AMD Radeon Pro W5700X vs AMD Radeon RX 6900 XT Comparison

# AMD Radeon Pro W5700X vs AMD Radeon RX 6900 XT

The AMD Radeon Pro W5700X and AMD Radeon RX 6900 XT are both AMD GPUs built on a 7 nm TSMC process, but they target different segments of the market. The Pro W5700X is a workstation-oriented card from the Radeon Pro Mac series, while the RX 6900 XT is a flagship consumer part from the Radeon RX 6000 series. Benchmark data shows a clear performance hierarchy, with the RX 6900 XT dominating every shared test, but the two cards also differ substantially in architecture, memory configuration, and physical design. This analysis breaks down the head-to-head results, architectural changes, and use-case implications from the available data.

Head-to-Head Benchmarks

The head-to-head benchmark comparison includes three Geekbench tests, and the AMD Radeon RX 6900 XT wins all three. In Geekbench Metal, the RX 6900 XT scores 177,021 against the Pro W5700X's 75,427, a delta of -57.4% from the perspective of the Pro card. This means the RX 6900 XT is more than double the score of the Pro W5700X in Metal, which is a significant margin for any GPU comparison. The gap widens further in Geekbench OpenCL, where the RX 6900 XT posts 187,673 versus 43,810 for the Pro W5700X, a delta of -76.7%. That is a massive difference, indicating the RX 6900 XT delivers roughly 4.3 times the OpenCL performance of the Pro card in this specific test.

Geekbench Vulkan shows a similar trend, with the RX 6900 XT scoring 148,525 against the Pro W5700X's 45,246, a delta of -69.5%. Here, the RX 6900 XT is about 3.3 times faster. Notably, the Pro W5700X's best result is its Metal score of 75,427, while its OpenCL and Vulkan scores are 43,810 and 45,246, respectively. The RX 6900 XT's strongest result is in OpenCL at 187,673, followed by Metal at 177,021 and Vulkan at 148,525. Across all three tests, the RX 6900 XT's average performance is decisively higher. The Pro W5700X has zero wins in this head-to-head, while the RX 6900 XT claims all three.

The average benchmark scores reinforce this picture. The Pro W5700X has an average benchmark score of 54,828, while the RX 6900 XT averages 50,951. Interestingly, the Pro W5700X has a higher average score despite losing every head-to-head test, which is explained by the differing benchmark suites available for each card. The Pro W5700X's nearest rivals include the NVIDIA GeForce RTX 4080 at 54,247 (deltaPct 1.1%) and the RTX 4080 SUPER at 54,209 (deltaPct 1.1%), meaning the Pro card sits within about 1% of those GPUs in average score. The RX 6900 XT's nearest rivals include the NVIDIA CMP 50HX at 51,790 (deltaPct -1.6%) and the AMD Radeon RX Vega 64 at 50,001 (deltaPct 1.9%), placing it in a similar performance band. Both cards occupy the 86th to 87th percentile among all GPUs, with the Pro W5700X at 87 and the RX 6900 XT at 86.

Architecture Differences

The architectural gap between these two cards is substantial. The Pro W5700X is built on the Navi 10 chip using RDNA 1.0 architecture, while the RX 6900 XT uses the Navi 21 chip with RDNA 2.0. This is a generational leap, as RDNA 2.0 introduces hardware ray tracing, which RDNA 1.0 lacks. The RX 6900 XT has 80 ray tracing cores, while the Pro W5700X has none listed. The transistor counts reflect the scale difference: the Pro W5700X has 10,300 million transistors on a 251 mm² die, while the RX 6900 XT packs 26,800 million transistors on a 520 mm² die. The transistor density also differs, with the Pro W5700X at 41.0M / mm² and the RX 6900 XT at 51.5M / mm², indicating the RX 6900 XT uses a more compact layout.

The compute resources are dramatically different. The Pro W5700X has 2,560 shading units, 160 texture mapping units, and 64 render output units. The RX 6900 XT doubles these numbers: 5,120 shading units, 320 TMUs, and 128 ROPs. This directly translates to higher throughput rates. The Pro W5700X achieves a pixel rate of 130.6 GPixel/s and a texture rate of 326.4 GTexel/s, while the RX 6900 XT reaches 288.0 GPixel/s and 720.0 GTexel/s. The FP32 compute performance is 10.44 TFLOPS for the Pro W5700X versus 23.04 TFLOPS for the RX 6900 XT, and FP16 figures are 20.89 TFLOPS and 46.08 TFLOPS, respectively, both at a 2:1 ratio.

Clock speeds also favor the RX 6900 XT. The Pro W5700X has a base clock of 1243 MHz and a boost clock of 2040 MHz, while the RX 6900 XT operates at a base of 1825 MHz, a game clock of 2015 MHz, and a boost of 2250 MHz. The memory architecture is similar in width—both use a 256-bit bus with 16 GB of GDDR6—but the effective memory speed differs. The Pro W5700X runs at 1750 MHz with 14 Gbps effective, yielding 448.0 GB/s of bandwidth. The RX 6900 XT runs at 2000 MHz with 16 Gbps effective, yielding 512.0 GB/s. Both support DirectX 12, but the Pro W5700X is rated for 12 (12_1), while the RX 6900 XT supports 12 Ultimate (12_2). OpenGL support is identical at 4.6, and Vulkan is 1.4 for both.

Where Each One Wins

Based on the benchmark data, the RX 6900 XT wins in every measured category, so the use-case split is largely about context rather than raw performance. The RX 6900 XT is the clear choice for compute-heavy workloads, as evidenced by its Geekbench OpenCL score of 187,673, which is 76.7% ahead of the Pro W5700X. This makes it better suited for general-purpose GPU compute, including tasks like rendering, simulation, and machine learning inference, provided the software can utilize RDNA 2.0's feature set. The RX 6900 XT also excels in graphics APIs like Metal and Vulkan, with scores of 177,021 and 148,525, respectively, making it the stronger option for gaming and real-time 3D applications.

The Pro W5700X, despite losing all head-to-head tests, still holds relevance in specific workstation scenarios. Its average benchmark score of 54,828 is actually higher than the RX 6900 XT's 50,951, which suggests that across a broader benchmark suite, the Pro card performs competitively in certain workloads not covered by the head-to-head tests. Its nearest rivals include the RTX 4080 and RTX 4080 SUPER, both within 1.1% of its average score, indicating it sits in a high-end performance tier. The Pro W5700X's design as an Apple MPX card with four Thunderbolt outputs and a quad-slot form factor suggests it is intended for Mac Pro systems where connectivity and multi-display support matter more than raw compute. The RX 6900 XT, with a triple-slot design and PCIe 4.0 x16 interface, is more conventional for PC builds.

For gaming, the RX 6900 XT is the obvious winner due to its superior compute and ray tracing capabilities. The Pro W5700X, lacking ray tracing cores and using the older RDNA 1.0 architecture, would struggle in modern titles that leverage DirectX 12 Ultimate features. For professional 3D rendering, the RX 6900 XT's higher FP32 throughput (23.04 TFLOPS) and larger texture rate (720.0 GTexel/s) provide a significant advantage. However, the Pro W5700X's lower TDP of 205 W versus 300 W means it may be preferable in power-constrained environments, though the RX 6900 XT's suggested PSU of 700 W is a consideration for system builders.

Specification Differences

The two cards differ on nearly every specification except for memory size, memory type, memory bus width, foundry, process node, manufacturer, OpenGL version, Vulkan version, and launch MSRP. Both have 16 GB of GDDR6 on a 256-bit bus, are made by AMD at TSMC on a 7 nm process, support OpenGL 4.6 and Vulkan 1.4, and launched at 999 USD. The RX 6900 XT is larger in every physical dimension: it measures 267 mm in length versus 305 mm for the Pro W5700X, and while the Pro card has no listed height or width, the RX 6900 XT is 120 mm high and 50 mm wide. The Pro W5700X is quad-slot, while the RX 6900 XT is triple-slot. Power connectors differ, with the RX 6900 XT using 2x 8-pin and the Pro W5700X having none listed.

The bus interface is a major differentiator: the Pro W5700X uses Apple MPX, while the RX 6900 XT uses PCIe 4.0 x16. Display outputs also diverge, with the Pro W5700X offering 1x HDMI 2.0b and 4x Thunderbolt, while the RX 6900 XT has 1x HDMI 2.1, 2x DisplayPort 1.4a, and 1x USB Type-C. The RX 6900 XT has a game clock of 2015 MHz, which the Pro W5700X lacks entirely. The production status is end-of-life for both, but the release dates differ: the Pro W5700X launched on 2019-12-10, while the RX 6900 XT launched on 2020-10-27. The RX 6900 XT has a predecessor and successor listed (Navi and Navi III), while the Pro W5700X has none. The RX 6900 XT also has a series designation (Radeon RX 6000 series) and a generation (Navi II), whereas the Pro W5700X only lists a generation of Radeon Pro Mac (Navi Series).

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon Pro W5700X has an average benchmark score of 54,828, while the AMD Radeon RX 6900 XT averages 50,951. The Pro W5700X also sits at the 87th percentile among all GPUs, compared to the RX 6900 XT's 86th percentile.

Q: How much faster is the RX 6900 XT in Geekbench OpenCL?

A: The RX 6900 XT scores 187,673 in Geekbench OpenCL, which is 76.7% higher than the Pro W5700X's score of 43,810. This represents the largest performance gap between the two cards in any shared benchmark.

Q: Do both cards support hardware ray tracing?

A: No. The RX 6900 XT has 80 ray tracing cores, while the Pro W5700X has none listed. This is due to the architecture difference: the RX 6900 XT uses RDNA 2.0, while the Pro W5700X uses RDNA 1.0.

Q: What is the memory bandwidth difference between the two cards?

A: The RX 6900 XT has a memory bandwidth of 512.0 GB/s, while the Pro W5700X has 448.0 GB/s. Both use 16 GB of GDDR6 on a 256-bit bus, but the RX 6900 XT runs at 16 Gbps effective versus 14 Gbps for the Pro W5700X.

Q: Are the launch prices the same for both GPUs?

A: Yes, both the AMD Radeon Pro W5700X and the AMD Radeon RX 6900 XT had a launch MSRP of 999 USD.

Q: Which card has more shading units?

A: The RX 6900 XT has 5,120 shading units, exactly double the Pro W5700X's 2,560. The RX 6900 XT also has 320 TMUs and 128 ROPs, compared to 160 TMUs and 64 ROPs on the Pro W5700X.