ASUS ROG Astral LC GeForce RTX 5090 OC Edition Review | 118 Data compared

double-arrow
  • Avg. price in UK: ~£3,390
  • Avg. price in US: ~$3,100
  • VRAM: 32 GB
  • Memory bus width: 512 bit
  • Thermal Design Power (TDP): 575 W

ASUS ROG Astral LC GeForce RTX 5090 OC Edition review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.9

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%

5.7

User score

Excellent
9.2

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%

9.7

Performance

24.0%

9.8

Memory

12.0%

6.9

Power & Cooling

11.0%

9.4

Platform & Features

5.0%

6.6

Design

4.0%

9.8

Connectivity & Media

Exceptional
5.7

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%

7.6

User reviews

30.0%

1.4

Popularity

User score:
United Kingdom
amazon
3.8
(3)
United States
Amazon_logo.png
3.8
(3)

(Reviews last updated: June 2026)

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

  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
  • asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition
asus-rog-astral-lc-geforce-rtx-5090-oc-edition

Best prices in UK

Verdict

The ASUS ROG Astral LC GeForce RTX 5090 OC Edition is a flagship hybrid-cooled powerhouse built on NVIDIA's Blackwell architecture, featuring 21,760 CUDA cores and 32GB of cutting-edge GDDR7 memory on a 512-bit bus. To manage its massive 575W+ power draw, it utilizes a premium 360mm radiator with magnetic daisy-chainable fans, a full-coverage copper cold plate, and 80-amp MOSFETs that push the factory overclock to a 2610 MHz boost clock in OC mode. Main pros include its unrivaled 4K ray-tracing performance, superior thermal efficiency that keeps the core in the low 60°C range under load, and exclusive per-pin power monitoring for enhanced safety. However, the card’s extreme price point, the need for significant case space to house the radiator, and potential board buzzing or noisy fans under heavy load serve as its primary drawbacks.

Technical Specifications of ASUS ROG Astral LC GeForce RTX 5090 OC Edition

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%

9.7

Performance

24.0%

9.8

Memory

12.0%

6.9

Power & Cooling

11.0%

9.4

Platform & Features

5.0%

6.6

Design

4.0%

9.8

Connectivity & Media

9.2
ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a technical score of 9.22 points, which is higher than that of 100% 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%

7.6

User reviews

30.0%

1.4

Popularity

User score:
United Kingdom
amazon
3.8
(3)
United States
Amazon_logo.png
3.8
(3)

(Reviews last updated: June 2026)

5.7
ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a user score of 5.74 points, which is lower than that of 98.7% 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.
1.4
ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a popularity of 1.4 points, which is lower than 53.8% 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%

8.9

Overall score

40.0%

1.0

Price

6.5
ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a quality-to-price ratio of 6.5 points, which is lower than 61.8% of products in this category.
3DMark Time Spy benchmark score
What it is: Benchmark result from 3DMark Time Spy, a synthetic DirectX 12 test often used as a quick gaming-performance reference.
When it matters: When you need a fast rough performance sort before digging into game-specific reviews and frame-rate data.

Importance: LOW

48,169 points
ASUS ROG Astral LC GeForce RTX 5090 OC Edition scores 48169 points in 3DMark Time Spy, which is higher than 98.3% 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

36,000 points
ASUS ROG Astral LC GeForce RTX 5090 OC Edition scores 36000 points in 3DMark Port Royal, which is higher than 98.3% 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

?
PassMark (DirectCompute) result
What it is: PassMark score for DirectCompute performance tests
When it matters: When compute workloads matter alongside gaming performance.

Importance: LOW

?
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

113.64 TFLOPS
ASUS ROG Astral LC GeForce RTX 5090 OC Edition delivers 113.64 TFLOPS floating-point performance, which is higher than that of 99% of graphics cards and equal to that of 0.2% of graphics cards.
Show more
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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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.
Show more
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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

x16
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

?
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 ROG Astral LC GeForce RTX 5090 OC Edition 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 ROG Astral LC GeForce RTX 5090 OC Edition supports OpenGL 4.6, which is more advanced than on 4.8% of graphics cards and equal to 95.2% of graphics cards.
Show more
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 ROG Astral LC GeForce RTX 5090 OC Edition 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

?
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 ROG Astral LC GeForce RTX 5090 OC Edition offers 3 DisplayPort outputs, which is more than 20.9% of graphics cards and equal to 77.3% of graphics cards.
DisplayPort version
What it is: Version of DisplayPort standard supported
When it matters: When your monitor setup depends on newer DisplayPort features for higher refresh rates, higher resolution, or better cable flexibility.

Importance: LOW

2.1b
ASUS ROG Astral LC GeForce RTX 5090 OC Edition supports DisplayPort 2.1b, which is more advanced than on 78.4% of graphics cards and equal to 21.6% 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

?
Show more
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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

?
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
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

600 W
ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

?
Show more
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

?
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

288.46 mm
ASUS ROG Astral LC GeForce RTX 5090 OC Edition is 288.46 mm long, which is longer than 51.2% of graphics cards and equal in length to 0.1% 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

153.7 mm
ASUS ROG Astral LC GeForce RTX 5090 OC Edition is 153.7 mm tall, which is taller than 97.6% of graphics cards and equal in height to 0.1% of graphics cards.
Slot width
What it is: Number of PCIe slots occupied by the card
When it matters: When you need room for another PCIe card or better airflow under the GPU.

Importance: LOW

2.5 slot/s
ASUS ROG Astral LC GeForce RTX 5090 OC Edition occupies 2.5 slot/s, which is wider than 53.2% of graphics cards and equal in width to 11.7% of graphics cards.
Weight
What it is: Total weight of the graphics card
When it matters: When sag, bracket support, or shipping stress matters in your build.

Importance: LOW

?
Show more

ASUS ROG Astral LC GeForce RTX 5090 OC Edition vs the average graphics card

  • 130 more compute units
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
  • 4.65x higher texture rate
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher texture rate than the average graphics card (1,754 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher texture rate than the average graphics card (1,754 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.1754 GTexel/s vs 376.8 GTexel/s
  • 112 more ROPs
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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 ROG Astral LC GeForce RTX 5090 OC Edition has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.176 vs 64
  • 496 more TMUs
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more TMUs than the average graphics card (680 vs 184). The average graphics card has 184 TMUs.680 vs 184
  • 2.75x higher pixel rate
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher pixel rate than the average graphics card (454.1 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 ROG Astral LC GeForce RTX 5090 OC Edition has a higher pixel rate than the average graphics card (454.1 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.454.1 GPixel/s vs 165.2 GPixel/s
  • 130 more compute units
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more ray tracing cores than the average graphics card (170 vs 48). The average graphics card has 48 ray tracing cores.
  • 4.65x higher texture rate
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher texture rate than the average graphics card (1,754 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 496 more TMUs
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more TMUs than the average graphics card (680 vs 184). The average graphics card has 184 TMUs.
  • 112 more ROPs
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more ROPs than the average graphics card (176 vs 64). The average graphics card has 64 ROPs.
  • 2.75x higher pixel rate
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher pixel rate than the average graphics card (454.1 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 488 more AI cores
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more AI cores than the average graphics card (680 vs 192). The average graphics card has 192 AI cores.
  • 4.91x higher FP32 performance
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher FP32 performance than the average graphics card (112.3 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 3.2% higher boost clock speed
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher boost GPU clock than the average graphics card (2,580 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 4.25x higher gaming score
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher gaming score than the average graphics card (48,169 points vs 11,337 points). The average graphics card has a gaming score of 11,337 points.
  • 3.62x higher ray tracing score
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher ray tracing score than the average graphics card (36,000 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more FP32 units than the average graphics card (21,760 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 7.19x higher INT8 performance
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher INT8 performance than the average graphics card (3,352 TOPS vs 466 TOPS). The average graphics card has INT8 performance of 466 TOPS.
  • 4.92x higher compute throughput
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a higher compute throughput than the average graphics card (113.6 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 5.1% higher base clock speed
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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.
  • 3x larger L2 cache
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more L2 cache than the average graphics card (96 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • Supports ECC memory
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition supports ECC memory, the average graphics card does not.
  • 50% more Infinity Cache
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more Infinity Cache than the average graphics card (96 MB vs 64 MB). The average graphics card has 64 MB Infinity Cache.
  • Newer GDDR version
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition uses a newer GDDR version than the average graphics card (GDDR7 vs GDDR6).
  • Newer PCIe version
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition supports a newer PCIe version than the average graphics card (5 vs 4.0).
  • 2 newer
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition was released more recently than the average graphics card (2,025 vs 2,023).
  • 4.21x more transistors
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition uses a newer encoder generation than the average graphics card (9 vs 8). The average graphics card uses encoder generation 8.
  • Newer shader model
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition supports a newer shader model than the average graphics card (6.9 vs 6.8).
  • Newer DisplayPort version
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition supports a newer DisplayPort version than the average graphics card (2.1b vs 1.4a).
  • Newer HDMI version
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition supports a newer HDMI version than the average graphics card (2.1b vs 2.1).
  • 1 more fans
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has more fans than the average graphics card (4 vs 3).
  • Includes dual BIOS
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition includes dual BIOS, the average graphics card does not.
  • Uses hybrid cooling
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition uses hybrid cooling, the average graphics card does not.
  • 2.47x larger GPU die
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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.
  • 2.73x higher board power limit
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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.
  • 26.7 mm higher card profile
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition is taller than the average graphics card (153.7 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 0.5 slot/s wider design
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition occupies more slots than the average graphics card (2.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 2.67x higher TDP
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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
  • 26.7 mm higher card profile
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition is taller than the average graphics card (153.7 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 ROG Astral LC GeForce RTX 5090 OC Edition is taller than the average graphics card (153.7 mm vs 127 mm). The average graphics card has a height of 127 mm.153.7 mm vs 127 mm
  • 0.5 slot/s wider design
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition occupies more slots than the average graphics card (2.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
    What it is: Number of PCIe slots occupied by the card
    When it matters: When you need room for another PCIe card or better airflow under the GPU.

    Importance: LOW

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition occupies more slots than the average graphics card (2.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.2.5 slot/s vs 2 slot/s
  • 2.73x higher board power limit
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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 ROG Astral LC GeForce RTX 5090 OC Edition 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
  • 6.4x more expensive
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition is more expensive than the average graphics card (£3,390 vs £530).
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition is more expensive than the average graphics card (£3,390 vs £530).£3,390 vs £530
  • 39.3% lower user score
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a lower user score than the average graphics card (5.74 vs 8.000).
    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.
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition has a lower user score than the average graphics card (5.74 vs 8.000).5.74 vs 8
  • 2.47x larger GPU die
    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

    ASUS ROG Astral LC GeForce RTX 5090 OC Edition 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

Graphic comparison of ASUS ROG Astral LC GeForce RTX 5090 OC Edition and

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
United States

(Reviews last updated: June 2026)

What customers like about ASUS ROG Astral LC GeForce RTX 5090 OC Edition?

  • Extreme 4K and 8K gaming performance, effortlessly handling ray tracing and path tracing with DLSS 4 support
  • Industry-leading thermal management with temperatures staying in the low-to-mid 60s°C under full load thanks to the 360mm AIO cooler
  • Power Detector+ feature provides valuable safety monitoring for individual pins on the 12VHPWR connector to prevent melting
  • Exceptional build quality using premium metal materials, reinforced PCB coating, and sophisticated 'Astral' design aesthetics
  • Quiet operation when utilizing the secondary 'Quiet' BIOS, making it one of the most silent high-end cards available

What customers dislike about ASUS ROG Astral LC GeForce RTX 5090 OC Edition?

  • Extremely high price point, often carrying a 30-70% premium over the standard MSRP of other RTX 5090 models
  • Massive physical footprint requires a large case that can accommodate both the triple-slot card and an additional 360mm radiator
  • High power requirements (nearly 600W heat output) necessitate a high-wattage PSU, typically 1000W or higher
  • ASUS software (GPU Tweak III and Armoury Crate) is reported by some users as being buggy or unreliable for controlling features
  • Stock fan curve can be loud under heavy load before manual adjustment, prioritizing cooling over acoustics

Expert reviews

H
hwcooling.net
24/03/2025

The Asus ROG Astral LC GeForce RTX 5090 OC Edition is an exceptionally powerful graphics card utilizing Nvidia's Blackwell 2.0 architecture, featuring 21,760 CUDA cores, a 512-bit bus, and 32GB of GDDR7 memory. Built specifically to tackle the massive 575W heat output of the flagship GB202 chip, this model stands out with its premium All-in-One (AiO) liquid cooling design, which...Read more

T
techpowerup.com
28/04/2025

The TechPowerUp review of the ASUS GeForce RTX 5090 Astral Liquid OC highlights the card as the fastest, coolest, and most premium flagship on the market, featuring 32 GB of GDDR7 memory and an AIO liquid cooler with a 360 mm radiator. Key strengths include exceptional thermal performance, an extra HDMI 2.1b port, and a quiet BIOS mode, though it requires ample case space. Reddit...Read more

O
overclock3d.net
17/02/2025

The ASUS ROG RTX 5090 Astral LC, reviewed by OC3D, is a premier Blackwell-architecture graphics card featuring an integrated 360mm AIO liquid cooler that delivers exceptional thermal efficiency, achieving low 57°C peak temperatures, and quiet operation. Key advantages include its premium all-metal construction, simplified cable management, and a compact GPU form factor, although it...Read more

C
computerbase.de
24. Januar 2025

The Asus ROG GeForce RTX 5090 Astral OC is a massive, top-tier custom graphics card that introduces a unique quad-fan cooling layout to handle its high power demands. Weighing nearly 3 kg and taking up 3.8 slots, this premium card features a shortened PCB that allows a sandwich configuration of two rear fans to blow air directly through the heatsink fin array. In terms of...Read more

T
tomshardware.fr
11/03/2026

The Asus ROG Astral RTX 5090 is a powerhouse graphic card built on Nvidia's Blackwell architecture, delivering exceptional gaming performance but at an extremely high cost. Launched on 6 January 2025, the card features 21,760 CUDA cores and 32GB of GDDR7 VRAM on a 512-bit bus, drawing up to 600W under peak loads. In benchmarks, it showcases staggering generational leaps,...Read more

P
profesionalreview.com
12/03/2025

Overview and Design The Asus ROG Astral LC RTX 5090 is a premium, high-performance graphics card built on the TSMC 4NP Blackwell architecture, featuring 21,760 CUDA cores and 32 GB of GDDR7 memory. The defining feature of this model is its massive 360 mm All-In-One liquid cooling system with a 40 mm thick radiator. This allows the GPU to achieve impressive temperature drops, running...Read more

T
tomshw.it
31/03/2025

The ASUS ROG RTX 5090 Astral is an elite, enthusiast-class graphics card that delivers outstanding performance but carries a steep premium price tag of around €3300 (approximately €1000 over the NVIDIA MSRP). Built on a massive 3.8-slot framework with a premium, all-metal body and space-inspired aesthetics, it features a unique Quad-Fan Force 4-fan cooling system, a specialized...Read more

N
nexthardware.com
18/02/2025

The Nexthardware review of the ASUS ROG Astral GeForce RTX 5090 OC highlights the card's exceptional component quality, MHz GPU MHz on the 32GB GDDR7 memory using ASUS GPU Tweak III. Despite NVIDIA's strict 600W power limit, the robust cooling system maintained stability through demanding 3DMark, Fire Strike, and Time Spy tests. Pros include superior build quality, high-quality...Read more

Video reviews

Compare ASUS ROG Astral LC GeForce RTX 5090 OC Edition with

VS
VS

Compare