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KFA2 GeForce RTX 4080 SG 1 Click OC 16GB Review | 118 Data compared

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  • Avg. price in UK: ~£1,100
  • Avg. price in US: ~$1,200
  • VRAM: 16 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 320 W

KFA2 GeForce RTX 4080 SG 1 Click OC 16GB review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

7.9

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%

7.9

Technical Score

10.0%

?

User score

Very good
7.9

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%

8.9

Performance

24.0%

6.5

Memory

12.0%

6.3

Power & Cooling

11.0%

9.3

Platform & Features

5.0%

4.8

Design

4.0%

9.4

Connectivity & Media

Very good
?

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

  • 7.6
    Gaming

    Score components:

    45.0%

    ?

    Floating-point performance

    25.0%

    5.2

    VRAM

    20.0%

    8.9

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.0
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    5.2

    VRAM

    20.0%

    ?

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 7.5
    1080p

    Score components:

    55.0%

    ?

    Floating-point performance

    25.0%

    5.2

    VRAM

    10.0%

    8.9

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 7.3
    1440p

    Score components:

    50.0%

    ?

    Floating-point performance

    30.0%

    5.2

    VRAM

    15.0%

    8.9

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 7.2
    4K

    Score components:

    40.0%

    ?

    Floating-point performance

    35.0%

    5.2

    VRAM

    20.0%

    8.9

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • No image
No image

Best prices in UK

    N/A~ £1,100

Best rankings

?

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

Verdict

The KFA2 GeForce RTX 4080 SG 1-Click OC is a high-performance graphics card featuring the NVIDIA Ada Lovelace architecture with 9,728 CUDA cores and 16GB of GDDR6X memory on a 256-bit interface. It offers a factory-overclocked boost clock of 2,565MHz, which can be further increased to 2,580MHz via its signature 1-Click OC feature, providing exceptional 4K gaming performance and advanced ray tracing capabilities. Main characteristics include the robust SG (Serious Gaming) cooling system with triple 102mm WINGS 2.0 fans and an additional 1-Clip Booster 2.0 fan for enhanced airflow, alongside extensive ARGB lighting customizable via Xtreme Tuner software. Pros include its significant performance leap over previous generations, high power efficiency relative to its output, and a comprehensive thermal design that maintains low noise levels even under load. However, notable cons include its massive 3.5-slot physical footprint that may not fit in smaller cases and a launch price that many reviewers found high compared to the flagship RTX 4090.

Technical Specifications of KFA2 GeForce RTX 4080 SG 1 Click OC 16GB

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

7.9
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a technical score of 7.85 points, which is higher than that of 76% 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
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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%

7.9

Overall score

40.0%

4.7

Price

6.9
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a quality-to-price ratio of 6.9 points, which is higher than 54.4% 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

?
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

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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
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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

GDDR6X
GDDR version
What it is: Generation of GDDR memory used by the graphics card.
When it matters: When you want to separate older memory generations from newer ones before comparing bandwidth, power behavior, and market tier.

Importance: LOW

GDDR6X
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB uses GDDR6X memory, which is newer than on 55.8% of graphics cards and equal to 22.6% of graphics cards.
Memory bus width
What it is: Width of the memory interface bus in bits
When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

Importance: HIGH

256 bit
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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

716.8 GB/s
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB reaches 716.8 GB/s memory bandwidth, which is higher than that of 74.5% of graphics cards and equal to that of 2.8% of graphics cards.
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PCI Express (PCIe) version
What it is: Version of PCI Express interface supported
When it matters: When you are pairing the card with an older motherboard and want to avoid leaving bandwidth or future compatibility on the table.

Importance: LOW

4.0
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports PCIe 4.0, which is newer than on 22.5% of graphics cards and equal to 52% of graphics cards.
PCIe lanes
What it is: Number of PCI Express lanes used for communication
When it matters: When limited lane width could bottleneck the card in some systems.

Importance: LOW

x16
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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

1.3
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports Vulkan 1.3, which is older than on 73.5% of graphics cards and equal to 22.5% 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
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB offers 3 DisplayPort outputs, which is more than 20.9% of graphics cards and equal to 77.3% of graphics cards.
DisplayPort version
What it is: Version of DisplayPort standard supported
When it matters: When your monitor setup depends on newer DisplayPort features for higher refresh rates, higher resolution, or better cable flexibility.

Importance: LOW

1.4a
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports DisplayPort 1.4a, which is more advanced than on 22.7% of graphics cards and equal to 44.2% of graphics cards.
DisplayPort link rates
What it is: Supported data link rates for DisplayPort connections
When it matters: When you are pushing high resolution and refresh rate over DisplayPort.

Importance: LOW

32.4 Gbps
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports DisplayPort link rates up to 32.4 Gbps, which is faster than on 58.3% of graphics cards and equal to 24% 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

320 W
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a TDP of 320 W, which is higher than that of 79.3% of graphics cards and equal to that of 5.8% 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

320 W
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB draws 320 W under peak load, which is higher than 78.1% of graphics cards and equal to 5.3% 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

750 W
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB recommends a 750 W PSU, which is higher than that of 62.5% of graphics cards and equal to that of 17.5% 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

420 W
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a board power limit of 420 W, which is higher than that of 91% of graphics cards and equal to that of 0.3% 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

352 mm
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is 352 mm long, which is longer than 95.8% 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

138 mm
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is 138 mm tall, which is taller than 74% of graphics cards and equal in height to 1.1% 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

3.5 slot/s
KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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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KFA2 GeForce RTX 4080 SG 1 Click OC 16GB vs the average graphics card

  • 36 more compute units
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more compute units than the average graphics card (76 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more compute units than the average graphics card (76 vs 40). The average graphics card has 40 compute units.76 vs 40
  • 2.07x higher texture rate
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher texture rate than the average graphics card (779.8 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher texture rate than the average graphics card (779.8 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.779.8 GTexel/s vs 376.8 GTexel/s
  • 48 more ROPs
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.112 vs 64
  • 28 more ray tracing cores
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more ray tracing cores than the average graphics card (76 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more ray tracing cores than the average graphics card (76 vs 48). The average graphics card has 48 ray tracing cores.76 vs 48
  • 120 more TMUs
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more TMUs than the average graphics card (304 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more TMUs than the average graphics card (304 vs 184). The average graphics card has 184 TMUs.304 vs 184
  • 60% higher memory bandwidth
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher memory bandwidth than the average graphics card (716.8 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher memory bandwidth than the average graphics card (716.8 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.716.8 GB/s vs 448 GB/s
  • 73.9% higher pixel rate
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher pixel rate than the average graphics card (287.3 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher pixel rate than the average graphics card (287.3 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.287.3 GPixel/s vs 165.2 GPixel/s
  • 112 more AI cores
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more AI cores than the average graphics card (304 vs 192). The average graphics card has 192 AI cores.
    What it is: Number of tensor or AI processing cores
    When it matters: When AI features, frame generation, or creator tools use dedicated matrix hardware.

    Importance: MEDIUM

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more AI cores than the average graphics card (304 vs 192). The average graphics card has 192 AI cores.304 vs 192
  • 36 more compute units
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more compute units than the average graphics card (76 vs 40). The average graphics card has 40 compute units.
  • 2.07x higher texture rate
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher texture rate than the average graphics card (779.8 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 48 more ROPs
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.
  • 28 more ray tracing cores
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more ray tracing cores than the average graphics card (76 vs 48). The average graphics card has 48 ray tracing cores.
  • 120 more TMUs
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more TMUs than the average graphics card (304 vs 184). The average graphics card has 184 TMUs.
  • 73.9% higher pixel rate
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher pixel rate than the average graphics card (287.3 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 112 more AI cores
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more AI cores than the average graphics card (304 vs 192). The average graphics card has 192 AI cores.
  • 2.6% higher boost clock speed
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher boost GPU clock than the average graphics card (2,565 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 14.8% higher base clock speed
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher base GPU clock than the average graphics card (2,205 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 5,376 more FP32 units
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more FP32 units than the average graphics card (9,728 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 60% higher memory bandwidth
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher memory bandwidth than the average graphics card (716.8 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 4 GB more VRAM
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • Supports ECC memory
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports ECC memory, the average graphics card does not.
  • 2x larger L2 cache
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more L2 cache than the average graphics card (64 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 20% smaller process node
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a lower process node than the average graphics card (4 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • 2.1x more transistors
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has more transistors than the average graphics card (45,900 million vs 21,900 million). The average graphics card has 21,900 million transistors.

Total
Performance
Memory
Platform & Features
  • 99.9% slower memory speed
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a lower effective memory speed than the average graphics card (22.4 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 20% slower VRAM clock
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a lower VRAM clock than the average graphics card (1,400 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • Older Vulkan version
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
  • 1 older
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB was released earlier than the average graphics card (2,022 vs 2,023).
  • 48.8% higher TDP
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher TDP than the average graphics card (320 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 90.9% higher board power limit
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher board power limit than the average graphics card (420 W vs 220 W). The average graphics card has a board power limit of 220 W.
  • 15.4% higher PSU requirement
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher PSU requirement than the average graphics card (750 W vs 650 W). The average graphics card has a PSU requirement of 650 W.
  • 45.5% higher peak power draw
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher peak power draw than the average graphics card (320 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 1.5 slot/s wider design
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB occupies more slots than the average graphics card (3.5 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 66.63 mm longer card length
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is longer than the average graphics card (352 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 11 mm higher card profile
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is taller than the average graphics card (138 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 99.9% slower memory speed
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a lower effective memory speed than the average graphics card (22.4 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a lower effective memory speed than the average graphics card (22.4 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.22.4 MHz vs 19000 MHz
  • 1.5 slot/s wider design
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB 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
  • 48.8% higher TDP
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher TDP than the average graphics card (320 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher TDP than the average graphics card (320 W vs 215 W). The average graphics card has a TDP of 215 W.320 W vs 215 W
  • 66.63 mm longer card length
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is longer than the average graphics card (352 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is longer than the average graphics card (352 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.352 mm vs 285.37 mm
  • 90.9% higher board power limit
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher board power limit than the average graphics card (420 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher board power limit than the average graphics card (420 W vs 220 W). The average graphics card has a board power limit of 220 W.420 W vs 220 W
  • Older Vulkan version
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports an older Vulkan version than the average graphics card (1.3 vs 1.4).
    What it is: Highest supported Vulkan API version
    When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

    Importance: LOW

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB supports an older Vulkan version than the average graphics card (1.3 vs 1.4).1.3 vs 1.4
  • 15.4% higher PSU requirement
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher PSU requirement than the average graphics card (750 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB has a higher PSU requirement than the average graphics card (750 W vs 650 W). The average graphics card has a PSU requirement of 650 W.750 W vs 650 W
  • 11 mm higher card profile
    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is taller than the average graphics card (138 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

    KFA2 GeForce RTX 4080 SG 1 Click OC 16GB is taller than the average graphics card (138 mm vs 127 mm). The average graphics card has a height of 127 mm.138 mm vs 127 mm
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Third-party reviews

What customers like about KFA2 GeForce RTX 4080 SG 1 Click OC 16GB?

  • Excellent 4K/2160p gaming performance with significant gains over the previous generation (RTX 3080 Ti)
  • Superior cooling system that maintains low temperatures and very quiet operation even under load
  • Comprehensive bundle including a dedicated GPU support bracket and an optional clip-on fourth fan
  • High energy efficiency compared to previous high-end models, often drawing less power while delivering more speed
  • Vibrant and customizable ARGB lighting that appeals to RGB enthusiasts
  • Reliable DLSS 3 support providing massive frame rate boosts in compatible titles

What customers dislike about KFA2 GeForce RTX 4080 SG 1 Click OC 16GB?

  • Enormous physical dimensions (352mm length) that may not fit in many standard PC cases
  • initial high launch price was considered poor value compared to its predecessor and the flagship RTX 4090
  • Requires significant vertical clearance due to its 3.5-slot thickness and the placement of the 12VHPWR connector
  • The '1-Click OC' feature offers only a marginal 15 MHz boost, which users found practically unnoticeable in real gaming
  • Large cooler may block adjacent PCIe slots on most motherboards

Expert reviews

N
notebookcheck.nl
04/01/2023
KFA2 GeForce RTX 4080 SG desktop GPU review: Geweldige prestaties ontmoet twijfelachtige prijsstelling

The KFA2 GeForce RTX 4080 Serious Gaming (SG) is an exceptionally fast desktop graphics card built on Nvidia’s 4 nm Ada Lovelace architecture, delivering a massive 26% performance leap over the previous generation at the exact same 320-watt power target. Tested on an AMD Ryzen 9 7950X system, the card handles demanding 1440p and 4K gaming smoothly, matching the performance of...Read more

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