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ASUS TUF GeForce RTX 4090 Review | 118 Data compared

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  • Avg. price in UK: ~£2,810
  • Avg. price in US: ~$2,760
  • VRAM: 24 GB
  • Memory bus width: 384 bit
  • Thermal Design Power (TDP): 450 W

ASUS TUF GeForce RTX 4090 review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.5

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%

8.4

Technical Score

10.0%

8.7

User score

Excellent
8.4

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%

8.9

Performance

24.0%

8.5

Memory

12.0%

7.1

Power & Cooling

11.0%

9.4

Platform & Features

5.0%

4.3

Design

4.0%

9.4

Connectivity & Media

Excellent
8.7

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%

7.9

Popularity

User score:
United Kingdom
amazon
4.5
(174)
United States
Amazon_logo.png
4.6
(34)

(Reviews last updated: June 2026)

Excellent
  • 9.3
    Gaming

    Score components:

    45.0%

    10

    Floating-point performance

    25.0%

    7.6

    VRAM

    20.0%

    10

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 9.1
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    7.6

    VRAM

    20.0%

    10

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 9.3
    1080p

    Score components:

    55.0%

    10

    Floating-point performance

    25.0%

    7.6

    VRAM

    10.0%

    10

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 9.2
    1440p

    Score components:

    50.0%

    10

    Floating-point performance

    30.0%

    7.6

    VRAM

    15.0%

    10

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 9.1
    4K

    Score components:

    40.0%

    10

    Floating-point performance

    35.0%

    7.6

    VRAM

    20.0%

    10

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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Best prices in UK

Best rankings

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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 ASUS TUF Gaming GeForce RTX 4090 is a flagship graphics card built on NVIDIA's Ada Lovelace architecture, featuring 16,384 CUDA cores and 24GB of high-speed GDDR6X memory on a 384-bit interface. It offers a boost clock of up to 2550 MHz in OC mode, delivering exceptional 4K and 8K gaming performance alongside advanced features like DLSS 3 frame generation and 3rd-gen Ray Tracing cores. Key pros include its rugged all-metal exoskeleton, military-grade 20K-rated capacitors for enhanced durability, and a highly efficient 3.65-slot cooling system with three Axial-tech fans that provide 23% more airflow. However, its massive dimensions (348.2 mm length) require a very large chassis, it has a high 450W TDP that necessitates at least an 850W power supply, and it is significantly more expensive than mid-range alternatives.

Technical Specifications of ASUS TUF GeForce RTX 4090

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%

8.9

Performance

24.0%

8.5

Memory

12.0%

7.1

Power & Cooling

11.0%

9.4

Platform & Features

5.0%

4.3

Design

4.0%

9.4

Connectivity & Media

8.4
ASUS TUF GeForce RTX 4090 has a technical score of 8.44 points, which is higher than that of 89.5% 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%

7.9

Popularity

User score:
United Kingdom
amazon
4.5
(174)
United States
Amazon_logo.png
4.6
(34)

(Reviews last updated: June 2026)

8.7
ASUS TUF GeForce RTX 4090 has a user score of 8.66 points, which is higher than that of 72.5% 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.
7.9
ASUS TUF GeForce RTX 4090 has a popularity of 7.9 points, which is higher than 72.1% 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%

8.5

Overall score

40.0%

1.0

Price

6.2
ASUS TUF GeForce RTX 4090 has a quality-to-price ratio of 6.2 points, which is lower than 75.6% 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

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PassMark (G3D) result
What it is: Overall GPU performance score in PassMark G3D benchmark
When it matters: When you need one broad score to sort cards into rough performance tiers.

Importance: LOW

39,312 points
ASUS TUF GeForce RTX 4090 scores 39312 points in PassMark G3D, which is higher than 100% 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

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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

82.58 TFLOPS
ASUS TUF GeForce RTX 4090 delivers 82.58 TFLOPS floating-point performance, which is higher than that of 93.9% of graphics cards and equal to that of 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

24 GB
ASUS TUF GeForce RTX 4090 has 24 GB of VRAM, which is more than 91.1% of graphics cards and equal to 5.6% 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

GDDR6X
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
ASUS TUF GeForce RTX 4090 uses GDDR6X memory, which is newer than on 55.8% of graphics cards and equal to 22.6% 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

384 bit
ASUS TUF GeForce RTX 4090 uses a 384 bit memory bus, which is wider than that of 89.3% of graphics cards and equal to that of 7.3% 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

1,008 GB/s
ASUS TUF GeForce RTX 4090 reaches 1008 GB/s memory bandwidth, which is higher than that of 93.7% of graphics cards and equal to that of 2.8% 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
ASUS TUF GeForce RTX 4090 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
ASUS TUF GeForce RTX 4090 uses x16 PCIe lanes, which is more than 31.5% of graphics cards and equal to 68.6% of graphics cards.
DirectX version
What it is: Highest supported DirectX API version
When it matters: When you play newer Windows games that depend on the latest graphics features.

Importance: LOW

12 Ultimate
ASUS TUF GeForce RTX 4090 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
ASUS TUF GeForce RTX 4090 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
ASUS TUF GeForce RTX 4090 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
ASUS TUF GeForce RTX 4090 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
ASUS TUF GeForce RTX 4090 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
ASUS TUF GeForce RTX 4090 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

1.4a
ASUS TUF GeForce RTX 4090 supports DisplayPort 1.4a, which is more advanced than on 22.7% of graphics cards and equal to 44.2% 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

450 W
ASUS TUF GeForce RTX 4090 has a TDP of 450 W, which is higher than that of 94% of graphics cards and equal to that of 3% of graphics cards.
Power consumption while under peak load
What it is: Peak power draw of the graphics card under maximum load.
When it matters: When transient-heavy gaming loads could stress your power supply.

Importance: LOW

450 W
ASUS TUF GeForce RTX 4090 draws 450 W under peak load, which is higher than 93.5% of graphics cards and equal to 2.7% 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

850 W
ASUS TUF GeForce RTX 4090 recommends a 850 W PSU, which is higher than that of 81.6% of graphics cards and equal to that of 13.4% 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

600 W
ASUS TUF GeForce RTX 4090 has a board power limit of 600 W, which is higher than that of 97.2% of graphics cards and equal to that of 2.6% 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

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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

348.2 mm
ASUS TUF GeForce RTX 4090 is 348.2 mm long, which is longer than 94.8% of graphics cards and equal in length to 0.3% of graphics cards.
Height
What it is: Physical height of the GPU card
When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

Importance: LOW

150 mm
ASUS TUF GeForce RTX 4090 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

3.65 slot/s
ASUS TUF GeForce RTX 4090 occupies 3.65 slot/s, which is wider than 97% of graphics cards and equal in width to 0.2% 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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ASUS TUF GeForce RTX 4090 vs the average graphics card

  • 88 more compute units
    ASUS TUF GeForce RTX 4090 has more compute units than the average graphics card (128 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

    ASUS TUF GeForce RTX 4090 has more compute units than the average graphics card (128 vs 40). The average graphics card has 40 compute units.128 vs 40
  • 80 more ray tracing cores
    ASUS TUF GeForce RTX 4090 has more ray tracing cores than the average graphics card (128 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

    ASUS TUF GeForce RTX 4090 has more ray tracing cores than the average graphics card (128 vs 48). The average graphics card has 48 ray tracing cores.128 vs 48
  • 2.25x higher memory bandwidth
    ASUS TUF GeForce RTX 4090 has a higher memory bandwidth than the average graphics card (1,008 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

    ASUS TUF GeForce RTX 4090 has a higher memory bandwidth than the average graphics card (1,008 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.1008 GB/s vs 448 GB/s
  • 12 GB more VRAM
    ASUS TUF GeForce RTX 4090 has more VRAM than the average graphics card (24 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

    ASUS TUF GeForce RTX 4090 has more VRAM than the average graphics card (24 GB vs 12 GB). The average graphics card has 12 GB VRAM.24 GB vs 12 GB
  • 112 more ROPs
    ASUS TUF GeForce RTX 4090 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

    ASUS TUF GeForce RTX 4090 has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.176 vs 64
  • 328 more TMUs
    ASUS TUF GeForce RTX 4090 has more TMUs than the average graphics card (512 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

    ASUS TUF GeForce RTX 4090 has more TMUs than the average graphics card (512 vs 184). The average graphics card has 184 TMUs.512 vs 184
  • 2.68x higher pixel rate
    ASUS TUF GeForce RTX 4090 has a higher pixel rate than the average graphics card (443.5 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

    ASUS TUF GeForce RTX 4090 has a higher pixel rate than the average graphics card (443.5 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.443.5 GPixel/s vs 165.2 GPixel/s
  • 320 more AI cores
    ASUS TUF GeForce RTX 4090 has more AI cores than the average graphics card (512 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

    ASUS TUF GeForce RTX 4090 has more AI cores than the average graphics card (512 vs 192). The average graphics card has 192 AI cores.512 vs 192
  • 88 more compute units
    ASUS TUF GeForce RTX 4090 has more compute units than the average graphics card (128 vs 40). The average graphics card has 40 compute units.
  • 80 more ray tracing cores
    ASUS TUF GeForce RTX 4090 has more ray tracing cores than the average graphics card (128 vs 48). The average graphics card has 48 ray tracing cores.
  • 112 more ROPs
    ASUS TUF GeForce RTX 4090 has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.
  • 328 more TMUs
    ASUS TUF GeForce RTX 4090 has more TMUs than the average graphics card (512 vs 184). The average graphics card has 184 TMUs.
  • 2.68x higher pixel rate
    ASUS TUF GeForce RTX 4090 has a higher pixel rate than the average graphics card (443.5 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 320 more AI cores
    ASUS TUF GeForce RTX 4090 has more AI cores than the average graphics card (512 vs 192). The average graphics card has 192 AI cores.
  • 3.61x higher FP32 performance
    ASUS TUF GeForce RTX 4090 has a higher FP32 performance than the average graphics card (82.6 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 3.45x higher PassMark score
    ASUS TUF GeForce RTX 4090 has a higher PassMark score than the average graphics card (39,312 points vs 11,411 points). The average graphics card has a PassMark score of 11,411 points.
  • 16.4% higher base clock speed
    ASUS TUF GeForce RTX 4090 has a higher base GPU clock than the average graphics card (2,235 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 12,032 more FP32 units
    ASUS TUF GeForce RTX 4090 has more FP32 units than the average graphics card (16,384 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 3.57x higher compute throughput
    ASUS TUF GeForce RTX 4090 has a higher compute throughput than the average graphics card (82.6 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 0.8% higher boost clock speed
    ASUS TUF GeForce RTX 4090 has a higher boost GPU clock than the average graphics card (2,520 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 2.8x higher FP16 performance
    ASUS TUF GeForce RTX 4090 has a higher FP16 performance than the average graphics card (82.6 TFLOPS vs 29.5 TFLOPS). The average graphics card has FP16 performance of 29.5 TFLOPS.
  • 2.77x higher FP64 performance
    ASUS TUF GeForce RTX 4090 has a higher FP64 performance than the average graphics card (1.3 TFLOPS vs 0.4651 TFLOPS). The average graphics card has FP64 performance of 0.4651 TFLOPS.
  • 2.25x higher memory bandwidth
    ASUS TUF GeForce RTX 4090 has a higher memory bandwidth than the average graphics card (1,008 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 12 GB more VRAM
    ASUS TUF GeForce RTX 4090 has more VRAM than the average graphics card (24 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • 128 bit wider memory bus
    ASUS TUF GeForce RTX 4090 has a wider memory bus than the average graphics card (384 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • Supports ECC memory
    ASUS TUF GeForce RTX 4090 supports ECC memory, the average graphics card does not.
  • 2.25x larger L2 cache
    ASUS TUF GeForce RTX 4090 has more L2 cache than the average graphics card (72 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 10.5% faster memory speed
    ASUS TUF GeForce RTX 4090 has a higher effective memory speed than the average graphics card (21,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 20% smaller process node
    ASUS TUF GeForce RTX 4090 has a lower process node than the average graphics card (4 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • 3.48x more transistors
    ASUS TUF GeForce RTX 4090 has more transistors than the average graphics card (76,300 million vs 21,900 million). The average graphics card has 21,900 million transistors.
  • Newer shader model
    ASUS TUF GeForce RTX 4090 supports a newer shader model than the average graphics card (6.9 vs 6.8).
  • Newer HDMI version
    ASUS TUF GeForce RTX 4090 supports a newer HDMI version than the average graphics card (2.1a vs 2.1).
  • Includes dual BIOS
    ASUS TUF GeForce RTX 4090 includes dual BIOS, the average graphics card does not.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 25% slower VRAM clock
    ASUS TUF GeForce RTX 4090 has a lower VRAM clock than the average graphics card (1,313 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 2x larger GPU die
    ASUS TUF GeForce RTX 4090 has a higher GPU die size than the average graphics card (609 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • 1 older
    ASUS TUF GeForce RTX 4090 was released earlier than the average graphics card (2,022 vs 2,023).
  • No 3D output
    ASUS TUF GeForce RTX 4090 does not support 3D output, the average graphics card does.
  • 2.09x higher TDP
    ASUS TUF GeForce RTX 4090 has a higher TDP than the average graphics card (450 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 30.8% higher PSU requirement
    ASUS TUF GeForce RTX 4090 has a higher PSU requirement than the average graphics card (850 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 2.73x higher board power limit
    ASUS TUF GeForce RTX 4090 has a higher board power limit than the average graphics card (600 W vs 220 W). The average graphics card has a board power limit of 220 W.
  • 12 °C lower thermal ceiling
    ASUS TUF GeForce RTX 4090 has a lower thermal ceiling than the average graphics card (105 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.
  • 63.6% higher idle power draw
    ASUS TUF GeForce RTX 4090 has a higher idle power draw than the average graphics card (18 W vs 11 W). The average graphics card has an idle power draw of 11 W.
  • 2.05x higher peak power draw
    ASUS TUF GeForce RTX 4090 has a higher peak power draw than the average graphics card (450 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 1.65 slot/s wider design
    ASUS TUF GeForce RTX 4090 occupies more slots than the average graphics card (3.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 62.83 mm longer card length
    ASUS TUF GeForce RTX 4090 is longer than the average graphics card (348.2 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 23 mm higher card profile
    ASUS TUF GeForce RTX 4090 is taller than the average graphics card (150 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 2.09x higher TDP
    ASUS TUF GeForce RTX 4090 has a higher TDP than the average graphics card (450 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

    ASUS TUF GeForce RTX 4090 has a higher TDP than the average graphics card (450 W vs 215 W). The average graphics card has a TDP of 215 W.450 W vs 215 W
  • 1.65 slot/s wider design
    ASUS TUF GeForce RTX 4090 occupies more slots than the average graphics card (3.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
    What it is: Number of PCIe slots occupied by the card
    When it matters: When you need room for another PCIe card or better airflow under the GPU.

    Importance: LOW

    ASUS TUF GeForce RTX 4090 occupies more slots than the average graphics card (3.7 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.3.65 slot/s vs 2 slot/s
  • 30.8% higher PSU requirement
    ASUS TUF GeForce RTX 4090 has a higher PSU requirement than the average graphics card (850 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

    ASUS TUF GeForce RTX 4090 has a higher PSU requirement than the average graphics card (850 W vs 650 W). The average graphics card has a PSU requirement of 650 W.850 W vs 650 W
  • 62.83 mm longer card length
    ASUS TUF GeForce RTX 4090 is longer than the average graphics card (348.2 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

    ASUS TUF GeForce RTX 4090 is longer than the average graphics card (348.2 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.348.2 mm vs 285.37 mm
  • 23 mm higher card profile
    ASUS TUF GeForce RTX 4090 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

    ASUS TUF GeForce RTX 4090 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
  • 2.73x higher board power limit
    ASUS TUF GeForce RTX 4090 has a higher board power limit than the average graphics card (600 W vs 220 W). The average graphics card has a board power limit of 220 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

    ASUS TUF GeForce RTX 4090 has a higher board power limit than the average graphics card (600 W vs 220 W). The average graphics card has a board power limit of 220 W.600 W vs 220 W
  • 25% slower VRAM clock
    ASUS TUF GeForce RTX 4090 has a lower VRAM clock than the average graphics card (1,313 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

    ASUS TUF GeForce RTX 4090 has a lower VRAM clock than the average graphics card (1,313 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.1313 MHz vs 1750 MHz
  • 5.3x more expensive
    ASUS TUF GeForce RTX 4090 is more expensive than the average graphics card (£2,810 vs £530).
    ASUS TUF GeForce RTX 4090 is more expensive than the average graphics card (£2,810 vs £530).£2,810 vs £530
Total
Overall
Memory
Platform & Features
Connectivity & Media
Power & Cooling
Design

Graphic comparison of ASUS TUF GeForce RTX 4090 and

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Third-party reviews

United Kingdom
amazon
4.5
174 Reviews
United States
Amazon_logo.png
4.6
34 Reviews

(Reviews last updated: June 2026)

What customers like about ASUS TUF GeForce RTX 4090?

  • Exceptional 4K and 8K performance, especially with DLSS 3 and Frame Generation
  • Premium build quality featuring a sturdy, all-aluminum shroud and die-cast metal exoskeleton
  • Highly effective cooling system that maintains low GPU temperatures (often sub-65°C) even under load
  • Whisper-quiet operation, with fans that can stop completely when temperatures are below 50°C
  • Subtle, professional aesthetics with minimalistic RGB lighting compared to flashier models
  • Dual HDMI 2.1 ports, which is beneficial for multiple high-resolution monitor setups

What customers dislike about ASUS TUF GeForce RTX 4090?

  • High frequency of reports regarding audible coil whine, particularly at high frame rates
  • Massive physical dimensions (over 348mm in length and 3.65 slots thick), which may not fit in many standard cases
  • High power requirements, typically necessitating an 850W+ power supply
  • Premium price point that some users find difficult to justify despite the high performance
  • GDDR6X memory temperatures can run slightly higher than some competitor models
  • The included anti-sag support bracket is described by some as poor quality or difficult to use

Expert reviews

S
servethehome.com
26/02/2023
ASUS TUF Gaming GeForce RTX 4090 OC Edition Review If you would like to compare the performance metrics of this specific card against other models, or...

The ServeTheHome review of the ASUS TUF Gaming GeForce RTX 4090 OC Edition highlights a powerful, premium card offering nearly identical performance to the more expensive ROG Strix model, featuring superior build quality and a slightly shorter length for better case compatibility. Key performance benefits include robust cooling and competitive rendering benchmarks in Blender,...Read more

K
kitguru.net
01/11/2022
ASUS RTX 4090 TUF Gaming OC Review

The KitGuru ASUS RTX 4090 TUF Gaming OC Review highlights this graphics card as an exceptionally well-built model that stands out for its premium design and material choices. A major pro is its heavy-duty, alluring aluminium shroud and die-cast metal exoskeleton, which provide supreme structural rigidity compared to competitors using plastic shrouds. Performance-wise, it features a...Read more

E
en.gamegpu.com
30/10/2022
ASUS TUF Gaming GeForce Graphics Card Review and Testing

The ASUS TUF Gaming GeForce RTX 4090 OC-Edition delivers unparalleled performance as a premier solution for 4K gaming, boasting an Ada Lovelace architecture, 16,384 stream processors, and 24 GB of GDDR6X memory. In real-world gaming tests like Cyberpunk 2077 and A Plague Tale Requiem, it easily maintains stable 60 FPS at maximum settings with ray tracing, even without relying on...Read more

W
windowscentral.com
12/10/2022
ASUS TUF Gaming GeForce RTX 4090 OC review

The ASUS TUF Gaming GeForce RTX 4090 OC Edition is a premium aftermarket graphics card built on NVIDIA’s Ada Lovelace architecture with 16,384 CUDA cores and 24GB of GDDR6X memory. Designed for longevity, it utilizes military-grade capacitors and features a monstrous, understated all-metal shroud that extends far past its compact PCB to house an efficient cooling array of three...Read more

G
guru3d.com
12/10/2022
ASUS TUF GeForce RTX 4090 Gaming review

The Guru3D review highlights the ASUS GeForce RTX 4090 TUF Gaming OC as an absolute gaming powerhouse built on NVIDIA's Ada Lovelace architecture. Boasting 16,384 Shader cores and 24 GB of GDDR6X memory, the card delivers incredible Ultra HD performance and nearly doubles the ray tracing and tensor core execution capabilities of the previous generation. Pros highlighted in the...Read more

T
tech.everyeye.it
12/12/2022
RTX 4090 TUF Recensione: la più potente, con denti ancora più affilati

The Asus TUF RTX 4090 OC Edition is a massive, high-performance graphics card that delivers exceptional power but targets a niche market due to its physical footprint. On the positive side, the card features robust, all-metal build quality and an oversized triple-fan cooling system that keeps temperatures exceptionally low—never exceeding 65 °C under load, and averaging a cool 44 °C...Read more

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