AMD Radeon RX 9050 OEM vs Intel Arc B580 Comparison

FAQ

Q: What are the core architectural differences between the AMD Radeon RX 9050 OEM and the Intel Arc B580?

A: The RX 9050 OEM uses AMD's RDNA 4.0 architecture on a 4 nm TSMC process with the Navi 44 chip, while the Arc B580 uses Intel's Xe2-HPG architecture on a 5 nm TSMC process with the BMG-G21 chip. The RX 9050 OEM has 1024 shading units, 64 TMUs, and 16 ray tracing cores; the Arc B580 has 2560 shading units, 160 TMUs, and 20 ray tracing cores.

Q: How do their memory subsystems compare?

A: The RX 9050 OEM has 4 GB of GDDR6 on a 64-bit bus with 144.0 GB/s bandwidth. The Arc B580 has 12 GB of GDDR6 on a 192-bit bus with 456.0 GB/s bandwidth. The Arc B580 delivers over 3 times the memory bandwidth and 3 times the capacity.

Q: What is the performance percentile ranking for each card in the database?

A: The RX 9050 OEM sits at the 50th percentile among all GPUs, while the Arc B580 ranks at the 68th percentile. The Arc B580 also has a recorded average benchmark score of 23021, whereas the RX 9050 OEM has no recorded benchmark entries.

Q: Which card has a higher FP32 compute throughput?

A: The Arc B580 delivers 13.67 TFLOPS FP32, compared to 10.65 TFLOPS for the RX 9050 OEM. That puts the Arc B580 roughly 28% ahead in raw single-precision compute.

Q: What are the power and interface differences?

A: The RX 9050 OEM has a 92 W TDP with a suggested 250 W PSU, while the Arc B580 has a 190 W TDP with a suggested 450 W PSU. The RX 9050 OEM uses PCIe 5.0 x16, whereas the Arc B580 uses PCIe 4.0 x8.

Q: What are the nearest recorded rivals for the Arc B580 in the database?

A: The Arc B580's nearest rivals include the AMD Radeon RX 580 2048SP (delta -0.2%), NVIDIA GeForce RTX 2080 (delta +0.6%), NVIDIA GeForce RTX 3080 (delta -0.7%), and NVIDIA P106-100 (delta -1%). Each of these sits within about 1% of the Arc B580's average score.

Architecture Differences

The two cards represent different design philosophies from their respective manufacturers. The RX 9050 OEM uses AMD's RDNA 4.0 architecture on a 4 nm TSMC node, packing 29,700 million transistors into a 199 mm² die. That yields a transistor density of 149.2M per mm², which is exceptionally high for a modern GPU. The Intel Arc B580 uses the Xe2-HPG architecture on a 5 nm TSMC node, with 19,600 million transistors spread across a larger 272 mm² die, giving a much lower density of 72.1M per mm².

The compute layouts diverge sharply. The RX 9050 OEM has 1024 shading units, 64 texture mapping units, and 64 ROPs, paired with 16 ray tracing cores. The Arc B580 has 2560 shading units, 160 TMUs, and 80 ROPs, with 20 ray tracing cores. The Arc B580's larger shader count and texture throughput are direct consequences of its wider design, but the RX 9050 OEM compensates with a much smaller physical footprint and lower power envelope.

Clock behavior also differs. The RX 9050 OEM lists a base clock of 1330 MHz, a game clock of 1920 MHz, and a boost clock of 2600 MHz. The Arc B580 runs at a flat 2670 MHz for both base and boost, with no separate game clock specified. Memory clocks are similar: 2250 MHz (18 Gbps effective) for the RX 9050 OEM versus 2375 MHz (19 Gbps effective) for the Arc B580.

The RX 9050 OEM is built on a 64-bit memory interface with 4 GB GDDR6, which is a clear capacity constraint. The Arc B580 uses a 192-bit interface with 12 GB GDDR6, enabling 456.0 GB/s bandwidth versus 144.0 GB/s. That 3.17x bandwidth advantage is one of the largest separations between the two cards.

Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API-level feature parity exists. However, the RX 9050 OEM uses PCIe 5.0 x16 while the Arc B580 uses PCIe 4.0 x8. The RX 9050 OEM also lists a newer release date of 2026-07-27, versus 2024-12-12 for the Arc B580.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between the RX 9050 OEM and the Arc B580. However, the Arc B580 has a full set of recorded benchmark scores, while the RX 9050 OEM has none. This means all comparisons rely on the Arc B580's measured results and the RX 9050 OEM's theoretical specifications.

The Arc B580 posts an average benchmark score of 23021, placing it at the 68th percentile. Its nearest rivals in the database are all within 1% of that score: the AMD Radeon RX 580 2048SP at 23061 (delta -0.2%), the NVIDIA GeForce RTX 2080 at 22895 (delta +0.6%), the NVIDIA GeForce RTX 3080 at 23172 (delta -0.7%), and the NVIDIA P106-100 at 23249 (delta -1%). This clustering indicates the Arc B580 performs in a tight band around these established cards.

Looking at individual Arc B580 tests, the highest raw score comes from Geekbench Vulkan at 109672, followed by Geekbench OpenCL at 92821. The Passmark G3D score is 15748, with Passmark GPU Compute at 7729. DirectX 12 and DirectX 10 both score 76 in Passmark, while DirectX 11 scores 128 and DirectX 9 scores 183. The Passmark G2D score is 709.

For the RX 9050 OEM, the only quantitative data available is its FP32 throughput of 10.65 TFLOPS, its pixel rate of 166.4 GPixel/s, and its texture rate of 166.4 GTexel/s. The Arc B580 counters with 13.67 TFLOPS FP32, 213.6 GPixel/s, and 427.2 GTexel/s. In every measurable compute metric, the Arc B580 holds a significant lead: roughly 28% in FP32, 28% in pixel fill, and 157% in texture fill.

The RX 9050 OEM's FP16 throughput matches its FP32 at 10.65 TFLOPS (1:1 ratio), while the Arc B580 doubles its FP16 to 27.34 TFLOPS (2:1 ratio). That gives the Arc B580 a 157% advantage in FP16 workloads, which matters for compute tasks that leverage half-precision math.

Specification Differences

| Specification | AMD Radeon RX 9050 OEM | Intel Arc B580 |

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

| Architecture | RDNA 4.0 | Xe2-HPG |

| Process Node | 4 nm | 5 nm |

| Transistors | 29,700 million | 19,600 million |

| Die Size | 199 mm² | 272 mm² |

| Transistor Density | 149.2M / mm² | 72.1M / mm² |

| Base Clock | 1330 MHz | 2670 MHz |

| Boost Clock | 2600 MHz | 2670 MHz |

| Game Clock | 1920 MHz | Not specified |

| Memory Size | 4 GB | 12 GB |

| Memory Type | GDDR6 | GDDR6 |

| Memory Bus Width | 64 bit | 192 bit |

| Memory Bandwidth | 144.0 GB/s | 456.0 GB/s |

| Shading Units | 1024 | 2560 |

| TMUs | 64 | 160 |

| ROPs | 64 | 80 |

| Ray Tracing Cores | 16 | 20 |

| FP32 | 10.65 TFLOPS | 13.67 TFLOPS |

| FP16 | 10.65 TFLOPS (1:1) | 27.34 TFLOPS (2:1) |

| Pixel Rate | 166.4 GPixel/s | 213.6 GPixel/s |

| Texture Rate | 166.4 GTexel/s | 427.2 GTexel/s |

| TDP | 92 W | 190 W |

| Suggested PSU | 250 W | 450 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x8 |

| Display Outputs | 1x HDMI 2.1b, 2x DisplayPort 2.1a | 1x HDMI 2.1a, 3x DisplayPort 2.1 |

| Release Date | 2026-07-27 | 2024-12-12 |

| Launch MSRP | Not listed | 249 USD |

The Verdict

The recorded data strongly favors the Intel Arc B580 in nearly every measurable category. The Arc B580 has a 68th percentile ranking versus the 50th percentile for the RX 9050 OEM. It delivers 28% more FP32 compute, 157% more texture fill rate, and 28% more pixel fill rate. Its memory subsystem is categorically superior: 12 GB versus 4 GB capacity, 192-bit versus 64-bit bus, and 456.0 GB/s versus 144.0 GB/s bandwidth.

The RX 9050 OEM's advantages are limited to efficiency and connectivity. It draws 92 W versus 190 W, requires a 250 W PSU instead of 450 W, and uses a newer PCIe 5.0 x16 interface versus PCIe 4.0 x8. It is also built on a denser 4 nm process with more transistors per square millimeter, and it has a newer release date.

For raw performance, the Arc B580 is the clear choice based on the data. Its recorded benchmark scores place it alongside the RTX 2080 and RTX 3080, both of which are within 1% of its average score. The RX 9050 OEM has no recorded benchmarks, so its real-world behavior is unverified in the database.

Where Each One Wins

The Arc B580 wins in all compute-heavy scenarios. Its 13.67 TFLOPS FP32 and 27.34 TFLOPS FP16 make it suitable for rendering, simulation, and compute workloads that leverage parallel processing. Its 427.2 GTexel/s texture rate suggests strong performance in texture-bound scenes, and its 456.0 GB/s bandwidth supports high-resolution textures and large datasets.

The Arc B580 also wins in memory-intensive applications. With 12 GB of GDDR6, it can hold larger framebuffers and more assets than the RX 9050 OEM's 4 GB. This matters for modern game assets, high-resolution rendering, and workloads that exceed 4 GB of video memory.

The RX 9050 OEM wins in power-constrained environments. Its 92 W TDP and 250 W suggested PSU make it suitable for compact or low-power builds where the Arc B580's 190 W TDP and 450 W PSU requirement would be problematic. Its PCIe 5.0 x16 interface provides future-proofing for systems with newer motherboards, though the practical benefit depends on the rest of the platform.

The RX 9050 OEM also wins on transistor efficiency. Its 149.2M transistors per mm² on a 4 nm node indicates a highly dense design that achieves its performance in a smaller die area (199 mm² versus 272 mm²). This does not translate to higher performance in the recorded data, but it does indicate a more modern manufacturing approach.

For users prioritizing performance and memory capacity, the Arc B580 is the data-backed choice. For users prioritizing low power draw, compactness, and the newest interface standard, the RX 9050 OEM has clear advantages. The database shows no benchmark entries for the RX 9050 OEM, so its real-world performance remains unquantified in this dataset.