AMD Radeon Pro Vega 64 vs AMD Radeon PRO W7900 Comparison

Where Each One Wins

The AMD Radeon PRO W7900 wins every recorded head-to-head benchmark against the AMD Radeon Pro Vega 64. In OpenCL compute workloads, the W7900 posts 84,379 points versus 71,094 for the Vega 64, a lead of 18.7 percent. The gap widens dramatically in Vulkan: the W7900 scores 137,070 against 74,174, an 84.8 percent advantage. There is no benchmark in the database where the older Vega 64 takes the lead.

The use-case split is therefore straightforward. The W7900 is the choice for any workload that stresses Vulkan performance, where its advantage is nearly double. For OpenCL compute, the W7900 remains clearly ahead but by a narrower margin, suggesting the Vega 64 is less obsolete in pure compute tasks than in graphics-heavy API workloads. The Vega 64 retains a niche only in systems where its integrated form factor (labeled "IGP" for slot width) or its legacy PCIe 3.0 interface matters more than raw performance.

The benchmark averages reinforce the split. The W7900 has an average benchmark score of 110,725 across its two recorded tests, placing it in the 94th percentile of all GPUs. The Vega 64 averages 72,379 across three tests (OpenCL, Vulkan, and Metal), sitting in the 91st percentile. The percentile gap is smaller than the raw score gap, indicating that the Vega 64 is still competitive against the broader GPU population, but the head-to-head data leaves no ambiguity about which card wins.

Architecture Differences

The two cards represent distinct generations of AMD GPU design. The W7900 uses the Navi 31 chip on the RDNA 3.0 architecture, codenamed Plum Bonito, built on a 5 nm process at TSMC. It packs 57,700 million transistors into a 529 mm² die, yielding a transistor density of 109.1 million per mm². The Vega 64 uses the older Vega 10 chip on GCN 5.0, fabricated on a 14 nm process at GlobalFoundries. It contains 12,500 million transistors on a 495 mm² die, with a density of just 25.3 million per mm². The W7900 crams more than four times the transistors into a slightly larger die, with over four times the density.

Memory architecture differs fundamentally. The W7900 has 48 GB of GDDR6 on a 384-bit bus, delivering 864.0 GB/s of bandwidth. The Vega 64 has 16 GB of HBM2 on a 2048-bit bus, achieving 402.4 GB/s. Despite the Vega 64's much wider bus, the W7900's faster memory clocks (2250 MHz versus 786 MHz) more than double the bandwidth. The W7900 also triples memory capacity, a decisive factor for large datasets.

Compute resources favor the W7900 across every metric. It has 6,144 shading units, 384 texture mapping units, and 192 raster operation units, versus 4,096 shading units, 256 TMUs, and 64 ROPs on the Vega 64. The W7900 adds 96 ray tracing cores, which the Vega 64 lacks entirely. Pixel rate is 479.0 GPixel/s versus 86.40 GPixel/s, and texture rate is 958.1 GTexel/s versus 345.6 GTexel/s. Floating-point performance: the W7900 delivers 61.32 TFLOPS FP32 and 61.32 TFLOPS FP16 (1:1 ratio), while the Vega 64 manages 11.06 TFLOPS FP32 and 22.12 TFLOPS FP16 (2:1 ratio). The W7900 is 5.5 times faster in FP32 and 2.8 times faster in FP16.

Process node and API support also differ. The W7900 supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the Vega 64 tops out at DirectX 12 (12_1) and Vulkan 1.3. Both support OpenGL 4.6. The W7900 uses PCIe 4.0 x16; the Vega 64 uses PCIe 3.0 x16. Power draw is 295 W for the W7900 (triple-slot, dual 8-pin connectors, 600 W suggested PSU) versus 250 W for the Vega 64 (integrated, no power connectors). The W7900 is active production; the Vega 64 is end-of-life.

The Verdict

The data points to one clear conclusion: the AMD Radeon PRO W7900 is the superior card in every measured dimension. Its average benchmark score of 110,725 is 53 percent higher than the Vega 64's 72,379. In Vulkan, the W7900 nearly doubles the Vega 64's output. In OpenCL, it leads by nearly a fifth. The W7900 also offers triple the memory, over double the bandwidth, 5.5 times the FP32 throughput, and modern ray tracing hardware that the Vega 64 cannot match.

Who should pick the W7900? Anyone running current or future Vulkan-based rendering workloads, large-scale compute tasks that fit within 48 GB, or ray-traced workflows. The 94th percentile standing confirms it competes with the best GPUs in the database, sitting within 3.2 percent of the NVIDIA Tesla V100 SXM2 16 GB and 2.8 percent behind the NVIDIA RTX A5500 Mobile. Its launch MSRP is 3,999 USD.

Who should pick the Vega 64? Only those constrained by form factor or legacy systems. The Vega 64 is an integrated part (IGP slot width) with no power connectors, making it suitable for compact or proprietary chassis where a triple-slot card cannot fit. Its PCIe 3.0 interface may also be the only option in older platforms. The Vega 64's 91st percentile is respectable, and its OpenCL score of 71,094 is within 18.7 percent of the W7900, so it remains usable for compute. But for any new purchase or upgrade path, the W7900 wins outright.

FAQ

Q: Which card is faster in Vulkan benchmarks?

A: The AMD Radeon PRO W7900 scores 137,070 in Geekbench Vulkan, which is 84.8 percent higher than the Radeon Pro Vega 64's 74,174.

Q: How much memory does each card have?

A: The W7900 has 48 GB of GDDR6, while the Vega 64 has 16 GB of HBM2. The W7900 also has more than double the memory bandwidth at 864.0 GB/s versus 402.4 GB/s.

Q: Does the Vega 64 support ray tracing?

A: No. The Vega 64 has no ray tracing cores. The W7900 includes 96 ray tracing cores.

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

A: The W7900 averages 110,725 across its two recorded tests. The Vega 64 averages 72,379 across three tests.

Q: How do these cards compare to their nearest rivals?

A: The W7900 is 1 percent ahead of the AMD Radeon Pro Vega II, 3.2 percent ahead of the AMD Radeon Pro W6600X, 2.8 percent behind the NVIDIA RTX A5500 Mobile, and 3.2 percent behind the NVIDIA Tesla V100 SXM2 16 GB. The Vega 64 is 0.4 percent ahead of the NVIDIA TITAN X Pascal, 0.9 percent ahead of the AMD Radeon RX 6650M, 1.4 percent behind the AMD Radeon Vega Frontier Edition, and 2.2 percent ahead of the AMD Radeon RX 6600 LE.

Q: Which card has better API support?

A: The W7900 supports DirectX 12 Ultimate (12_2) and Vulkan 1.4. The Vega 64 supports DirectX 12 (12_1) and Vulkan 1.3. Both support OpenGL 4.6.

Head-to-Head Benchmarks

The Geekbench OpenCL test shows the W7900 at 84,379 against the Vega 64's 71,094, a delta of 18.7 percent. This is the closer of the two matchups, and it suggests that the Vega 64's GCN architecture still handles raw compute reasonably well. However, the W7900's advantage in shading units (6,144 versus 4,096) and FP32 throughput (61.32 TFLOPS versus 11.06 TFLOPS) translates into a clear win even here.

The Vulkan test is where the generation gap becomes stark. The W7900 scores 137,070, while the Vega 64 manages 74,174. That is an 84.8 percent advantage, nearly double. The reasons are architectural: the W7900's RDNA 3.0 design with 96 ray tracing cores, modern texture and pixel rates (958.1 GTexel/s and 479.0 GPixel/s versus 345.6 and 86.40), and Vulkan 1.4 support versus 1.3. The Vega 64 was built for a different era of graphics APIs, and it shows.

The W7900's average benchmark score of 110,725 versus the Vega 64's 72,379 works out to a 53 percent overall advantage. In the database's percentile rankings, the W7900 sits at 94 versus the Vega 64's 91. The nearest rival data places the W7900 in a tight cluster with high-end NVIDIA and AMD workstation cards, while the Vega 64 clusters with older enthusiast-class GPUs like the TITAN X Pascal and RX 6650M.

Specification Differences

| Specification | AMD Radeon PRO W7900 | AMD Radeon Pro Vega 64 |

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

| Architecture | RDNA 3.0 | GCN 5.0 |

| Process Node | 5 nm | 14 nm |

| Transistors | 57,700 million | 12,500 million |

| Die Size | 529 mm² | 495 mm² |

| Transistor Density | 109.1M / mm² | 25.3M / mm² |

| Base Clock | 1760 MHz | 1250 MHz |

| Boost Clock | 2495 MHz | 1350 MHz |

| Memory Clock | 2250 MHz (18 Gbps effective) | 786 MHz (1572 Mbps effective) |

| Memory Size | 48 GB | 16 GB |

| Memory Type | GDDR6 | HBM2 |

| Memory Bus | 384 bit | 2048 bit |

| Memory Bandwidth | 864.0 GB/s | 402.4 GB/s |

| Shading Units | 6144 | 4096 |

| TMUs | 384 | 256 |

| ROPs | 192 | 64 |

| Ray Tracing Cores | 96 | None |

| Pixel Rate | 479.0 GPixel/s | 86.40 GPixel/s |

| Texture Rate | 958.1 GTexel/s | 345.6 GTexel/s |

| FP32 Performance | 61.32 TFLOPS | 11.06 TFLOPS |

| FP16 Performance | 61.32 TFLOPS (1:1) | 22.12 TFLOPS (2:1) |

| TDP | 295 W | 250 W |

| Slot Width | Triple-slot | IGP |

| Power Connectors | 2x 8-pin | None |

| Suggested PSU | 600 W | None |

| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |

| DirectX Support | 12 Ultimate (12_2) | 12 (12_1) |

| Vulkan Support | 1.4 | 1.3 |

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

| Release Date | 2023-05-25 | 2017-06-26 |

| Launch MSRP | 3,999 USD | None |