AMD Radeon Pro W6600X vs NVIDIA Quadro RTX 6000 Comparison

# AMD Radeon Pro W6600X vs NVIDIA Quadro RTX 6000

The benchmark data places these two workstation cards in adjacent performance tiers, with the AMD Radeon Pro W6600X averaging 107,342 in Geekbench Metal tests against the NVIDIA Quadro RTX 6000’s 101,108 average across OpenCL and Vulkan tests. That 6.2% delta—where the AMD card leads the NVIDIA card—is notable given the stark architectural differences between the two. The W6600X sits at the 96th percentile of all GPUs, while the RTX 6000 rests at the 95th, making them statistically near-neighbors in overall performance distribution. The data suggests these cards were designed for different eras and different workloads, yet they land within striking distance of each other in raw compute benchmarks.

The Verdict

The AMD Radeon Pro W6600X is the card for users prioritizing raw Metal performance and power efficiency. Its 107,342 Geekbench Metal score beats the RTX 6000 by 6.2%, and its 120 W TDP is less than half the NVIDIA card's 260 W draw. The RTX 6000, meanwhile, offers 24 GB of memory versus the W6600X's 8 GB, a 3x capacity advantage that matters for large datasets. The RTX 6000 also has 576 tensor cores and 72 RT cores, making it the choice for NVIDIA-centric workflows involving ray tracing or AI acceleration—though the W6600X counters with 32 RT cores of its own.

Data shows the W6600X is also closer to the top of its peer group: it trails the Radeon Pro Vega II by only 2.4% and the Vega II Duo by 6.6%, while beating the RTX A5500 Mobile by 5.8% from the opposite direction. The RTX 6000, by contrast, leads the RTX A4500 by 9.7% and the RX 7900M by 10.2%, but trails the Vega II by 8.1% and the W6600X by 5.8%. Neither card dominates its class outright, but the W6600X edges ahead in the direct comparison while consuming far less power.

Users needing massive memory capacity for rendering scenes or training models should pick the RTX 6000. Users who want a lower-power card that still outperforms the RTX 6000 in Metal benchmarks should pick the W6600X. The choice ultimately hinges on whether memory capacity or compute efficiency matters more for the target workload.

Architecture Differences

The W6600X uses the Navi 23 chip on a 7 nm TSMC process, while the RTX 6000 uses the TU102 chip on a 12 nm process. This process gap explains the density difference: the W6600X packs 11,060 million transistors into 237 mm² for a density of 46.7 million transistors per mm², whereas the RTX 6000 spreads 18,600 million transistors across 754 mm² at 24.7 million per mm². The AMD chip is physically smaller but denser, enabling its lower power draw.

Core configurations diverge sharply between the two. The W6600X has 2,048 shading units, 128 texture mapping units, and 64 ROPs, while the RTX 6000 has 4,608 shading units, 288 TMUs, and 96 ROPs—more than double the shader count and TMUs. The RTX 6000 also carries 72 RT cores and 576 tensor cores, whereas the W6600X lists 32 RT cores and no tensor core count. Memory systems differ as well: the W6600X uses 8 GB of GDDR6 on a 128-bit bus for 256.0 GB/s bandwidth, while the RTX 6000 uses 24 GB of GDDR6 on a 384-bit bus for 672.0 GB/s.

Clock speeds favor the AMD card. The W6600X runs at 2068 MHz base and 2479 MHz boost, against the RTX 6000's 1440 MHz base and 1770 MHz boost. Memory clocks also differ: 2000 MHz (16 Gbps effective) for the W6600X versus 1750 MHz (14 Gbps effective) for the RTX 6000. Despite the NVIDIA card's larger core count, the AMD card's higher clocks produce competitive compute throughput.

The bus interfaces tell a platform story. The W6600X uses Apple MPX, while the RTX 6000 uses PCIe 3.0 x16. The W6600X has no display outputs, while the RTX 6000 has four DisplayPort 1.4a connectors plus one USB Type-C. The production status for both is end-of-life, but the release dates differ: the W6600X launched on 2021-08-02, while the RTX 6000 launched on 2018-08-12—a three-year gap that explains the architectural generational leap.

Head-to-Head Benchmarks

The direct benchmark comparison shows the W6600X ahead by 6.2% in average score. This margin is modest but consistent with the W6600X's positioning relative to its nearest rivals. The RTX 6000’s OpenCL score of 74,179 and Vulkan score of 128,037 reveal variance across APIs—the Vulkan result is notably higher than the average, suggesting API-specific optimization opportunities.

In the broader context, the W6600X’s average of 107,342 places it above the RTX 6000 but below the RTX A5500 Mobile (113,944, which beats the W6600X by 5.8%) and the Vega II Duo (114,878, ahead by 6.6%). The RTX 6000’s average of 101,108 puts it above the RTX A4500 (92,145, which trails by 9.7%) and the RX 7900M (91,713, which trails by 10.2%). These deltas show the RTX 6000 is closer to the bottom of its rival cluster, while the W6600X sits nearer the middle.

The score gap between the two cards—6.2% in favor of the W6600X—is smaller than the gap between the RTX 6000 and its top rival (8.1% behind the Vega II). This suggests the W6600X and RTX 6000 are more closely matched than either is to its other competitors. The RTX 6000’s Vulkan score of 128,037 exceeds the W6600X’s average by roughly 19%, but no Vulkan score exists for the W6600X, so cross-API comparisons remain incomplete.

The data indicates that in Metal workloads, the W6600X holds a clear edge. In Vulkan, the RTX 6000 demonstrates strength that its average score does not capture. For OpenCL, the RTX 6000’s 74,179 is significantly lower than its Vulkan result, implying workload-dependent behavior that users should consider.

FAQ

Q: Which card has the higher average benchmark score?

A: The AMD Radeon Pro W6600X averages 107,342, which is 6.2% higher than the NVIDIA Quadro RTX 6000’s average of 101,108.

Q: How much memory does each card offer?

A: The W6600X has 8 GB of GDDR6, while the RTX 6000 has 24 GB of GDDR6—a 3x capacity difference.

Q: What are the power consumption figures for these cards?

A: The W6600X has a TDP of 120 W with a suggested PSU of 300 W, while the RTX 6000 has a TDP of 260 W and a suggested PSU of 600 W.

Q: Does the RTX 6000 have tensor cores?

A: Yes, the RTX 6000 has 576 tensor cores, while the W6600X has no listed tensor core count.

Q: What process nodes do the two chips use?

A: The W6600X uses a 7 nm TSMC process, while the RTX 6000 uses a 12 nm TSMC process.

Q: Which card has a higher boost clock?

A: The W6600X boosts to 2479 MHz, versus the RTX 6000’s 1770 MHz boost clock.

Where Each One Wins

The W6600X wins in raw compute density and efficiency. Its fp32 throughput of 10.15 TFLOPS and fp16 of 20.31 TFLOPS (2:1) are lower than the RTX 6000’s 16.31 and 32.62 TFLOPS respectively, yet the AMD card achieves a higher benchmark average while drawing 140 W less power. This makes the W6600X the better choice for power-constrained environments or systems where heat dissipation is a concern. Its pixel rate of 158.7 GPixel/s and texture rate of 317.3 GTexel/s are lower than the RTX 6000’s 169.9 and 509.8, but the benchmark score suggests real-world Metal performance compensates.

The RTX 6000 wins in memory capacity and bandwidth. With 672.0 GB/s against the W6600X’s 256.0 GB/s, the NVIDIA card moves data nearly 2.6x faster. The 24 GB capacity is critical for large models or high-resolution textures that exceed 8 GB. The RTX 6000 also has 576 tensor cores, enabling AI and deep learning workloads that the W6600X cannot accelerate in the same way. The RTX 6000’s 4x DisplayPort 1.4a and USB Type-C outputs make it a standalone display solution, whereas the W6600X has no outputs and relies on the Apple MPX platform.

For compute-heavy tasks like rendering with Metal, the W6600X’s 6.2% average score advantage makes it the winner. For memory-bound tasks like training large neural networks or processing high-resolution video, the RTX 6000’s 24 GB and higher bandwidth are decisive. The RTX 6000’s Vulkan score of 128,037 also suggests it excels in Vulkan-based applications, though no comparable Vulkan score exists for the W6600X.

Specification Differences

| Specification | AMD Radeon Pro W6600X | NVIDIA Quadro RTX 6000 |

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

| Chip | Navi 23 | TU102 |

| Architecture | RDNA 2.0 | Turing |

| Process Node | 7 nm | 12 nm |

| Transistors | 11,060 million | 18,600 million |

| Die Size | 237 mm² | 754 mm² |

| Transistor Density | 46.7M / mm² | 24.7M / mm² |

| Base Clock | 2068 MHz | 1440 MHz |

| Boost Clock | 2479 MHz | 1770 MHz |

| Memory Size | 8 GB | 24 GB |

| Memory Bus Width | 128 bit | 384 bit |

| Memory Bandwidth | 256.0 GB/s | 672.0 GB/s |

| Shading Units | 2048 | 4608 |

| TMUs | 128 | 288 |

| ROPs | 64 | 96 |

| RT Cores | 32 | 72 |

| Tensor Cores | None listed | 576 |

| FP32 Performance | 10.15 TFLOPS | 16.31 TFLOPS |

| FP16 Performance | 20.31 TFLOPS (2:1) | 32.62 TFLOPS (2:1) |

| Pixel Rate | 158.7 GPixel/s | 169.9 GPixel/s |

| Texture Rate | 317.3 GTexel/s | 509.8 GTexel/s |

| TDP | 120 W | 260 W |

| Power Connectors | None listed | 1x 6-pin + 1x 8-pin |

| Suggested PSU | 300 W | 600 W |

| Bus Interface | Apple MPX | PCIe 3.0 x16 |

| Display Outputs | No outputs | 4x DisplayPort 1.4a, 1x USB Type-C |

| Release Date | 2021-08-02 | 2018-08-12 |

| Launch MSRP | 699 USD | 6,299 USD |

The specification table underscores the generational divide: the W6600X achieves competitive performance with far fewer cores and less memory bandwidth, relying on a denser process and higher clocks. The RTX 6000 compensates with brute-force core counts and memory resources. Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, keeping API compatibility identical. The W6600X’s 96th percentile ranking versus the RTX 6000’s 95th percentile confirms that despite architectural differences, they occupy nearly the same performance tier in the global GPU landscape.