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GIGABYTE GeForce RTX 3080 Gaming OC 12G Review | 118 Data compared

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  • Avg. price in UK: ~£1,050
  • Avg. price in US: ~$800
  • VRAM: 12 GB
  • Memory bus width: 384 bit
  • Thermal Design Power (TDP): 350 W

GIGABYTE GeForce RTX 3080 Gaming OC 12G review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

7.3

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%

7.1

Technical Score

10.0%

9.1

User score

Very good
7.1

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%

6.6

Performance

24.0%

6.4

Memory

12.0%

8.0

Power & Cooling

11.0%

9.1

Platform & Features

5.0%

6.3

Design

4.0%

9.0

Connectivity & Media

Very good
9.1

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%

9.4

Popularity

User score:
United Kingdom
amazon
4.6
(191)
amazon
4.3
(55)
United States
Amazon_logo.png
4.5
(200)
Amazon_logo.png
4.3
(54)

(Reviews last updated: June 2026)

Exceptional
  • 6.3
    Gaming

    Score components:

    45.0%

    6.2

    Floating-point performance

    25.0%

    4.0

    VRAM

    20.0%

    8.0

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 6.2
    Video editing

    Score components:

    35.0%

    7.0

    AV1 encode

    30.0%

    4.0

    VRAM

    20.0%

    6.2

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 6.1
    1080p

    Score components:

    55.0%

    6.2

    Floating-point performance

    25.0%

    4.0

    VRAM

    10.0%

    8.0

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 6.0
    1440p

    Score components:

    50.0%

    6.2

    Floating-point performance

    30.0%

    4.0

    VRAM

    15.0%

    8.0

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 5.9
    4K

    Score components:

    40.0%

    6.2

    Floating-point performance

    35.0%

    4.0

    VRAM

    20.0%

    8.0

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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Best prices in UK

Best rankings

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

Verdict

The Gigabyte GeForce RTX 3080 Gaming OC 12G is a high-end graphics card featuring 8,960 CUDA cores and a factory-overclocked boost clock of 1755 MHz. It is equipped with 12GB of GDDR6X VRAM on a wide 384-bit memory interface, delivering approximately 912 GB/s of bandwidth to handle demanding 4K gaming. Its main characteristics include the WINDFORCE 3X cooling system with three alternate-spinning fans, a protective metal backplate, and dual BIOS for switching between OC and silent modes. Key pros include exceptional thermal management that keeps GPU temperatures in the mid-60°C range, a generous 4-year warranty, and performance that nearly matches the RTX 3080 Ti. However, its significant 320mm length may cause fitment issues in smaller cases, and it exhibits some PCB flex due to the cooler's substantial weight.

Technical Specifications of GIGABYTE GeForce RTX 3080 Gaming OC 12G

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%

6.6

Performance

24.0%

6.4

Memory

12.0%

8.0

Power & Cooling

11.0%

9.1

Platform & Features

5.0%

6.3

Design

4.0%

9.0

Connectivity & Media

7.1
GIGABYTE GeForce RTX 3080 Gaming OC 12G has a technical score of 7.1 points, which is higher than that of 63.4% 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%

8.9

User reviews

30.0%

9.4

Popularity

User score:
United Kingdom
amazon
4.6
(191)
amazon
4.3
(55)
United States
Amazon_logo.png
4.5
(200)
Amazon_logo.png
4.3
(54)

(Reviews last updated: June 2026)

9.1
GIGABYTE GeForce RTX 3080 Gaming OC 12G has a user score of 9.07 points, which is higher than that of 79.1% 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.
9.4
GIGABYTE GeForce RTX 3080 Gaming OC 12G has a popularity of 9.4 points, which is higher than 76.4% 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%

7.3

Overall score

40.0%

5.0

Price

6.6
GIGABYTE GeForce RTX 3080 Gaming OC 12G has a quality-to-price ratio of 6.6 points, which is lower than 57.2% 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

13,044 points
GIGABYTE GeForce RTX 3080 Gaming OC 12G scores 13044 points in 3DMark Port Royal, which is higher than 63.1% of graphics cards and equal to 0.4% 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

15,047 points
GIGABYTE GeForce RTX 3080 Gaming OC 12G scores 15047 points in PassMark DirectCompute, which is higher than 96.2% of graphics cards.
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

31.45 TFLOPS
GIGABYTE GeForce RTX 3080 Gaming OC 12G delivers 31.45 TFLOPS floating-point performance, which is higher than that of 61.4% of graphics cards and equal to that of 0.1% of graphics cards.
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VRAM
What it is: Total video memory available on the graphics card
When it matters: When you play at high settings, use texture mods, or work with large creative projects.

Importance: HIGH

12 GB
GIGABYTE GeForce RTX 3080 Gaming OC 12G has 12 GB of VRAM, which is more than 45.4% of graphics cards and equal to 15.9% 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G uses GDDR6X memory, which is newer than on 55.8% of graphics cards and equal to 22.6% of graphics cards.
Memory bus width
What it is: Width of the memory interface bus in bits
When it matters: When you care about steadier performance at higher resolutions, heavier texture settings, or ray-traced workloads that stress memory traffic.

Importance: HIGH

384 bit
GIGABYTE GeForce RTX 3080 Gaming OC 12G uses a 384 bit memory bus, which is wider than that of 89.3% of graphics cards and equal to that of 7.3% of graphics cards.
Maximum memory bandwidth
What it is: Maximum data transfer rate between GPU and its memory
When it matters: When 4K gaming, ray tracing, or creator work can choke a slower memory subsystem.

Importance: HIGH

912 GB/s
GIGABYTE GeForce RTX 3080 Gaming OC 12G reaches 912 GB/s memory bandwidth, which is higher than that of 86.2% of graphics cards and equal to that of 0.9% 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G uses x16 PCIe lanes, which is more than 31.5% of graphics cards and equal to 68.6% of graphics cards.
DirectX version
What it is: Highest supported DirectX API version
When it matters: When you play newer Windows games that depend on the latest graphics features.

Importance: LOW

12 Ultimate
GIGABYTE GeForce RTX 3080 Gaming OC 12G supports DirectX 12 Ultimate, which is more advanced than on 12.5% of graphics cards and equal to 87.5% of graphics cards.
Vulkan version
What it is: Highest supported Vulkan API version
When it matters: When modern games, emulators, or creative apps lean on Vulkan support.

Importance: LOW

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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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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

8.1 Gbps
GIGABYTE GeForce RTX 3080 Gaming OC 12G supports DisplayPort link rates up to 8.1 Gbps, which is slower than on 50.4% of graphics cards and equal to 40.5% 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

350 W
GIGABYTE GeForce RTX 3080 Gaming OC 12G has a TDP of 350 W, which is higher than that of 86% of graphics cards and equal to that of 1.6% of graphics cards.
Power consumption while under peak load
What it is: Peak power draw of the graphics card under maximum load.
When it matters: When transient-heavy gaming loads could stress your power supply.

Importance: LOW

370 W
GIGABYTE GeForce RTX 3080 Gaming OC 12G draws 370 W under peak load, which is higher than 91.7% of graphics cards and equal to 0.3% 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
GIGABYTE GeForce RTX 3080 Gaming OC 12G 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

370 W
GIGABYTE GeForce RTX 3080 Gaming OC 12G has a board power limit of 370 W, which is higher than that of 86.9% 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

320 mm
GIGABYTE GeForce RTX 3080 Gaming OC 12G is 320 mm long, which is longer than 73.3% of graphics cards and equal in length to 1.3% of graphics cards.
Height
What it is: Physical height of the GPU card
When it matters: When side panels, brackets, or tight case layouts reduce vertical clearance.

Importance: LOW

129 mm
GIGABYTE GeForce RTX 3080 Gaming OC 12G is 129 mm tall, which is taller than 53.4% of graphics cards and equal in height to 0.7% of graphics cards.
Slot width
What it is: Number of PCIe slots occupied by the card
When it matters: When you need room for another PCIe card or better airflow under the GPU.

Importance: LOW

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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

1,357 g
GIGABYTE GeForce RTX 3080 Gaming OC 12G weighs 1357 g, which is heavier than 69.2% of graphics cards and equal in weight to 0.2% of graphics cards.
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GIGABYTE GeForce RTX 3080 Gaming OC 12G vs the average graphics card

  • 2.04x higher memory bandwidth
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher memory bandwidth than the average graphics card (912 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher memory bandwidth than the average graphics card (912 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.912 GB/s vs 448 GB/s
  • 30 more compute units
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more compute units than the average graphics card (70 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more compute units than the average graphics card (70 vs 40). The average graphics card has 40 compute units.70 vs 40
  • 48 more ROPs
    GIGABYTE GeForce RTX 3080 Gaming OC 12G 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.112 vs 64
  • 22 more ray tracing cores
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more ray tracing cores than the average graphics card (70 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more ray tracing cores than the average graphics card (70 vs 48). The average graphics card has 48 ray tracing cores.70 vs 48
  • 96 more TMUs
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more TMUs than the average graphics card (280 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more TMUs than the average graphics card (280 vs 184). The average graphics card has 184 TMUs.280 vs 184
  • 128 bit wider memory bus
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a wider memory bus than the average graphics card (384 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
    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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a wider memory bus than the average graphics card (384 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.384 bit vs 256 bit
  • Includes dual BIOS
    GIGABYTE GeForce RTX 3080 Gaming OC 12G includes dual BIOS, the average graphics card does not.
    What it is: Includes dual BIOS for redundancy or overclocking profiles
    When it matters: When you want a safer recovery path after tweaking fan curves or overclock settings, or you need separate quiet and performance profiles.

    Importance: LOW

    GIGABYTE GeForce RTX 3080 Gaming OC 12G includes dual BIOS, the average graphics card does not.
  • 30.4% higher texture rate
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher texture rate than the average graphics card (491.4 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher texture rate than the average graphics card (491.4 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.491.4 GTexel/s vs 376.8 GTexel/s
  • 30 more compute units
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more compute units than the average graphics card (70 vs 40). The average graphics card has 40 compute units.
  • 48 more ROPs
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.
  • 22 more ray tracing cores
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more ray tracing cores than the average graphics card (70 vs 48). The average graphics card has 48 ray tracing cores.
  • 96 more TMUs
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more TMUs than the average graphics card (280 vs 184). The average graphics card has 184 TMUs.
  • 30.4% higher texture rate
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher texture rate than the average graphics card (491.4 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 37.6% higher FP32 performance
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher FP32 performance than the average graphics card (31.5 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 19% higher pixel rate
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher pixel rate than the average graphics card (196.6 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 3.17x higher compute score
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher compute score than the average graphics card (15,047 points vs 4,745 points). The average graphics card has a compute score of 4,745 points.
  • 2.04x higher memory bandwidth
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher memory bandwidth than the average graphics card (912 GB/s vs 448 GB/s). The average graphics card has a memory bandwidth of 448 GB/s.
  • 128 bit wider memory bus
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a wider memory bus than the average graphics card (384 bit vs 256 bit). The average graphics card has a memory bus width of 256 bit.
  • Newer shader model
    GIGABYTE GeForce RTX 3080 Gaming OC 12G supports a newer shader model than the average graphics card (6.9 vs 6.8).
  • More NVENC sessions
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has more concurrent NVENC sessions than the average graphics card (12 vs 8). The average graphics card has 8 concurrent NVENC sessions.
  • Includes dual BIOS
    GIGABYTE GeForce RTX 3080 Gaming OC 12G includes dual BIOS, the average graphics card does not.

Total
Overall
Performance
Memory
Platform & Features
Connectivity & Media
Power & Cooling
  • 29.8% lower boost clock speed
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower boost GPU clock than the average graphics card (1,755 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 34.4% lower base clock speed
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower base GPU clock than the average graphics card (1,260 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
  • 32.1% slower VRAM clock
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower VRAM clock than the average graphics card (1,188 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
  • 81.3% smaller L2 cache
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has fewer L2 cache than the average graphics card (6 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
  • 60% larger process node
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher process node than the average graphics card (8 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
  • 2.06x larger GPU die
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher GPU die size than the average graphics card (628 mm² vs 304.25 mm²). The average graphics card has a GPU die size of 304.25 mm².
  • 1 older
    GIGABYTE GeForce RTX 3080 Gaming OC 12G was released earlier than the average graphics card (2,022 vs 2,023).
  • Older encoder generation
    GIGABYTE GeForce RTX 3080 Gaming OC 12G uses an older encoder generation than the average graphics card (7 vs 8). The average graphics card uses encoder generation 8.
  • No AV1 encoding
    GIGABYTE GeForce RTX 3080 Gaming OC 12G does not support AV1 encoding, the average graphics card does.
  • No 3D output
    GIGABYTE GeForce RTX 3080 Gaming OC 12G does not support 3D output, the average graphics card does.
  • Narrower decode codec support
    GIGABYTE GeForce RTX 3080 Gaming OC 12G supports narrower hardware decode codec support than the average graphics card (H.264 vs H.264/H.265/AV1/VP9).
  • 62.8% higher TDP
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher TDP than the average graphics card (350 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 68.2% higher board power limit
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher board power limit than the average graphics card (370 W vs 220 W). The average graphics card has a board power limit of 220 W.
  • 15.4% higher PSU requirement
    GIGABYTE GeForce RTX 3080 Gaming OC 12G 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.
  • 68.2% higher peak power draw
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher peak power draw than the average graphics card (370 W vs 220 W). The average graphics card has a peak power draw of 220 W.
  • 34.63 mm longer card length
    GIGABYTE GeForce RTX 3080 Gaming OC 12G is longer than the average graphics card (320 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 29.8% lower boost clock speed
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower boost GPU clock than the average graphics card (1,755 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower boost GPU clock than the average graphics card (1,755 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.1755 MHz vs 2500 MHz
  • 34.4% lower base clock speed
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower base GPU clock than the average graphics card (1,260 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.
    What it is: Base operating frequency of the GPU core under standard conditions
    When it matters: When you want to understand the card's guaranteed starting frequency instead of looking only at optimistic boost figures.

    Importance: HIGH

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower base GPU clock than the average graphics card (1,260 MHz vs 1,920 MHz). The average graphics card has a base GPU clock of 1,920 MHz.1260 MHz vs 1920 MHz
  • 60% larger process node
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher process node than the average graphics card (8 nm vs 5 nm). The average graphics card uses a process node of 5 nm.
    What it is: Size of the manufacturing process in nanometers
    When it matters: When process node differences may affect power, heat, and overall efficiency.

    Importance: MEDIUM

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher process node than the average graphics card (8 nm vs 5 nm). The average graphics card uses a process node of 5 nm.8 nm vs 5 nm
  • 62.8% higher TDP
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher TDP than the average graphics card (350 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher TDP than the average graphics card (350 W vs 215 W). The average graphics card has a TDP of 215 W.350 W vs 215 W
  • No AV1 encoding
    GIGABYTE GeForce RTX 3080 Gaming OC 12G does not support AV1 encoding, the average graphics card does.
    What it is: Supports hardware encoding of AV1 video codec
    When it matters: When you stream or export video and want efficient AV1 encoding on the GPU.

    Importance: LOW

    GIGABYTE GeForce RTX 3080 Gaming OC 12G does not support AV1 encoding, the average graphics card does.No vs yes
  • 32.1% slower VRAM clock
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower VRAM clock than the average graphics card (1,188 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.
    What it is: Speed at which the GPU memory operates
    When it matters: When you want more context on how quickly the card's VRAM can move data.

    Importance: LOW

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a lower VRAM clock than the average graphics card (1,188 MHz vs 1,750 MHz). The average graphics card runs its VRAM at 1,750 MHz.1188 MHz vs 1750 MHz
  • 68.2% higher board power limit
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher board power limit than the average graphics card (370 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

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has a higher board power limit than the average graphics card (370 W vs 220 W). The average graphics card has a board power limit of 220 W.370 W vs 220 W
  • 81.3% smaller L2 cache
    GIGABYTE GeForce RTX 3080 Gaming OC 12G has fewer L2 cache than the average graphics card (6 MB vs 32 MB). The average graphics card has 32 MB L2 cache.
    What it is: Total size of the GPU’s L2 cache memory
    When it matters: When cache size can help the GPU feed data faster in demanding scenes.

    Importance: LOW

    GIGABYTE GeForce RTX 3080 Gaming OC 12G has fewer L2 cache than the average graphics card (6 MB vs 32 MB). The average graphics card has 32 MB L2 cache.6 MB vs 32 MB
Total
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Connectivity & Media
Power & Cooling
Design

Graphic comparison of GIGABYTE GeForce RTX 3080 Gaming OC 12G and

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Third-party reviews

United Kingdom
amazon
4.6
191 Reviews
amazon
4.3
55 Reviews
United States
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4.5
200 Reviews
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4.3
54 Reviews

(Reviews last updated: June 2026)

What customers like about GIGABYTE GeForce RTX 3080 Gaming OC 12G?

  • Exceptional 1440p and 4K gaming performance, often rivaling more expensive cards like the 3080 Ti.
  • Highly efficient Windforce 3X cooling system that maintains low operating temperatures (typically mid-60s°C) even under load.
  • The 12GB of VRAM and 384-bit bus provide better longevity and higher memory bandwidth than the original 10GB model.
  • Extended 4-year manufacturer warranty (with registration) offers significant peace of mind over competitors.
  • Solid build quality featuring a protective metal backplate and dual BIOS options for silent operation.
  • Quiet fan operation during non-intensive tasks thanks to the semi-passive 3D Active Fan design.

What customers dislike about GIGABYTE GeForce RTX 3080 Gaming OC 12G?

  • Massive physical dimensions (over 320mm long and 3-slot thick) make it difficult to fit in smaller or even some mid-tower cases.
  • High initial MSRP and historical price markups compared to the base 10GB variant.
  • Gigabyte's RGB Fusion software is frequently criticized by users for being buggy or difficult to use.
  • Significant power requirements, necessitating a high-quality power supply to avoid system crashes.
  • Minimal RGB lighting features compared to other premium custom cards like the Aorus series.
  • Some users reported minor 'coil whine' during high-intensity gaming sessions.

Expert reviews

G
guru3d.com
02/06/2021
Gigabyte GeForce RTX 3080 Ti Gaming OC review (Closest technical architecture comparison)

The Guru3D Gigabyte GeForce RTX 3080 Ti Gaming OC review highlights a highly capable enthusiast-grade graphics card that bridges the performance gap between the standard RTX 3080 and the flagship RTX 3090. Built on NVIDIA's 8nm Ampere architecture, the card features 10,240 shader processors and 12 GB of fast GDDR6X memory running at 19 Gbps, making it a powerhouse for high-end 4K...Read more

E
eteknix.com
14/10/2020
Gigabyte RTX 3080 Gaming OC Graphics Card Review (Base design reference)

The Gigabyte RTX 3080 Gaming OC Graphics Card Review evaluates the performance and features of this Ampere-architecture GPU, which is positioned as the ideal "sweet spot" for modern enthusiast gamers seeking next-generation 4K performance. Built on Nvidia Ampere Streaming Multiprocessors, the card features 2nd Generation RT Cores, 3rd Generation Tensor Cores, and 10GB of GDDR6X...Read more

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