AMD Radeon RX 6950 XT vs NVIDIA Quadro M6000 Comparison

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 6950 XT leads with an average benchmark score of 58,392, while the NVIDIA Quadro M6000 trails at 43,301. The AMD card sits in the 88th percentile of all GPUs, compared to the 84th percentile for the NVIDIA card.

Q: How large is the performance gap in compute workloads?

A: In Geekbench OpenCL, the AMD Radeon RX 6950 XT scores 205,998 versus 39,688 for the Quadro M6000, a 419% advantage. In Geekbench Vulkan, the AMD card scores 165,212 versus 46,913, a 252.2% lead.

Q: What are the memory specifications of each card?

A: The AMD Radeon RX 6950 XT has 16 GB of GDDR6 memory on a 256-bit bus with 576.0 GB/s bandwidth. The NVIDIA Quadro M6000 has 12 GB of GDDR5 memory on a 384-bit bus with 317.4 GB/s bandwidth.

Q: Which GPU has a higher transistor density?

A: The AMD Radeon RX 6950 XT packs 26,800 million transistors on a 7 nm process, yielding 51.5M transistors per mm². The NVIDIA Quadro M6000 uses 8,000 million transistors on a 28 nm process with a density of 13.3M per mm².

Q: What is the difference in shading units and texture units?

A: The AMD Radeon RX 6950 XT has 5,120 shading units and 320 texture mapping units. The NVIDIA Quadro M6000 has 3,072 shading units and 192 TMUs.

Q: Which card supports newer PCIe and display standards?

A: The AMD Radeon RX 6950 XT uses PCIe 4.0 x16 and offers 1x HDMI 2.1 plus 2x DisplayPort 1.4a outputs. The NVIDIA Quadro M6000 uses PCIe 3.0 x16 and provides 1x DVI plus 4x DisplayPort 1.2 outputs.

Architecture Differences

The AMD Radeon RX 6950 XT is built on the RDNA 2.0 architecture using the Navi 21 chip, manufactured on a 7 nm process at TSMC. This is a stark contrast to the NVIDIA Quadro M6000, which relies on the Maxwell 2.0 architecture with the GM200 chip, produced on a 28 nm process also at TSMC. The process node difference is significant: 7 nm versus 28 nm, which directly impacts transistor density. The AMD card crams 26,800 million transistors into a 520 mm² die, achieving a density of 51.5M per mm². The NVIDIA card, despite a larger die at 601 mm², houses only 8,000 million transistors, yielding a density of 13.3M per mm². This means the AMD GPU packs more than three times the transistor density, a fundamental architectural advantage.

Clock speeds also diverge sharply. The Radeon RX 6950 XT has a base clock of 1860 MHz and a boost clock of 2310 MHz, with a game clock of 2100 MHz. The Quadro M6000 operates at a much lower 988 MHz base and 1114 MHz boost. Memory clocks differ as well: the AMD card runs at 2250 MHz (18 Gbps effective) while the NVIDIA card runs at 1653 MHz (6.6 Gbps effective). These clock differences, combined with the newer architecture, explain the huge performance delta.

The AMD card includes 80 ray tracing cores, whereas the NVIDIA Quadro M6000 has no ray tracing hardware at all. Both cards lack tensor cores. The Radeon RX 6950 XT supports DirectX 12 Ultimate (12_2), while the Quadro M6000 only reaches DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4. The AMD card is a triple-slot design requiring 2x 8-pin power connectors and a 700 W suggested PSU, while the NVIDIA card is dual-slot with a single 8-pin connector and a 600 W suggested PSU.

The Radeon RX 6950 XT was released on May 9, 2022, with a launch MSRP of 1,099 USD. The Quadro M6000 launched much earlier on March 20, 2015, and has no recorded launch MSRP. Both are end-of-life products. The AMD card's predecessor is Navi and successor is Navi III, while the NVIDIA card's predecessor is Quadro Kepler and successor is Quadro Pascal.

The Verdict

The data is unambiguous: the AMD Radeon RX 6950 XT is the superior performer in every recorded benchmark. It wins both head-to-head tests, with a 419% lead in OpenCL and a 252.2% lead in Vulkan. Its average benchmark score of 58,392 places it in the 88th percentile, well above the Quadro M6000's 43,301 average and 84th percentile. The AMD card also offers more memory (16 GB versus 12 GB), newer GDDR6 technology, a wider effective bandwidth (576.0 GB/s versus 317.4 GB/s), and ray tracing support.

Who should pick the AMD Radeon RX 6950 XT? Anyone prioritizing raw compute performance, modern API support, or gaming-class features. The data shows it is decisively faster in both OpenCL and Vulkan workloads, and its higher transistor density and clock speeds indicate a generational leap.

Who should pick the NVIDIA Quadro M6000? The benchmark data provides no area where the Quadro M6000 wins. It is slower in compute, older in architecture, and lower in memory bandwidth. Its only advantages are a smaller physical footprint (dual-slot versus triple-slot), lower power draw (250 W versus 335 W), and a single 8-pin power connector. For professional workloads where those physical constraints matter, it could still be a functional choice, but the performance data strongly favors the AMD card.

Specification Differences

| Specification | AMD Radeon RX 6950 XT | NVIDIA Quadro M6000 |

|----------------|----------------------|---------------------|

| Architecture | RDNA 2.0 | Maxwell 2.0 |

| Chip | Navi 21 | GM200 |

| Process node | 7 nm | 28 nm |

| Transistors | 26,800 million | 8,000 million |

| Die size | 520 mm² | 601 mm² |

| Transistor density | 51.5M / mm² | 13.3M / mm² |

| Base clock | 1860 MHz | 988 MHz |

| Boost clock | 2310 MHz | 1114 MHz |

| Game clock | 2100 MHz | null |

| Memory clock | 2250 MHz (18 Gbps effective) | 1653 MHz (6.6 Gbps effective) |

| Memory size | 16 GB | 12 GB |

| Memory type | GDDR6 | GDDR5 |

| Memory bus width | 256 bit | 384 bit |

| Memory bandwidth | 576.0 GB/s | 317.4 GB/s |

| Shading units | 5120 | 3072 |

| TMUs | 320 | 192 |

| ROPs | 128 | 96 |

| RT cores | 80 | null |

| Pixel rate | 295.7 GPixel/s | 106.9 GPixel/s |

| Texture rate | 739.2 GTexel/s | 213.9 GTexel/s |

| FP32 | 23.65 TFLOPS | 6.844 TFLOPS |

| FP16 | 47.31 TFLOPS (2:1) | null |

| TDP | 335 W | 250 W |

| Slot width | Triple-slot | Dual-slot |

| Power connectors | 2x 8-pin | 1x 8-pin |

| Suggested PSU | 700 W | 600 W |

| Bus interface | PCIe 4.0 x16 | PCIe 3.0 x16 |

| Display outputs | 1x HDMI 2.1, 2x DisplayPort 1.4a | 1x DVI, 4x DisplayPort 1.2 |

| DirectX support | 12 Ultimate (12_2) | 12 (12_1) |

| Release date | 2022-05-09 | 2015-03-20 |

| Launch MSRP | 1,099 USD | null |

| Height | 120 mm | 111 mm |

| Width | 50 mm | null |

Both cards share the same length of 267 mm. Both are end-of-life products.

Head-to-Head Benchmarks

The head-to-head comparison includes only two recorded tests, and the AMD Radeon RX 6950 XT wins both by overwhelming margins.

In Geekbench OpenCL, the AMD card scores 205,998 against the Quadro M6000's 39,688. That is a delta of 419%, meaning the AMD card is more than five times faster in this compute test. This result aligns with the specification gaps: the AMD card has 5,120 shading units versus 3,072, a 23.65 TFLOPS FP32 rate versus 6.844 TFLOPS, and 576.0 GB/s memory bandwidth versus 317.4 GB/s. The combination of more cores, higher clocks, and wider memory bandwidth produces an outsized compute advantage.

In Geekbench Vulkan, the AMD card scores 165,212 versus 46,913 for the NVIDIA card, a 252.2% delta. While slightly smaller than the OpenCL gap, it is still a massive victory. Vulkan performance benefits from the AMD card's newer architecture and higher clock speeds, as well as its support for DirectX 12 Ultimate features that the Quadro M6000 lacks.

Beyond these two direct tests, the average benchmark scores tell a broader story. The AMD card averages 58,392 across all recorded benchmarks, while the NVIDIA card averages 43,301. The AMD card's nearest rivals include the NVIDIA P102-100 (58,528, delta -0.2%), the AMD Radeon PRO V710 (58,657, delta -0.5%), and the Intel Arc A570M (58,239, delta 0.3%). The Quadro M6000's nearest rivals are the NVIDIA GeForce RTX 5050 Mobile (43,268, delta 0.1%), the NVIDIA Quadro M6000 24 GB (43,262, delta 0.1%), and the NVIDIA GeForce RTX 4070 SUPER (43,223, delta 0.2%). This shows the AMD card competes in a much higher performance tier, while the Quadro M6000 sits alongside modern mobile and mid-range desktop parts.

The individual benchmark scores for the AMD card include a strong PassMark G3D score of 28,070 and a PassMark GPU Compute score of 14,199. The NVIDIA card has no recorded PassMark scores, so the comparison relies on Geekbench and the average figures. The AMD card also shows a Geekbench Metal score of 222,653, which the NVIDIA card does not have recorded. Overall, the data shows a comprehensive victory for the AMD Radeon RX 6950 XT across every measurable dimension.

Where Each One Wins

The AMD Radeon RX 6950 XT wins in every benchmark category recorded. Its strengths are most pronounced in OpenCL compute, where it achieves a 419% advantage, and in Vulkan, where it leads by 252.2%. These results make it the clear choice for workloads that rely on GPU compute, such as rendering, simulation, or data processing. The card's 16 GB of GDDR6 memory with 576.0 GB/s bandwidth also provides a substantial buffer for large datasets. Its 5,120 shading units and 80 ray tracing cores give it a modern feature set that the older NVIDIA card cannot match.

The NVIDIA Quadro M6000 has no recorded benchmark wins. However, the data does show some areas where it holds practical advantages. It draws less power: 250 W versus 335 W, and requires only a single 8-pin power connector instead of two. It is a dual-slot card rather than a triple-slot design, and it has a slightly shorter height of 111 mm versus 120 mm. Its 384-bit memory bus is wider than the AMD card's 256-bit bus, although the actual bandwidth is lower due to older GDDR5 memory. For systems with strict power or space constraints, the Quadro M6000 could be easier to install, but the performance trade-off is severe.

For gaming or general high-performance computing, the AMD Radeon RX 6950 XT is the only rational choice based on the data. For legacy professional environments where the Quadro M6000's lower power draw and dual-slot form factor are mandatory, it remains a functional albeit slow option. The record clearly shows that the AMD card dominates in every performance metric, while the NVIDIA card's only wins are physical and electrical, not computational.