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Gainward GeForce RTX 5080 Phantom Gs Review | 118 Data compared

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  • Avg. price in UK: ~£1,170
  • Avg. price in US: ~$1,230
  • VRAM: 16 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 360 W

Gainward GeForce RTX 5080 Phantom Gs 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%

8.9

Technical Score

10.0%

?

User score

Excellent
8.9

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%

8.1

Memory

12.0%

7.8

Power & Cooling

11.0%

9.7

Platform & Features

5.0%

5.1

Design

4.0%

9.8

Connectivity & Media

Excellent
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 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 prices in UK

    N/A~ £1,170

Best rankings

?

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

Verdict

The Gainward GeForce RTX 5080 Phantom GS (Golden Sample) is a high-end graphics card powered by the NVIDIA Blackwell architecture, featuring 10,752 CUDA cores, 84 4th-gen Ray Tracing cores, and 336 5th-gen Tensor cores. As a factory-overclocked 'Golden Sample' model, it boasts a base clock of 2,295 MHz and a boosted clock of 2,730 MHz, paired with 16GB of next-generation GDDR7 memory on a 256-bit bus for a massive 960 GB/s bandwidth. Its primary characteristics include a robust 3.5-slot cooling system with a vapor chamber and Cyclone Fans, dual vBIOS for switching between performance and silent modes, and Auto Sync 2.0 for customizable ARGB lighting. Main pros include its superior thermal management, quiet operation even under heavy 4K gaming loads, and support for advanced technologies like DLSS 4 and PCIe 5.0. However, its significant cons include a high power consumption of 360W TDP, its massive physical size (332mm length) which may not fit in smaller cases, and a premium price point that offers only marginal performance gains over the standard Founders Edition.

Technical Specifications of Gainward GeForce RTX 5080 Phantom Gs

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%

?

Performance

24.0%

?

Memory

12.0%

?

Power & Cooling

11.0%

?

Platform & Features

5.0%

?

Design

4.0%

?

Connectivity & Media

8.9
Gainward GeForce RTX 5080 Phantom Gs has a technical score of 8.86 points, which is higher than that of 98.4% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the graphics card.

When it matters: When you want to understand how a graphics card performs in real use and how reliable it is in terms of performance, temperatures, noise, stability, and long-term ownership.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the graphics card.
When it matters: When you prefer a graphics card that has already been chosen and reviewed by many other users.
1.0
Gainward GeForce RTX 5080 Phantom Gs has a popularity of 1 points, which is lower than 55.9% 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%

4.3

Price

7.5
Gainward GeForce RTX 5080 Phantom Gs has a quality-to-price ratio of 7.5 points, which is higher than 88% 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

?
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

?
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

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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

58.71 TFLOPS
Gainward GeForce RTX 5080 Phantom Gs delivers 58.71 TFLOPS floating-point performance, which is higher than that of 91.4% of graphics cards and equal to that of 0.5% 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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
Gainward GeForce RTX 5080 Phantom Gs 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

20.0 Gbps
Gainward GeForce RTX 5080 Phantom Gs supports DisplayPort link rates up to 20.0 Gbps, which is faster than on 53% of graphics cards and equal to 3.4% of graphics cards.
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Thermal Design Power (TDP)
What it is: Typical power consumption under full load (TDP)
When it matters: When you need a realistic idea of power draw before choosing a PSU or case.

Importance: MEDIUM

360 W
Gainward GeForce RTX 5080 Phantom Gs 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

360 W
Gainward GeForce RTX 5080 Phantom Gs draws 360 W under peak load, which is higher than 87.2% of graphics cards and equal to 4.2% 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
Gainward GeForce RTX 5080 Phantom Gs 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

380 W
Gainward GeForce RTX 5080 Phantom Gs has a board power limit of 380 W, which is higher than that of 87.8% of graphics cards and equal to that of 0.8% 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

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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

145.6 mm
Gainward GeForce RTX 5080 Phantom Gs is 145.6 mm tall, which is taller than 87.5% of graphics cards and equal in height to 0.3% of graphics cards.
Slot width
What it is: Number of PCIe slots occupied by the card
When it matters: When you need room for another PCIe card or better airflow under the GPU.

Importance: LOW

3.5 slot/s
Gainward GeForce RTX 5080 Phantom Gs occupies 3.5 slot/s, which is wider than 89.8% of graphics cards and equal in width to 6.7% of graphics cards.
Weight
What it is: Total weight of the graphics card
When it matters: When sag, bracket support, or shipping stress matters in your build.

Importance: LOW

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Gainward GeForce RTX 5080 Phantom Gs vs the average graphics card

  • 44 more compute units
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs has more compute units than the average graphics card (84 vs 40). The average graphics card has 40 compute units.84 vs 40
  • 9.2% higher boost clock speed
    Gainward GeForce RTX 5080 Phantom Gs has a higher boost GPU clock than the average graphics card (2,730 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

    Gainward GeForce RTX 5080 Phantom Gs has a higher boost GPU clock than the average graphics card (2,730 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.2730 MHz vs 2500 MHz
  • 36 more ray tracing cores
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs 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
  • 2.43x higher texture rate
    Gainward GeForce RTX 5080 Phantom Gs has a higher texture rate than the average graphics card (917.3 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

    Gainward GeForce RTX 5080 Phantom Gs has a higher texture rate than the average graphics card (917.3 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.917.3 GTexel/s vs 376.8 GTexel/s
  • 152 more TMUs
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.336 vs 184
  • 48 more ROPs
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.112 vs 64
  • 57.9% faster memory speed
    Gainward GeForce RTX 5080 Phantom Gs 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.
    What it is: Effective memory data rate combining clock and bus width
    When it matters: When you compare how quickly each card can push data through its memory subsystem.

    Importance: MEDIUM

    Gainward GeForce RTX 5080 Phantom Gs 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.30000 MHz vs 19000 MHz
  • 44 more compute units
    Gainward GeForce RTX 5080 Phantom Gs has more compute units than the average graphics card (84 vs 40). The average graphics card has 40 compute units.
  • 9.2% higher boost clock speed
    Gainward GeForce RTX 5080 Phantom Gs has a higher boost GPU clock than the average graphics card (2,730 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 36 more ray tracing cores
    Gainward GeForce RTX 5080 Phantom Gs has more ray tracing cores than the average graphics card (84 vs 48). The average graphics card has 48 ray tracing cores.
  • 2.43x higher texture rate
    Gainward GeForce RTX 5080 Phantom Gs has a higher texture rate than the average graphics card (917.3 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 152 more TMUs
    Gainward GeForce RTX 5080 Phantom Gs has more TMUs than the average graphics card (336 vs 184). The average graphics card has 184 TMUs.
  • 48 more ROPs
    Gainward GeForce RTX 5080 Phantom Gs has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.
  • 85.1% higher pixel rate
    Gainward GeForce RTX 5080 Phantom Gs has a higher pixel rate than the average graphics card (305.8 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 144 more AI cores
    Gainward GeForce RTX 5080 Phantom Gs has more AI cores than the average graphics card (336 vs 192). The average graphics card has 192 AI cores.
  • 2.57x higher FP32 performance
    Gainward GeForce RTX 5080 Phantom Gs has a higher FP32 performance than the average graphics card (58.7 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 19.5% higher base clock speed
    Gainward GeForce RTX 5080 Phantom Gs 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.
  • 6,400 more FP32 units
    Gainward GeForce RTX 5080 Phantom Gs has more FP32 units than the average graphics card (10,752 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 2.54x higher compute throughput
    Gainward GeForce RTX 5080 Phantom Gs has a higher compute throughput than the average graphics card (58.7 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 99% higher FP16 performance
    Gainward GeForce RTX 5080 Phantom Gs has a higher FP16 performance than the average graphics card (58.7 TFLOPS vs 29.5 TFLOPS). The average graphics card has FP16 performance of 29.5 TFLOPS.
  • 2.14x higher memory bandwidth
    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • Supports ECC memory
    Gainward GeForce RTX 5080 Phantom Gs supports ECC memory, the average graphics card does not.
  • 2x larger L2 cache
    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs uses a newer GDDR version than the average graphics card (GDDR7 vs GDDR6).
  • Newer PCIe version
    Gainward GeForce RTX 5080 Phantom Gs supports a newer PCIe version than the average graphics card (5 vs 4.0).
  • 2 newer
    Gainward GeForce RTX 5080 Phantom Gs was released more recently than the average graphics card (2,025 vs 2,023).
  • Newer encoder generation
    Gainward GeForce RTX 5080 Phantom Gs uses a newer encoder generation than the average graphics card (9 vs 8). The average graphics card uses encoder generation 8.
  • Newer shader model
    Gainward GeForce RTX 5080 Phantom Gs supports a newer shader model than the average graphics card (6.9 vs 6.8).
  • Newer DisplayPort version
    Gainward GeForce RTX 5080 Phantom Gs supports a newer DisplayPort version than the average graphics card (2.1b vs 1.4a).
  • Newer HDMI version
    Gainward GeForce RTX 5080 Phantom Gs supports a newer HDMI version than the average graphics card (2.1b vs 2.1).
  • Includes dual BIOS
    Gainward GeForce RTX 5080 Phantom Gs includes dual BIOS, the average graphics card does not.
  • 5 °C higher thermal ceiling
    Gainward GeForce RTX 5080 Phantom Gs has a higher thermal ceiling than the average graphics card (88 °C vs 93 °C). The average graphics card has a thermal ceiling of 93 °C.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 67.4% higher TDP
    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs 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.
  • 72.7% higher board power limit
    Gainward GeForce RTX 5080 Phantom Gs has a higher board power limit than the average graphics card (380 W vs 220 W). The average graphics card has a board power limit of 220 W.
  • 2x higher idle power draw
    Gainward GeForce RTX 5080 Phantom Gs has a higher idle power draw than the average graphics card (22 W vs 11 W). The average graphics card has an idle power draw of 11 W.
  • 63.6% higher peak power draw
    Gainward GeForce RTX 5080 Phantom Gs has a higher peak power draw than the average graphics card (360 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 1.5 slot/s wider design
    Gainward GeForce RTX 5080 Phantom Gs occupies more slots than the average graphics card (3.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 18.6 mm higher card profile
    Gainward GeForce RTX 5080 Phantom Gs is taller than the average graphics card (145.6 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 1.5 slot/s wider design
    Gainward GeForce RTX 5080 Phantom Gs occupies more slots than the average graphics card (3.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
    What it is: Number of PCIe slots occupied by the card
    When it matters: When you need room for another PCIe card or better airflow under the GPU.

    Importance: LOW

    Gainward GeForce RTX 5080 Phantom Gs occupies more slots than the average graphics card (3.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.3.5 slot/s vs 2 slot/s
  • 67.4% higher TDP
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs 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
    Gainward GeForce RTX 5080 Phantom Gs 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

    Gainward GeForce RTX 5080 Phantom Gs 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
  • 18.6 mm higher card profile
    Gainward GeForce RTX 5080 Phantom Gs is taller than the average graphics card (145.6 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

    Gainward GeForce RTX 5080 Phantom Gs is taller than the average graphics card (145.6 mm vs 127 mm). The average graphics card has a height of 127 mm.145.6 mm vs 127 mm
  • 72.7% higher board power limit
    Gainward GeForce RTX 5080 Phantom Gs has a higher board power limit than the average graphics card (380 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

    Gainward GeForce RTX 5080 Phantom Gs has a higher board power limit than the average graphics card (380 W vs 220 W). The average graphics card has a board power limit of 220 W.380 W vs 220 W
  • 2.21x more expensive
    Gainward GeForce RTX 5080 Phantom Gs is more expensive than the average graphics card (£1,170 vs £530).
    Gainward GeForce RTX 5080 Phantom Gs is more expensive than the average graphics card (£1,170 vs £530).£1,170 vs £530
  • 2.3x less popular
    Gainward GeForce RTX 5080 Phantom Gs is less popular than the average graphics card (1.00 vs 2.303).
    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.
    Gainward GeForce RTX 5080 Phantom Gs is less popular than the average graphics card (1.00 vs 2.303).1 vs 2.3
  • 2x higher idle power draw
    Gainward GeForce RTX 5080 Phantom Gs has a higher idle power draw than the average graphics card (22 W vs 11 W). The average graphics card has an idle power draw of 11 W.
    What it is: Power consumption of the graphics card while idle.
    When it matters: When the PC stays on for long hours and background power draw adds up.

    Importance: LOW

    Gainward GeForce RTX 5080 Phantom Gs has a higher idle power draw than the average graphics card (22 W vs 11 W). The average graphics card has an idle power draw of 11 W.22 W vs 11 W
Total
Overall
Power & Cooling
Design

Graphic comparison of Gainward GeForce RTX 5080 Phantom Gs and

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Third-party reviews

What customers like about Gainward GeForce RTX 5080 Phantom Gs?

  • Excellent 4K and high-refresh-rate gaming performance thanks to the Blackwell architecture
  • Effective triple-fan cooling system that remains notably quiet, especially in 'Silent' BIOS mode
  • Premium, sleek all-black 'Phantom' design with subtle RGB lighting
  • High factory overclock (Golden Sample) provides a 4% performance lead over the Founders Edition out of the box
  • Dual BIOS switch allows users to easily toggle between maximum performance and quieter operation
  • Support for the latest technologies, including DLSS 4 with Multi Frame Generation and DisplayPort 2.1b

What customers dislike about Gainward GeForce RTX 5080 Phantom Gs?

  • Large physical footprint (3.5-slot design) may not fit in smaller PC cases
  • Significant power draw, with TBP reaching up to 360W-380W under heavy load
  • Dedicated 'ExperTool' software is required for RGB synchronization and can be less intuitive than competitors
  • Some user reports of audible coil whine and fan motor noise in certain units
  • Priced at a premium over the MSRP Founders Edition, which some may find hard to justify for the performance gain

Expert reviews

G
guru3d.com
30/01/2025
Gainward GeForce RTX 5080 Phantom GS (Golden sample) - Final Words and Conclusion

The Gainward GeForce RTX 5080 Phantom GS is an impressive custom graphics card that handles demanding tasks with excellent heat management and structural stability. Built on NVIDIA's Blackwell architecture with 10.7K CUDA cores and 16GB of GDDR7 memory, it features a factory overclock pushing the boost clock up to 2730 MHz. Its robust cooling suite—consisting of Cyclone fans,...Read more

G
guru3d.com
30/01/2025
Gainward GeForce RTX 5080 Phantom GS (Golden sample) - Performance - A Word About "FPS"

The Guru3D review of the Gainward GeForce RTX 5080 Phantom GS (Golden Sample) highlights a powerful graphics card built on NVIDIA's Blackwell architecture. Equipped with 16 GB of GDDR7 memory on a 256-bit interface, this model features a factory-overclocked boost clock of 2730 MHz, allowing it to perform roughly 4% faster than NVIDIA's Founders Edition model. In terms of pros, the...Read more

G
guru3d.com
30/01/2025
Gainward GeForce RTX 5080 Phantom GS (Golden sample) - The Card, Design & Thermal Solution

The Gainward GeForce RTX 5080 Phantom GS (Golden Sample) is a high-performance graphics card designed for demanding modern gaming and AI workloads. It features a robust boost clock speed of 2730 MHz and comes equipped with 16 GB of next-generation GDDR7 memory operating at 30 Gbps across a 256-bit interface, delivering a massive memory bandwidth of 960 GB/s. Built on the...Read more

G
guru3d.com
30/01/2025
Review: Gainward GeForce RTX 5080 Phantom GS (Golden sample) Note: While other major English publication sites (such as TechPowerUp) published day-one...

The Guru3D review highlights the Gainward GeForce RTX 5080 Phantom GS (Golden Sample) as a powerhouse built on NVIDIA's 4nm "Blackwell" architecture. Equipped with 10,752 CUDA cores and 16 GB of ultra-fast GDDR7 memory on a 256-bit bus, the card achieves massive bandwidth speeds of 960 GB/s. Guru3D's testing notes that it delivers a 3% to 4% performance boost over the standard...Read more

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