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PowerColor Hellhound Radeon RX 7900 GRE Review | 118 Data compared

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  • Avg. price in UK: ~£590
  • Avg. price in US: ~$580
  • VRAM: 16 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 260 W

PowerColor Hellhound Radeon RX 7900 GRE 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%

8.8

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%

6.7

Memory

12.0%

8.4

Power & Cooling

11.0%

9.2

Platform & Features

5.0%

6.0

Design

4.0%

9.5

Connectivity & Media

Very good
8.8

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%

9.2

User reviews

30.0%

8.0

Popularity

User score:
United Kingdom
amazon
4.6
(179)
United States
Amazon_logo.png
4.6
(126)

(Reviews last updated: June 2026)

Excellent
  • 8.3
    Gaming

    Score components:

    45.0%

    9.3

    Floating-point performance

    25.0%

    5.2

    VRAM

    20.0%

    9.4

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.2
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    5.2

    VRAM

    20.0%

    9.3

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 8.2
    1080p

    Score components:

    55.0%

    9.3

    Floating-point performance

    25.0%

    5.2

    VRAM

    10.0%

    9.4

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.1
    1440p

    Score components:

    50.0%

    9.3

    Floating-point performance

    30.0%

    5.2

    VRAM

    15.0%

    9.4

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 7.9
    4K

    Score components:

    40.0%

    9.3

    Floating-point performance

    35.0%

    5.2

    VRAM

    20.0%

    9.4

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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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 PowerColor Hellhound Radeon RX 7900 GRE is a high-performance graphics card built on the RDNA 3 architecture, featuring 5,120 stream processors and 16GB of GDDR6 memory on a 256-bit bus. This factory-overclocked model boasts a game clock of 2,013 MHz and a boost clock reaching 2,366 MHz, significantly outpacing reference specifications to deliver a smooth 1440p and entry-level 4K gaming experience. Main characteristics include a robust 14-layer PCB with a 9+2+1 phase VRM design, dual BIOS for switching between OC and silent modes, and a triple-fan cooling system that utilizes 5x6φ nickel-plated heatpipes. Pros include exceptionally low operating temperatures (around 60°C under load), whisper-quiet operation at roughly 25 dBA, and strong rasterization performance that often beats the RTX 4070 Super. Cons include lackluster ray-tracing performance compared to NVIDIA competitors, relatively high power draw peaking near 290W, and limited lighting options restricted to fixed blue or purple LEDs rather than full ARGB.

Technical Specifications of PowerColor Hellhound Radeon RX 7900 GRE

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%

6.7

Memory

12.0%

8.4

Power & Cooling

11.0%

9.2

Platform & Features

5.0%

6.0

Design

4.0%

9.5

Connectivity & Media

7.9
PowerColor Hellhound Radeon RX 7900 GRE 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%

9.2

User reviews

30.0%

8.0

Popularity

User score:
United Kingdom
amazon
4.6
(179)
United States
Amazon_logo.png
4.6
(126)

(Reviews last updated: June 2026)

8.8
PowerColor Hellhound Radeon RX 7900 GRE has a user score of 8.83 points, which is higher than that of 75.3% 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.
8.0
PowerColor Hellhound Radeon RX 7900 GRE has a popularity of 8 points, which is higher than 72.4% 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%

7.4

Price

7.8
PowerColor Hellhound Radeon RX 7900 GRE has a quality-to-price ratio of 7.8 points, which is higher than 98.8% 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

11,687 points
PowerColor Hellhound Radeon RX 7900 GRE scores 11687 points in 3DMark Port Royal, which is higher than 62% 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

48.46 TFLOPS
PowerColor Hellhound Radeon RX 7900 GRE delivers 48.46 TFLOPS floating-point performance, which is higher than that of 79.7% 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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

576 GB/s
PowerColor Hellhound Radeon RX 7900 GRE reaches 576 GB/s memory bandwidth, which is higher than that of 62.2% of graphics cards and equal to that of 0.8% 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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

1.3
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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
PowerColor Hellhound Radeon RX 7900 GRE 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

260 W
PowerColor Hellhound Radeon RX 7900 GRE has a TDP of 260 W, which is higher than that of 64.6% of graphics cards and equal to that of 0.7% 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

294 W
PowerColor Hellhound Radeon RX 7900 GRE draws 294 W under peak load, which is higher than 70.9% of graphics cards.
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
PowerColor Hellhound Radeon RX 7900 GRE 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

260 W
PowerColor Hellhound Radeon RX 7900 GRE has a board power limit of 260 W, which is higher than that of 60.7% of graphics cards and equal to that of 0.5% of graphics cards.
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

260 W
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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

322 mm
PowerColor Hellhound Radeon RX 7900 GRE is 322 mm long, which is longer than 74.6% of graphics cards and equal in length to 1.2% 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

134 mm
PowerColor Hellhound Radeon RX 7900 GRE is 134 mm tall, which is taller than 65% of graphics cards and equal in height to 1.7% 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

2.5 slot/s
PowerColor Hellhound Radeon RX 7900 GRE occupies 2.5 slot/s, which is wider than 53.2% of graphics cards and equal in width to 11.7% 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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PowerColor Hellhound Radeon RX 7900 GRE vs the average graphics card

  • 40 more compute units
    PowerColor Hellhound Radeon RX 7900 GRE has more compute units than the average graphics card (80 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

    PowerColor Hellhound Radeon RX 7900 GRE has more compute units than the average graphics card (80 vs 40). The average graphics card has 40 compute units.80 vs 40
  • 96 more ROPs
    PowerColor Hellhound Radeon RX 7900 GRE has more ROPs than the average graphics card (160 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

    PowerColor Hellhound Radeon RX 7900 GRE has more ROPs than the average graphics card (160 vs 64). The average graphics card has 64 ROPs.160 vs 64
  • 32 more ray tracing cores
    PowerColor Hellhound Radeon RX 7900 GRE has more ray tracing cores than the average graphics card (80 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

    PowerColor Hellhound Radeon RX 7900 GRE has more ray tracing cores than the average graphics card (80 vs 48). The average graphics card has 48 ray tracing cores.80 vs 48
  • 2.29x higher pixel rate
    PowerColor Hellhound Radeon RX 7900 GRE has a higher pixel rate than the average graphics card (378.6 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

    PowerColor Hellhound Radeon RX 7900 GRE has a higher pixel rate than the average graphics card (378.6 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.378.6 GPixel/s vs 165.2 GPixel/s
  • 136 more TMUs
    PowerColor Hellhound Radeon RX 7900 GRE has more TMUs than the average graphics card (320 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

    PowerColor Hellhound Radeon RX 7900 GRE has more TMUs than the average graphics card (320 vs 184). The average graphics card has 184 TMUs.320 vs 184
  • 2.01x higher texture rate
    PowerColor Hellhound Radeon RX 7900 GRE has a higher texture rate than the average graphics card (757.1 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

    PowerColor Hellhound Radeon RX 7900 GRE has a higher texture rate than the average graphics card (757.1 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.757.1 GTexel/s vs 376.8 GTexel/s
  • 4 GB more VRAM
    PowerColor Hellhound Radeon RX 7900 GRE 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

    PowerColor Hellhound Radeon RX 7900 GRE 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
  • 28.6% faster VRAM clock
    PowerColor Hellhound Radeon RX 7900 GRE has a higher VRAM clock than the average graphics card (2,250 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
    What it is: Speed at which the GPU memory operates
    When it matters: When you want more context on how quickly the card's VRAM can move data.

    Importance: LOW

    PowerColor Hellhound Radeon RX 7900 GRE has a higher VRAM clock than the average graphics card (2,250 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.2250 MHz vs 1750 MHz
  • 40 more compute units
    PowerColor Hellhound Radeon RX 7900 GRE has more compute units than the average graphics card (80 vs 40). The average graphics card has 40 compute units.
  • 96 more ROPs
    PowerColor Hellhound Radeon RX 7900 GRE has more ROPs than the average graphics card (160 vs 64). The average graphics card has 64 ROPs.
  • 32 more ray tracing cores
    PowerColor Hellhound Radeon RX 7900 GRE has more ray tracing cores than the average graphics card (80 vs 48). The average graphics card has 48 ray tracing cores.
  • 2.29x higher pixel rate
    PowerColor Hellhound Radeon RX 7900 GRE has a higher pixel rate than the average graphics card (378.6 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 136 more TMUs
    PowerColor Hellhound Radeon RX 7900 GRE has more TMUs than the average graphics card (320 vs 184). The average graphics card has 184 TMUs.
  • 2.01x higher texture rate
    PowerColor Hellhound Radeon RX 7900 GRE has a higher texture rate than the average graphics card (757.1 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 3.29x higher FP16 performance
    PowerColor Hellhound Radeon RX 7900 GRE has a higher FP16 performance than the average graphics card (96.9 TFLOPS vs 29.5 TFLOPS). The average graphics card has FP16 performance of 29.5 TFLOPS.
  • 3.26x higher FP64 performance
    PowerColor Hellhound Radeon RX 7900 GRE has a higher FP64 performance than the average graphics card (1.5 TFLOPS vs 0.4651 TFLOPS). The average graphics card has FP64 performance of 0.4651 TFLOPS.
  • 4 GB more VRAM
    PowerColor Hellhound Radeon RX 7900 GRE has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 28.6% faster VRAM clock
    PowerColor Hellhound Radeon RX 7900 GRE has a higher VRAM clock than the average graphics card (2,250 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • Supports ECC memory
    PowerColor Hellhound Radeon RX 7900 GRE supports ECC memory, the average graphics card does not.
  • 28.6% higher memory bandwidth
    PowerColor Hellhound Radeon RX 7900 GRE has a higher memory bandwidth than the average graphics card (576 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 2x larger L1 cache
    PowerColor Hellhound Radeon RX 7900 GRE has more L1 cache than the average graphics card (256 vs 128). The average graphics card has 128 L1 cache.
  • Newer DisplayPort version
    PowerColor Hellhound Radeon RX 7900 GRE supports a newer DisplayPort version than the average graphics card (2.1 vs 1.4a).
  • Includes dual BIOS
    PowerColor Hellhound Radeon RX 7900 GRE includes dual BIOS, the average graphics card does not.
  • 10 dB quieter under load
    PowerColor Hellhound Radeon RX 7900 GRE has a lower load noise level than the average graphics card (25 dB vs 35 dB). The average graphics card has a load noise level of 35 dB.
  • 6 °C lower idle temperature
    PowerColor Hellhound Radeon RX 7900 GRE has a lower idle temperature than the average graphics card (32 °C vs 38 °C). The average graphics card has an idle temperature of 38 °C.

Total
Overall
Performance
Memory
Connectivity & Media
Power & Cooling
  • No CUDA support
    PowerColor Hellhound Radeon RX 7900 GRE does not support CUDA, the average graphics card does.
  • 5.4% lower boost clock speed
    PowerColor Hellhound Radeon RX 7900 GRE has a lower boost GPU clock than the average graphics card (2,366 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 19% lower base clock speed
    PowerColor Hellhound Radeon RX 7900 GRE has a lower base GPU clock than the average graphics card (1,555 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 32 fewer AI cores
    PowerColor Hellhound Radeon RX 7900 GRE has fewer AI cores than the average graphics card (160 vs 192). The average graphics card has 192 AI cores.
  • 80.3% lower INT8 performance
    PowerColor Hellhound Radeon RX 7900 GRE has a lower INT8 performance than the average graphics card (92 TOPS vs 466 TOPS). The average graphics card has INT8 performance of 466 TOPS.
  • 81.3% smaller L2 cache
    PowerColor Hellhound Radeon RX 7900 GRE has fewer L2 cache than the average graphics card (6 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 5.3% slower memory speed
    PowerColor Hellhound Radeon RX 7900 GRE has a lower effective memory speed than the average graphics card (18,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • No DLSS support
    PowerColor Hellhound Radeon RX 7900 GRE does not support DLSS, the average graphics card does.
  • Older Vulkan version
    PowerColor Hellhound Radeon RX 7900 GRE supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
  • 99.7% fewer transistors
    PowerColor Hellhound Radeon RX 7900 GRE has fewer transistors than the average graphics card (57 million vs 21,900 million). The average graphics card has 21,900 million transistors.
  • 73.9% larger GPU die
    PowerColor Hellhound Radeon RX 7900 GRE 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.
  • Older OpenCL version
    PowerColor Hellhound Radeon RX 7900 GRE supports an older OpenCL version than the average graphics card (2.2 vs 3.0).
  • Older shader model
    PowerColor Hellhound Radeon RX 7900 GRE supports an older shader model than the average graphics card (6.7 vs 6.8).
  • 20.9% higher TDP
    PowerColor Hellhound Radeon RX 7900 GRE has a higher TDP than the average graphics card (260 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 15.4% higher PSU requirement
    PowerColor Hellhound Radeon RX 7900 GRE 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
    PowerColor Hellhound Radeon RX 7900 GRE 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.
  • 18.2% higher board power limit
    PowerColor Hellhound Radeon RX 7900 GRE has a higher board power limit than the average graphics card (260 W vs 220 W). The average graphics card has a board power limit of 220 W.
  • 0.5 slot/s wider design
    PowerColor Hellhound Radeon RX 7900 GRE occupies more slots than the average graphics card (2.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 36.63 mm longer card length
    PowerColor Hellhound Radeon RX 7900 GRE is longer than the average graphics card (322 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 7 mm higher card profile
    PowerColor Hellhound Radeon RX 7900 GRE is taller than the average graphics card (134 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • No CUDA support
    PowerColor Hellhound Radeon RX 7900 GRE does not support CUDA, the average graphics card does.
    What it is: Supports CUDA parallel computing platform
    When it matters: When your apps or AI tools specifically depend on the CUDA software stack.

    Importance: MEDIUM

    PowerColor Hellhound Radeon RX 7900 GRE does not support CUDA, the average graphics card does.
  • No DLSS support
    PowerColor Hellhound Radeon RX 7900 GRE 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

    PowerColor Hellhound Radeon RX 7900 GRE does not support DLSS, the average graphics card does.
  • 5.4% lower boost clock speed
    PowerColor Hellhound Radeon RX 7900 GRE has a lower boost GPU clock than the average graphics card (2,366 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

    PowerColor Hellhound Radeon RX 7900 GRE has a lower boost GPU clock than the average graphics card (2,366 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.2366 MHz vs 2500 MHz
  • 19% lower base clock speed
    PowerColor Hellhound Radeon RX 7900 GRE has a lower base GPU clock than the average graphics card (1,555 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

    PowerColor Hellhound Radeon RX 7900 GRE has a lower base GPU clock than the average graphics card (1,555 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.1555 MHz vs 1920 MHz
  • 0.5 slot/s wider design
    PowerColor Hellhound Radeon RX 7900 GRE occupies more slots than the average graphics card (2.5 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

    PowerColor Hellhound Radeon RX 7900 GRE occupies more slots than the average graphics card (2.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.2.5 slot/s vs 2 slot/s
  • 36.63 mm longer card length
    PowerColor Hellhound Radeon RX 7900 GRE is longer than the average graphics card (322 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

    PowerColor Hellhound Radeon RX 7900 GRE is longer than the average graphics card (322 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.322 mm vs 285.37 mm
  • 20.9% higher TDP
    PowerColor Hellhound Radeon RX 7900 GRE has a higher TDP than the average graphics card (260 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

    PowerColor Hellhound Radeon RX 7900 GRE has a higher TDP than the average graphics card (260 W vs 215 W). The average graphics card has a TDP of 215 W.260 W vs 215 W
  • 81.3% smaller L2 cache
    PowerColor Hellhound Radeon RX 7900 GRE 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

    PowerColor Hellhound Radeon RX 7900 GRE 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
Performance
Memory
Platform & Features
Power & Cooling
Design

Graphic comparison of PowerColor Hellhound Radeon RX 7900 GRE and

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Third-party reviews

United Kingdom
amazon
4.6
179 Reviews
United States
Amazon_logo.png
4.6
126 Reviews

(Reviews last updated: June 2026)

What customers like about PowerColor Hellhound Radeon RX 7900 GRE?

  • Extremely quiet operation, often described as 'whisper-quiet' or virtually inaudible even under heavy load
  • Excellent thermal management with temperatures frequently staying below 60°C during gaming
  • Strong rasterisation performance, often outperforming the NVIDIA RTX 4070 and 4070 Super in standard gaming
  • Generous 16GB VRAM provides more future-proofing compared to 12GB competitors
  • Dual BIOS feature allows users to easily switch between performance and silent modes
  • High-quality 14-layer PCB design with a robust VRM for stable power delivery
  • Significant overclocking headroom, with some users achieving up to a 15% real-world performance gain
  • Physically solid build with a metal-reinforced backplate and triple-fan cooling solution

What customers dislike about PowerColor Hellhound Radeon RX 7900 GRE?

  • Lagging ray tracing performance compared to NVIDIA's RTX 40 series cards
  • Higher power consumption (near 300W under load) compared to the more efficient RTX 4070 series
  • Limited RGB options; the LED switch only toggles between blue and amethyst purple or turns them off
  • Memory overclocking was initially limited by drivers (though largely fixed in recent updates)
  • FSR upscaling generally trails behind NVIDIA's DLSS in terms of image quality and frame generation stability
  • Higher idle power consumption reported during multi-monitor or high-refresh rate video playback
  • Large physical footprint (2.5 to 3 slots) may not fit in more compact PC cases

Expert reviews

T
techpowerup.com
22/03/2024
PowerColor Radeon RX 7900 GRE Hellhound Review - TechPowerUp

The PowerColor Radeon RX 7900 GRE Hellhound is a capable 1440p and entry-level 4K gaming card featuring a 16 GB GDDR6 memory configuration and a factory overclocked 1972 MHz game clock. TechPowerUp praises the card for its exceptionally quiet, high-performance triple-fan cooler, robust VRM, and a dual-BIOS switch for silent or performance operation. However, the card faces stiff...Read more

T
thefpsreview.com
04/03/2024
PowerColor Hellhound Radeon RX 7900 GRE GPU Review

The PowerColor Hellhound Radeon RX 7900 GRE is a highly capable mid-range graphics card that sits comfortably between the RX 7800 XT and RX 7900 XT in terms of both performance and price value. Based on a cut-down version of the Navi 31 GPU architecture, it features 16GB of GDDR6 VRAM on a 256-bit bus, making it fully prepared for modern high-VRAM gaming demands. In terms of...Read more

L
lanoc.org
26/02/2024
PowerColor Hellhound RX 7900 GRE - Overall and Final Verdict

The PowerColor Hellhound RX 7900 GRE review by LanOC Reviews highlights the card as a clean, simple, and visually understated GPU that effectively fills the gap in AMD's lineup between the 7800 XT and 7900 XT. It features a flat fan shroud with subtle chrome accents and clear, illuminated fans, delivering excellent 1440p and solid mid-range 4K gaming performance. In terms of value,...Read more

U
uk.pcmag.com
26/02/2024
PowerColor Hellhound AMD Radeon RX 7900 GRE

The PowerColor Hellhound AMD Radeon RX 7900 GRE is a highly competitive, budget-friendly graphics card priced at $549, designed to disrupt the mid-range market by targeting Nvidia's RTX 4070 and RTX 4070 Super. Built on a chiplet design derived from the higher-end RX 7900 XTX, this card features 5,120 streaming processors and 16GB of GDDR6 memory on a 256-bit interface. In standard...Read more

T
techradar.com
27/02/2024
AMD Radeon RX 7900 GREGo to product viewer dialogue for this item.: AMD’s China-only card goes global, and Nvidia should be worried Would you like to...

The AMD Radeon RX 7900 GRE has transitioned from a China-exclusive to a global release, disrupting the midrange market at an MSRP of $549. Positioned as a direct competitor to Nvidia's RTX 4070 on price, this GPU serves as an excellent entry-level 4K gaming card due to its robust 16GB VRAM and large 256-bit memory bus. In rasterization-heavy tasks and general gaming benchmarks at...Read more

X
xda-developers.com
26/02/2024
PowerColor Hellhound Radeon RX 7900 GRE review

The PowerColor Hellhound Radeon RX 7900 GRE is a capable graphics card built on AMD’s RDNA 3 architecture, positioning itself awkwardly between the RX 7800 XT and the more powerful RX 7900 XT. Originally a Chinese market exclusive, its global launch features a reduced MSRP of $549, aiming to bridge the performance gap by utilising a physically shrunk Navi 31 die with 80 compute...Read more

L
lanoc.org
26/02/2024
PowerColor Hellhound RX 7900 GRE

The PowerColor Hellhound RX 7900 GRE Review by LanOC Reviews evaluates AMD's global rollout of the "Golden Rabbit Edition" GPU, designed to bridge the substantial performance and price gap between the RX 7800 XT and the RX 7900 XT. Built on the binned Navi 31 RDNA 3 architecture, the card features 5,120 stream processors and 16GB of GDDR6 memory on a 256-bit bus, matching the memory...Read more

K
kitguru.net
27/05/2024
PowerColor RX 7900 GRE Hellhound Review - KitGuru KitGuru

The KitGuru review by Dominic Moass evaluates the PowerColor RX 7900 GRE Hellhound, a custom graphics card using a significantly cut-down Navi 31 die built on TSMC’s 5nm node. Equipped with 80 Compute Units, 5120 stream processors, and 16GB of GDDR6 memory operating over a 256-bit interface, the card features a factory overclock that elevates its boost clock up to 2366MHz. In terms...Read more

P
pcmag.com
26/02/2024
PowerColor Hellhound AMD Radeon RX 7900 GRE Review

The PowerColor Hellhound AMD Radeon RX 7900 GRE is positioned as a highly competitive, budget-friendly 1440p to entry-level 4K graphics card with a $549 MSRP. Key advantages include superior raw rasterization performance for the price, efficient cooling, and a quiet design compared to the RX 7800 XT and older Nvidia cards. However, the card faces limitations with lackluster...Read more

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