GALAX GeForce RTX 5090 D Star Nox OC Review | 118 Data compared
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GALAX GeForce RTX 5090 D Star Nox OC Review | 118 Data compared

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  • Avg. price in UK: ~£2,540
  • Avg. price in US: ~$3,610
  • VRAM: 32 GB
  • Memory bus width: 512 bit
  • Thermal Design Power (TDP): 575 W

GALAX GeForce RTX 5090 D Star Nox OC review. Compare 118 technical specifications and user reviews to see how this product ranks in the Graphics cards category and whether it is worth buying.

9.2

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%

9.2

Technical Score

10.0%

?

User score

Exceptional
9.2

Technical Score

What it is: An assessment of technical performance for products in the Graphics cards category across these key areas: Performance, Memory, Platform & Features, Connectivity & Media, Power & Cooling, Design.

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

Score components:

44.0%

9.7

Performance

24.0%

9.7

Memory

12.0%

7.0

Power & Cooling

11.0%

10

Platform & Features

5.0%

5.4

Design

4.0%

10

Connectivity & Media

Exceptional
?

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%

?

User reviews

30.0%

?

Popularity

  • 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

  • No image
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Best prices in UK

    N/A~ £2,540

Best rankings

?

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

Verdict

The Galax GeForce RTX 5090 D Star Nox OC is an enthusiast-tier graphics card powered by the NVIDIA Blackwell architecture, featuring 21,760 CUDA cores and a boosted clock speed of 2,452 MHz. It is equipped with 32 GB of cutting-edge GDDR7 memory on a massive 512-bit bus, delivering a bandwidth of approximately 1,792 GB/s to handle intensive 4K gaming and AI workloads. Main pros include its immense VRAM capacity for professional creative tasks, a high-performance triple-axial fan cooling system with a customizable magnetic shroud design, and PCIe 5.0 support for future-proof connectivity. However, notable cons include its extreme 575W power consumption requiring at least a 1000W PSU, a large triple-slot physical footprint that may not fit in standard cases, and regional compute restrictions inherent to the 'D' series variant.

Technical Specifications of graphics card GALAX GeForce RTX 5090 D Star Nox OC

Technical Score

What it is: An assessment of technical performance for products in the Graphics cards category across these key areas: Performance, Memory, Platform & Features, Connectivity & Media, Power & Cooling, Design.

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

Score components:

44.0%

?

Performance

24.0%

?

Memory

12.0%

?

Power & Cooling

11.0%

?

Platform & Features

5.0%

?

Design

4.0%

?

Connectivity & Media

9.2
GALAX GeForce RTX 5090 D Star Nox OC has a technical score of 9.19 points, which is higher than that of 93% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
GALAX GeForce RTX 5090 D Star Nox OC has a popularity of 1 points, which is lower than 57.7% 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%

9.2

Overall score

40.0%

1.0

Price

6.7
GALAX GeForce RTX 5090 D Star Nox OC has a quality-to-price ratio of 6.7 points, which is lower than 68.1% 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

35,000 points
GALAX GeForce RTX 5090 D Star Nox OC scores 35,000 points in 3DMark Time Spy, which is higher than 94.1% of graphics cards and equal to 0.7% 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

36,720 points
GALAX GeForce RTX 5090 D Star Nox OC scores 36,720 points in 3DMark Port Royal, which is higher than 98.4% 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

41,290 points
GALAX GeForce RTX 5090 D Star Nox OC scores 41,290 points in PassMark G3D, which is higher than 99% of graphics cards.
PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

26,627 points
GALAX GeForce RTX 5090 D Star Nox OC scores 26,627 points in PassMark DirectCompute, which is higher than 91.3% of graphics cards and equal to 0.2% of graphics cards.
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

106.7 TFLOPS
GALAX GeForce RTX 5090 D Star Nox OC delivers 106.7 TFLOPS floating-point performance, which is higher than that of 97.9% of graphics cards and equal to that of 0.1% of graphics cards.
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VRAM
What it is: Total video memory available on the graphics card
When it matters: When you play at high settings, use texture mods, or work with large creative projects.

Importance: HIGH

32 GB
GALAX GeForce RTX 5090 D Star Nox OC has 32 GB of VRAM, which is more than 96.8% 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

GDDR6X
GALAX GeForce RTX 5090 D Star Nox OC uses GDDR6X memory, which is newer than on 56.7% of graphics cards and equal to 22.7% 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
GALAX GeForce RTX 5090 D Star Nox 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

1,792 GB/s
GALAX GeForce RTX 5090 D Star Nox OC reaches 1,792 GB/s memory bandwidth, which is higher than that of 97.9% of graphics cards and equal to that of 2.1% 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
GALAX GeForce RTX 5090 D Star Nox OC supports PCIe 5.0, which is newer than on 74.5% of graphics cards and equal to 25.6% 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
GALAX GeForce RTX 5090 D Star Nox OC uses x16 PCIe lanes, which is more than 23.4% of graphics cards and equal to 76.6% of graphics cards.
DirectX version
What it is: Highest supported DirectX API version
When it matters: When you play newer Windows games that depend on the latest graphics features.

Importance: LOW

12 Ultimate
GALAX GeForce RTX 5090 D Star Nox OC supports DirectX 12 Ultimate, which is more advanced than on 22.6% of graphics cards and equal to 77.4% 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
GALAX GeForce RTX 5090 D Star Nox OC supports Vulkan 1.4, which is more advanced than on 20.7% of graphics cards and equal to 79.3% 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
GALAX GeForce RTX 5090 D Star Nox OC supports OpenGL 4.6, which is more advanced than on 1.9% of graphics cards and equal to 98.1% 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
GALAX GeForce RTX 5090 D Star Nox OC supports up to 4 displays, which is more than 8.3% of graphics cards and equal to 88.9% 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
GALAX GeForce RTX 5090 D Star Nox OC supports a maximum digital resolution of 7680x4320, which is higher than that of 9% of graphics cards and equal to that of 91% 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
GALAX GeForce RTX 5090 D Star Nox OC offers 3 DisplayPort outputs, which is more than 21% of graphics cards and equal to 76.8% 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

2.1b
GALAX GeForce RTX 5090 D Star Nox OC supports DisplayPort 2.1b, which is more advanced than on 78.6% of graphics cards and equal to 21.4% 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

80 Gbps
GALAX GeForce RTX 5090 D Star Nox OC supports DisplayPort link rates up to 80 Gbps, which is faster than on 86.3% of graphics cards and equal to 13.5% of graphics cards.
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Thermal Design Power (TDP)
What it is: Typical power consumption under full load (TDP)
When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

Importance: MEDIUM

575 W
GALAX GeForce RTX 5090 D Star Nox OC has a TDP of 575 W, which is higher than that of 97.4% of graphics cards and equal to that of 2.5% 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
GALAX GeForce RTX 5090 D Star Nox OC draws 575 W under peak load, which is higher than 96.9% of graphics cards and equal to 1.7% 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
GALAX GeForce RTX 5090 D Star Nox OC recommends a 1,000 W PSU, which is higher than that of 95.8% of graphics cards and equal to that of 4% 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

575 W
GALAX GeForce RTX 5090 D Star Nox OC has a board power limit of 575 W, which is higher than that of 96.5% of graphics cards and equal to that of 1.4% 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

575 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

335 x 140 x 60 mm
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

348 mm
GALAX GeForce RTX 5090 D Star Nox OC is 348 mm long, which is longer than 94.6% of graphics cards and equal in length to 0.2% 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

137.8 mm
GALAX GeForce RTX 5090 D Star Nox OC is 137.8 mm tall, which is taller than 76.4% of graphics cards and equal in height to 0.4% 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 slot/s
GALAX GeForce RTX 5090 D Star Nox OC occupies 3 slot/s, which is wider than 69.8% of graphics cards and equal in width to 17.3% 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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GALAX GeForce RTX 5090 D Star Nox OC vs the average graphics card

  • 130 more compute units
    GALAX GeForce RTX 5090 D Star Nox 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

    GALAX GeForce RTX 5090 D Star Nox OC has more compute units than the average graphics card (170 vs 40). The average graphics card has 40 compute units.170 vs 40
  • 130 more ray tracing cores
    GALAX GeForce RTX 5090 D Star Nox OC has more ray tracing cores than the average graphics card (170 vs 40). The average graphics card has 40 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

    GALAX GeForce RTX 5090 D Star Nox OC has more ray tracing cores than the average graphics card (170 vs 40). The average graphics card has 40 ray tracing cores.170 vs 40
  • 4x higher memory bandwidth
    GALAX GeForce RTX 5090 D Star Nox OC has a higher memory bandwidth than the average graphics card (1,792 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

    GALAX GeForce RTX 5090 D Star Nox OC has a higher memory bandwidth than the average graphics card (1,792 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.1792 GB/s vs 448 GB/s
  • 20 GB more VRAM
    GALAX GeForce RTX 5090 D Star Nox 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

    GALAX GeForce RTX 5090 D Star Nox 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
  • 4.37x higher texture rate
    GALAX GeForce RTX 5090 D Star Nox OC has a higher texture rate than the average graphics card (1,667.4 GTexel/s vs 381.2 GTexel/s). The average graphics card has a texture rate of 381.2 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

    GALAX GeForce RTX 5090 D Star Nox OC has a higher texture rate than the average graphics card (1,667.4 GTexel/s vs 381.2 GTexel/s). The average graphics card has a texture rate of 381.2 GTexel/s.1667.4 GTexel/s vs 381.2 GTexel/s
  • 496 more TMUs
    GALAX GeForce RTX 5090 D Star Nox 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

    GALAX GeForce RTX 5090 D Star Nox OC has more TMUs than the average graphics card (680 vs 184). The average graphics card has 184 TMUs.680 vs 184
  • 112 more ROPs
    GALAX GeForce RTX 5090 D Star Nox 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

    GALAX GeForce RTX 5090 D Star Nox OC has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.176 vs 64
  • 536 more AI cores
    GALAX GeForce RTX 5090 D Star Nox OC has more AI cores than the average graphics card (680 vs 144). The average graphics card has 144 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

    GALAX GeForce RTX 5090 D Star Nox OC has more AI cores than the average graphics card (680 vs 144). The average graphics card has 144 AI cores.680 vs 144
  • 130 more compute units
    GALAX GeForce RTX 5090 D Star Nox OC has more compute units than the average graphics card (170 vs 40). The average graphics card has 40 compute units.
  • 130 more ray tracing cores
    GALAX GeForce RTX 5090 D Star Nox OC has more ray tracing cores than the average graphics card (170 vs 40). The average graphics card has 40 ray tracing cores.
  • 4.37x higher texture rate
    GALAX GeForce RTX 5090 D Star Nox OC has a higher texture rate than the average graphics card (1,667.4 GTexel/s vs 381.2 GTexel/s). The average graphics card has a texture rate of 381.2 GTexel/s.
  • 496 more TMUs
    GALAX GeForce RTX 5090 D Star Nox OC has more TMUs than the average graphics card (680 vs 184). The average graphics card has 184 TMUs.
  • 112 more ROPs
    GALAX GeForce RTX 5090 D Star Nox OC has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.
  • 536 more AI cores
    GALAX GeForce RTX 5090 D Star Nox OC has more AI cores than the average graphics card (680 vs 144). The average graphics card has 144 AI cores.
  • 2.64x higher pixel rate
    GALAX GeForce RTX 5090 D Star Nox OC has a higher pixel rate than the average graphics card (431.6 GPixel/s vs 163.2 GPixel/s). The average graphics card has a pixel rate of 163.2 GPixel/s.
  • 4.73x higher FP32 performance
    GALAX GeForce RTX 5090 D Star Nox OC has a higher FP32 performance than the average graphics card (106.7 TFLOPS vs 22.57 TFLOPS). The average graphics card has FP32 performance of 22.57 TFLOPS.
  • 4.01x higher ray tracing score
    GALAX GeForce RTX 5090 D Star Nox OC has a higher ray tracing score than the average graphics card (36,720 points vs 9,166 points). The average graphics card has a ray tracing score of 9,166 points.
  • 82.3% higher PassMark score
    GALAX GeForce RTX 5090 D Star Nox OC has a higher PassMark score than the average graphics card (41,290 points vs 22,653 points). The average graphics card has a PassMark score of 22,653 points.
  • 2.38x higher gaming score
    GALAX GeForce RTX 5090 D Star Nox OC has a higher gaming score than the average graphics card (35,000 points vs 14,678.5 points). The average graphics card has a gaming score of 14,678.5 points.
  • 3.48x higher FP64 performance
    GALAX GeForce RTX 5090 D Star Nox OC has a higher FP64 performance than the average graphics card (1.7 TFLOPS vs 0.48 TFLOPS). The average graphics card has FP64 performance of 0.48 TFLOPS.
  • 17,408 more FP32 units
    GALAX GeForce RTX 5090 D Star Nox OC has more FP32 units than the average graphics card (21,760 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 5.9x higher BF16 performance
    GALAX GeForce RTX 5090 D Star Nox OC has a higher BF16 performance than the average graphics card (209.5 TFLOPS vs 35.5 TFLOPS). The average graphics card has BF16 performance of 35.5 TFLOPS.
  • 4.64x higher compute throughput
    GALAX GeForce RTX 5090 D Star Nox OC has a higher compute throughput than the average graphics card (106.7 TFLOPS vs 22.98 TFLOPS). The average graphics card has compute throughput of 22.98 TFLOPS.
  • 5.1% higher base clock speed
    GALAX GeForce RTX 5090 D Star Nox OC has a higher base GPU clock than the average graphics card (2017 MHz vs 1920 MHz). The average graphics card has a base GPU clock of 1920 MHz.
  • 3.59x higher FP16 performance
    GALAX GeForce RTX 5090 D Star Nox OC has a higher FP16 performance than the average graphics card (106.7 TFLOPS vs 29.725 TFLOPS). The average graphics card has FP16 performance of 29.725 TFLOPS.
  • 2.21x higher compute score
    GALAX GeForce RTX 5090 D Star Nox OC has a higher compute score than the average graphics card (26,627 points vs 12,074 points). The average graphics card has a compute score of 12,074 points.
  • 4x higher memory bandwidth
    GALAX GeForce RTX 5090 D Star Nox OC has a higher memory bandwidth than the average graphics card (1,792 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 20 GB more VRAM
    GALAX GeForce RTX 5090 D Star Nox OC has more VRAM than the average graphics card (32 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 47.4% faster memory speed
    GALAX GeForce RTX 5090 D Star Nox 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
    GALAX GeForce RTX 5090 D Star Nox 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.
  • 4x larger L2 cache
    GALAX GeForce RTX 5090 D Star Nox OC has more L2 cache than the average graphics card (96 MB vs 24 MB). The average graphics card has 24 MB L2 cache.
  • 24x more Infinity Cache
    GALAX GeForce RTX 5090 D Star Nox OC has more Infinity Cache than the average graphics card (96 MB vs 4 MB). The average graphics card has 4 MB Infinity Cache.
  • Newer PCIe version
    GALAX GeForce RTX 5090 D Star Nox OC supports a newer PCIe version than the average graphics card (5 vs 4.0).
  • 2 newer
    GALAX GeForce RTX 5090 D Star Nox OC was released more recently than the average graphics card (2025 vs 2023).
  • 4.02x more transistors
    GALAX GeForce RTX 5090 D Star Nox OC has more transistors than the average graphics card (92,000 million vs 22,900 million). The average graphics card has 22,900 million transistors.
  • Newer encoder generation
    GALAX GeForce RTX 5090 D Star Nox OC uses a newer encoder generation than the average graphics card (9 vs 8). The average graphics card uses encoder generation 8.
  • Newer DisplayPort version
    GALAX GeForce RTX 5090 D Star Nox OC supports a newer DisplayPort version than the average graphics card (2.1b vs 1.4a).
  • Newer HDMI version
    GALAX GeForce RTX 5090 D Star Nox OC supports a newer HDMI version than the average graphics card (2.1b vs 2.1).
  • 4x higher DisplayPort bandwidth
    GALAX GeForce RTX 5090 D Star Nox OC has a higher DisplayPort bandwidth than the average graphics card (80 Gbps vs 20 Gbps). The average graphics card has DisplayPort bandwidth of 20 Gbps.

Total
Performance
Memory
Platform & Features
Connectivity & Media
  • 2.1% lower boost clock speed
    GALAX GeForce RTX 5090 D Star Nox OC has a lower boost GPU clock than the average graphics card (2,452 MHz vs 2,505 MHz). The average graphics card has a boost GPU clock of 2,505 MHz.
  • 2.54x larger GPU die
    GALAX GeForce RTX 5090 D Star Nox OC has a higher GPU die size than the average graphics card (750 mm² vs 295 mm²). The average graphics card has a GPU die size of 295 mm².
  • Older FSR version
    GALAX GeForce RTX 5090 D Star Nox OC supports an older FSR version than the average graphics card (3 vs 3.1).
  • Narrower decode codec support
    GALAX GeForce RTX 5090 D Star Nox OC supports narrower hardware decode codec support than the average graphics card (H.264/H.265/AV1/VP9 vs H.264/H.265/AV1/VP9/MPEG-2/VC-1).
  • 2.67x higher TDP
    GALAX GeForce RTX 5090 D Star Nox 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
    GALAX GeForce RTX 5090 D Star Nox 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.
  • 2.56x higher board power limit
    GALAX GeForce RTX 5090 D Star Nox OC has a higher board power limit than the average graphics card (575 W vs 225 W). The average graphics card has a board power limit of 225 W.
  • 10 °C lower thermal ceiling
    GALAX GeForce RTX 5090 D Star Nox OC has a lower thermal ceiling than the average graphics card (105 °C vs 95 °C). The average graphics card has a thermal ceiling of 95 °C.
  • 2.61x higher peak power draw
    GALAX GeForce RTX 5090 D Star Nox 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.
  • 13 °C higher idle temperature
    GALAX GeForce RTX 5090 D Star Nox OC has a higher idle temperature than the average graphics card (50 °C vs 37 °C). The average graphics card has an idle temperature of 37 °C.
  • 63 mm longer card length
    GALAX GeForce RTX 5090 D Star Nox OC is longer than the average graphics card (348 mm vs 285 mm). The average graphics card has a length of 285 mm.
  • 12.8 mm higher card profile
    GALAX GeForce RTX 5090 D Star Nox OC is taller than the average graphics card (137.8 mm vs 125 mm). The average graphics card has a height of 125 mm.
  • 0.5 slot/s wider design
    GALAX GeForce RTX 5090 D Star Nox OC occupies more slots than the average graphics card (3 slot/s vs 2.5 slot/s). The average graphics card occupies 2.5 slot/s.
  • 2.67x higher TDP
    GALAX GeForce RTX 5090 D Star Nox 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

    GALAX GeForce RTX 5090 D Star Nox 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
  • 53.8% higher PSU requirement
    GALAX GeForce RTX 5090 D Star Nox 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

    GALAX GeForce RTX 5090 D Star Nox 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
  • 63 mm longer card length
    GALAX GeForce RTX 5090 D Star Nox OC is longer than the average graphics card (348 mm vs 285 mm). The average graphics card has a length of 285 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

    GALAX GeForce RTX 5090 D Star Nox OC is longer than the average graphics card (348 mm vs 285 mm). The average graphics card has a length of 285 mm.348 mm vs 285 mm
  • 2.1% lower boost clock speed
    GALAX GeForce RTX 5090 D Star Nox OC has a lower boost GPU clock than the average graphics card (2,452 MHz vs 2,505 MHz). The average graphics card has a boost GPU clock of 2,505 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

    GALAX GeForce RTX 5090 D Star Nox OC has a lower boost GPU clock than the average graphics card (2,452 MHz vs 2,505 MHz). The average graphics card has a boost GPU clock of 2,505 MHz.2452 MHz vs 2505 MHz
  • 2.56x higher board power limit
    GALAX GeForce RTX 5090 D Star Nox OC has a higher board power limit than the average graphics card (575 W vs 225 W). The average graphics card has a board power limit of 225 W.
    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

    GALAX GeForce RTX 5090 D Star Nox OC has a higher board power limit than the average graphics card (575 W vs 225 W). The average graphics card has a board power limit of 225 W.575 W vs 225 W
  • 4.79x more expensive
    GALAX GeForce RTX 5090 D Star Nox OC is more expensive than the average graphics card (£2,540 vs £530).
    GALAX GeForce RTX 5090 D Star Nox OC is more expensive than the average graphics card (£2,540 vs £530).£2,540 vs £530
  • 12.8 mm higher card profile
    GALAX GeForce RTX 5090 D Star Nox OC is taller than the average graphics card (137.8 mm vs 125 mm). The average graphics card has a height of 125 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

    GALAX GeForce RTX 5090 D Star Nox OC is taller than the average graphics card (137.8 mm vs 125 mm). The average graphics card has a height of 125 mm.137.8 mm vs 125 mm
  • 0.5 slot/s wider design
    GALAX GeForce RTX 5090 D Star Nox OC occupies more slots than the average graphics card (3 slot/s vs 2.5 slot/s). The average graphics card occupies 2.5 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

    GALAX GeForce RTX 5090 D Star Nox OC occupies more slots than the average graphics card (3 slot/s vs 2.5 slot/s). The average graphics card occupies 2.5 slot/s.3 slot/s vs 2.5 slot/s
Total
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Third-party reviews

What customers like about GALAX GeForce RTX 5090 D Star Nox OC?

  • Unmatched raw performance in 4K and 8K gaming, surpassing the RTX 4090 by approximately 25-30%
  • Massive 32GB GDDR7 VRAM with nearly 1.8 TB/s bandwidth, ideal for high-resolution textures and AI workloads
  • DLSS 4 with 'Transformer' models provides near-native image quality and significant frame rate boosts
  • Exceptional performance for professional creative tasks like Blender, V-Ray, and 3D rendering
  • The 'Star Nox' design is noted for its sleek aesthetic and integrated RGB lighting
  • Future-proof features including PCIe 5.0 and DisplayPort 2.1 support

What customers dislike about GALAX GeForce RTX 5090 D Star Nox OC?

  • Extreme price point at or above $2,000, with AIB models often selling at significant premiums
  • Massive power draw with a 575W TDP, often requiring a 1000W+ power supply
  • The RTX 5090 'D' variant specifically has limited AI compute throughput due to export regulations compared to the standard 5090
  • High heat output can turn the PC case into a 'space heater,' requiring excellent ventilation
  • Significant CPU bottlenecking observed at 1080p and 1440p resolutions
  • Limited availability and stock shortages have led to inflated pricing from third-party resellers

Video reviews

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