AMD Steam Machine GPU vs Intel Arc B580 Comparison

Where Each One Wins

The Intel Arc B580 holds the advantage in the recorded benchmark data, while the AMD Steam Machine GPU has no benchmark entries in the database. This makes the competitive picture one-sided in terms of measurable performance data. The Arc B580's average benchmark score of 23,021 places it at the 68th percentile of all GPUs in the database, while the Steam Machine GPU sits at the 50th percentile with an average benchmark score of 0, indicating no recorded test results.

The Arc B580 delivers its strongest results in synthetic DirectX workloads. Its 3DMark Steel Nomad DX12 score of 3,068 demonstrates solid modern API performance. In compute-oriented tests, the card records 92,821 in Geekbench OpenCL and 109,672 in Geekbench Vulkan. These figures show the Arc B580's compute capability scales well across different API environments. The PassMark G3D score of 15,748 and PassMark GPU Compute score of 7,729 further confirm consistent performance across multiple test suites.

The Steam Machine GPU, by contrast, has zero recorded benchmarks in the database. The data cannot confirm any performance wins for this part. Its percentile ranking of 50 is derived from its position among all GPUs, but without test scores, the practical performance characteristics remain unmeasured in the database.

For use-case segmentation, the Arc B580's DirectX 12 Ultimate support and its recorded DX12 test result of 3,068 in Steel Nomad indicate suitability for contemporary gaming workloads that leverage DirectX 12 features. The Geekbench Vulkan result of 109,672 being higher than the OpenCL result of 92,821 suggests the architecture responds well to Vulkan's explicit control model. PassMark DirectX 11 score of 128 versus DirectX 12 score of 76 indicates the older API path is comparatively stronger in that specific test, though the PassMark DirectX 10 score of 76 and DirectX 9 score of 183 show legacy API performance is mixed.

Architecture Differences

The two GPUs come from different architectural families. The AMD Steam Machine GPU uses RDNA 3.0 with the codename Hotpink Bonefish, built on a 6 nm process at TSMC. The Intel Arc B580 uses Xe2-HPG from the Battlemage generation (Arc 5), built on a 5 nm process, also at TSMC. The process node difference gives Intel a density advantage: the B580 packs 19,600 million transistors into a 272 mm² die for a density of 72.1 million transistors per square millimeter, while the AMD chip contains 13,300 million transistors on a 204 mm² die for 65.2 million per square millimeter.

Shader configuration differs significantly. The Arc B580 has 2,560 shading units, 160 texture mapping units, and 80 render output units. The Steam Machine GPU has 1,792 shading units, 112 TMUs, and 64 ROPs. Intel's chip also fields 20 ray tracing cores, while AMD's Navi 33-based part has 28 RT cores. Despite having more RT cores, the AMD GPU's FP32 throughput of 17.56 TFLOPS is higher than Intel's 13.67 TFLOPS. The FP16 picture reverses: Intel reaches 27.34 TFLOPS with a 2:1 ratio, while AMD's FP16 matches its FP32 at 17.56 TFLOPS with a 1:1 ratio.

Memory architecture diverges sharply. The Arc B580 uses 12 GB of GDDR6 on a 192-bit bus with 456.0 GB/s of bandwidth. The Steam Machine GPU has 8 GB of GDDR6 on a 128-bit bus with 288.0 GB/s. Intel's memory clock runs at 2375 MHz (19 Gbps effective), versus AMD's 2250 MHz (18 Gbps effective). The B580's bus width and capacity advantage translates directly into its bandwidth lead.

Clock behavior also differs. Intel runs a fixed 2670 MHz for both base and boost, while AMD lists 1720 MHz base, 2250 MHz game clock, and 2450 MHz boost. The power envelope places the Steam Machine GPU at 110 W with no power connectors required, while the Arc B580 draws 190 W and needs one 8-pin power connector with a 450 W suggested PSU.

The Verdict

The data supports the Intel Arc B580 as the measured performer. Its 23,021 average benchmark score versus the Steam Machine GPU's zero recorded score means the database contains no evidence of AMD's part outperforming Intel's in any test. The B580's 68th percentile ranking versus the Steam Machine GPU's 50th percentile reinforces this conclusion.

The Steam Machine GPU's higher FP32 throughput of 17.56 TFLOPS and larger RT core count of 28 do not translate into recorded benchmark wins, because no benchmark results exist for that part in the database. The Arc B580's lower FP32 figure of 13.67 TFLOPS still produces measurable results across all ten recorded tests. The B580's 12 GB memory capacity and 456.0 GB/s bandwidth provide a structural advantage for texture-heavy and high-resolution workloads, though the database does not include resolution-specific tests to confirm this.

The nearest rivals for the Arc B580 place it in a tight performance cluster. The AMD Radeon RX 580 2048SP scores 23,061, just 0.2% above the B580. The NVIDIA GeForce RTX 2080 scores 22,895, 0.6% below. The RTX 3080 scores 23,172, 0.7% above. The NVIDIA P106-100 scores 23,249, 1% above. This grouping indicates the B580 sits in competitive territory with several established cards, with all deltas within one percentage point.

For the Steam Machine GPU, the absence of benchmark data means any verdict must remain conditional. The hardware specifications suggest a capable console-oriented part with moderate power consumption, but the database cannot confirm its real-world standing against the Arc B580.

FAQ

Q: Which GPU has a higher average benchmark score?

A: The Intel Arc B580 has an average benchmark score of 23,021. The AMD Steam Machine GPU has an average benchmark score of 0 with no recorded benchmarks.

Q: What is the memory capacity difference between the two GPUs?

A: The Intel Arc B580 has 12 GB of GDDR6 memory on a 192-bit bus. The AMD Steam Machine GPU has 8 GB of GDDR6 on a 128-bit bus.

Q: How do the power requirements compare?

A: The Arc B580 has a TDP of 190 W and requires one 8-pin power connector with a 450 W suggested PSU. The Steam Machine GPU has a TDP of 110 W and requires no power connectors.

Q: Which GPU has higher FP32 compute throughput?

A: The AMD Steam Machine GPU delivers 17.56 TFLOPS of FP32 performance. The Intel Arc B580 delivers 13.67 TFLOPS.

Q: How does the Arc B580 compare to its nearest rivals?

A: The B580's average score of 23,021 sits between the AMD Radeon RX 580 2048SP at 23,061 (0.2% higher) and the NVIDIA GeForce RTX 2080 at 22,895 (0.6% lower). The RTX 3080 is 0.7% higher at 23,172, and the P106-100 is 1% higher at 23,249.

Q: What are the process node and transistor counts for each GPU?

A: The Steam Machine GPU uses a 6 nm process with 13,300 million transistors on a 204 mm² die. The Arc B580 uses a 5 nm process with 19,600 million transistors on a 272 mm² die.

Head-to-Head Benchmarks

The head-to-head benchmark table in the database is empty, so no direct comparison scores exist between the two GPUs. The available data consists solely of the Arc B580's ten individual test results against the Steam Machine GPU's zero results.

The Arc B580's largest recorded performance figure comes from Geekbench Vulkan at 109,672, followed by Geekbench OpenCL at 92,821. The PassMark G3D score of 15,748 represents the card's strongest rasterization-oriented result. The 3DMark Steel Nomad DX12 score of 3,068 is the only modern DirectX 12 gaming workload recorded. PassMark GPU Compute at 7,729 shows the compute side of the card. The PassMark 2D score of 709 indicates the card's 2D performance is modest relative to its 3D output.

The PassMark legacy API scores reveal an unusual pattern. DirectX 9 scores highest at 183, followed by DirectX 11 at 128, with DirectX 10 and DirectX 12 both at 76. This ordering suggests the B580's driver and hardware combination handles older API paths with varying efficiency, and the DirectX 12 result being tied with DirectX 10 indicates the modern API path does not dominate in that specific benchmark suite.

Against its nearest rivals, the B580's average score of 23,021 places it within one percentage point of four other GPUs. The narrow deltas, ranging from 1% below the P106-100 to 0.6% above the RTX 2080, indicate the B580 performs in a tightly contested performance band. The RTX 3080, a higher-tier card in typical product stacks, sits only 0.7% above in this database's scoring, which suggests the B580's recorded performance is competitive with much more expensive hardware in these specific tests.

Specification Differences

The process node differs: the Steam Machine GPU uses 6 nm, the Arc B580 uses 5 nm. Transistor counts are 13,300 million for AMD and 19,600 million for Intel. Die sizes are 204 mm² versus 272 mm². Transistor density is 65.2 million per square millimeter for AMD and 72.1 million for Intel.

Clock speeds differ in structure. AMD lists 1720 MHz base, 2450 MHz boost, and 2250 MHz game clock, with memory at 2250 MHz (18 Gbps effective). Intel lists 2670 MHz for both base and boost, with memory at 2375 MHz (19 Gbps effective). AMD has no game clock listed for its part.

Memory specifications diverge: 8 GB GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth for AMD, versus 12 GB GDDR6 on a 192-bit bus with 456.0 GB/s for Intel.

Compute unit counts differ: AMD has 1,792 shading units, 112 TMUs, 64 ROPs, and 28 RT cores. Intel has 2,560 shading units, 160 TMUs, 80 ROPs, and 20 RT cores. FP32 throughput is 17.56 TFLOPS for AMD and 13.67 TFLOPS for Intel. FP16 throughput is 17.56 TFLOPS (1:1) for AMD and 27.34 TFLOPS (2:1) for Intel. Pixel rates are 156.8 GPixel/s for AMD and 213.6 GPixel/s for Intel. Texture rates are 274.4 GTexel/s for AMD and 427.2 GTexel/s for Intel.

Power and physical specifications differ substantially. AMD lists 110 W TDP with no power connectors, no slot width, no suggested PSU, and no bus interface. Intel lists 190 W TDP, dual-slot width, one 8-pin connector, 450 W suggested PSU, and PCIe 4.0 x8 interface. Dimensions: AMD measures 156 mm length, 152 mm height, 162 mm width. Intel measures 272 mm length, 115 mm height, 45 mm width. Display outputs: AMD has 1x HDMI 2.1a and 1x DisplayPort 2.1. Intel has 1x HDMI 2.1a and 3x DisplayPort 2.1.

API support matches: both list DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Both are marked as Active in production status. The Steam Machine GPU has no release date context in the database beyond its listing, while the Arc B580 was released with a launch MSRP of 249 USD. The Intel card lists Alchemist as its predecessor, while AMD lists no predecessor or successor.