AMD Radeon Pro W6800X Duo vs NVIDIA RTX 5000 Ada Generation Comparison

The NVIDIA RTX 5000 Ada Generation is the clear performance leader in this comparison, dominating the AMD Radeon Pro W6800X Duo in every shared benchmark. The data shows a 41% advantage in Geekbench OpenCL and a 54.5% advantage in Geekbench Vulkan for the NVIDIA card, making it the definitive choice for compute-heavy workstation tasks. The AMD card, while a capable dual-GPU solution for its intended Mac Pro ecosystem, trails significantly in raw throughput and is now end-of-life, limiting its long-term viability.

Where Each One Wins

The NVIDIA RTX 5000 Ada Generation wins decisively in all head-to-head comparisons. Its Geekbench OpenCL score of 175,286 crushes the AMD's 124,335, a 41% lead that indicates substantially higher raw compute throughput for general-purpose GPU workloads. The Vulkan gap is even wider: NVIDIA scores 194,041 versus AMD's 125,622, a 54.5% margin that suggests NVIDIA's architecture is far better optimized for modern graphics and compute APIs. The AMD Radeon Pro W6800X Duo has no benchmark wins in this dataset. Its only unique benchmark result is a Geekbench Metal score of 157,365, which cannot be directly compared to the NVIDIA card since the RTX 5000 Ada has no Metal benchmark recorded. The AMD card's overall average benchmark score of 135,774 places it in the 96th percentile of all GPUs, but the RTX 5000 Ada's average of 184,664 puts it in the 98th percentile. This means the AMD card is still a high-end performer in absolute terms, but it sits in a lower performance tier than the NVIDIA offering. The use-case split is therefore stark: NVIDIA wins every measurable compute and graphics workload, while AMD's only potential advantage lies in its compatibility with Apple's MPX ecosystem, a factor not reflected in raw benchmark scores.

Architecture Differences

The architectural gap between these two cards is fundamental and explains the performance disparity. The NVIDIA RTX 5000 Ada Generation uses the AD102 chip built on TSMC's 5 nm process, packing 76,300 million transistors into a 609 mm² die, yielding a transistor density of 125.3 million per mm². The AMD Radeon Pro W6800X Duo uses the Navi 21 chip on TSMC's 7 nm process, with only 26,800 million transistors on a 520 mm² die, resulting in a much lower density of 51.5 million per mm². This process advantage alone gives NVIDIA a massive transistor budget. The NVIDIA card features 12,800 shading units, 400 texture mapping units, and 176 ROPs, compared to AMD's 3,840 shading units, 240 TMUs, and 96 ROPs. NVIDIA also has 100 RT cores and 400 tensor cores, while AMD has 60 RT cores and no tensor cores at all. The compute throughput numbers reflect this: NVIDIA delivers 65.28 TFLOPS FP32 and 65.28 TFLOPS FP16 (1:1 ratio), whereas AMD delivers only 15.11 TFLOPS FP32 and 30.21 TFLOPS FP16 (2:1 ratio). NVIDIA's FP16 performance is identical to its FP32, indicating full-rate compute, while AMD's FP16 is only half-rate, a significant disadvantage for AI and machine learning tasks. Both cards have 32 GB of GDDR6 memory on a 256-bit bus, but NVIDIA's memory runs at 2250 MHz (18 Gbps effective) yielding 576.0 GB/s bandwidth, while AMD's runs at 2000 MHz (16 Gbps effective) for 512.0 GB/s. NVIDIA's architecture is newer (Ada Lovelace vs. RDNA 2.0), uses a smaller process node, and offers far higher compute density, which is the root cause of its benchmark dominance.

Head-to-Head Benchmarks

The Geekbench OpenCL test is a clear victory for the NVIDIA RTX 5000 Ada Generation. Its score of 175,286 versus AMD's 124,335 represents a 41% delta, a massive gap in raw compute performance. This test exercises general-purpose GPU compute across a wide range of workloads, and NVIDIA's higher shading unit count, tensor core presence, and faster memory all contribute to this lead. The AMD card's OpenCL score of 124,335 is actually lower than its own Metal score of 157,365, suggesting that OpenCL is not the AMD card's strongest API, but the data still shows NVIDIA holding a commanding edge. The Geekbench Vulkan test is even more lopsided. NVIDIA scores 194,041 against AMD's 125,622, a 54.5% delta. Vulkan is a low-level graphics and compute API that benefits from efficient hardware scheduling and high raw throughput, and NVIDIA's architecture clearly excels here. The RTX 5000 Ada's Vulkan score is also its highest benchmark result, indicating that this card is particularly well-suited for Vulkan-based workloads like modern game engines and scientific visualization. For context, the NVIDIA card's nearest rivals include the NVIDIA A100 SXM4 80 GB at 183,725 (0.5% behind), the A100 SXM4 40 GB at 187,147 (1.3% ahead), and the RTX PRO 5000 Blackwell at 182,109 (1.4% behind). The AMD card's nearest rivals include the Radeon PRO W6800 at 135,396 (0.3% behind) and the NVIDIA RTX 4000 Ada Generation at 135,218 (0.4% behind). These rival comparisons show that NVIDIA's card competes with data-center-class accelerators, while AMD's card competes with mid-range workstation GPUs.

FAQ

Q: Which GPU has a higher average benchmark score?

A: The NVIDIA RTX 5000 Ada Generation has an average benchmark score of 184,664, categorizing it in the 98th percentile of all GPUs. The AMD Radeon Pro W6800X Duo has an average score of 135,774, placing it in the 96th percentile.

Q: How much faster is the NVIDIA card in Vulkan workloads?

A: The NVIDIA RTX 5000 Ada Generation scores 194,041 in Geekbench Vulkan, which is 54.5% higher than the AMD card's score of 125,622.

Q: Does the AMD card have any unique benchmark advantage?

A: Yes, the AMD Radeon Pro W6800X Duo has a Geekbench Metal score of 157,365, a benchmark not run on the NVIDIA card in this dataset. This suggests AMD may be competitive in Apple-specific Metal workloads, though no direct comparison is available.

Q: What are the transistor counts for each GPU?

A: The NVIDIA RTX 5000 Ada Generation has 76,300 million transistors, while the AMD Radeon Pro W6800X Duo has 26,800 million transistors. NVIDIA's transistor count is nearly triple AMD's.

Q: Which card has higher memory bandwidth?

A: The NVIDIA RTX 5000 Ada Generation has 576.0 GB/s of bandwidth, compared to the AMD card's 512.0 GB/s. Both use 32 GB of GDDR6 memory on a 256-bit bus, but NVIDIA's memory clock is higher.

Q: What is the production status of each card?

A: The NVIDIA RTX 5000 Ada Generation is listed as "Active" in production, while the AMD Radeon Pro W6800X Duo is listed as "End-of-life."

Specification Differences

| Specification | NVIDIA RTX 5000 Ada Generation | AMD Radeon Pro W6800X Duo |

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

| Architecture | Ada Lovelace | RDNA 2.0 |

| Process Node | 5 nm | 7 nm |

| Transistors | 76,300 million | 26,800 million |

| Die Size | 609 mm² | 520 mm² |

| Transistor Density | 125.3M / mm² | 51.5M / mm² |

| Base Clock | 1155 MHz | 1800 MHz |

| Boost Clock | 2550 MHz | 1967 MHz |

| Memory Clock | 2250 MHz (18 Gbps effective) | 2000 MHz (16 Gbps effective) |

| Memory Bandwidth | 576.0 GB/s | 512.0 GB/s |

| Shading Units | 12,800 | 3,840 |

| TMUs | 400 | 240 |

| ROPs | 176 | 96 |

| RT Cores | 100 | 60 |

| Tensor Cores | 400 | None |

| Pixel Rate | 448.8 GPixel/s | 188.8 GPixel/s |

| Texture Rate | 1,020.0 GTexel/s | 472.1 GTexel/s |

| FP32 Performance | 65.28 TFLOPS | 15.11 TFLOPS |

| FP16 Performance | 65.28 TFLOPS (1:1) | 30.21 TFLOPS (2:1) |

| TDP | 250 W | 400 W |

| Slot Width | Dual-slot | Quad-slot |

| Power Connectors | 1x 16-pin | None listed |

| Suggested PSU | 600 W | 800 W |

| Bus Interface | PCIe 4.0 x16 | Apple MPX |

| Display Outputs | 4x DisplayPort 1.4a | 1x HDMI 2.1, 4x Thunderbolt |

| Release Date | 2023-08-08 | 2021-08-02 |

| Production Status | Active | End-of-life |

The Verdict

The data is unambiguous: the NVIDIA RTX 5000 Ada Generation is the superior GPU for any workload measured in this comparison. It wins both head-to-head benchmarks by margins of 41% and 54.5%, has a higher average score (184,664 vs. 135,774), and sits in a higher performance percentile (98th vs. 96th). The NVIDIA card's architectural advantages—5 nm process, 76,300 million transistors, 12,800 shading units, 400 tensor cores, and 65.28 TFLOPS FP32—make it a computational powerhouse. Its 250 W TDP is also notably lower than AMD's 400 W, meaning it achieves this performance with less power draw and a smaller dual-slot cooler versus AMD's quad-slot design. The AMD Radeon Pro W6800X Duo is not a bad GPU; its Metal score of 157,365 and 96th percentile ranking show it is a high-end performer. However, it is built on older 7 nm technology, has a third of the transistors, and is end-of-life. Its only potential niche is in Apple Mac Pro systems requiring an MPX bus interface, where the NVIDIA card cannot be installed. For anyone choosing between these two based on benchmark data, the NVIDIA RTX 5000 Ada Generation is the clear winner for OpenCL, Vulkan, and general compute workloads. The AMD card's launch MSRP of 4,999 USD does not change the performance verdict. Choose NVIDIA for raw performance, modern architecture, and future-proofing; choose AMD only if you are locked into the Apple MPX ecosystem and require a Metal-optimized card.