AMD Radeon RX 6850M XT vs NVIDIA Quadro RTX 6000 Comparison

The data available for this comparison is limited to two shared benchmark tests, yet the results reveal a clear split in workloads. The AMD Radeon RX 6850M XT takes the OpenCL compute test, while the NVIDIA Quadro RTX 6000 dominates the Vulkan graphics test by a significant margin. The overall average benchmark scores, however, tell a different story, with the Quadro holding a substantial lead when considering the full dataset of each card's performance across all tested applications.

Head-to-Head Benchmarks

In the only two directly comparable tests, the results are decisively split. On the Geekbench OpenCL test, the AMD Radeon RX 6850M XT scores 85,040 points, defeating the NVIDIA Quadro RTX 6000's 74,179 points by a margin of 12.8%. This is a notable victory for AMD, indicating a strong advantage in general-purpose compute workloads that leverage OpenCL. The Quadro RTX 6000, despite its professional workstation pedigree, falls behind in this specific API.

The Geekbench Vulkan test presents a complete reversal. Here, the NVIDIA Quadro RTX 6000 achieves a score of 129,564, which is a commanding 30.2% higher than the AMD Radeon RX 6850M XT's 99,483. This substantial delta highlights the NVIDIA card's superior performance in graphics-centric tasks that utilize the Vulkan API. A 30% lead is a massive generational gap in performance, showcasing the Quadro's strength in rendering and real-time graphics workloads.

Beyond these head-to-head matchups, the overall average benchmark scores provide a broader context. The NVIDIA Quadro RTX 6000 has an average benchmark score of 101,872 across all its tested workloads, placing it in the 94th percentile of all GPUs. In contrast, the AMD Radeon RX 6850M XT's average score is 78,940, placing it in the 92nd percentile. This means that while AMD wins in OpenCL, the Quadro's overall performance profile is significantly stronger, likely due to its massive advantage in Vulkan and other untested professional applications. The Quadro is 4.5% ahead of the AMD Radeon RX 7900M and 4.9% ahead of the AMD Radeon Pro VII, while the RX 6850M XT is a close 1.1% behind the NVIDIA GeForce RTX 5090, indicating its performance is in a similar tier to those high-end parts.

The Verdict

The choice between these two GPUs is straightforward based on the benchmark data. The NVIDIA Quadro RTX 6000 is the clear winner for users prioritizing raw graphics performance and a robust overall compute package. Its 30.2% victory in Vulkan is a decisive factor, and its higher average benchmark score (101,872 vs 78,940) confirms it is the more powerful card in the aggregate. This makes it the superior choice for professional visualization, 3D rendering, and any workload that can leverage the Vulkan API.

The AMD Radeon RX 6850M XT, however, is not without its merits. Its 12.8% win in OpenCL shows it is a capable compute card, and its lower power consumption (165 W vs 260 W) is an advantage for mobile or power-constrained systems. It is the better option for users whose primary workload is OpenCL-based compute, such as certain scientific simulations or data processing tasks. It also represents a more modern architecture on a smaller process node.

Ultimately, the data suggests the Quadro RTX 6000 is the stronger all-round performer for graphics-heavy tasks, while the RX 6850M XT is the specialist for OpenCL compute. The professional user with a mixed workload of rendering and compute would likely prefer the Quadro, while a user with a dedicated OpenCL compute pipeline would find the AMD card more efficient for their specific needs.

Where Each One Wins

The performance divide between these two cards maps cleanly onto two distinct use-case scenarios. The NVIDIA Quadro RTX 6000 is the definitive winner for graphics-intensive applications. Its 30.2% advantage in the Vulkan benchmark is a clear signal that it excels in real-time rendering, game development, and other tasks that depend on a high-performance graphics pipeline. This is the card for a workstation focused on 3D modeling, animation, and visual effects, where Vulkan is increasingly the API of choice. Its higher average benchmark score further underscores its dominance in a wider range of professional applications.

Conversely, the AMD Radeon RX 6850M XT is the winner for compute-centric workloads that rely on the OpenCL API. Its 12.8% lead in the OpenCL benchmark positions it as the better tool for general-purpose GPU computing tasks such as data analysis, machine learning inference, and scientific computing that are optimized for OpenCL. While it lacks the Quadro's graphics prowess, its compute strength and significantly lower 165 W TDP make it an attractive option for a portable workstation or a secondary compute node where power efficiency is a priority.

The split is clean: choose the Quadro RTX 6000 for graphics and rendering, and choose the RX 6850M XT for OpenCL compute.

FAQ

Q: Which GPU is faster in the Vulkan graphics benchmark?

A: The NVIDIA Quadro RTX 6000 is significantly faster, scoring 129,564 compared to the AMD Radeon RX 6850M XT's 99,483. This represents a 30.2% performance advantage for the Quadro.

Q: Which GPU performs better in the OpenCL compute benchmark?

A: The AMD Radeon RX 6850M XT is the winner, achieving a score of 85,040 versus the NVIDIA Quadro RTX 6000's 74,179. The AMD card leads by 12.8% in this test.

Q: Based on the average benchmark score, which GPU is the overall stronger performer?

A: The NVIDIA Quadro RTX 6000 has a much higher average benchmark score of 101,872, compared to 78,940 for the AMD Radeon RX 6850M XT. This places the Quadro in the 94th percentile, while the AMD card sits in the 92nd percentile.

Q: What is the power consumption difference between the two cards?

A: The AMD Radeon RX 6850M XT has a significantly lower TDP of 165 W, while the NVIDIA Quadro RTX 6000 has a TDP of 260 W.

Q: How does the AMD Radeon RX 6850M XT compare to an NVIDIA GeForce RTX 5090?

A: Based on average benchmark scores, the RX 6850M XT is 1.1% behind the GeForce RTX 5090, indicating they are in a similar performance tier.

Q: Which card has more memory?

A: The NVIDIA Quadro RTX 6000 has 24 GB of GDDR6 memory, which is double the 12 GB found on the AMD Radeon RX 6850M XT.

Architecture Differences

The two GPUs are built on fundamentally different architectures and process nodes. The NVIDIA Quadro RTX 6000 is based on the Turing architecture (chip TU102) and is manufactured on a 12 nm process at TSMC. This is an older, larger design, evidenced by its 754 mm² die size and 18,600 million transistors. The AMD Radeon RX 6850M XT, on the other hand, utilizes the RDNA 2.0 architecture (chip Navi 22) and is built on a more modern 7 nm process, also at TSMC. This results in a much smaller 335 mm² die, even though it contains a comparable 17,200 million transistors. This makes the AMD chip significantly denser, with a transistor density of 51.3M / mm² versus 24.7M / mm² for the NVIDIA chip.

The architectures also differ in their feature sets. The NVIDIA card is equipped with 72 RT cores and 576 Tensor Cores, which are specifically designed for hardware-accelerated ray tracing and AI workloads, respectively. The AMD card has 40 RT cores but no Tensor Cores, relying on other methods for AI acceleration. Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA card is part of the Quadro Turing (Tx000) generation, while the AMD is from the Navi Mobile (RX 6000M) generation, with the NVIDIA card's predecessor being Quadro Volta and the AMD's being Polaris Mobile. The NVIDIA card is also a dual-slot design, whereas the AMD card is an IGP (Integrated Graphics Processor) form factor.

Specification Differences

The most prominent specification difference is memory. The NVIDIA Quadro RTX 6000 offers 24 GB of GDDR6 memory on a 384-bit bus, yielding a bandwidth of 672.0 GB/s. The AMD Radeon RX 6850M XT has half the memory at 12 GB, on a narrower 192-bit bus, resulting in a lower bandwidth of 432.0 GB/s. This gives the Quadro a significant advantage in memory-heavy tasks like large texture loading and complex scene rendering.

Other key differences include the core configurations. The NVIDIA card has 4,608 shading units, 288 TMUs, and 96 ROPs. The AMD card has fewer of each, with 2,560 shading units, 160 TMUs, and 64 ROPs. This core count difference contributes to the NVIDIA card's higher theoretical pixel rate of 169.9 GPixel/s and texture rate of 509.8 GTexel/s, compared to the AMD's 165.2 GPixel/s and 413.0 GTexel/s. The NVIDIA card also leads in raw compute power with 16.31 TFLOPS FP32 versus 13.21 TFLOPS for AMD. Clock speeds are a point of difference as well, with the AMD card having a much higher boost clock of 2581 MHz compared to the Quadro's 1770 MHz, though the NVIDIA card's higher core count compensates in overall throughput.

The cards also differ in their physical and power requirements. The NVIDIA Quadro RTX 6000 is a dual-slot card, 267 mm long, requiring both a 6-pin and 8-pin power connector and a 600 W power supply. The AMD Radeon RX 6850M XT is an IGP with no power connectors, reflecting its mobile design. The NVIDIA card offers fixed display outputs (4x DisplayPort 1.4a and 1x USB Type-C), while the AMD's outputs are portable device dependent. The NVIDIA card uses a PCIe 3.0 x16 interface, while the AMD card uses the newer PCIe 4.0 x16. Finally, the NVIDIA card had a launch MSRP of 6,299 USD.