GPU Comparison

The NVIDIA GeForce RTX 4090 is the definitive performance leader in this comparison, winning all ten head-to-head benchmark matchups against the RTX 4080, with an average benchmark score of 60,347 versus 54,247. The RTX 4090’s most decisive advantage comes in synthetic ray-tracing and compute workloads, where it leads by as much as 40.4%, while the RTX 4080 remains a capable high-end card that trails by single digits in several legacy DirectX tests. Data indicates the RTX 4090 sits at the 88th percentile among all GPUs, while the RTX 4080 sits at the 86th percentile, a narrow gap that underscores how close these two Ada Lovelace parts are in overall standing despite the former’s clear performance edge.

FAQ

Q: Which card wins more benchmarks according to the data?

A: The NVIDIA GeForce RTX 4090 wins all 10 head-to-head tests against the RTX 4080, with zero wins for the RTX 4080. The RTX 4090’s largest victory is a 40.4% delta in 3DMark Steel Nomad DX12, while its smallest is a 3% delta in Geekbench Vulkan.

Q: What is the average benchmark score difference between the two?

A: The RTX 4090 has an average benchmark score of 60,347, while the RTX 4080 averages 54,247. This represents a roughly 11% advantage for the RTX 4090 in aggregate performance across all tested workloads.

Q: How do the two cards compare in compute-heavy workloads?

A: The RTX 4090 leads by 28.7% in Passmark GPU Compute (26,613 vs 20,671) and by 18.9% in Geekbench OpenCL (255,416 vs 214,739). These results indicate a substantial edge for the RTX 4090 in non-graphics compute tasks.

Q: Are there any tests where the RTX 4080 is competitive?

A: Yes, the RTX 4080 comes closest in Geekbench Vulkan, where it scores 263,779 against the RTX 4090’s 271,631, a 3% gap. It also trails by only 3.8% in Passmark DirectX 11 (314 vs 326) and 4.8% in Passmark G2D (1,239 vs 1,299).

Q: What is the percentile ranking for each card?

A: The RTX 4090 ranks in the 88th percentile of all GPUs, while the RTX 4080 ranks in the 86th percentile. This places both cards among the top tier of graphics hardware, with the RTX 4090 sitting slightly higher overall.

Q: Which card has a higher launch MSRP?

A: The RTX 4090 has a launch MSRP of 1,599 USD, while the RTX 4080 has a launch MSRP of 1,199 USD. The RTX 4090’s higher launch MSRP aligns with its superior benchmark scores across the board.

Architecture Differences

Both cards are built on NVIDIA’s Ada Lovelace architecture and use TSMC’s 5 nm process node, but they diverge significantly in chip configuration. The RTX 4090 uses the AD102 chip with 76,300 million transistors on a 609 mm² die, while the RTX 4080 uses the AD103 chip with 45,900 million transistors on a 379 mm² die. This gives the RTX 4090 a higher transistor density of 125.3M per mm² compared to the RTX 4080’s 121.1M per mm².

The compute resource gap is substantial. The RTX 4090 packs 16,384 shading units, 512 TMUs, and 176 ROPs, while the RTX 4080 has 9,728 shading units, 304 TMUs, and 112 ROPs. Ray tracing and tensor core counts follow the same pattern: the RTX 4090 has 128 RT cores and 512 tensor cores, versus 76 RT cores and 304 tensor cores on the RTX 4080. Clock speeds are close, with the RTX 4090 boosting to 2520 MHz and the RTX 4080 to 2505 MHz, meaning the performance gap stems primarily from the larger chip rather than higher clocks.

Memory architecture also differs. The RTX 4090 features 24 GB of GDDR6X on a 384-bit bus, delivering 1.01 TB/s of bandwidth, while the RTX 4080 has 16 GB of GDDR6X on a 256-bit bus, yielding 716.8 GB/s. The RTX 4090’s memory runs at 21 Gbps effective, while the RTX 4080’s runs slightly faster at 22.4 Gbps effective, but the wider bus gives the RTX 4090 a decisive bandwidth advantage. Both cards share the same PCIe 4.0 x16 interface, triple-slot cooling, 1x 16-pin power connector, and display outputs (1x HDMI 2.1, 3x DisplayPort 1.4a).

Where Each One Wins

The RTX 4090 wins every single benchmark in the data, so the question is not which card wins but where each card’s strengths are most pronounced. The RTX 4090 dominates in modern, demanding workloads: its 40.4% lead in 3DMark Steel Nomad DX12 indicates a major advantage in current-generation DirectX 12 gaming and ray-tracing scenarios. Compute-heavy tasks also favor the RTX 4090 heavily, with a 28.7% edge in Passmark GPU Compute and an 18.9% lead in Geekbench OpenCL, making it the clear choice for GPU-accelerated productivity and rendering workloads.

The RTX 4080, while never winning, shows its most competitive results in legacy and API-specific tests. Its smallest deficits come in Geekbench Vulkan (3% behind) and Passmark DirectX 11 (3.8% behind), suggesting that in Vulkan-based games and older DirectX 11 titles, the RTX 4080 can nearly match the RTX 4090’s performance. The RTX 4080 also trails by just 4.8% in Passmark G2D, a 2D graphics test, where memory bandwidth and raw compute matter less. For users targeting 1440p or 4K gaming in less demanding titles, the RTX 4080 offers near-flagship performance at a lower launch MSRP, but the data does not show any workload where it surpasses the RTX 4090.

Specification Differences

The two cards differ in nearly every core specification. The RTX 4090 has a larger chip (AD102 vs AD103), more transistors (76,300 million vs 45,900 million), and a bigger die (609 mm² vs 379 mm²). Shading units are 16,384 on the RTX 4090 versus 9,728 on the RTX 4080, with proportional differences in TMUs (512 vs 304), ROPs (176 vs 112), RT cores (128 vs 76), and tensor cores (512 vs 304).

Base and boost clocks are slightly higher on the RTX 4090 (2235 MHz base, 2520 MHz boost) versus the RTX 4080 (2205 MHz base, 2505 MHz boost). Memory capacity and bandwidth favor the RTX 4090: 24 GB vs 16 GB, 384-bit vs 256-bit bus, and 1.01 TB/s vs 716.8 GB/s. The RTX 4080 has a faster effective memory speed of 22.4 Gbps versus 21 Gbps, but this does not compensate for the narrower bus. Power requirements also differ, with the RTX 4090 rated at 450 W TDP and an 850 W suggested PSU, while the RTX 4080 is rated at 320 W TDP and a 700 W suggested PSU. Physically, the RTX 4090 is slightly shorter (304 mm vs 310 mm) and shorter in height (137 mm vs 140 mm), but both share the same 61 mm width and triple-slot design.

Head-to-Head Benchmarks

The most decisive result is in 3DMark Steel Nomad DX12, where the RTX 4090 scores 9,223 against the RTX 4080’s 6,567, a 40.4% advantage. This is the single largest delta in the entire benchmark suite and highlights how much faster the RTX 4090 is in modern DirectX 12 ray-tracing workloads. Compute performance follows a similar trend: Passmark GPU Compute shows the RTX 4090 at 26,613 versus 20,671, a 28.7% lead, while Geekbench OpenCL shows 255,416 versus 214,739, an 18.9% gap. These compute results suggest the RTX 4090’s larger shader and tensor core counts translate directly into faster processing for non-graphics tasks.

In rasterization-focused tests, the RTX 4090 maintains a solid but less dramatic lead. Passmark G3D scores 38,194 for the RTX 4090 versus 34,457 for the RTX 4080, a 10.8% advantage. Passmark DirectX 12 shows a 13.6% lead (150 vs 132), while DirectX 10 and DirectX 9 show smaller gaps of 9.8% (224 vs 204) and 7.3% (397 vs 370), respectively. The narrowest margins appear in API-agnostic or legacy tests: Geekbench Vulkan has the RTX 4090 at 271,631 versus 263,779, just a 3% difference, and Passmark DirectX 11 is nearly as close at 3.8% (326 vs 314). Passmark G2D rounds out the results with a 4.8% edge for the RTX 4090 (1,299 vs 1,239). Across all tests, the RTX 4090’s win margin correlates with workload intensity: the more demanding the task, the larger the gap.

The Verdict

The data is unambiguous: the NVIDIA GeForce RTX 4090 is the superior card in every measured category, winning all 10 head-to-head benchmarks and posting a higher average score of 60,347 versus 54,247. Its biggest advantages come in modern DirectX 12 and compute workloads, where the 40.4% and 28.7% leads respectively make it the clear pick for users prioritizing ray-traced gaming, 3D rendering, or GPU compute tasks. The RTX 4090’s 88th percentile ranking versus the RTX 4080’s 86th percentile reflects this edge, though the gap in overall standing is smaller than the raw benchmark deltas might suggest.

For users who need maximum performance and are willing to accommodate a 450 W TDP with an 850 W suggested PSU, the RTX 4090 is the definitive choice. Its 24 GB memory and 1.01 TB/s bandwidth also provide more headroom for large datasets and high-resolution textures. The RTX 4080 remains a strong option for those who want Ada Lovelace features at a lower launch MSRP of 1,199 USD, and its performance in Vulkan and DirectX 11 titles is within 3-4% of the RTX 4090, making it nearly as capable in those specific scenarios. However, the RTX 4080’s 16 GB memory and 716.8 GB/s bandwidth, combined with a 320 W TDP and 700 W suggested PSU, position it as a high-end card that trades measurable performance for lower power requirements. Strictly from the data, the RTX 4090 wins on performance, while the RTX 4080 wins on efficiency and price, but no benchmark shows the RTX 4080 ahead.