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GIGABYTE GeForce RTX 5090 WINDFORCE OC Review | 118 Data compared

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  • Avg. price: ~£2,290
  • VRAM: 32 GB
  • Memory bus width: 512 bit
  • Thermal Design Power (TDP): 575 W

GIGABYTE GeForce RTX 5090 WINDFORCE OC review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.6

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%

8.7

Technical Score

10.0%

7.8

User score

Excellent
8.7

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%

9.2

Performance

24.0%

9.3

Memory

12.0%

7.1

Power & Cooling

11.0%

9.5

Platform & Features

5.0%

3.7

Design

4.0%

9.1

Connectivity & Media

Excellent
7.8

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%

9.0

User reviews

30.0%

5.0

Popularity

User score:
United Kingdom
amazon
4.4
(45)
amazon
4.8
(19)
United States
Amazon_logo.png
4.4
(46)
Amazon_logo.png
4.8
(19)

(Reviews last updated: June 2026)

Very good
  • 10
    Gaming

    Score components:

    45.0%

    10

    Floating-point performance

    25.0%

    10

    VRAM

    20.0%

    10

    Ray tracing cores / units

    10.0%

    10

    PCI Express (PCIe) version

  • 10
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    10

    VRAM

    20.0%

    10

    Floating-point performance

    15.0%

    10

    PCI Express (PCIe) version

  • 10
    1080p

    Score components:

    55.0%

    10

    Floating-point performance

    25.0%

    10

    VRAM

    10.0%

    10

    Ray tracing cores / units

    10.0%

    10

    PCI Express (PCIe) version

  • 10
    1440p

    Score components:

    50.0%

    10

    Floating-point performance

    30.0%

    10

    VRAM

    15.0%

    10

    Ray tracing cores / units

    5.0%

    10

    PCI Express (PCIe) version

  • 10
    4K

    Score components:

    40.0%

    10

    Floating-point performance

    35.0%

    10

    VRAM

    20.0%

    10

    Ray tracing cores / units

    5.0%

    10

    PCI Express (PCIe) version

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Best prices in UK

Best rankings

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

Verdict

The Gigabyte GeForce RTX 5090 Windforce OC is a flagship graphics card built on NVIDIA's Blackwell architecture, featuring 32GB of GDDR7 memory on a wide 512-bit bus with a massive 1.79 TB/s bandwidth. This factory-overclocked model reaches a boost clock of 2,467 MHz and utilizes a triple-fan Windforce cooling system equipped with Hawk fans, a large vapor chamber, and server-grade thermal gel to manage its high 575W TDP. Main pros include its unprecedented performance for 4K/8K gaming and AI workloads, a dual-BIOS switch for silent or performance modes, and a minimalist design without distracting RGB. However, its significant size (342mm length), high power requirements likely necessitating a PSU upgrade, and the premium pricing typical of top-tier enthusiast hardware are notable drawbacks.

Technical Specifications of GIGABYTE GeForce RTX 5090 WINDFORCE 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%

9.2

Performance

24.0%

9.3

Memory

12.0%

7.1

Power & Cooling

11.0%

9.5

Platform & Features

5.0%

3.7

Design

4.0%

9.1

Connectivity & Media

8.7
GIGABYTE GeForce RTX 5090 WINDFORCE OC has a technical score of 8.74 points, which is higher than that of 96.1% 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%

5.0

Popularity

User score:
United Kingdom
amazon
4.4
(45)
amazon
4.8
(19)
United States
Amazon_logo.png
4.4
(46)
Amazon_logo.png
4.8
(19)

(Reviews last updated: June 2026)

7.8
GIGABYTE GeForce RTX 5090 WINDFORCE OC has a user score of 7.82 points, which is lower than that of 78.9% 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.
5.0
GIGABYTE GeForce RTX 5090 WINDFORCE OC has a popularity of 5 points, which is higher than 61.7% 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%

8.6

Overall score

40.0%

1.0

Price

6.4
GIGABYTE GeForce RTX 5090 WINDFORCE OC has a quality-to-price ratio of 6.4 points, which is lower than 67% 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

50,574 points
GIGABYTE GeForce RTX 5090 WINDFORCE OC scores 50574 points in 3DMark Time Spy, which is higher than 100% 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

36,667 points
GIGABYTE GeForce RTX 5090 WINDFORCE OC scores 36667 points in 3DMark Port Royal, which is higher than 98.6% 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

107.41 TFLOPS
GIGABYTE GeForce RTX 5090 WINDFORCE OC delivers 107.41 TFLOPS floating-point performance, which is higher than that of 98.4% 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

32 GB
GIGABYTE GeForce RTX 5090 WINDFORCE OC has 32 GB of VRAM, which is more than 96.7% of graphics cards and equal to 3% 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

GDDR7
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

GDDR7
GIGABYTE GeForce RTX 5090 WINDFORCE OC uses GDDR7 memory, which is newer than on 78.4% of graphics cards and equal to 21.6% 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

512 bit
GIGABYTE GeForce RTX 5090 WINDFORCE OC uses a 512 bit memory bus, which is wider than that of 96.6% of graphics cards and equal to that of 2.8% 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

1,790 GB/s
GIGABYTE GeForce RTX 5090 WINDFORCE OC reaches 1790 GB/s memory bandwidth, which is higher than that of 97.3% of graphics cards and equal to that of 0.6% 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

5.0
GIGABYTE GeForce RTX 5090 WINDFORCE OC supports PCIe 5.0, which is newer than on 74.5% of graphics cards and equal to 25.5% 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

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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
GIGABYTE GeForce RTX 5090 WINDFORCE 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

1.4
GIGABYTE GeForce RTX 5090 WINDFORCE OC 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
GIGABYTE GeForce RTX 5090 WINDFORCE 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
GIGABYTE GeForce RTX 5090 WINDFORCE 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
GIGABYTE GeForce RTX 5090 WINDFORCE 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

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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

575 W
GIGABYTE GeForce RTX 5090 WINDFORCE OC has a TDP of 575 W, which is higher than that of 97.3% of graphics cards and equal to that of 2.6% 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

575 W
GIGABYTE GeForce RTX 5090 WINDFORCE OC draws 575 W under peak load, which is higher than 97.2% of graphics cards and equal to 1.9% 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

1,000 W
GIGABYTE GeForce RTX 5090 WINDFORCE OC recommends a 1000 W PSU, which is higher than that of 95.5% of graphics cards and equal to that of 4.3% 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

342 x 150 x 65 mm
GIGABYTE GeForce RTX 5090 WINDFORCE OC measures 342x150 x 65 mm, which is more compact than 84.1% of graphics cards and equal in size to 0.1% of graphics cards.
Length
What it is: Physical length of the GPU card
When it matters: When front radiators or drive cages leave only limited GPU clearance.

Importance: LOW

342 mm
GIGABYTE GeForce RTX 5090 WINDFORCE OC is 342 mm long, which is longer than 92.8% of graphics cards and equal in length to 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

150 mm
GIGABYTE GeForce RTX 5090 WINDFORCE OC is 150 mm tall, which is taller than 92.5% of graphics cards and equal in height to 2.7% 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

3.5 slot/s
GIGABYTE GeForce RTX 5090 WINDFORCE OC occupies 3.5 slot/s, which is wider than 89.8% of graphics cards and equal in width to 6.7% 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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GIGABYTE GeForce RTX 5090 WINDFORCE OC vs the average graphics card

  • 130 more compute units
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more compute units than the average graphics card (170 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more compute units than the average graphics card (170 vs 40). The average graphics card has 40 compute units.170 vs 40
  • 20 GB more VRAM
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more VRAM than the average graphics card (32 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more VRAM than the average graphics card (32 GB vs 12 GB). The average graphics card has 12 GB VRAM.32 GB vs 12 GB
  • 122 more ray tracing cores
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more ray tracing cores than the average graphics card (170 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more ray tracing cores than the average graphics card (170 vs 48). The average graphics card has 48 ray tracing cores.170 vs 48
  • 4x higher memory bandwidth
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher memory bandwidth than the average graphics card (1,790 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher memory bandwidth than the average graphics card (1,790 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.1790 GB/s vs 448 GB/s
  • 4.45x higher texture rate
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher texture rate than the average graphics card (1,678 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher texture rate than the average graphics card (1,678 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.1678 GTexel/s vs 376.8 GTexel/s
  • 112 more ROPs
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more ROPs than the average graphics card (176 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.176 vs 64
  • 496 more TMUs
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more TMUs than the average graphics card (680 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more TMUs than the average graphics card (680 vs 184). The average graphics card has 184 TMUs.680 vs 184
  • 488 more AI cores
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more AI cores than the average graphics card (680 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more AI cores than the average graphics card (680 vs 192). The average graphics card has 192 AI cores.680 vs 192
  • 130 more compute units
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more compute units than the average graphics card (170 vs 40). The average graphics card has 40 compute units.
  • 122 more ray tracing cores
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more ray tracing cores than the average graphics card (170 vs 48). The average graphics card has 48 ray tracing cores.
  • 4.45x higher texture rate
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher texture rate than the average graphics card (1,678 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 496 more TMUs
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more TMUs than the average graphics card (680 vs 184). The average graphics card has 184 TMUs.
  • 112 more ROPs
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.
  • 488 more AI cores
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more AI cores than the average graphics card (680 vs 192). The average graphics card has 192 AI cores.
  • 2.63x higher pixel rate
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher pixel rate than the average graphics card (434.2 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 4.46x higher gaming score
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher gaming score than the average graphics card (50,574 points vs 11,337 points). The average graphics card has a gaming score of 11,337 points.
  • 3.69x higher ray tracing score
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher ray tracing score than the average graphics card (36,667 points vs 9,938.5 points). The average graphics card has a ray tracing score of 9,938.5 points.
  • 17,408 more FP32 units
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more FP32 units than the average graphics card (21,760 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 3.64x higher FP16 performance
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher FP16 performance than the average graphics card (107.4 TFLOPS vs 29.5 TFLOPS). The average graphics card has FP16 performance of 29.5 TFLOPS.
  • 4.65x higher compute throughput
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher compute throughput than the average graphics card (107.4 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 5.1% higher base clock speed
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher base GPU clock than the average graphics card (2,017 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 20 GB more VRAM
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more VRAM than the average graphics card (32 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 4x higher memory bandwidth
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher memory bandwidth than the average graphics card (1,790 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 47.4% faster memory speed
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher effective memory speed than the average graphics card (28,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 256 bit wider memory bus
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a wider memory bus than the average graphics card (512 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • Newer GDDR version
    GIGABYTE GeForce RTX 5090 WINDFORCE OC uses a newer GDDR version than the average graphics card (GDDR7 vs GDDR6).
  • Newer PCIe version
    GIGABYTE GeForce RTX 5090 WINDFORCE OC supports a newer PCIe version than the average graphics card (5 vs 4.0).
  • 2 newer
    GIGABYTE GeForce RTX 5090 WINDFORCE OC was released more recently than the average graphics card (2,025 vs 2,023).
  • 4.21x more transistors
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has more transistors than the average graphics card (92,200 million vs 21,900 million). The average graphics card has 21,900 million transistors.
  • Newer encoder generation
    GIGABYTE GeForce RTX 5090 WINDFORCE OC uses a newer encoder generation than the average graphics card (9 vs 8). The average graphics card uses encoder generation 8.
  • Newer HDMI version
    GIGABYTE GeForce RTX 5090 WINDFORCE OC supports a newer HDMI version than the average graphics card (2.1b vs 2.1).
  • Includes dual BIOS
    GIGABYTE GeForce RTX 5090 WINDFORCE OC includes dual BIOS, the average graphics card does not.

Total
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 1.3% lower boost clock speed
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a lower boost GPU clock than the average graphics card (2,467 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 2.47x larger GPU die
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher GPU die size than the average graphics card (750 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • 2.67x higher TDP
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher TDP than the average graphics card (575 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 53.8% higher PSU requirement
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher PSU requirement than the average graphics card (1,000 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 2.61x higher peak power draw
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher peak power draw than the average graphics card (575 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 1.5 slot/s wider design
    GIGABYTE GeForce RTX 5090 WINDFORCE OC occupies more slots than the average graphics card (3.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 23 mm higher card profile
    GIGABYTE GeForce RTX 5090 WINDFORCE OC is taller than the average graphics card (150 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 56.63 mm longer card length
    GIGABYTE GeForce RTX 5090 WINDFORCE OC is longer than the average graphics card (342 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 2.67x higher TDP
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher TDP than the average graphics card (575 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher TDP than the average graphics card (575 W vs 215 W). The average graphics card has a TDP of 215 W.575 W vs 215 W
  • 1.5 slot/s wider design
    GIGABYTE GeForce RTX 5090 WINDFORCE OC occupies more slots than the average graphics card (3.5 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC occupies more slots than the average graphics card (3.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.3.5 slot/s vs 2 slot/s
  • 53.8% higher PSU requirement
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher PSU requirement than the average graphics card (1,000 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher PSU requirement than the average graphics card (1,000 W vs 650 W). The average graphics card has a PSU requirement of 650 W.1000 W vs 650 W
  • 56.63 mm longer card length
    GIGABYTE GeForce RTX 5090 WINDFORCE OC is longer than the average graphics card (342 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC is longer than the average graphics card (342 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.342 mm vs 285.37 mm
  • 23 mm higher card profile
    GIGABYTE GeForce RTX 5090 WINDFORCE OC is taller than the average graphics card (150 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC is taller than the average graphics card (150 mm vs 127 mm). The average graphics card has a height of 127 mm.150 mm vs 127 mm
  • 4.32x more expensive
    GIGABYTE GeForce RTX 5090 WINDFORCE OC is more expensive than the average graphics card (£2,290 vs £530).
    GIGABYTE GeForce RTX 5090 WINDFORCE OC is more expensive than the average graphics card (£2,290 vs £530).£2,290 vs £530
  • 1.3% lower boost clock speed
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a lower boost GPU clock than the average graphics card (2,467 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

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a lower boost GPU clock than the average graphics card (2,467 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.2467 MHz vs 2500 MHz
  • 2.47x larger GPU die
    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher GPU die size than the average graphics card (750 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
    What it is: Total die area of the GPU chip
    When it matters: When you are comparing how physically large different GPU chips are across generations and tiers.

    Importance: LOW

    GIGABYTE GeForce RTX 5090 WINDFORCE OC has a higher GPU die size than the average graphics card (750 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².750 mm² vs 304.25 mm²
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Third-party reviews

United Kingdom
amazon
4.4
45 Reviews
amazon
4.8
19 Reviews
United States
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4.4
46 Reviews
Amazon_logo.png
4.8
19 Reviews

(Reviews last updated: June 2026)

What customers like about GIGABYTE GeForce RTX 5090 WINDFORCE OC?

  • Top-tier performance for 4K and 8K gaming, as well as AI tasks.
  • Effective Windforce cooling system that keeps temps under 75°C under load.
  • Relatively quiet operation, especially when using the Silent BIOS mode.
  • Minimalist design without excessive RGB lighting, appealing to clean setup builds.
  • Stable boost clock speeds often exceeding factory specifications.
  • Includes a support bracket to prevent GPU sag due to its weight.

What customers dislike about GIGABYTE GeForce RTX 5090 WINDFORCE OC?

  • Massive physical size (3.5+ slot design) that may not fit in many standard PC cases.
  • High power draw, requiring a high-wattage (1000W+) power supply.
  • Use of thermal gel/putty instead of pads can lead to leakage issues if mounted vertically.
  • Audible coil whine reported by some users when drawing over 500 watts.
  • Plastic shroud and overall build can feel less premium compared to higher-end variants.
  • Expensive pricing that is often significantly above NVIDIA's base MSRP.

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