AMD Radeon Pro 580 vs NVIDIA Quadro M6000 Comparison

The NVIDIA Quadro M6000 and AMD Radeon Pro 580 are both end-of-life professional workstation GPUs, but they target different segments. The Quadro M6000 is a dual-slot, 250 W desktop card built on the large GM200 chip, while the Radeon Pro 580 is an integrated graphics processor (IGP) with a 185 W TDP, designed for portable Mac systems. Benchmark data shows the Quadro M6000 holds a clear performance lead in the two shared tests, winning both OpenCL and Vulkan workloads by 3.2% and 8.4%, respectively. Its average benchmark score of 43301 places it in the 84th percentile of all GPUs, compared to the Radeon Pro 580's 40318 average and 82nd percentile. However, the Radeon Pro 580 counters with a more advanced 14 nm process, higher clock speeds, and FP16 compute capability at a 1:1 ratio, making it a more efficient and feature-complete option for its intended mobile form factor.

The Verdict

The data clearly favors the NVIDIA Quadro M6000 for raw compute performance in desktop workstations. Its average benchmark score of 43301 is 7.4% higher than the Radeon Pro 580's 40318, and it wins both head-to-head benchmark comparisons. The Quadro M6000's 6.844 TFLOPS FP32 throughput and 317.4 GB/s memory bandwidth provide a substantial advantage in bandwidth-heavy and shader-intensive workloads, as evidenced by its 8.4% lead in Vulkan (46913 vs 43285) and 3.2% lead in OpenCL (39688 vs 38457). For users prioritizing maximum compute throughput in a stationary workstation, the Quadro M6000 is the data-driven choice.

The AMD Radeon Pro 580, despite losing both head-to-head tests, offers its own distinct advantages that make it the better option for specific use cases. Its 14 nm process node and 24.6M transistors per mm² density represent a newer, more power-efficient design compared to the Quadro M6000's 28 nm node and 13.3M/mm² density. The Radeon Pro 580 also supports FP16 compute at 5.530 TFLOPS (1:1 ratio), a feature entirely absent from the Quadro M6000's specifications. This makes the Radeon Pro 580 more suitable for workloads leveraging half-precision arithmetic, such as certain machine learning inference tasks. Its IGP slot width and lack of power connectors position it as the only viable option for portable Mac systems, where the Quadro M6000's dual-slot design and 600 W suggested PSU are simply incompatible.

In terms of competitive positioning, the Quadro M6000 sits alongside modern consumer cards like the GeForce RTX 4070 SUPER (avg score 43223, deltaPct 0.2%) and the GeForce RTX 4090 Mobile (avg score 43667, deltaPct -0.8%), indicating its performance remains relevant even against much newer hardware. The Radeon Pro 580, meanwhile, is bracketed by the Radeon Pro WX 7100 (avg score 40063, deltaPct 0.6%) and the Radeon Pro 5300 (avg score 40870, deltaPct -1.4%), showing it holds its own within AMD's professional lineup. Neither card has a launch MSRP listed, so no pricing analysis is possible from the available data.

Architecture Differences

The two GPUs represent fundamentally different design philosophies. The NVIDIA Quadro M6000 uses the GM200 chip based on Maxwell 2.0 architecture, fabricated on TSMC's 28 nm process. This chip contains 8,000 million transistors on a large 601 mm² die, yielding a transistor density of 13.3M per mm². The architecture employs 3072 shading units, 192 texture mapping units, and 96 ROPs, configured for high-throughput desktop workloads. Its memory subsystem uses a 384-bit bus with 12 GB of GDDR5 running at 6.6 Gbps effective, delivering 317.4 GB/s of bandwidth. The Quadro M6000 supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4, with its pixel rate of 106.9 GPixel/s and texture rate of 213.9 GTexel/s reflecting its ROP-heavy design.

The AMD Radeon Pro 580 uses the Ellesmere chip based on GCN 4.0 architecture, fabricated on GlobalFoundries' more advanced 14 nm process. This chip packs 5,700 million transistors into a compact 232 mm² die, achieving a higher transistor density of 24.6M per mm². The architecture features 2304 shading units, 144 TMUs, but only 32 ROPs — a stark contrast to the Quadro M6000's 96 ROPs. This ROP deficit explains its much lower pixel rate of 38.40 GPixel/s, though its texture rate of 172.8 GTexel/s is closer to the NVIDIA card. The Radeon Pro 580's memory system uses a 256-bit bus with 8 GB of GDDR5 at 6.8 Gbps effective, providing 217.0 GB/s of bandwidth. It supports DirectX 12 (12_0), OpenGL 4.6, and Vulkan 1.3, and uniquely offers FP16 compute at 5.530 TFLOPS (1:1 ratio), a capability the Quadro M6000 lacks entirely.

The process node difference is significant: the 14 nm node allows the Radeon Pro 580 to achieve higher clock speeds (1200 MHz boost vs 1114 MHz) while consuming less power (185 W vs 250 W), despite having a lower transistor count. However, the Quadro M6000's larger die and wider memory bus give it raw throughput advantages that clock speed alone cannot overcome. The Radeon Pro 580's IGP form factor and portable-device-dependent display outputs reflect its design for integrated Mac systems, while the Quadro M6000's dual-slot cooling and 8-pin power connector indicate its desktop workstation heritage.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA Quadro M6000 has an average benchmark score of 43301, which is 7.4% higher than the AMD Radeon Pro 580's 40318.

Q: Does the AMD Radeon Pro 580 support FP16 compute?

A: Yes, the Radeon Pro 580 offers FP16 compute at 5.530 TFLOPS with a 1:1 ratio, while the NVIDIA Quadro M6000 has no FP16 capability listed in its specifications.

Q: How do the two GPUs compare in Vulkan performance?

A: The NVIDIA Quadro M6000 scores 46913 in Geekbench Vulkan, beating the AMD Radeon Pro 580's 43285 by 8.4%.

Q: What are the memory subsystem differences?

A: The Quadro M6000 has 12 GB of GDDR5 on a 384-bit bus with 317.4 GB/s bandwidth, while the Radeon Pro 580 has 8 GB of GDDR5 on a 256-bit bus with 217.0 GB/s bandwidth.

Q: Which GPU is more power-efficient according to the data?

A: The AMD Radeon Pro 580 consumes 185 W TDP compared to the Quadro M6000's 250 W TDP, and it achieves this lower power draw with a more advanced 14 nm process node versus 28 nm.

Q: What are the form factor differences between the two cards?

A: The Quadro M6000 is a dual-slot card requiring a 600 W PSU and one 8-pin connector, while the Radeon Pro 580 is an IGP with no power connectors and portable-device-dependent display outputs.

Specification Differences

| Specification | NVIDIA Quadro M6000 | AMD Radeon Pro 580 |

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

| Architecture | Maxwell 2.0 | GCN 4.0 |

| Process Node | 28 nm | 14 nm |

| Foundry | TSMC | GlobalFoundries |

| Transistors | 8,000 million | 5,700 million |

| Die Size | 601 mm² | 232 mm² |

| Transistor Density | 13.3M / mm² | 24.6M / mm² |

| Base Clock | 988 MHz | 1100 MHz |

| Boost Clock | 1114 MHz | 1200 MHz |

| Memory Clock | 1653 MHz (6.6 Gbps effective) | 1695 MHz (6.8 Gbps effective) |

| Memory Size | 12 GB | 8 GB |

| Memory Bus Width | 384 bit | 256 bit |

| Memory Bandwidth | 317.4 GB/s | 217.0 GB/s |

| Shading Units | 3072 | 2304 |

| TMUs | 192 | 144 |

| ROPs | 96 | 32 |

| Pixel Rate | 106.9 GPixel/s | 38.40 GPixel/s |

| Texture Rate | 213.9 GTexel/s | 172.8 GTexel/s |

| FP32 Compute | 6.844 TFLOPS | 5.530 TFLOPS |

| FP16 Compute | None listed | 5.530 TFLOPS (1:1) |

| TDP | 250 W | 185 W |

| Slot Width | Dual-slot | IGP |

| Power Connectors | 1x 8-pin | None |

| Suggested PSU | 600 W | None listed |

| Display Outputs | 1x DVI, 4x DisplayPort 1.2 | Portable Device Dependent |

| DirectX Support | 12 (12_1) | 12 (12_0) |

| Vulkan Support | 1.4 | 1.3 |

| Release Date | 2015-03-20 | 2017-06-04 |

| Generation | Quadro Maxwell (Mx000) | Radeon Pro Mac (500 Series) |

| Percentile (vs All GPUs) | 84 | 82 |

Head-to-Head Benchmarks

The two shared benchmark tests reveal a consistent pattern of NVIDIA superiority, though with varying margins. In Geekbench OpenCL, the Quadro M6000 scores 39688 against the Radeon Pro 580's 38457, a 3.2% advantage. This modest lead suggests that in compute-heavy workloads that scale well across shading units, the Quadro M6000's 3072 shading units and higher FP32 throughput (6.844 TFLOPS vs 5.530 TFLOPS) provide a tangible but not overwhelming edge. The 192 TMUs and 96 ROPs of the NVIDIA card contribute to its 213.9 GTexel/s texture rate and 106.9 GPixel/s pixel rate, which dwarf the Radeon Pro 580's 172.8 GTexel/s and 38.40 GPixel/s. The ROP disparity is particularly striking — 96 vs 32 — and directly impacts pixel-bound workloads.

The Vulkan benchmark tells a more decisive story. The Quadro M6000 scores 46913, while the Radeon Pro 580 manages 43285, giving NVIDIA an 8.4% win. This larger margin indicates that the Quadro M6000's architecture handles modern graphics API workloads more efficiently, likely benefiting from its higher memory bandwidth (317.4 GB/s vs 217.0 GB/s) and larger frame buffer (12 GB vs 8 GB). The Vulkan test also highlights the Radeon Pro 580's Vulkan 1.3 support versus the Quadro M6000's Vulkan 1.4, suggesting the NVIDIA driver stack may be better optimized for this workload class. Notably, the Radeon Pro 580's Vulkan score of 43285 is actually higher than its OpenCL score of 38457, indicating the GCN architecture responds well to Vulkan's low-overhead design, but it still falls short of the NVIDIA card's absolute performance.

Despite losing both head-to-head tests, the Radeon Pro 580 is not without redeeming benchmark data. Its Geekbench Metal score of 39213 demonstrates strong performance in Apple's graphics API, a workload category where the Quadro M6000 has no comparable benchmark result. This Metal capability, combined with the IGP form factor, makes the Radeon Pro 580 the only viable choice for Mac portable systems. The Quadro M6000's wins in OpenCL and Vulkan are decisive in absolute terms, but the Radeon Pro 580's efficiency metrics — 185 W TDP versus 250 W, 14 nm versus 28 nm — suggest it achieves a respectable performance-per-watt profile despite its lower raw scores. The overall win tally stands at 2-0 in favor of the NVIDIA Quadro M6000 across the shared tests, a result consistent with its higher 84th percentile ranking versus the Radeon Pro 580's 82nd percentile.