AMD Radeon Pro Vega 48 vs AMD Radeon PRO W6600 Comparison

Where Each One Wins

The benchmark data paints a clear picture of two professional graphics cards aimed at different segments of the workstation market. The AMD Radeon PRO W6600, built on the RDNA 2.0 architecture with the Navi 23 chip, decisively outperforms the older AMD Radeon Pro Vega 48 across every single test in the database. The W6600 wins all three head-to-head benchmark comparisons, with no test going in favor of the Vega 48.

Looking at the raw scores, the W6600 achieves a Geekbench Metal score of 94,042 compared to the Vega 48's 69,010. In OpenCL, the W6600 records 73,514 against 53,757 for the Vega 48. The Vulkan test shows the W6600 at 78,428 while the Vega 48 trails at 57,653. These are substantial margins, with delta percentages ranging from 36% to 36.8% in favor of the newer card.

The average benchmark score reinforces this dominance. The W6600 sits at 81,995 average across all recorded tests, while the Vega 48 averages 60,140. This places the W6600 in the 92nd percentile of all GPUs in the database, compared to the 88th percentile for the Vega 48. While both cards rank in the upper tier of graphics hardware, the W6600 clearly occupies a higher performance bracket.

For professional workloads, this means the W6600 is the choice for tasks that demand maximum throughput in compute-heavy applications. The Vega 48, despite its older GCN 5.0 architecture, still holds its own in the database's rankings, sitting just 0.3% behind the Intel Arc Pro A60 and NVIDIA GeForce RTX 4090 in average score. But it cannot match the raw compute power of the newer Navi-based card.

The use-case split is straightforward: the W6600 wins everywhere, making it the superior option for GPU-accelerated rendering, video encoding, and general workstation compute tasks. The Vega 48, with its integrated graphics processor design and portable device dependent display outputs, appears tailored for Apple Mac systems where it serves as a built-in solution rather than a discrete add-in card.

The Verdict

The data unequivocally favors the AMD Radeon PRO W6600 for anyone seeking maximum workstation performance. It wins all three head-to-head benchmarks by margins between 36% and 36.8%, and its average benchmark score of 81,995 places it 36.3% ahead of the Vega 48's 60,140 average. The W6600 also outperforms its nearest rivals in the database, sitting 1.3% ahead of the AMD Radeon Pro Vega 64X and 2.7% ahead of the NVIDIA GeForce RTX 5090.

For users who require the highest possible compute throughput in Metal, OpenCL, or Vulkan workloads, the W6600 is the clear choice. Its 92nd percentile ranking among all GPUs, combined with its 100 W TDP and single-slot form factor, makes it a compelling option for workstation builds where space and power efficiency matter. The card delivers 9.247 TFLOPS of FP32 performance and 18.49 TFLOPS of FP16 performance, figures that dwarf the Vega 48's 7.373 TFLOPS FP32 and 14.75 TFLOPS FP16.

However, the AMD Radeon Pro Vega 48 is not without its place. As an integrated graphics processor with no power connectors and portable device dependent display outputs, it serves a specific niche in Apple Mac systems. Its 402.4 GB/s memory bandwidth, enabled by HBM2 memory on a 2048-bit bus, exceeds the W6600's 224.0 GB/s GDDR6 bandwidth. For memory-bandwidth-sensitive workloads, the Vega 48 may still offer advantages in certain scenarios, though the benchmark data does not capture such specific use cases.

The Vega 48's nearest rival comparisons show it trading blows with modern cards: it sits 0.3% behind both the Intel Arc Pro A60 and NVIDIA GeForce RTX 4090, while running 2.5% ahead of the AMD Radeon PRO V710 and 2.8% ahead of the NVIDIA P102-100. This indicates that despite its age, the Vega 48 remains a capable performer in the database's rankings.

Ultimately, the verdict hinges on use case. For discrete workstation GPUs in standard PC builds, the W6600 is the superior choice by every measured metric. For Apple Mac systems requiring an integrated solution, the Vega 48 remains the only option of the two, and its benchmark scores demonstrate it can still handle professional workloads competently.

Head-to-Head Benchmarks

The three head-to-head benchmark comparisons in the database all result in wins for the AMD Radeon PRO W6600, with remarkably consistent margins across different API tests.

In Geekbench Metal, the W6600 scores 94,042 against the Vega 48's 69,010. This represents a 36.3% advantage for the newer card. Metal performance is particularly relevant for macOS applications, and the W6600's RDNA 2.0 architecture with 28 ray tracing cores appears to provide substantial benefits in this API. The Vega 48's GCN 5.0 architecture, lacking dedicated ray tracing hardware, cannot match this level of performance.

The OpenCL test shows the largest margin of the three, with the W6600 at 73,514 and the Vega 48 at 53,757, a 36.8% difference. OpenCL remains a common compute API in professional applications, and this result indicates the W6600 handles general-purpose GPU compute tasks significantly better. The W6600's 1,792 shading units operating at a boost clock of 2,580 MHz deliver 9.247 TFLOPS of FP32 throughput, while the Vega 48's 3,072 shading units achieve only 7.373 TFLOPS despite their higher count, due to lower clock speeds.

The Vulkan benchmark shows the W6600 at 78,428 versus the Vega 48's 57,653, a 36% delta. Vulkan's lower-level API overhead benefits architectures with more efficient command processing, and the RDNA 2.0 design in the W6600 demonstrates clear superiority here. The Vega 48 supports Vulkan 1.3, while the W6600 supports Vulkan 1.4, though this version difference alone cannot account for the performance gap.

The consistency of these margins, all falling between 36% and 36.8%, suggests the performance advantage is architectural rather than workload-specific. The W6600 simply executes all three APIs more efficiently than the Vega 48. This consistency also indicates that users migrating from a Vega 48 to a W6600 can expect uniform performance improvements across different applications, rather than gains concentrated in specific test scenarios.

The nearest rival comparisons provide additional context. The W6600's average score of 81,995 places it 1.3% ahead of the AMD Radeon Pro Vega 64X and 3% ahead of the NVIDIA Tesla P100 PCIe 16 GB. The Vega 48's average score of 60,140 places it essentially tied with the Intel Arc Pro A60 and NVIDIA GeForce RTX 4090, both at 0.3% difference, while running ahead of the AMD Radeon PRO V710 by 2.5% and the NVIDIA P102-100 by 2.8%. These rankings show that while the W6600 competes with high-end workstation and datacenter cards, the Vega 48 competes in a lower performance tier.

FAQ

Q: Which card performs better in Metal benchmarks?

A: The AMD Radeon PRO W6600 scores 94,042 in Geekbench Metal, which is 36.3% higher than the AMD Radeon Pro Vega 48's 69,010.

Q: How do the two cards compare in OpenCL performance?

A: The W6600 achieves an OpenCL score of 73,514, while the Vega 48 scores 53,757. This represents a 36.8% advantage for the W6600, the largest margin of any test.

Q: What is the average benchmark score for each card?

A: The AMD Radeon PRO W6600 has an average benchmark score of 81,995 across all tests, while the AMD Radeon Pro Vega 48 averages 60,140. The W6600 ranks in the 92nd percentile of all GPUs, compared to the 88th percentile for the Vega 48.

Q: Does the Vega 48 have any advantages over the W6600?

A: The Vega 48 offers a higher memory bandwidth of 402.4 GB/s using HBM2 memory on a 2048-bit bus, compared to the W6600's 224.0 GB/s on a 128-bit GDDR6 bus. The Vega 48 also has more shading units at 3,072 versus 1,792, though the W6600 achieves higher overall FP32 throughput.

Q: What is the transistor and die size difference?

A: The W6600 uses a 7 nm process with 11,060 million transistors on a 237 mm² die, achieving a density of 46.7 million transistors per square millimeter. The Vega 48 uses a 14 nm process with 12,500 million transistors on a 495 mm² die, with a density of 25.3 million transistors per square millimeter.

Q: Which card supports ray tracing?

A: The AMD Radeon PRO W6600 includes 28 dedicated ray tracing cores as part of its RDNA 2.0 architecture. The AMD Radeon Pro Vega 48, based on GCN 5.0, does not list any ray tracing cores in the database.

Architecture Differences

The architectural gap between these two cards spans multiple generations of AMD GPU design. The AMD Radeon PRO W6600 uses the Navi 23 chip built on RDNA 2.0 architecture, manufactured on TSMC's 7 nm process. The AMD Radeon Pro Vega 48 uses the Vega 10 chip with GCN 5.0 architecture, manufactured by GlobalFoundries on a 14 nm process. This process node difference alone, 7 nm versus 14 nm, accounts for significant efficiency and density gains in the newer card.

The transistor counts tell an interesting story. The Vega 48 actually has more transistors at 12,500 million, compared to the W6600's 11,060 million. However, the Vega 48 spreads these transistors across a much larger die of 495 mm², while the W6600 fits its transistors into just 237 mm². This results in a transistor density of 46.7 million per square millimeter for the W6600, nearly double the Vega 48's 25.3 million per square millimeter. The smaller, denser die enables the W6600 to achieve higher clock speeds with lower power consumption.

Clock speeds differ substantially. The W6600 has a base clock of 2,331 MHz and a boost clock of 2,580 MHz. The Vega 48 does not have recorded base or boost clock values in the database, but its memory clock is listed at 786 MHz with 1,572 Mbps effective speed. The W6600's memory operates at 1,750 MHz with 14 Gbps effective speed. These clock differences, combined with architectural efficiency improvements, explain the W6600's performance advantage despite having fewer shading units.

The compute unit configurations diverge significantly. The W6600 features 1,792 shading units, 112 texture mapping units, and 64 render output units. The Vega 48 has 3,072 shading units, 192 texture mapping units, and 64 render output units. Despite having fewer shading units, the W6600 achieves higher pixel and texture rates: 165.1 GPixel/s and 289.0 GTexel/s, respectively, compared to the Vega 48's 76.80 GPixel/s and 230.4 GTexel/s. The W6600 also delivers more FP32 compute at 9.247 TFLOPS versus 7.373 TFLOPS, and more FP16 compute at 18.49 TFLOPS versus 14.75 TFLOPS.

Memory subsystems take different approaches. The W6600 uses 8 GB of GDDR6 memory on a 128-bit bus, providing 224.0 GB/s of bandwidth. The Vega 48 uses 8 GB of HBM2 memory on a massive 2048-bit bus, delivering 402.4 GB/s of bandwidth. While the Vega 48 has nearly double the memory bandwidth, this advantage does not translate to better benchmark scores, suggesting the W6600's architecture manages memory more efficiently or that the benchmarks are not bandwidth-limited.

Power and physical specifications reveal different design philosophies. The W6600 is a discrete single-slot card with a 100 W TDP, requiring a single 6-pin power connector and a 300 W suggested power supply. It measures 241 mm in length and uses a PCIe 4.0 x8 bus interface. The Vega 48 is an integrated graphics processor with no power connectors and no recorded TDP, using a PCIe 3.0 x16 interface. Its display outputs are described as portable device dependent, indicating it is designed for laptop or all-in-one systems rather than desktop workstations.

API support also differs. The W6600 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Vega 48 supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.3. The W6600's ray tracing cores enable DirectX 12 Ultimate features that the Vega 48 cannot provide. The W6600 supports PCIe 4.0, while the Vega 48 is limited to PCIe 3.0. The W6600 was released on 2021-06-07, while the Vega 48 came earlier on 2019-03-18. Both cards are now end-of-life products, but the W6600's newer architecture and process node give it a clear technical edge in nearly every measured category.