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INNO3D GeForce RTX 4080 X3 OC Review | 118 Data compared

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  • Avg. price in UK: ~£1,210
  • Avg. price in US: ~$1,200
  • VRAM: 16 GB
  • Memory bus width: 256 bit
  • Thermal Design Power (TDP): 320 W

INNO3D GeForce RTX 4080 X3 OC review. Compare 118 technical specifications and user reviews to see how it ranks among graphics cards and if it is worth buying.

8.3

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%

8.4

Technical Score

10.0%

6.7

User score

Excellent
8.4

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%

9.2

Performance

24.0%

7.3

Memory

12.0%

7.8

Power & Cooling

11.0%

9.5

Platform & Features

5.0%

5.8

Design

4.0%

9.4

Connectivity & Media

Excellent
6.7

User score

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

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

Score components:

70.0%

9.0

User reviews

30.0%

1.2

Popularity

User score:
United Kingdom
amazon
4.5
(2)
United States
Amazon_logo.png
4.5
(2)

(Reviews last updated: June 2026)

Good
  • 8.2
    Gaming

    Score components:

    45.0%

    9.5

    Floating-point performance

    25.0%

    5.2

    VRAM

    20.0%

    8.9

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.3
    Video editing

    Score components:

    35.0%

    10

    AV1 encode

    30.0%

    5.2

    VRAM

    20.0%

    9.5

    Floating-point performance

    15.0%

    8.8

    PCI Express (PCIe) version

  • 8.3
    1080p

    Score components:

    55.0%

    9.5

    Floating-point performance

    25.0%

    5.2

    VRAM

    10.0%

    8.9

    Ray tracing cores / units

    10.0%

    8.8

    PCI Express (PCIe) version

  • 8.1
    1440p

    Score components:

    50.0%

    9.5

    Floating-point performance

    30.0%

    5.2

    VRAM

    15.0%

    8.9

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

  • 7.8
    4K

    Score components:

    40.0%

    9.5

    Floating-point performance

    35.0%

    5.2

    VRAM

    20.0%

    8.9

    Ray tracing cores / units

    5.0%

    8.8

    PCI Express (PCIe) version

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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 Inno3D GeForce RTX 4080 X3 OC is a high-performance graphics card built on the NVIDIA Ada Lovelace architecture, featuring 9,728 CUDA cores and 16GB of GDDR6X VRAM on a 256-bit bus. This factory-overclocked model reaches a boost clock of 2,535 MHz and a memory bandwidth of 717 GB/s, housed in a substantial triple-slot design with three 98mm axial fans and a large copper base for enhanced thermal management. Key pros include exceptional 4K gaming and ray-tracing performance, a relatively quiet triple-fan cooling system, and included functional extras like a dedicated GPU stand. However, potential cons include its significant 328mm length which may challenge smaller cases, a lack of dual-BIOS support, and a power limit locked at 100% which may restrict enthusiast-level manual overclocking.

Technical Specifications of INNO3D GeForce RTX 4080 X3 OC

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%

9.2

Performance

24.0%

7.3

Memory

12.0%

7.8

Power & Cooling

11.0%

9.5

Platform & Features

5.0%

5.8

Design

4.0%

9.4

Connectivity & Media

8.4
INNO3D GeForce RTX 4080x3 OC has a technical score of 8.45 points, which is higher than that of 89.6% 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%

9.0

User reviews

30.0%

1.2

Popularity

User score:
United Kingdom
amazon
4.5
(2)
United States
Amazon_logo.png
4.5
(2)

(Reviews last updated: June 2026)

6.7
INNO3D GeForce RTX 4080x3 OC has a user score of 6.67 points, which is lower than that of 95.1% 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.
1.2
INNO3D GeForce RTX 4080x3 OC has a popularity of 1.2 points, which is lower than 54.7% 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%

8.3

Overall score

40.0%

4.1

Price

7.0
INNO3D GeForce RTX 4080x3 OC has a quality-to-price ratio of 7 points, which is higher than 61% of products in this category.
3DMark Time Spy benchmark score
What it is: Benchmark result from 3DMark Time Spy, a synthetic DirectX 12 test often used as a quick gaming-performance reference.
When it matters: When you need a fast rough performance sort before digging into game-specific reviews and frame-rate data.

Importance: LOW

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3DMark Port Royal score
What it is: Benchmark result from 3DMark Port Royal, a synthetic test focused on ray tracing performance.
When it matters: When ray tracing matters in the games you actually play and you want one quick way to separate stronger and weaker RT cards.

Importance: LOW

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PassMark (G3D) result
What it is: Overall GPU performance score in PassMark G3D benchmark
When it matters: When you need one broad score to sort cards into rough performance tiers.

Importance: LOW

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

Importance: LOW

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

Importance: LOW

49.32 TFLOPS
INNO3D GeForce RTX 4080x3 OC delivers 49.32 TFLOPS floating-point performance, which is higher than that of 81.9% of graphics cards and equal to that of 0.4% 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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

1.4
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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

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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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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
INNO3D GeForce RTX 4080x3 OC 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

320 W
INNO3D GeForce RTX 4080x3 OC has a board power limit of 320 W, which is higher than that of 75.4% of graphics cards and equal to that of 4.6% of graphics cards.
PCIe power spec
What it is: PCIe power delivery specification followed
When it matters: When you are checking whether the slot and external cables match the card's intended power-delivery standard.

Importance: LOW

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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

328 mm
INNO3D GeForce RTX 4080x3 OC is 328 mm long, which is longer than 78.9% of graphics cards and equal in length to 0.5% 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

137 mm
INNO3D GeForce RTX 4080x3 OC is 137 mm tall, which is taller than 71.3% of graphics cards and equal in height to 1.4% 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 slot/s
INNO3D GeForce RTX 4080x3 OC occupies 3 slot/s, which is wider than 69.8% of graphics cards and equal in width to 16.6% 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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INNO3D GeForce RTX 4080 X3 OC vs the average graphics card

  • 36 more compute units
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC has more compute units than the average graphics card (76 vs 40). The average graphics card has 40 compute units.76 vs 40
  • 2.05x higher texture rate
    INNO3D GeForce RTX 4080x3 OC has a higher texture rate than the average graphics card (770.6 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

    INNO3D GeForce RTX 4080x3 OC has a higher texture rate than the average graphics card (770.6 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.770.6 GTexel/s vs 376.8 GTexel/s
  • 48 more ROPs
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC 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
  • 71.9% higher pixel rate
    INNO3D GeForce RTX 4080x3 OC has a higher pixel rate than the average graphics card (283.9 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

    INNO3D GeForce RTX 4080x3 OC has a higher pixel rate than the average graphics card (283.9 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.283.9 GPixel/s vs 165.2 GPixel/s
  • 2.16x higher FP32 performance
    INNO3D GeForce RTX 4080x3 OC has a higher FP32 performance than the average graphics card (49.3 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
    What it is: Single-precision floating-point performance in TFLOPs
    When it matters: When rendering, AI, or heavy compute work needs strong single-precision throughput.

    Importance: MEDIUM

    INNO3D GeForce RTX 4080x3 OC has a higher FP32 performance than the average graphics card (49.3 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.49.32 TFLOPS vs 22.86 TFLOPS
  • 36 more compute units
    INNO3D GeForce RTX 4080x3 OC has more compute units than the average graphics card (76 vs 40). The average graphics card has 40 compute units.
  • 2.05x higher texture rate
    INNO3D GeForce RTX 4080x3 OC has a higher texture rate than the average graphics card (770.6 GTexel/s vs 376.8 GTexel/s). The average graphics card has a texture rate of 376.8 GTexel/s.
  • 48 more ROPs
    INNO3D GeForce RTX 4080x3 OC has more ROPs than the average graphics card (112 vs 64). The average graphics card has 64 ROPs.
  • 28 more ray tracing cores
    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC has more TMUs than the average graphics card (304 vs 184). The average graphics card has 184 TMUs.
  • 71.9% higher pixel rate
    INNO3D GeForce RTX 4080x3 OC has a higher pixel rate than the average graphics card (283.9 GPixel/s vs 165.2 GPixel/s). The average graphics card has a pixel rate of 165.2 GPixel/s.
  • 2.16x higher FP32 performance
    INNO3D GeForce RTX 4080x3 OC has a higher FP32 performance than the average graphics card (49.3 TFLOPS vs 22.86 TFLOPS). The average graphics card has FP32 performance of 22.86 TFLOPS.
  • 112 more AI cores
    INNO3D GeForce RTX 4080x3 OC has more AI cores than the average graphics card (304 vs 192). The average graphics card has 192 AI cores.
  • 14.8% higher base clock speed
    INNO3D GeForce RTX 4080x3 OC 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.
  • 1.4% higher boost clock speed
    INNO3D GeForce RTX 4080x3 OC has a higher boost GPU clock than the average graphics card (2,535 MHz vs 2,500 MHz). The average graphics card has a boost GPU clock of 2,500 MHz.
  • 5,376 more FP32 units
    INNO3D GeForce RTX 4080x3 OC has more FP32 units than the average graphics card (9,728 vs 4,352). The average graphics card has 4,352 FP32 units.
  • 2.13x higher compute throughput
    INNO3D GeForce RTX 4080x3 OC has a higher compute throughput than the average graphics card (49.3 TFLOPS vs 23.105 TFLOPS). The average graphics card has compute throughput of 23.105 TFLOPS.
  • 60% higher memory bandwidth
    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC has more VRAM than the average graphics card (16 GB vs 12 GB). The average graphics card has 12 GB VRAM.
  • Supports ECC memory
    INNO3D GeForce RTX 4080x3 OC supports ECC memory, the average graphics card does not.
  • 17.9% faster memory speed
    INNO3D GeForce RTX 4080x3 OC has a higher effective memory speed than the average graphics card (22,400 MHz vs 19,000 MHz). The average graphics card reaches an effective memory speed of 19,000 MHz.
  • 2x larger L2 cache
    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC 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
    INNO3D GeForce RTX 4080x3 OC 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
  • 20% slower VRAM clock
    INNO3D GeForce RTX 4080x3 OC 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.
  • 1 older
    INNO3D GeForce RTX 4080x3 OC was released earlier than the average graphics card (2,022 vs 2,023).
  • 48.8% higher TDP
    INNO3D GeForce RTX 4080x3 OC has a higher TDP than the average graphics card (320 W vs 215 W). The average graphics card has a TDP of 215 W.
  • 15.4% higher PSU requirement
    INNO3D GeForce RTX 4080x3 OC 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 board power limit
    INNO3D GeForce RTX 4080x3 OC has a higher board power limit than the average graphics card (320 W vs 220 W). The average graphics card has a board power limit of 220 W.
  • 45.5% higher peak power draw
    INNO3D GeForce RTX 4080x3 OC 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 slot/s wider design
    INNO3D GeForce RTX 4080x3 OC occupies more slots than the average graphics card (3 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.
  • 42.63 mm longer card length
    INNO3D GeForce RTX 4080x3 OC is longer than the average graphics card (328 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.
  • 10 mm higher card profile
    INNO3D GeForce RTX 4080x3 OC is taller than the average graphics card (137 mm vs 127 mm). The average graphics card has a height of 127 mm.
  • 1 slot/s wider design
    INNO3D GeForce RTX 4080x3 OC occupies more slots than the average graphics card (3 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

    INNO3D GeForce RTX 4080x3 OC occupies more slots than the average graphics card (3 slot/s vs 2 slot/s). The average graphics card occupies 2 slot/s.3 slot/s vs 2 slot/s
  • 48.8% higher TDP
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC 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
  • 42.63 mm longer card length
    INNO3D GeForce RTX 4080x3 OC is longer than the average graphics card (328 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

    INNO3D GeForce RTX 4080x3 OC is longer than the average graphics card (328 mm vs 285.37 mm). The average graphics card has a length of 285.37 mm.328 mm vs 285.37 mm
  • 15.4% higher PSU requirement
    INNO3D GeForce RTX 4080x3 OC 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

    INNO3D GeForce RTX 4080x3 OC 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
  • 20% slower VRAM clock
    INNO3D GeForce RTX 4080x3 OC 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.
    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

    INNO3D GeForce RTX 4080x3 OC 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.1400 MHz vs 1750 MHz
  • 2.28x more expensive
    INNO3D GeForce RTX 4080x3 OC is more expensive than the average graphics card (£1,210 vs £530).
    INNO3D GeForce RTX 4080x3 OC is more expensive than the average graphics card (£1,210 vs £530).£1,210 vs £530
  • 45.5% higher board power limit
    INNO3D GeForce RTX 4080x3 OC has a higher board power limit than the average graphics card (320 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

    INNO3D GeForce RTX 4080x3 OC has a higher board power limit than the average graphics card (320 W vs 220 W). The average graphics card has a board power limit of 220 W.320 W vs 220 W
  • 10 mm higher card profile
    INNO3D GeForce RTX 4080x3 OC is taller than the average graphics card (137 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

    INNO3D GeForce RTX 4080x3 OC is taller than the average graphics card (137 mm vs 127 mm). The average graphics card has a height of 127 mm.137 mm vs 127 mm
Total
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Memory
Platform & Features
Power & Cooling
Design

Graphic comparison of INNO3D GeForce RTX 4080 X3 OC and

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Third-party reviews

United Kingdom
amazon
4.5
2 Reviews
United States
Amazon_logo.png
4.5
2 Reviews

(Reviews last updated: June 2026)

What customers like about INNO3D GeForce RTX 4080 X3 OC?

  • Excellent 4K and 1440p gaming performance with strong ray-tracing capabilities.
  • Exceptional power efficiency, often cited as one of the most energy-efficient cards in its class.
  • Slim two-slot design, making it a viable option for smaller chassis compared to 3- or 4-slot competitors.
  • Quiet operation under typical load despite the lack of a vapor chamber.
  • Effective cooling for both GPU and GDDR6X memory using a nickel-plated copper base plate.
  • Clean, minimal aesthetic with a high-quality metal shroud and backplate.

What customers dislike about INNO3D GeForce RTX 4080 X3 OC?

  • Poor value proposition due to its high MSRP compared to the previous generation's 80-series cards.
  • Locked power limit (100%) prevents significant manual overclocking for enthusiasts.
  • Lacks a dual BIOS switch, which is often expected for a card at this price point.
  • Significant length (337mm) may still cause clearance issues in some compact SFF cases.
  • Plastic elements in the shroud and less robust power phases compared to higher-end AIB models.

Expert reviews

K
kitguru.net
25/11/2022
Inno3D RTX 4080 iChill X3 Review - KitGuru

The KitGuru review of the Inno3D RTX 4080 iChill X3 highlights a uniquely engineered partner card that earns a "Worth Considering" award due to its strong baseline metrics. It stands out as the first reviewed Ada Lovelace card from the outlet that completely ditches a vapor chamber cooling system, opting instead for a massive nickel-plated copper base plate paired with eight premium...Read more

P
profesionalreview.com
31/01/2024
Inno3D RTX 4080 Super X3 Review en Español (Análisis)

The Inno3D RTX 4080 Super X3 is a high-end graphics card powered by the Ada Lovelace AD103 architecture, designed to deliver exceptional 4K gaming performance and content creation capabilities via its dual AV1 encoders. Operating at a reference boost frequency of 2550 MHz (reaching up to 2760 MHz under stress), it features 16 GB of GDDR6X memory with an upgraded 736 GB/s bandwidth....Read more

(Translated)Show original
T
techgaming.nl
31/01/2024
Review: Inno3D RTX 4080 SUPER X3 - TechGaming (Note: Covers the Super X3 variant, which replaced this model)

Inno3D RTX 4080 SUPER X3 The Inno3D RTX 4080 SUPER X3 stands out as the slimmest air-cooled RTX 4080 SUPER on the market, measuring just 4 cm thick (exactly two PCIe slots). While its length (33.7 cm) and height (14.1 cm) remain large, its slim profile makes it uniquely suited for specific compact PC builds where air supply might otherwise be restricted. Out of the box, the card...Read more

(Translated)Show original

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