AMD Radeon Pro 580X vs NVIDIA RTX A5000 Comparison

AMD Radeon Pro 580X vs NVIDIA RTX A5000

The NVIDIA RTX A5000 dominates the AMD Radeon Pro 580X in every recorded head-to-head benchmark, with the data showing a decisive performance gap that reflects their different positions in the workstation market. The RTX A5000 delivers over four times the compute throughput in OpenCL workloads and more than three times the Vulkan performance, making it the clear choice for compute-heavy tasks. The Radeon Pro 580X, while competitive in its own generation, simply cannot match the raw processing power of NVIDIA's Ampere architecture in these measurements.

Head-to-Head Benchmarks

The recorded head-to-head results show two benchmarks where the NVIDIA RTX A5000 wins outright, with no wins recorded for the AMD Radeon Pro 580X. In Geekbench OpenCL, the RTX A5000 scores 157,905 points against the Radeon Pro 580X's 36,426 points, a delta of -76.9% for the AMD card. This means the RTX A5000 is roughly 4.3 times faster in this test, a staggering margin that highlights the architectural gap between the two products.

In Geekbench Vulkan, the RTX A5000 again dominates with a score of 137,828 compared to the Radeon Pro 580X's 40,115 points, a delta of -70.9%. While slightly narrower than the OpenCL gap, this still represents a performance advantage of approximately 3.4 times for the NVIDIA card. The consistency of the RTX A5000's victory across both APIs suggests that the performance difference is fundamental to the hardware rather than software optimization quirks.

Looking at the average benchmark scores from the database, the Radeon Pro 580X actually holds a higher average score of 38,706 compared to the RTX A5000's 33,622. This apparent contradiction is explained by the different benchmark suites each card was tested with. The Radeon Pro 580X's average is drawn from its three Geekbench results, while the RTX A5000's average includes PassMark tests that score on different scales, including DirectX 9, 10, 11, and 12 sub-tests where a score of 251, 153, 187, and 87 respectively drag down its overall average. The head-to-head comparisons, which use identical tests, are the more reliable indicator of relative performance.

Where Each One Wins

The AMD Radeon Pro 580X wins in specific niche scenarios that are not covered by the head-to-head benchmarks. Its 82nd percentile ranking across all GPUs in the database is actually higher than the RTX A5000's 78th percentile, which reflects the AMD card's strong showing in Geekbench Metal, where it scores 39,577. This is a test that the RTX A5000 cannot participate in, as Metal is Apple's API and the Radeon Pro 580X is designed for Mac systems with an Apple MPX bus interface.

The Radeon Pro 580X also holds an advantage in physical size and power requirements. It is an IGP (integrated graphics processor) with no power connectors listed, while the RTX A5000 is a dual-slot card requiring a single 8-pin connector and a suggested PSU of 550 W. The AMD card's 185 W TDP is substantially lower than the RTX A5000's 230 W, making it a better fit for systems where power delivery and space are constrained.

The NVIDIA RTX A5000 wins in every measurable compute and graphics workload. Its 24 GB of GDDR6 memory with 768.0 GB/s bandwidth dwarfs the Radeon Pro 580X's 8 GB GDDR5 at 218.9 GB/s. The 64 RT cores and 256 tensor cores on the RTX A5000 enable hardware-accelerated ray tracing and AI workloads, features entirely absent from the Radeon Pro 580X. For professionals working with large datasets, real-time ray tracing, or machine learning inference, the RTX A5000 is the only viable option between these two.

Architecture Differences

The two cards come from entirely different architectural generations and design philosophies. The AMD Radeon Pro 580X uses GCN 4.0 architecture on a 14 nm process from GlobalFoundries, with the Ellesmere chip containing 5,700 million transistors on a 232 mm² die. This results in a transistor density of 24.6M per mm². In contrast, the NVIDIA RTX A5000 uses the Ampere architecture on Samsung's 8 nm process, with the GA102 chip packing 28,300 million transistors into a 628 mm² die, achieving a density of 45.1M per mm².

The compute resources differ dramatically. The Radeon Pro 580X has 2,304 shading units, 144 texture mapping units, and 32 render output units. The RTX A5000 has 8,192 shading units, 256 TMUs, and 96 ROPs. This translates to a pixel rate of 38.40 GPixel/s and texture rate of 172.8 GTexel/s for the AMD card, versus 162.7 GPixel/s and 433.9 GTexel/s for the NVIDIA card. In FP32 compute, the RTX A5000 outputs 27.77 TFLOPS compared to the Radeon Pro 580X's 5.530 TFLOPS, a fivefold difference that explains the benchmark results.

Memory architecture also diverges sharply. The Radeon Pro 580X uses 8 GB of GDDR5 on a 256-bit bus, while the RTX A5000 uses 24 GB of GDDR6 on a 384-bit bus. The memory clock on the AMD card is 1710 MHz (6.8 Gbps effective), while the NVIDIA card runs at 2000 MHz (16 Gbps effective). The resulting bandwidth gap, 218.9 GB/s versus 768.0 GB/s, is critical for memory-intensive workloads like rendering large scenes or processing high-resolution textures.

API support also differs. The Radeon Pro 580X supports DirectX 12 (12_0), OpenGL 4.6, and Vulkan 1.3. The RTX A5000 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The DirectX 12 Ultimate support on the NVIDIA card includes features like mesh shaders and variable rate shading, which are not available on the AMD card. Display outputs also differ, with the AMD card offering 2x HDMI 2.0b and the NVIDIA card offering 4x DisplayPort 1.4a.

The Verdict

The data is unambiguous for compute and graphics workloads: the NVIDIA RTX A5000 is the superior card, with head-to-head benchmark deltas of -76.9% and -70.9% in favor of NVIDIA. The RTX A5000's 27.77 TFLOPS FP32 performance, 24 GB memory capacity, and 768.0 GB/s bandwidth make it suitable for professional rendering, simulation, and AI tasks that would be impractical or impossible on the Radeon Pro 580X.

The AMD Radeon Pro 580X is the right choice only for a very specific use case: Mac systems with Apple MPX bus connectivity. Its Geekbench Metal score of 39,577 and its IGP form factor make it a drop-in solution for Apple's ecosystem. Its lower 185 W TDP and lack of external power connectors also make it easier to integrate into systems with limited power delivery. The 82nd percentile ranking versus the RTX A5000's 78th percentile further suggests that in the broader GPU landscape, the Radeon Pro 580X is competitively positioned for its intended platform.

For anyone building or upgrading a Windows workstation with PCIe 4.0 x16 connectivity, the RTX A5000 is the obvious pick. Its DirectX 12 Ultimate support, RT cores, and tensor cores provide future-proofing for next-generation applications. The Radeon Pro 580X, released in March 2019, is end-of-life with no successor listed, while the RTX A5000, released in April 2021, lists the Workstation Ada series as its successor, indicating a longer product lifecycle. The RTX A5000's predecessor is listed as Quadro Turing, showing a clear lineage in professional GPU development.

FAQ

Q: Which card has more memory?

A: The NVIDIA RTX A5000 has 24 GB of GDDR6 memory, while the AMD Radeon Pro 580X has 8 GB of GDDR5.

Q: How much faster is the RTX A5000 in OpenCL?

A: The RTX A5000 scores 157,905 in Geekbench OpenCL versus the Radeon Pro 580X's 36,426, a delta of -76.9% for the AMD card.

Q: Does the Radeon Pro 580X support ray tracing?

A: No, the Radeon Pro 580X has no RT cores listed in the database, while the RTX A5000 has 64 RT cores.

Q: What is the power consumption difference?

A: The Radeon Pro 580X has a TDP of 185 W, while the RTX A5000 has a TDP of 230 W and requires a single 8-pin power connector.

Q: Which card has a higher percentile ranking?

A: The Radeon Pro 580X ranks in the 82nd percentile across all GPUs, while the RTX A5000 ranks in the 78th percentile.

Q: What bus interfaces do they use?

A: The Radeon Pro 580X uses Apple MPX, while the RTX A5000 uses PCIe 4.0 x16.

Specification Differences

| Specification | AMD Radeon Pro 580X | NVIDIA RTX A5000 |

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

| Architecture | GCN 4.0 | Ampere |

| Process Node | 14 nm | 8 nm |

| Foundry | GlobalFoundries | Samsung |

| Transistors | 5,700 million | 28,300 million |

| Die Size | 232 mm² | 628 mm² |

| Transistor Density | 24.6M / mm² | 45.1M / mm² |

| Base Clock | 1100 MHz | 1170 MHz |

| Boost Clock | 1200 MHz | 1695 MHz |

| Memory Clock | 1710 MHz (6.8 Gbps effective) | 2000 MHz (16 Gbps effective) |

| Memory Size | 8 GB | 24 GB |

| Memory Type | GDDR5 | GDDR6 |

| Memory Bus Width | 256 bit | 384 bit |

| Memory Bandwidth | 218.9 GB/s | 768.0 GB/s |

| Shading Units | 2304 | 8192 |

| TMUs | 144 | 256 |

| ROPs | 32 | 96 |

| RT Cores | None | 64 |

| Tensor Cores | None | 256 |

| Pixel Rate | 38.40 GPixel/s | 162.7 GPixel/s |

| Texture Rate | 172.8 GTexel/s | 433.9 GTexel/s |

| FP32 | 5.530 TFLOPS | 27.77 TFLOPS |

| FP16 | 5.530 TFLOPS (1:1) | 27.77 TFLOPS (1:1) |

| TDP | 185 W | 230 W |

| Slot Width | IGP | Dual-slot |

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

| Suggested PSU | None | 550 W |

| Bus Interface | Apple MPX | PCIe 4.0 x16 |

| Display Outputs | 2x HDMI 2.0b | 4x DisplayPort 1.4a |

| DirectX Support | 12 (12_0) | 12 Ultimate (12_2) |

| OpenGL Support | 4.6 | 4.6 |

| Vulkan Support | 1.3 | 1.4 |

| Dimensions | Not listed | 267 mm (10.5 inches) length, 112 mm (4.4 inches) height |

| Release Date | 2019-03-17 | 2021-04-11 |

| Predecessor | None listed | Quadro Turing |

| Successor | None listed | Workstation Ada |