GPU Comparison

The NVIDIA Quadro RTX 6000 and NVIDIA GeForce RTX 5090 represent two distinct eras of NVIDIA’s GPU design, separated by nearly seven years of architectural evolution. The Quadro RTX 6000, built on the Turing architecture and aimed at professional workstations, launched in August 2018. The RTX 5090, based on Blackwell 2.0 and targeting the high-end consumer market, arrived in January 2025. The benchmark data available for direct comparison is limited to two tests, but the results are decisive. In Geekbench OpenCL, the RTX 5090 scores 334,370 against the Quadro’s 74,179, a delta of -77.8% from the RTX 5090’s perspective. In Geekbench Vulkan, the RTX 5090 posts 376,728 versus 129,564, a -65.6% delta. The RTX 5090 wins both head-to-head tests, while the Quadro RTX 6000 records zero wins.

Head-to-Head Benchmarks

The direct comparison between these two GPUs is stark, with the RTX 5090 dominating both available benchmark metrics. In Geekbench OpenCL, the RTX 5090 achieves a score of 334,370, while the Quadro RTX 6000 manages only 74,179. This represents a performance gap of 77.8% in favor of the RTX 5090, meaning the newer card delivers over four times the compute throughput in this specific test. The OpenCL benchmark typically stresses raw compute and memory bandwidth, areas where the RTX 5090’s newer architecture and specifications shine.

The Geekbench Vulkan test tells a similar story, though the margin is slightly narrower. The RTX 5090 scores 376,728, while the Quadro RTX 6000 reaches 129,564. The delta here is 65.6%, still a commanding lead for the RTX 5090. Vulkan is often more representative of gaming and real-time graphics workloads, and the RTX 5090’s advantage suggests it handles modern API overhead more efficiently. The Quadro RTX 6000’s Turing architecture supports Vulkan 1.4, but its older design lacks the optimizations found in Blackwell 2.0.

Looking at the broader benchmark context, the RTX 5090’s average benchmark score across all its tests is 79,842, which places it in the 92nd percentile of all GPUs. The Quadro RTX 6000, with an average score of 101,872, sits in the 94th percentile. This is an interesting inversion: the Quadro has a higher percentile rank despite losing both direct head-to-head tests. The reason lies in the benchmark suites each card was tested with. The RTX 5090’s test list includes Passmark DirectX 9 through 12 scores that are comparatively low (ranging from 185 to 395), which drag down its average. The Quadro RTX 6000 only has two benchmark entries, both of which are relatively strong for its era.

The nearest rivals for each card further illustrate their positioning. The Quadro RTX 6000’s closest competitor is the AMD Radeon RX 7900M, which averages 97,487, a 4.5% delta from the Quadro’s 101,872. It also edges out the AMD Radeon Pro VII (97,131, 4.9% delta) but trails the AMD Radeon Pro Vega II Duo (106,750, -4.6% delta) and the AMD Radeon Pro W6600X (107,342, -5.1% delta). The RTX 5090, meanwhile, is most closely matched by the NVIDIA Tesla P100 PCIe 16 GB, which averages 79,605, a mere 0.3% delta. The Tesla P100 PCIe 12 GB (79,396, 0.6% delta) and AMD Radeon RX 6850M XT (78,940, 1.1% delta) are also near, while the AMD Radeon Pro Vega 64X (80,959, -1.4% delta) sits slightly ahead. These rival comparisons show that the Quadro RTX 6000’s average score is buoyed by its limited test set, while the RTX 5090’s average is pulled down by Passmark’s older DirectX tests that may not fully utilize its hardware.

The Verdict

Based strictly on the available benchmark data, the NVIDIA GeForce RTX 5090 is the clear winner in raw compute performance. It delivers a 77.8% higher OpenCL score and a 65.6% higher Vulkan score than the Quadro RTX 6000. For any workload that relies on these APIs, whether content creation, scientific computing, or modern gaming, the RTX 5090 is substantially faster. The data shows no scenario in the head-to-head tests where the Quadro RTX 6000 comes out ahead; it wins zero of the two direct comparisons.

However, the choice between these cards depends on the user’s context. The Quadro RTX 6000 is an end-of-life workstation product with a launch MSRP of 6,299 USD. It targets professional environments where stability, certified drivers, and specific workstation features matter more than raw speed. Its 24 GB of GDDR6 memory and 384-bit bus provide 672.0 GB/s of bandwidth, which is ample for many professional applications. The RTX 5090, with a launch MSRP of 1,999 USD, offers 32 GB of GDDR7 memory on a 512-bit bus, delivering 1.79 TB/s of bandwidth, more than double the Quadro’s throughput. For users who need maximum compute performance and are willing to accept a consumer-grade card, the RTX 5090 is the obvious pick from the data.

For those specifically requiring workstation-class features like the Quadro’s 1x USB Type-C output or its 1x 6-pin + 1x 8-pin power connectors, the RTX 5090’s single 16-pin connector and different display outputs (1x HDMI 2.1b, 3x DisplayPort 2.1b) may be a consideration. But in terms of benchmark scores, the RTX 5090 is unequivocally superior. The Quadro RTX 6000’s 94th percentile ranking versus the RTX 5090’s 92nd percentile is a reflection of test methodology, not actual performance parity. The verdict from the data is simple: the RTX 5090 wins on performance, while the Quadro RTX 6000’s only advantages lie in its professional pedigree and legacy connectivity.

Architecture Differences

The architectural gap between these two GPUs is immense. The Quadro RTX 6000 uses the TU102 chip on TSMC’s 12 nm process, packing 18,600 million transistors into a 754 mm² die. The RTX 5090 employs the GB202 chip on a 5 nm process, with 92,200 million transistors in a slightly smaller 750 mm² die. This translates to a transistor density of 24.7M per mm² for the Quadro versus 122.9M per mm² for the RTX 5090, a fivefold increase in density. The RTX 5090’s architecture, Blackwell 2.0, succeeds the Turing architecture of the Quadro, which itself was the predecessor to Workstation Ampere.

Core counts differ dramatically. The Quadro RTX 6000 features 4,608 shading units, 288 texture mapping units, and 96 raster output pipelines. The RTX 5090 has 21,760 shading units, 680 TMUs, and 176 ROPs. This gives the RTX 5090 more than four times the shading units and nearly 2.4 times the ROPs. Ray tracing hardware also scales up: the Quadro has 72 RT cores and 576 tensor cores, while the RTX 5090 has 170 RT cores and 680 tensor cores. The tensor core count increase is modest compared to shading units, but the RT core count more than doubles.

Clock speeds are another differentiator. The Quadro RTX 6000 runs at a base clock of 1440 MHz and boosts to 1770 MHz. The RTX 5090 operates at a 2017 MHz base and 2407 MHz boost, a significant uplift. Memory architecture also evolved: the Quadro uses 24 GB of GDDR6 at 1750 MHz (14 Gbps effective) on a 384-bit bus, yielding 672.0 GB/s bandwidth. The RTX 5090 uses 32 GB of GDDR7 at 1750 MHz (28 Gbps effective) on a 512-bit bus, delivering 1.79 TB/s, over 2.6 times the bandwidth. The memory type change from GDDR6 to GDDR7 is a key generational leap.

Compute throughput reflects the combined effects of more cores and higher clocks. The Quadro RTX 6000 delivers 16.31 TFLOPS of FP32 performance and 32.62 TFLOPS of FP16 (2:1 ratio). The RTX 5090 achieves 104.8 TFLOPS for both FP32 and FP16, with a 1:1 ratio, meaning it does not halve its FP16 rate. Pixel and texture rates also favor the RTX 5090: 423.6 GPixel/s versus 169.9 GPixel/s for pixel fill, and 1,636.8 GTexel/s versus 509.8 GTexel/s for texture fill. The RTX 5090’s power draw is higher at 575 W versus 260 W, and it requires a 950 W suggested PSU versus 600 W for the Quadro.

Interface and connectivity differ as well. The Quadro RTX 6000 uses PCIe 3.0 x16, while the RTX 5090 uses PCIe 5.0 x16. Display outputs are different: the Quadro offers 4x DisplayPort 1.4a and 1x USB Type-C, while the RTX 5090 has 1x HDMI 2.1b and 3x DisplayPort 2.1b. Both cards are dual-slot, but the RTX 5090 is longer at 304 mm versus 267 mm, taller at 137 mm versus 111 mm, and has a defined width of 40 mm. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

FAQ

Q: Which card has more memory, and what type?

A: The NVIDIA GeForce RTX 5090 has 32 GB of GDDR7 memory, while the NVIDIA Quadro RTX 6000 has 24 GB of GDDR6. The RTX 5090’s memory operates on a 512-bit bus with 1.79 TB/s bandwidth, versus the Quadro’s 384-bit bus and 672.0 GB/s.

Q: How do their benchmark scores compare in OpenCL?

A: The RTX 5090 scores 334,370 in Geekbench OpenCL, while the Quadro RTX 6000 scores 74,179. This gives the RTX 5090 a 77.8% advantage, making it over four times faster in this test.

Q: What are the transistor counts for each GPU?

A: The Quadro RTX 6000 contains 18,600 million transistors on a 754 mm² die using TSMC’s 12 nm process. The RTX 5090 has 92,200 million transistors on a 750 mm² die using a 5 nm process, resulting in a transistor density of 122.9M per mm² versus 24.7M per mm².

Q: Which card has a higher boost clock?

A: The RTX 5090 boosts to 2407 MHz, compared to the Quadro RTX 6000’s 1770 MHz boost clock. The base clocks are 2017 MHz for the RTX 5090 and 1440 MHz for the Quadro.

Q: Are there differences in ray tracing and tensor core counts?

A: Yes. The Quadro RTX 6000 has 72 RT cores and 576 tensor cores. The RTX 5090 has 170 RT cores and 680 tensor cores, representing a 2.36x increase in RT cores and an 18% increase in tensor cores.

Q: What is the average benchmark score and percentile for each card?

A: The Quadro RTX 6000 has an average benchmark score of 101,872 and sits in the 94th percentile of all GPUs. The RTX 5090 has an average score of 79,842 and ranks in the 92nd percentile, though this lower average is due to its inclusion of multiple Passmark tests with lower scores.

Where Each One Wins

The RTX 5090 wins in every direct benchmark comparison, but its advantages extend to specific hardware capabilities that matter for different use cases. In raw compute tasks like OpenCL workloads, the RTX 5090’s 104.8 TFLOPS of FP32 performance dwarfs the Quadro’s 16.31 TFLOPS, making it the clear choice for GPU compute, machine learning inference, and scientific simulations. Its 1.79 TB/s memory bandwidth ensures data-heavy workloads, such as large dataset processing or high-resolution texture streaming, run without bottlenecks. The RTX 5090’s 32 GB of GDDR7 memory also provides more headroom for memory-intensive applications like video editing or 3D rendering at high resolutions.

The Quadro RTX 6000, despite losing all head-to-head tests, has its own niche. Its 24 GB of GDDR6 memory is still substantial, and its 672.0 GB/s bandwidth is adequate for many professional workloads. The Quadro’s 1x USB Type-C output is a unique feature not found on the RTX 5090, which may be required for certain VR headsets or professional display setups. The Quadro also uses a 1x 6-pin + 1x 8-pin power configuration, which may be more compatible with older workstation power supplies that lack the 16-pin connector used by the RTX 5090. Its lower 260 W TDP means it generates less heat and requires less cooling, which can be advantageous in dense workstation builds.

For gaming and consumer applications, the RTX 5090’s Vulkan performance (376,728 versus 129,564) gives it a decisive edge in modern game engines that leverage Vulkan. Its higher pixel rate (423.6 GPixel/s vs 169.9 GPixel/s) and texture rate (1,636.8 GTexel/s vs 509.8 GTexel/s) support higher resolutions and more detailed scenes. The RTX 5090’s PCIe 5.0 interface doubles the bandwidth of the Quadro’s PCIe 3.0, which can benefit data transfer in systems with compatible motherboards.

In terms of legacy support, the Quadro RTX 6000’s DisplayPort 1.4a outputs and USB Type-C may be preferable for older professional monitors, while the RTX 5090’s DisplayPort 2.1b and HDMI 2.1b are forward-looking. The Quadro’s end-of-life status means no future driver optimizations are likely, while the RTX 5090 is active and will receive ongoing support. Ultimately, the data shows the RTX 5090 is the superior performer in every measurable benchmark, while the Quadro RTX 6000 retains value only for users with specific legacy connectivity needs or power constraints. The RTX 5090’s 92nd percentile ranking, despite its lower average score, reflects a more comprehensive test suite; in the two tests where both cards are measured, the RTX 5090 is unambiguously faster.