GPU Comparison

The NVIDIA Quadro M5000 and AMD Radeon RX 6800 represent two very different eras of GPU design, with the former built for professional workstations in 2015 and the latter a high-end consumer card from 2020. Benchmark results show a split decision: the Quadro wins the OpenCL compute test by a significant margin, while the Radeon dominates in Vulkan performance by an even larger factor. The data reveals a clash between a specialized professional tool and a modern gaming-focused architecture, each excelling in different software environments.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA Quadro M5000 has a higher average benchmark score of 31206, compared to the AMD Radeon RX 6800's 30095. This places the Quadro at the 76th percentile of all GPUs, while the Radeon sits just behind at the 75th percentile.

Q: How do the two cards compare in the Geekbench OpenCL test?

A: The Quadro M5000 wins decisively with a score of 29481, which is 20.3% higher than the RX 6800's 24508. This is a notable victory for the older, workstation-oriented card in a general-purpose compute workload.

Q: What happens in the Vulkan benchmark?

A: The AMD Radeon RX 6800 delivers a crushing victory, scoring 115107 compared to the Quadro's 32931. The deltaPct of -71.4% indicates the Quadro trails by that massive margin, showing the Radeon's overwhelming advantage in this modern graphics API.

Q: How do their nearest rivals compare in terms of average score?

A: The Quadro M5000's closest rival is the NVIDIA GRID M60-1Q with an identical average score of 31220, showing a 0% delta. The RX 6800's nearest competitor is the NVIDIA GeForce RTX 3070 Ti at 29945, a 0.5% difference, and the AMD Radeon RX 6700 at 30433, which is 1.1% ahead of the RX 6800.

Q: Which card has more memory and bandwidth?

A: The AMD Radeon RX 6800 offers 16 GB of GDDR6 memory with a 512.0 GB/s bandwidth on a 256-bit bus. The NVIDIA Quadro M5000 has 8 GB of GDDR5 memory with 211.6 GB/s bandwidth, also on a 256-bit bus, giving the Radeon double the capacity and significantly higher bandwidth.

Q: What are the transistor counts and process nodes for each?

A: The Quadro M5000 uses a 28 nm process with 5,200 million transistors on a 398 mm² die, resulting in a density of 13.1M transistors per mm². The RX 6800 is built on a 7 nm node with 26,800 million transistors on a 520 mm² die, achieving a much higher density of 51.5M per mm².

Architecture Differences

The two GPUs are built on fundamentally different architectures. The NVIDIA Quadro M5000 utilizes the Maxwell 2.0 architecture with the GM204 chip, manufactured on a 28 nm process at TSMC. This is a mature design from the Quadro Maxwell generation, featuring 2048 shading units, 128 texture mapping units, and 64 ROPs. It lacks dedicated ray tracing or tensor cores, reflecting its 2015 design focus on professional compute and visualization tasks.

In contrast, the AMD Radeon RX 6800 employs the RDNA 2.0 architecture with the Navi 21 chip, also fabricated by TSMC but on a much more advanced 7 nm process. This newer design packs 3840 shading units, 240 TMUs, and 96 ROPs, along with 60 dedicated ray tracing cores. The RDNA 2.0 architecture is designed for gaming and modern graphics workloads, with support for DirectX 12 Ultimate (12_2) compared to the Quadro's DirectX 12 (12_1). Both cards support OpenGL 4.6 and Vulkan 1.4, but the Radeon's architectural advantages in raw throughput are evident in its specifications.

The transistor counts highlight the generational leap: the RX 6800 has 26,800 million transistors versus 5,200 million on the Quadro, a more than fivefold increase. The die size also grew from 398 mm² to 520 mm², but the transistor density jumped from 13.1M per mm² to 51.5M per mm², illustrating the efficiency gains from the 7 nm process. The Radeon also features a higher base clock of 1700 MHz and boost clock of 2105 MHz, compared to the Quadro's 861 MHz base and 1038 MHz boost, further widening the performance gap in raw compute potential.

Head-to-Head Benchmarks

The head-to-head benchmark data provides a clear and stark contrast between the two cards. In the Geekbench OpenCL test, the NVIDIA Quadro M5000 emerges victorious with a score of 29481, while the AMD Radeon RX 6800 scores 24508. This gives the Quadro a 20.3% advantage, a significant win for the older card. This result suggests that the Quadro's Maxwell architecture is particularly well-optimized for OpenCL compute workloads, which are common in professional applications like rendering and scientific simulation.

The Geekbench Vulkan test tells an entirely different story. Here, the AMD Radeon RX 6800 absolutely dominates, scoring 115107 against the Quadro's 32931. The deltaPct of -71.4% means the Quadro is roughly three and a half times slower in this test. Vulkan is a modern, low-overhead graphics API that benefits from the RDNA 2.0 architecture's design, and the Radeon's 60 ray tracing cores and higher shading unit count contribute to this massive margin. This is not a close contest; it is a categorical victory for the newer architecture.

These two results perfectly illustrate the cards' divergent strengths. The Quadro wins on raw compute in a legacy API, while the Radeon wins on modern graphics performance by an order of magnitude. The winsA and winsB fields each show 1, indicating a tie in head-to-head tests, but the magnitude of the Radeon's Vulkan win far outweighs the Quadro's OpenCL victory in terms of performance delta.

Specification Differences

The specification sheet reveals numerous differences beyond the benchmark scores. The most obvious is memory: the AMD Radeon RX 6800 has 16 GB of GDDR6 memory, while the NVIDIA Quadro M5000 has 8 GB of GDDR5. Memory bandwidth also differs dramatically, with the Radeon offering 512.0 GB/s versus the Quadro's 211.6 GB/s. Both use a 256-bit bus, but the faster GDDR6 memory gives the Radeon a 2.4x bandwidth advantage.

Compute resources are heavily skewed toward the Radeon. It has 3840 shading units, 240 TMUs, and 96 ROPs, compared to the Quadro's 2048 shading units, 128 TMUs, and 64 ROPs. The Radeon's pixel rate is 202.1 GPixel/s and texture rate is 505.2 GTexel/s, while the Quadro manages 66.43 GPixel/s and 132.9 GTexel/s. FP32 performance is 16.17 TFLOPS on the Radeon versus 4.252 TFLOPS on the Quadro, a nearly 4x gap. The Radeon also supports FP16 at 32.33 TFLOPS with a 2:1 ratio, a feature the Quadro lacks entirely.

Power and connectivity also differ. The Quadro has a 150 W TDP with a single 6-pin power connector and a suggested 450 W PSU, while the Radeon draws 250 W, requires two 8-pin connectors, and recommends a 600 W PSU. The Quadro uses PCIe 3.0 x16, whereas the Radeon uses the newer PCIe 4.0 x16 interface. Display outputs vary as well: the Quadro offers 1x DVI and 4x DisplayPort 1.2, while the Radeon has 1x HDMI 2.1, 2x DisplayPort 1.4a, and 1x USB Type-C. Physical dimensions are similar in length at 267 mm, but the Radeon is taller at 120 mm versus 111 mm and has a specified width of 40 mm.

Where Each One Wins

The NVIDIA Quadro M5000 wins in scenarios that rely on OpenCL compute performance. Its 20.3% lead in the Geekbench OpenCL test indicates that professional applications leveraging this API will see better performance on the Quadro. This makes it a potentially better choice for legacy workstation software that is optimized for NVIDIA's compute stack. The Quadro also has a higher average benchmark score (31206 vs 30095) and sits at a slightly higher percentile (76th vs 75th), suggesting it holds up well in aggregated performance metrics despite its age. Its lower 150 W TDP and single 6-pin power connector make it easier to integrate into existing workstation power envelopes.

The AMD Radeon RX 6800 wins decisively in modern graphics workloads, as evidenced by its 71.4% advantage in the Vulkan benchmark. This makes it the clear choice for gaming, real-time rendering, and any application that leverages Vulkan's low-overhead features. The Radeon's massive memory capacity of 16 GB and 512.0 GB/s bandwidth are critical for high-resolution textures and large datasets, far exceeding the Quadro's 8 GB and 211.6 GB/s. Its 60 ray tracing cores and DirectX 12 Ultimate support position it for future-proof gaming and content creation, while the FP16 capabilities at 32.33 TFLOPS offer advantages in AI and compute workloads that use half-precision arithmetic.

In practical terms, the Quadro M5000 is a specialized tool for specific professional compute tasks, while the RX 6800 is a versatile, high-performance card for modern gaming and general-purpose graphics. The benchmark data shows that neither card is universally superior; their strengths are tied to specific APIs and workloads. The Quadro's win in OpenCL and the Radeon's win in Vulkan highlight a clear generational divide, with the newer RDNA 2.0 architecture optimized for contemporary software environments.