed
    ASRock Radeon RX 7900 XT Phantom Gaming OC has a lower boost GPU clock than the average graphics card (2,450 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 7900 XT Phantom Gaming OC has a lower boost GPU clock than the average graphics card (2,450 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.2450 MHz vs 2500 MHz
  • 44.63 mm longer card length
    ASRock Radeon RX 7900 XT Phantom Gaming 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.
    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

    ASRock Radeon RX 7900 XT Phantom Gaming 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.330 mm vs 285.37 mm
  • 13 mm higher card profile
    ASRock Radeon RX 7900 XT Phantom Gaming OC is taller than the average graphics card (140 mm vs 127 mm). The average graphics card has a height of 127 mm.
    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

    ASRock Radeon RX 7900 XT Phantom Gaming OC is taller than the average graphics card (140 mm vs 127 mm). The average graphics card has a height of 127 mm.140 mm vs 127 mm
  • 81.3% smaller L2 cache
    ASRock Radeon RX 7900 XT Phantom Gaming OC has fewer L2 cache than the average graphics card (6 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 7900 XT Phantom Gaming OC has fewer L2 cache than the average graphics card (6 MB vs 32 MB). The average graphics card has 32 MB L2 cache.6 MB vs 32 MB
Total
Overall
Performance
Memory
Platform & Features
Power & Cooling
Design

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Third-party reviews

United Kingdom
amazon
4.5
135 Reviews
United States
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4.5
206 Reviews

(Reviews last updated: June 2026)

What customers like about ASRock Radeon RX 7900 XT Phantom Gaming OC?

  • Excellent rasterization performance, often outperforming the RTX 4070 Ti in non-ray-traced games.
  • Generous 20GB VRAM provides significant future-proofing for high-resolution 4K gaming and texture-heavy tasks.
  • Efficient cooling system that generally remains quiet and maintains stable clock speeds during heavy loads.
  • High build quality featuring a reinforced metal frame and a stylish metal backplate with integrated ARGB lighting.
  • Support for modern connectivity standards like DisplayPort 2.1 and HDMI 2.1.
  • Good value for money compared to Nvidia's 80-series alternatives, especially after recent price drops.

What customers dislike about ASRock Radeon RX 7900 XT Phantom Gaming OC?

  • Inferior ray tracing performance and lack of DLSS support compared to Nvidia's RTX 40-series competitors.
  • High hotspot temperatures (often cited between 90°C and 110°C) reported by some users, sometimes requiring manual undervolting or repasting.
  • Massive physical size (330mm length) can cause clearance issues in smaller PC cases or interfere with front-mounted radiators.
  • High power draw that can lead to transient spikes, necessitating a high-quality PSU (750W minimum, 850W+ recommended).
  • Limited RGB customisation noted by some users, with basic 'on/off' or rainbow effects unless using specific ASRock software.

Expert reviews

T
techpowerup.com
06/01/2024
ASRock Radeon RX 7900 XT Phantom Gaming White Review Note on results: The "White Edition" linked above uses the exact same PCB and factory overclock s...

The ASRock Radeon RX 7900 XT Phantom Gaming White is a factory-overclocked card featuring a white aesthetic, 20 GB of GDDR6 memory, and excellent rasterized gaming performance at 4K and 1440p. It boasts a quiet, high-performance thermal cooler and offers significant manual overclocking headroom. However, the card falls behind competitors in ray tracing, lacks DLSS 3 support, and has...Read more

Video reviews

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