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XFX Speedster Merc 310 Radeon RX 7900 XT Review | 118 Data compared

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  • Avg. price: ~£610
  • VRAM: 20 GB
  • Memory bus width: 320 bit
  • Thermal Design Power (TDP): 300 W

XFX Speedster Merc 310 Radeon RX 7900 XT review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.2

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%

8.3

Technical Score

10.0%

7.6

User score

Excellent
8.3

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%

8.8

Performance

24.0%

7.6

Memory

12.0%

8.0

Power & Cooling

11.0%

8.8

Platform & Features

5.0%

5.6

Design

4.0%

8.9

Connectivity & Media

Excellent
7.6

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%

8.8

User reviews

30.0%

4.7

Popularity

User score:
United Kingdom
amazon
4.4
(54)
United States
Amazon_logo.png
4.4
(57)

(Reviews last updated: June 2026)

Very good
  • 9.0
    Gaming

    Score components:

    45.0%

    10

    Floating-point performance

    25.0%

    6.4

    VRAM

    20.0%

    10

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.7
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    6.4

    VRAM

    20.0%

    10

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 9.0
    1080p

    Score components:

    55.0%

    10

    Floating-point performance

    25.0%

    6.4

    VRAM

    10.0%

    10

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.9
    1440p

    Score components:

    50.0%

    10

    Floating-point performance

    30.0%

    6.4

    VRAM

    15.0%

    10

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 8.7
    4K

    Score components:

    40.0%

    10

    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 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 XFX Speedster MERC 310 Radeon RX 7900 XT is a high-end graphics card built on the AMD RDNA 3 architecture, featuring 5,376 stream processors and 20GB of GDDR6 memory on a 320-bit bus. This custom model is equipped with a triple-fan cooling system that includes a copper vapor chamber, a rigid aluminum backplate, and factory-overclocked speeds reaching a boost clock of up to 2,560 MHz. Main pros include exceptional 4K and 1440p gaming performance, significantly cooler operation compared to reference designs, a sturdy build quality, and future-proof DisplayPort 2.1 support. However, users should consider cons such as its massive physical footprint (344mm in length), higher power draw requiring a minimum 750W PSU, and ray tracing performance that trails behind competitors.

Technical Specifications of XFX Speedster Merc 310 Radeon RX 7900 XT

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%

8.8

Performance

24.0%

7.6

Memory

12.0%

8.0

Power & Cooling

11.0%

8.8

Platform & Features

5.0%

5.6

Design

4.0%

8.9

Connectivity & Media

8.3
XFX Speedster Merc 310 Radeon RX 7900 XT has a technical score of 8.27 points, which is higher than that of 84.9% 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%

8.8

User reviews

30.0%

4.7

Popularity

User score:
United Kingdom
amazon
4.4
(54)
United States
Amazon_logo.png
4.4
(57)

(Reviews last updated: June 2026)

7.6
XFX Speedster Merc 310 Radeon RX 7900 XT has a user score of 7.57 points, which is lower than that of 82.2% 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.
4.7
XFX Speedster Merc 310 Radeon RX 7900 XT has a popularity of 4.7 points, which is higher than 60.5% 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%

8.2

Overall score

40.0%

7.3

Price

7.9
XFX Speedster Merc 310 Radeon RX 7900 XT has a quality-to-price ratio of 7.9 points, which is higher than 99.8% 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

25,533 points
XFX Speedster Merc 310 Radeon RX 7900 XT scores 25533 points in 3DMark Time Spy, which is higher than 81.9% of graphics cards.
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

54.51 TFLOPS
XFX Speedster Merc 310 Radeon RX 7900 XT delivers 54.51 TFLOPS floating-point performance, which is higher than that of 87.5% 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

20 GB
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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

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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

1.4
XFX Speedster Merc 310 Radeon RX 7900 XT supports Vulkan 1.4, which is more advanced than on 26.6% of graphics cards and equal to 73.4% 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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

7680x4320
XFX Speedster Merc 310 Radeon RX 7900 XT supports a maximum digital resolution of 7680x4320, which is higher than that of 44.4% of graphics cards and equal to that of 55.6% of graphics cards.
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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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
XFX Speedster Merc 310 Radeon RX 7900 XT 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

344 mm
XFX Speedster Merc 310 Radeon RX 7900 XT is 344 mm long, which is longer than 93.9% of graphics cards and equal in length to 0.3% 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

128 mm
XFX Speedster Merc 310 Radeon RX 7900 XT is 128 mm tall, which is taller than 51.1% of graphics cards and equal in height to 1.5% 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

2.7 slot/s
XFX Speedster Merc 310 Radeon RX 7900 XT occupies 2.7 slot/s, which is wider than 65.9% of graphics cards and equal in width to 1.6% 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

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XFX Speedster Merc 310 Radeon RX 7900 XT vs the average graphics card

  • 44 more compute units
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT has more ROPs than the average graphics card (192 vs 64). The average graphics card has 64 ROPs.192 vs 64
  • 2.26x higher texture rate
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher texture rate than the average graphics card (851.8 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

    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher texture rate than the average graphics card (851.8 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.851.8 GTexel/s vs 376.8 GTexel/s
  • 2.95x higher pixel rate
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher pixel rate than the average graphics card (486.7 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

    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher pixel rate than the average graphics card (486.7 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.486.7 GPixel/s vs 165.2 GPixel/s
  • 8 GB more VRAM
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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
  • 152 more TMUs
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT has more ROPs than the average graphics card (192 vs 64). The average graphics card has 64 ROPs.
  • 2.26x higher texture rate
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher texture rate than the average graphics card (851.8 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 2.95x higher pixel rate
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher pixel rate than the average graphics card (486.7 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 152 more TMUs
    XFX Speedster Merc 310 Radeon RX 7900 XT has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.
  • 2.38x higher FP32 performance
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher FP32 performance than the average graphics card (54.5 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 2.25x higher gaming score
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher gaming score than the average graphics card (25,533 points vs 11,337 points). The average graphics card has a gaming score of 11,337 points.
  • 1.4% higher boost clock speed
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher boost GPU clock than the average graphics card (2,535 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 2.36x higher compute throughput
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher compute throughput than the average graphics card (54.5 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 8 GB more VRAM
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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.
  • 11.43x faster VRAM clock
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher VRAM clock than the average graphics card (20,000 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 64 bit wider memory bus
    XFX Speedster Merc 310 Radeon RX 7900 XT 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.
  • 25% more Infinity Cache
    XFX Speedster Merc 310 Radeon RX 7900 XT has more Infinity Cache than the average graphics card (80 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.
  • 2x larger L1 cache
    XFX Speedster Merc 310 Radeon RX 7900 XT has more L1 cache than the average graphics card (256 vs 128). The average graphics card has 128 L1 cache.
  • 2.63x more transistors
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT supports a newer DisplayPort version than the average graphics card (2.1 vs 1.4a).
  • Includes dual BIOS
    XFX Speedster Merc 310 Radeon RX 7900 XT includes dual BIOS, the average graphics card does not.
  • 10 °C lower load temperature
    XFX Speedster Merc 310 Radeon RX 7900 XT has a lower load temperature than the average graphics card (57 °C vs 67 °C). The average graphics card has a load temperature of 67 °C.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 7.6% lower base clock speed
    XFX Speedster Merc 310 Radeon RX 7900 XT has a lower base GPU clock than the average graphics card (1,775 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 24 fewer AI cores
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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.
  • No DLSS support
    XFX Speedster Merc 310 Radeon RX 7900 XT does not support DLSS, the average graphics card does.
  • Older OpenCL version
    XFX Speedster Merc 310 Radeon RX 7900 XT supports an older OpenCL version than the average graphics card (2.1 vs 3.0).
  • 71.6% larger GPU die
    XFX Speedster Merc 310 Radeon RX 7900 XT has a higher GPU die size than the average graphics card (522 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • 1 older
    XFX Speedster Merc 310 Radeon RX 7900 XT was released earlier than the average graphics card (2,022 vs 2,023).
  • 39.5% higher TDP
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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
    XFX Speedster Merc 310 Radeon RX 7900 XT 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.
  • 0.7 slot/s wider design
    XFX Speedster Merc 310 Radeon RX 7900 XT occupies more slots than the average graphics card (2.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 58.63 mm longer card length
    XFX Speedster Merc 310 Radeon RX 7900 XT is longer than the average graphics card (344 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • No DLSS support
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT does not support DLSS, the average graphics card does.
  • 39.5% higher TDP
    XFX Speedster Merc 310 Radeon RX 7900 XT 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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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
  • 0.7 slot/s wider design
    XFX Speedster Merc 310 Radeon RX 7900 XT occupies more slots than the average graphics card (2.7 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

    XFX Speedster Merc 310 Radeon RX 7900 XT occupies more slots than the average graphics card (2.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.2.7 slot/s vs 2 slot/s
  • 58.63 mm longer card length
    XFX Speedster Merc 310 Radeon RX 7900 XT is longer than the average graphics card (344 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

    XFX Speedster Merc 310 Radeon RX 7900 XT is longer than the average graphics card (344 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.344 mm vs 285.37 mm
  • 15.4% higher PSU requirement
    XFX Speedster Merc 310 Radeon RX 7900 XT 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.
    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

    XFX Speedster Merc 310 Radeon RX 7900 XT 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.750 W vs 650 W
  • 17 °C lower thermal ceiling
    XFX Speedster Merc 310 Radeon RX 7900 XT 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.
    What it is: Maximum safe junction temperature of the GPU die
    When it matters: When you are evaluating thermal headroom and want to know how close the GPU can run to its official ceiling before throttling behavior becomes a concern.

    Importance: LOW

    XFX Speedster Merc 310 Radeon RX 7900 XT 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.110 °C vs 93 °C
  • 7.6% lower base clock speed
    XFX Speedster Merc 310 Radeon RX 7900 XT has a lower base GPU clock than the average graphics card (1,775 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

    XFX Speedster Merc 310 Radeon RX 7900 XT has a lower base GPU clock than the average graphics card (1,775 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.1775 MHz vs 1920 MHz
  • 24 fewer AI cores
    XFX Speedster Merc 310 Radeon RX 7900 XT has fewer AI cores than the average graphics card (168 vs 192). The average graphics card has 192 AI cores.
    What it is: Number of tensor or AI processing cores
    When it matters: When AI features, frame generation, or creator tools use dedicated matrix hardware.

    Importance: MEDIUM

    XFX Speedster Merc 310 Radeon RX 7900 XT has fewer AI cores than the average graphics card (168 vs 192). The average graphics card has 192 AI cores.168 vs 192
Total
Overall
Performance
Platform & Features
Power & Cooling
Design

Graphic comparison of XFX Speedster Merc 310 Radeon RX 7900 XT and

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Third-party reviews

United Kingdom
amazon
4.4
54 Reviews
United States
Amazon_logo.png
4.4
57 Reviews

(Reviews last updated: June 2026)

What customers like about XFX Speedster Merc 310 Radeon RX 7900 XT?

  • Excellent 1440p and native 4K gaming performance without ray tracing
  • Highly effective cooling system that keeps temperatures well below reference models
  • Robust and premium build quality with a full-length aluminum backplate
  • Includes a functional Z Support Bar to prevent GPU sag
  • Silent operation at stock settings with a custom fan curve
  • Great rasterization value compared to competitors like the RTX 4080
  • Large 20GB VRAM capacity provides future-proofing for demanding titles

What customers dislike about XFX Speedster Merc 310 Radeon RX 7900 XT?

  • Extremely long card (344mm) that may not fit in many standard cases
  • Anti-sag bracket adds even more length, further complicating installation
  • Ray tracing performance lags significantly behind NVIDIA's 40-series cards
  • Default fan profile can be quite loud under heavy loads
  • Noticeable coil whine reported by some users during high framerates
  • Occasional driver stability issues or timeouts mentioned in user feedback
  • High power consumption, especially when overclocked

Expert reviews

T
thefpsreview.com
23/01/2023
XFX SPEEDSTER MERC 310 AMD Radeon RX 7900 XT Black Edition Video Card Review If you need help digging into the specific thermal metrics, overclocking...

The XFX Speedster Merc 310 AMD Radeon RX 7900 XT Black Edition is a custom, factory-overclocked graphics card featuring AMD’s RDNA 3 architecture and 20GB of GDDR6 memory. Built with a thick 3mm die-cast aluminum shroud and a full-coverage backplate, it delivers exceptional structural rigidity and an understated black-and-silver look. Cooling is a major strength, utilizing a premium...Read more

O
overclockers.com
13/12/2022
XFX MERC 310 RX 7900 XT Review: AMD's Back in the Game HotHardware

The XFX MERC 310 Black RX 7900 XT is a premium Navi 31 graphics card that delivers performance competitive with the RTX 4080 while exceeding the RTX 3090 Ti, supported by a robust 2.7-slot cooling solution, a sturdy aluminum backplate, and a clean, minimalist design. Key benefits include significant overclocking headroom from its enhanced VRM and a high-performance factory overclock...Read more

L
lanoc.org
13/12/2022
XFX MERC 310 7900 XT Black Edition - LanOC Reviews

The XFX MERC 310 7900 XT Black Edition is an aftermarket graphics card reviewed by Wes Compton at LanOC Reviews, offering a massive factory overclock compared to AMD's stock reference design. Built on the RDNA 3 architecture, the card features 20 GB of GDDR6 memory and a 384-bit memory bus. XFX utilizes its massive 2.7-slot cooling profile (measuring 34.4 x 12.8 x 5.5 cm) to push...Read more

P
pcper.com
13/12/2022
XFX SPEEDSTER MERC 310 AMD Radeon RX 7900 XT Review

Performance and Specifications The XFX Speedster MERC 310 AMD Radeon RX 7900 XT Black Edition is a heavily factory-overclocked graphics card featuring a Game Clock of 2220 MHz and a Boost Clock of 2560 MHz, delivering roughly a 150 MHz increase over reference models. In benchmark testing, this extra speed yields a minor performance uplift of less than 4% over the stock AMD reference...Read more

H
hothardware.com
13/12/2022
XFX MERC 310 Radeon RX 7900 XT Review: Bigger, Badder RDNA 3

The XFX MERC 310 Radeon RX 7900 XT is a third-party graphics card based on AMD’s RDNA 3 architecture that pushes performance beyond reference specifications. It features an upgraded 13 digital PWM power delivery system and a robust cooling solution, which includes a nickel-plated copper vapor chamber, a massive heatsink array, and three 100mm axial fans enclosed in a cast aluminum...Read more

G
guru3d.com
13/12/2022
XFX MERC 310 Radeon RX 7900 XT review

The XFX MERC 310 Radeon RX 7900 XT is a premium, factory-overclocked graphics card featuring AMD’s RDNA3 chiplet architecture, running on the Navi 31 XT GPU with 10,752 shader processors and 20GB of GDDR6 memory on a 320-bit bus. Modeled after the previous RX 6000 THICC series, the card showcases a striking black and silver aesthetic, highlighted by a silver-themed backplate and a...Read more

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