AMD Radeon Pro W6600X vs AMD Radeon Pro WX 8200 Comparison

Head-to-Head Benchmarks

The recorded data contains a single direct benchmark comparison between these two professional workstation cards: Geekbench Metal. The AMD Radeon Pro W6600X scores 107,342, while the AMD Radeon Pro WX 8200 scores 70,759. This yields a delta of 51.7%, meaning the W6600X is more than half again as fast in this particular API test. That is a commanding margin, not a marginal one.

Contextualizing the W6600X against its nearest rivals in the database makes the result clearer. It sits 0.6% above the AMD Radeon Pro Vega II Duo (106,750), 2.1% below the AMD Radeon Pro Vega II (109,617), and 3.1% below the AMD Radeon PRO W7900 (110,725). Against the NVIDIA Quadro RTX 6000 (101,872), it leads by 5.4%. The W6600X occupies a percentile rank of 94 among all GPUs. In practical terms, the Metal score places it in the upper tier of the database, trading blows with much larger and power-hungrier workstation flagships.

The WX 8200, by contrast, lands at percentile 90, with an average benchmark score of 69,870 across its three recorded tests (Metal, OpenCL, and Vulkan). Its nearest rivals cluster tightly around that figure: the NVIDIA Quadro P6000 (69,986) is 0.2% ahead, the NVIDIA RTX A3000 Mobile (70,140) is 0.4% ahead, the AMD Radeon RX 6600 LE (70,829) is 1.4% ahead, and the NVIDIA CMP 90HX (69,000) trails by 1.3%. This tight pack of results suggests the WX 8200 is a solidly mid-tier performer in the database, competitive with those specific cards but far behind the W6600X.

The Metal delta of 51.7% is substantial enough that no amount of OpenCL or Vulkan tuning would plausibly close the gap. The W6600X wins the only head-to-head test recorded. There are no benchmark entries where the WX 8200 comes out ahead.

The Verdict

The data points to a clear choice for most buyers: the AMD Radeon Pro W6600X delivers 51.7% higher Metal performance than the AMD Radeon Pro WX 8200, and it does so while consuming 120 W versus 230 W. It also reaches a 94th percentile rank versus 90th. If the workload is Metal-centric, which is the only benchmark category with direct comparison data, the W6600X is the stronger card by a wide margin.

However, the WX 8200 is not without its own arguments. It supports OpenCL and Vulkan in the recorded benchmarks, whereas the W6600X has only a Metal result in the database. For users running OpenCL or Vulkan workflows, the WX 8200 has verified scores (69,774 OpenCL, 69,076 Vulkan), while the W6600X has no recorded data for those APIs. That does not mean the W6600X would fail such tests, only that the database cannot confirm its behavior there.

The WX 8200 also uses PCIe 3.0 x16 natively, making it compatible with standard workstation motherboards. The W6600X uses the Apple MPX bus interface and lists no display outputs, which strongly implies it is designed for Mac Pro enclosures rather than general PC builds. A builder targeting a conventional PCIe workstation should note this interface difference before committing.

Where Each One Wins

The AMD Radeon Pro W6600X wins decisively in Metal performance. Its 107,342 score against 70,759 is the single verified head-to-head result, and the 51.7% advantage is the headline figure. It also wins on efficiency in the data: 120 W TDP versus 230 W, and a suggested PSU of 300 W versus 550 W. The W6600X achieves its higher score with 2048 shading units and 32 ray accelerators on a 7 nm TSMC die (11,060 million transistors, 237 mm²). The architecture is RDNA 2.0, which brings hardware ray tracing support via those 32 RT cores.

The AMD Radeon Pro WX 8200 wins in raw compute throughput metrics that do not translate into Metal wins. Its FP32 rating is 10.75 TFLOPS versus 10.15 TFLOPS, a small edge. Its texture rate is 336.0 GTexel/s versus 317.3 GTexel/s, another modest lead. Memory bandwidth is a clear WX 8200 advantage: 512.0 GB/s over a 2048-bit HBM2 bus, versus 256.0 GB/s over a 128-bit GDDR6 bus. For bandwidth-hungry workloads like large data sets or high-resolution textures, the WX 8200 has twice the memory bandwidth. The WX 8200 also has more shading units (3584 versus 2048) and more texture mapping units (224 versus 128), though its lower clock speeds (1200 MHz base, 1500 MHz boost) undercut that advantage in the Metal test.

The WX 8200 wins on connectivity. It provides 4x mini-DisplayPort 1.4a outputs, while the W6600X lists no outputs. The WX 8200 is a physical card that fits a standard PCIe slot, measures 267 mm in length and 111 mm in height, and requires 1x 6-pin plus 1x 8-pin power connectors. The W6600X has no listed power connectors and uses the Apple MPX interface.

FAQ

Q: Which card is faster in Geekbench Metal?

A: The AMD Radeon Pro W6600X scores 107,342 versus 70,759 for the AMD Radeon Pro WX 8200, a 51.7% advantage.

Q: Does the WX 8200 have any benchmark results the W6600X lacks?

A: Yes. The WX 8200 has recorded Geekbench OpenCL (69,774) and Vulkan (69,076) scores. The W6600X only has a Metal result in the database.

Q: How much memory bandwidth does each card have?

A: The WX 8200 has 512.0 GB/s over a 2048-bit HBM2 bus. The W6600X has 256.0 GB/s over a 128-bit GDDR6 bus. The WX 8200 has exactly twice the bandwidth.

Q: What power supply is suggested for each card?

A: The W6600X suggests a 300 W PSU and has a 120 W TDP. The WX 8200 suggests a 550 W PSU and has a 230 W TDP.

Q: Can the W6600X be installed in a standard PCIe workstation?

A: The data does not support that. The W6600X uses the Apple MPX bus interface and lists no display outputs. The WX 8200 uses PCIe 3.0 x16 and has 4x mini-DisplayPort outputs.

Q: Which card has hardware ray tracing?

A: The W6600X has 32 RT cores as part of the RDNA 2.0 architecture. The WX 8200 lists no RT cores.

Architecture Differences

The two cards come from different architectural generations. The W6600X uses the Navi 23 chip built on RDNA 2.0, fabricated by TSMC at 7 nm. The WX 8200 uses the Vega 10 chip built on GCN 5.0, fabricated by GlobalFoundries at 14 nm. The process node difference is significant: 7 nm versus 14 nm, which partly explains the W6600X's higher clocks (2068 MHz base, 2479 MHz boost) versus the WX 8200 (1200 MHz base, 1500 MHz boost).

Transistor counts are similar in absolute terms: 11,060 million for the W6600X versus 12,500 million for the WX 8200. But the die size tells the density story. The W6600X packs those transistors into 237 mm², yielding 46.7 million transistors per mm². The WX 8200 spreads 12,500 million across 495 mm², yielding 25.3 million per mm². The newer process nearly doubles transistor density.

Memory architecture differs fundamentally. The W6600X uses 8 GB of GDDR6 on a 128-bit bus. The WX 8200 uses 8 GB of HBM2 on a 2048-bit bus. This explains the bandwidth gap: 256.0 GB/s versus 512.0 GB/s. The WX 8200's memory clock is listed at 1000 MHz with 2 Gbps effective, while the W6600X runs at 2000 MHz with 16 Gbps effective. The WX 8200 compensates for slower per-pin speeds with a much wider bus.

Shader configuration also differs. The W6600X has 2048 shading units, 128 TMUs, and 64 ROPs. The WX 8200 has 3584 shading units, 224 TMUs, and 64 ROPs. Despite fewer shaders, the W6600X achieves a higher pixel rate (158.7 GPixel/s versus 96.00 GPixel/s) and a slightly lower texture rate (317.3 GTexel/s versus 336.0 GTexel/s). The W6600X's higher clocks overcome its lower unit counts.

API support diverges as well. The W6600X supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The WX 8200 supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.3. The W6600X also has 32 RT cores, which the WX 8200 lacks entirely.

Specification Differences

The W6600X has a launch MSRP of 699 USD; the WX 8200 launched at 999 USD. Both are end-of-life products. The W6600X was released in 2021-08-02, the WX 8200 in 2018-08-12.

The W6600X has no listed power connectors listed; the WX 8200 requires 1x 6-pin plus 1x 8-pin. The W6600X uses an Apple MPX bus; the W6600X uses PCIe 3.0 x16. Display outputs: none for the W6600X, 4x mini-DisplayPort 1.4a for the WX 8200. The WX 8200 measures 267 mm in length and 111 mm in height. The W6600X lists no dimensions in the database. Both are dual-slot cards.

FP32 performance is close: 10.15 TFLOPS for the W6600X versus 10.75 for the WX 8200. FP16 figures are 20.31 TFLOPS and 21.50 TFLOPS respectively, both at a 2:1 ratio. The WX 8200 has a predecessor (Radeon Pro GCN and successor (Radeon Pro Vega listed in its generation entry. The W6600X has no listed predecessor or successor in the database. The W6600X's generation is "Radeon Pro Mac (Navi II Series)", while the WX 8200's generation is "Radeon Pro Polaris (WX x200)".

In summary, the W6600X wins on process efficiency, clocks, Metal performance, ray tracing support, newer API versions, and a lower TDP. The WX 8200 counters with higher raw compute rates, double memory bandwidth, standard PCIe connectivity, and display outputs. For Metal-based workloads, the W6600X is the stronger pick by a 51.7% margin. For traditional workstation installations requiring display output and standard bus compatibility, the WX 8200 has the necessary physical interfaces, though it is measurably slower in the one test where both have recorded data.