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ASUS ROG Astral GeForce RTX 5080 OC Edition Review | 118 Data compared

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  • Avg. price in UK: ~£1,390
  • Avg. price in US: ~$1,870
  • VRAM: 16 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 360 W

ASUS ROG Astral GeForce RTX 5080 OC Edition review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.7

Overall score

What it is: An overall evaluation of the graphics card's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best graphics cards on the market.

Score components:

90.0%

8.7

Technical Score

10.0%

8.7

User score

Excellent
8.7

Technical Score

What it is: An assessment of the graphics card's technical performance, covering key areas such as gaming and rendering performance, ray tracing, memory configuration, power efficiency, cooling, connectivity, features, and build quality.

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

Score components:

44.0%

9.5

Performance

24.0%

8.1

Memory

12.0%

7.5

Power & Cooling

11.0%

9.9

Platform & Features

5.0%

4.3

Design

4.0%

9.7

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%

8.9

User reviews

30.0%

8.5

Popularity

User score:
United Kingdom
amazon
4.4
(148)
amazon
4.5
(52)
United States
Amazon_logo.png
4.4
(153)
Amazon_logo.png
4.5
(53)

(Reviews last updated: June 2026)

Excellent
  • 8.8
    Gaming

    Score components:

    45.0%

    10

    Floating-point performance

    25.0%

    5.2

    VRAM

    20.0%

    10

    Ray tracing cores / units

    10.0%

    10

    PCI Express (PCIe) version

  • 8.6
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    5.2

    VRAM

    20.0%

    10

    Floating-point performance

    15.0%

    10

    PCI Express (PCIe) version

  • 8.8
    1080p

    Score components:

    55.0%

    10

    Floating-point performance

    25.0%

    5.2

    VRAM

    10.0%

    10

    Ray tracing cores / units

    10.0%

    10

    PCI Express (PCIe) version

  • 8.6
    1440p

    Score components:

    50.0%

    10

    Floating-point performance

    30.0%

    5.2

    VRAM

    15.0%

    10

    Ray tracing cores / units

    5.0%

    10

    PCI Express (PCIe) version

  • 8.3
    4K

    Score components:

    40.0%

    10

    Floating-point performance

    35.0%

    5.2

    VRAM

    20.0%

    10

    Ray tracing cores / units

    5.0%

    10

    PCI Express (PCIe) version

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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 ROG Astral GeForce RTX 5080 OC Edition is a premium flagship graphics card featuring the NVIDIA Blackwell architecture with 10,752 CUDA cores and 16GB of high-speed GDDR7 memory on a 256-bit bus. This factory-overclocked beast reaches boost clock speeds up to 2,790 MHz and utilizes a massive 3.8-slot, quad-fan 'Quad-Fan Force' cooling system integrated with a patented vapor chamber and phase-change thermal pads for exceptional thermal management. Its main pros include elite 4K performance, advanced DLSS 4 support, and a robust die-cast metal frame with a 12VHPWR Power Detector+ safety feature; however, its primary cons are its extremely large physical footprint, premium price point, and increased power consumption compared to reference models.

Technical Specifications of ASUS ROG Astral GeForce RTX 5080 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%

9.5

Performance

24.0%

8.1

Memory

12.0%

7.5

Power & Cooling

11.0%

9.9

Platform & Features

5.0%

4.3

Design

4.0%

9.7

Connectivity & Media

8.7
ASUS ROG Astral GeForce RTX 5080 OC Edition has a technical score of 8.69 points, which is higher than that of 95% 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%

8.9

User reviews

30.0%

8.5

Popularity

User score:
United Kingdom
amazon
4.4
(148)
amazon
4.5
(52)
United States
Amazon_logo.png
4.4
(153)
Amazon_logo.png
4.5
(53)

(Reviews last updated: June 2026)

8.7
ASUS ROG Astral GeForce RTX 5080 OC Edition has a user score of 8.75 points, which is higher than that of 74.2% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the graphics card.
When it matters: When you prefer a graphics card that has already been chosen and reviewed by many other users.
8.5
ASUS ROG Astral GeForce RTX 5080 OC Edition has a popularity of 8.5 points, which is higher than 74% 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%

8.7

Overall score

40.0%

3.2

Price

7.0
ASUS ROG Astral GeForce RTX 5080 OC Edition has a quality-to-price ratio of 7 points, which is higher than 61% 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

23,599 points
ASUS ROG Astral GeForce RTX 5080 OC Edition scores 23599 points in 3DMark Port Royal, which is higher than 90.2% of graphics cards.
PassMark (G3D) result
What it is: Overall GPU performance score in PassMark G3D benchmark
When it matters: When you need one broad score to sort cards into rough performance tiers.

Importance: LOW

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

Importance: LOW

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Floating-point performance
What it is: Theoretical floating-point compute performance of the GPU.
When it matters: When rendering, AI, or heavy compute work needs strong single-precision throughput.

Importance: LOW

59.35 TFLOPS
ASUS ROG Astral GeForce RTX 5080 OC Edition delivers 59.35 TFLOPS floating-point performance, which is higher than that of 92.2% of graphics cards and equal to that of 0.2% of graphics cards.
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VRAM
What it is: Total video memory available on the graphics card
When it matters: When you play at high settings, use texture mods, or work with large creative projects.

Importance: HIGH

16 GB
ASUS ROG Astral GeForce RTX 5080 OC Edition has 16 GB of VRAM, which is more than 61.4% of graphics cards and equal to 28.7% of graphics cards.
Memory type
What it is: Type of graphics memory used (GDDR6, HBM2e, etc.)
When it matters: When memory technology is part of the buying decision because it affects bandwidth class, power use, and product positioning.

Importance: LOW

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 GeForce RTX 5080 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

256 bit
ASUS ROG Astral GeForce RTX 5080 OC Edition uses a 256 bit memory bus, which is wider than that of 49.5% of graphics cards and equal to that of 36.1% of graphics cards.
Maximum memory bandwidth
What it is: Maximum data transfer rate between GPU and its memory
When it matters: When 4K gaming, ray tracing, or creator work can choke a slower memory subsystem.

Importance: HIGH

960 GB/s
ASUS ROG Astral GeForce RTX 5080 OC Edition reaches 960 GB/s memory bandwidth, which is higher than that of 87.9% of graphics cards and equal to that of 5.8% 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

5.0
ASUS ROG Astral GeForce RTX 5080 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 GeForce RTX 5080 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

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Vulkan version
What it is: Highest supported Vulkan API version
When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

Importance: LOW

1.4
ASUS ROG Astral GeForce RTX 5080 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 GeForce RTX 5080 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.
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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 ROG Astral GeForce RTX 5080 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

7680x4320
ASUS ROG Astral GeForce RTX 5080 OC Edition 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 ROG Astral GeForce RTX 5080 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

2.1
ASUS ROG Astral GeForce RTX 5080 OC Edition supports DisplayPort 2.1, which is more advanced than on 67.8% of graphics cards and equal to 7.8% of graphics cards.
DisplayPort link rates
What it is: Supported data link rates for DisplayPort connections
When it matters: When you are pushing high resolution and refresh rate over DisplayPort.

Importance: LOW

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Thermal Design Power (TDP)
What it is: Typical power consumption under full load (TDP)
When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

Importance: MEDIUM

360 W
ASUS ROG Astral GeForce RTX 5080 OC Edition has a TDP of 360 W, which is higher than that of 88.8% of graphics cards and equal to that of 4.3% 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

400 W
ASUS ROG Astral GeForce RTX 5080 OC Edition draws 400 W under peak load, which is higher than 92.4% of graphics cards and equal to 0.7% 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 ROG Astral GeForce RTX 5080 OC Edition 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

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PCIe power spec
What it is: PCIe power delivery specification followed
When it matters: When you are checking whether the slot and external cables match the card's intended power-delivery standard.

Importance: LOW

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Size
What it is: Physical size of the GPU card
When it matters: When you need the card to fit a compact case without blocking nearby hardware.

Importance: LOW

357.6 x 149.3 x 76 mm
ASUS ROG Astral GeForce RTX 5080 OC Edition measures 357.6x149.3 x 76 mm, which is more compact than 82.1% of graphics cards and equal in size to 0.1% of graphics cards.
Length
What it is: Physical length of the GPU card
When it matters: When front radiators or drive cages leave only limited GPU clearance.

Importance: LOW

357.6 mm
ASUS ROG Astral GeForce RTX 5080 OC Edition is 357.6 mm long, which is longer than 97.3% of graphics cards and equal in length to 1% of graphics cards.
Height
What it is: Physical height of the GPU card
When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

Importance: LOW

149.3 mm
ASUS ROG Astral GeForce RTX 5080 OC Edition is 149.3 mm tall, which is taller than 90.8% of graphics cards and equal in height to 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

3.8 slot/s
ASUS ROG Astral GeForce RTX 5080 OC Edition occupies 3.8 slot/s, which is wider than 97.4% of graphics cards and equal in width to 0.4% 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

2,900 g
ASUS ROG Astral GeForce RTX 5080 OC Edition weighs 2900 g, which is heavier than 98.9% of graphics cards and equal in weight to 0.2% of graphics cards.
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ASUS ROG Astral GeForce RTX 5080 OC Edition vs the average graphics card

  • 44 more compute units
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more compute units than the average graphics card (84 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 GeForce RTX 5080 OC Edition has more compute units than the average graphics card (84 vs 40). The average graphics card has 40 compute units.84 vs 40
  • 11.6% higher boost clock speed
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher boost GPU clock than the average graphics card (2,790 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
    What it is: Maximum boost frequency the GPU can reach under load
    When it matters: When you want a rough idea of peak advertised frequency, while knowing real sustained clocks still depend on cooling and power limits.

    Importance: HIGH

    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher boost GPU clock than the average graphics card (2,790 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.2790 MHz vs 2500 MHz
  • 36 more ray tracing cores
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more ray tracing cores than the average graphics card (84 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 GeForce RTX 5080 OC Edition has more ray tracing cores than the average graphics card (84 vs 48). The average graphics card has 48 ray tracing cores.84 vs 48
  • 2.14x higher memory bandwidth
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher memory bandwidth than the average graphics card (960 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 GeForce RTX 5080 OC Edition has a higher memory bandwidth than the average graphics card (960 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.960 GB/s vs 448 GB/s
  • 2.46x higher texture rate
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher texture rate than the average graphics card (927.4 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 GeForce RTX 5080 OC Edition has a higher texture rate than the average graphics card (927.4 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.927.4 GTexel/s vs 376.8 GTexel/s
  • 152 more TMUs
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more TMUs than the average graphics card (336 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 GeForce RTX 5080 OC Edition has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.336 vs 184
  • 48 more ROPs
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more ROPs than the average graphics card (112 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 GeForce RTX 5080 OC Edition has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.112 vs 64
  • 87.1% higher pixel rate
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher pixel rate than the average graphics card (309.1 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 GeForce RTX 5080 OC Edition has a higher pixel rate than the average graphics card (309.1 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.309.1 GPixel/s vs 165.2 GPixel/s
  • 44 more compute units
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more compute units than the average graphics card (84 vs 40). The average graphics card has 40 compute units.
  • 11.6% higher boost clock speed
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher boost GPU clock than the average graphics card (2,790 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 36 more ray tracing cores
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more ray tracing cores than the average graphics card (84 vs 48). The average graphics card has 48 ray tracing cores.
  • 2.46x higher texture rate
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher texture rate than the average graphics card (927.4 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 152 more TMUs
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.
  • 48 more ROPs
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.
  • 87.1% higher pixel rate
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher pixel rate than the average graphics card (309.1 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 144 more AI cores
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more AI cores than the average graphics card (336 vs 192). The average graphics card has 192 AI cores.
  • 19.5% higher base clock speed
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher base GPU clock than the average graphics card (2,295 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 2.37x higher ray tracing score
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher ray tracing score than the average graphics card (23,599 points vs 9,938.5 points). The average graphics card has a ray tracing score of 9,938.5 points.
  • 6,400 more FP32 units
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more FP32 units than the average graphics card (10,752 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 2.57x higher compute throughput
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher compute throughput than the average graphics card (59.4 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 2.14x higher memory bandwidth
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher memory bandwidth than the average graphics card (960 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 57.9% faster memory speed
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher effective memory speed than the average graphics card (30,000 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 4 GB more VRAM
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • Supports ECC memory
    ASUS ROG Astral GeForce RTX 5080 OC Edition supports ECC memory, the average graphics card does not.
  • 2x larger L2 cache
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more L2 cache than the average graphics card (64 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 7.1% faster VRAM clock
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher VRAM clock than the average graphics card (1,875 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • Newer GDDR version
    ASUS ROG Astral GeForce RTX 5080 OC Edition uses a newer GDDR version than the average graphics card (GDDR7 vs GDDR6).
  • Newer PCIe version
    ASUS ROG Astral GeForce RTX 5080 OC Edition supports a newer PCIe version than the average graphics card (5 vs 4.0).
  • 2 newer
    ASUS ROG Astral GeForce RTX 5080 OC Edition was released more recently than the average graphics card (2,025 vs 2,023).
  • Newer encoder generation
    ASUS ROG Astral GeForce RTX 5080 OC Edition uses a newer encoder generation than the average graphics card (9 vs 8). The average graphics card uses encoder generation 8.
  • Newer HDMI version
    ASUS ROG Astral GeForce RTX 5080 OC Edition supports a newer HDMI version than the average graphics card (2.1b vs 2.1).
  • Newer DisplayPort version
    ASUS ROG Astral GeForce RTX 5080 OC Edition supports a newer DisplayPort version than the average graphics card (2.1 vs 1.4a).
  • 1 more fans
    ASUS ROG Astral GeForce RTX 5080 OC Edition has more fans than the average graphics card (4 vs 3).
  • Includes dual BIOS
    ASUS ROG Astral GeForce RTX 5080 OC Edition includes dual BIOS, the average graphics card does not.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 2 fewer GPUs supported
    ASUS ROG Astral GeForce RTX 5080 OC Edition supports fewer GPUs in multi-GPU mode than the average graphics card (0 vs 2). The average graphics card supports 2 GPUs in multi-GPU mode.
  • 67.4% higher TDP
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher TDP than the average graphics card (360 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 30.8% higher PSU requirement
    ASUS ROG Astral GeForce RTX 5080 OC Edition 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.
  • 54.5% higher idle power draw
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher idle power draw than the average graphics card (17 W vs 11 W). The average graphics card has an idle power draw of 11 W.
  • 81.8% higher peak power draw
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher peak power draw than the average graphics card (400 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 1.8 slot/s wider design
    ASUS ROG Astral GeForce RTX 5080 OC Edition occupies more slots than the average graphics card (3.8 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 72.23 mm longer card length
    ASUS ROG Astral GeForce RTX 5080 OC Edition is longer than the average graphics card (357.6 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 22.3 mm higher card profile
    ASUS ROG Astral GeForce RTX 5080 OC Edition is taller than the average graphics card (149.3 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 2.91x heavier card weight
    ASUS ROG Astral GeForce RTX 5080 OC Edition is heavier than the average graphics card (2,900 g vs 998 g). The average graphics card weighs 998 g.
  • 1.8 slot/s wider design
    ASUS ROG Astral GeForce RTX 5080 OC Edition occupies more slots than the average graphics card (3.8 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 GeForce RTX 5080 OC Edition occupies more slots than the average graphics card (3.8 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.3.8 slot/s vs 2 slot/s
  • 67.4% higher TDP
    ASUS ROG Astral GeForce RTX 5080 OC Edition has a higher TDP than the average graphics card (360 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 GeForce RTX 5080 OC Edition has a higher TDP than the average graphics card (360 W vs 215 W). The average graphics card has a TDP of 215 W.360 W vs 215 W
  • 30.8% higher PSU requirement
    ASUS ROG Astral GeForce RTX 5080 OC Edition 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 ROG Astral GeForce RTX 5080 OC Edition 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
  • 72.23 mm longer card length
    ASUS ROG Astral GeForce RTX 5080 OC Edition is longer than the average graphics card (357.6 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 ROG Astral GeForce RTX 5080 OC Edition is longer than the average graphics card (357.6 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.357.6 mm vs 285.37 mm
  • 22.3 mm higher card profile
    ASUS ROG Astral GeForce RTX 5080 OC Edition is taller than the average graphics card (149.3 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 GeForce RTX 5080 OC Edition is taller than the average graphics card (149.3 mm vs 127 mm). The average graphics card has a height of 127 mm.149.3 mm vs 127 mm
  • 2.62x more expensive
    ASUS ROG Astral GeForce RTX 5080 OC Edition is more expensive than the average graphics card (£1,390 vs £530).
    ASUS ROG Astral GeForce RTX 5080 OC Edition is more expensive than the average graphics card (£1,390 vs £530).£1,390 vs £530
  • 2 fewer GPUs supported
    ASUS ROG Astral GeForce RTX 5080 OC Edition supports fewer GPUs in multi-GPU mode than the average graphics card (0 vs 2). The average graphics card supports 2 GPUs in multi-GPU mode.
    What it is: Maximum number of GPUs supported in a multi-GPU setup
    When it matters: When you are planning a rendering or compute setup with more than one card.

    Importance: LOW

    ASUS ROG Astral GeForce RTX 5080 OC Edition supports fewer GPUs in multi-GPU mode than the average graphics card (0 vs 2). The average graphics card supports 2 GPUs in multi-GPU mode.0 vs 2
  • 2.91x heavier card weight
    ASUS ROG Astral GeForce RTX 5080 OC Edition is heavier than the average graphics card (2,900 g vs 998 g). The average graphics card weighs 998 g.
    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

    ASUS ROG Astral GeForce RTX 5080 OC Edition is heavier than the average graphics card (2,900 g vs 998 g). The average graphics card weighs 998 g.2900 g vs 998 g
Total
Overall
Platform & Features
Power & Cooling
Design

Graphic comparison of ASUS ROG Astral GeForce RTX 5080 OC Edition and

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Third-party reviews

United Kingdom
amazon
4.4
148 Reviews
amazon
4.5
52 Reviews
United States
Amazon_logo.png
4.4
153 Reviews
Amazon_logo.png
4.5
53 Reviews

(Reviews last updated: June 2026)

What customers like about ASUS ROG Astral GeForce RTX 5080 OC Edition?

  • Exceptional thermal performance with stable, low temperatures (around 58°C at 4K ultra)
  • Superior build quality featuring a premium CNC-machined metal shroud and rigid aluminum backplate
  • High factory overclocking potential and stable performance in demanding 4K/8K gaming
  • Sophisticated and sleek design with subtle RGB lighting bar
  • Innovative quad-fan cooling system and vapor chamber for efficient heat dissipation
  • Dual BIOS support allowing for a 'whisper quiet' mode (approx. 26 dBA)
  • Additional connectivity with two HDMI 2.1B ports instead of the standard one

What customers dislike about ASUS ROG Astral GeForce RTX 5080 OC Edition?

  • Significant price markup over the base MSRP (retailing around £1,500)
  • Extremely large physical dimensions (3.8-slot design, 358mm length) and heavy weight (approx. 2.8kg)
  • Significant GPU sag requiring a support bracket (included holder noted as plastic)
  • High power consumption at idle and during video playback
  • Noise levels can be on the higher side (36 dBA) when using the default Performance BIOS
  • Some users reported poor quality or 'trashy' included accessories for the premium price point

Expert reviews

B
basic-tutorials.com
19/02/2025
ASUS ROG Astral GeForce RTX 5080 OC Edition Review

The ASUS ROG Astral GeForce RTX 5080 OC Edition is an exceptionally powerful, premium Blackwell-generation graphics card that features a massive 3.8-slot design equipped with a unique four-fan configuration (three on top, one on the bottom) and a robust full-metal die-cast housing. Driven by the NVIDIA Blackwell architecture, it delivers the highest factory boost clock on the market...Read more

T
thinkcomputers.org
10/02/2025
ASUS ROG Astral GeForce RTX 5080 OC Edition Review

The ThinkComputers review of the ASUS ROG Astral RTX 5080 OC Edition highlights a premium, Blackwell-based card featuring 16GB GDDR7 memory and a 2760 MHz factory overclock. Key strengths include exceptional 4K gaming performance, robust all-metal build quality, and an innovative quad-fan cooling design, which incorporates a specialized fan on the backplate for improved airflow....Read more

O
overclock3d.net
30/01/2025
ASUS ROG RTX 5080 Astral Review - OC3D

The Overclock3D review of the ASUS ROG RTX 5080 Astral details a heavily engineered, massive Blackwell card featuring a unique quad-fan design with a specialized pull-fan, advanced vapor chamber, and integrated structural bracing. Key pros include exceptional factory overclocking headroom and top-tier thermal performance, alongside functional additions like extra case fan headers...Read more

E
en.gamegpu.com
30/01/2025
Asus ROG Astral GeForce RTX 5080 OC Review - GameGPU

The Asus ROG Astral GeForce RTX 5080 OC is a highly capable, premium graphics card built on NVIDIA's Blackwell architecture. Equipped with 10,752 CUDA cores and 16GB of GDDR7 video memory, it delivers outstanding gaming performance, especially when leveraging cutting-edge technologies like DLSS 4 Multi-Frame Generation. In real-world benchmarks, the card excels at 1440p resolution,...Read more

O
overclock3d.net
30/01/2025
ASUS ROG RTX 5080 Astral Review - OC3D - Overclock 3D

The ASUS ROG RTX 5080 Astral is identified as the fastest out-of-the-box clock speed card tested by Overclock3D, featuring an innovative quad-fan cooling design and a premium aesthetic. However, the card is criticized for its exorbitant £1300 price tag, which is difficult to justify given that the marginal performance gains over MSRP models do not align with the significantly higher...Read more

T
techpowerup.com
30/01/2025
ASUS GeForce RTX 5080 Astral OC Review - TechPowerUp

The ASUS GeForce RTX 5080 Astral OC is an ultra-premium card featuring the NVIDIA Blackwell GB203 architecture with 16GB GDDR7, delivering exceptional 4K performance, high factory overclocking (2,760 MHz), and robust build quality. It features an impressive quad-fan cooler, a quiet secondary BIOS, and dual HDMI 2.1b ports, with excellent manual overclocking potential. However, the...Read more

P
pcguide.com
12/02/2025
ROG Astral GeForce RTX 5080 OC review - PC Guide

The ASUS ROG Astral GeForce RTX 5080 OC is a premium, heavily customized graphics card priced at an astronomical $1,499.99, which sits a full $500 above the Founders Edition MSRP. For this hefty premium, users get an impressive 170MHz factory overclock, bringing the boost clock speed up to 2.79GHz while keeping the core specs—like the GB203 GPU, 10,752 CUDA cores, and 16GB of GDDR7...Read more

H
hardwareluxx.de
05/02/2025
Mit OC und ohne vierten Lüfter: Die ASUS ROG Astral GeForce RTX 5080 OC Edition im Nachtest

summary of the review: Review Summary The ASUS ROG Astral GeForce RTX 5080 OC Edition stands out as a premium flagship graphics card featuring exceptional build quality and strong cooling potential, though it commands a significant price premium over standard models. While the out-of-the-box experience delivers lower temperatures, its aggressive "Performance" mode fan profile...Read more

(Translated)Show original
P
profesionalreview.com
30/01/2025
Asus ROG Astral RTX 5080 OC Edition Review en Español

The Asus ROG Astral RTX 5080 OC Edition is a premium, top-tier custom graphics card that succeeds the brand's well-known ROG Strix series. It features a massive redesign centered around a 4-fan cooling system and a vapor chamber cold plate, taking up 3.8 slots and weighing over 2.5 kg. Built on Nvidia's 5nm Blackwell architecture (GB203 chip), it comes equipped with 16GB of GDDR7...Read more

(Translated)Show original

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