AMD Ryzen Z2 Go GPU vs Intel Arc B580 Comparison

FAQ

Q: What is the core architectural difference between the AMD Ryzen Z2 Go GPU and the Intel Arc B580?

A: The AMD Ryzen Z2 Go GPU is built on RDNA 2.0 architecture using a 6 nm process, while the Intel Arc B580 uses Xe2-HPG (Battlemage) architecture on a 5 nm process. The Intel chip uses a larger die (272 mm²) with more transistors (19,600 million) compared to AMD's 208 mm² die with 13,100 million transistors.

Q: Which GPU has more memory bandwidth?

A: The Intel Arc B580 has significantly higher memory bandwidth at 456.0 GB/s, using 12 GB of GDDR6 on a 192-bit bus. The AMD Ryzen Z2 Go GPU offers 102.4 GB/s bandwidth with 16 GB of LPDDR5 on a 128-bit bus.

Q: What is the performance percentile ranking for each GPU?

A: The Intel Arc B580 sits at the 68th percentile among all GPUs in the database, while the AMD Ryzen Z2 Go GPU is at the 50th percentile. This indicates the Intel card is positioned notably higher in overall performance distribution.

Q: What power connector does each GPU require?

A: The Intel Arc B580 requires a single 8-pin power connector and has a suggested PSU of 450 W. The AMD Ryzen Z2 Go GPU has no power connectors listed and runs at a much lower TDP of 28 W compared to Intel's 190 W.

Q: What display outputs are available on each GPU?

A: The Intel Arc B580 provides 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs. The AMD Ryzen Z2 Go GPU has a single USB Type-C output.

Q: What is the launch MSRP of the Intel Arc B580?

A: The Intel Arc B580 has a launch MSRP of 249 USD. The AMD Ryzen Z2 Go GPU has no launch MSRP listed in the database.

Architecture Differences

The two GPUs represent fundamentally different design philosophies. The AMD Ryzen Z2 Go GPU uses RDNA 2.0 architecture, built on TSMC's 6 nm process. This is a compact chip with 13,100 million transistors packed into a 208 mm² die, yielding a transistor density of 63.0M per mm². The Intel Arc B580, in contrast, uses the newer Xe2-HPG architecture (Battlemage generation) on TSMC's 5 nm process. It packs 19,600 million transistors into a larger 272 mm² die, achieving a higher density of 72.1M per mm².

The compute resources differ substantially. The AMD GPU has 768 shading units, 48 texture mapping units, 32 ROPs, and 12 ray tracing cores. The Intel Arc B580 fields 2560 shading units, 160 TMUs, 80 ROPs, and 20 ray tracing cores. This gives Intel a 3.3x advantage in shading units, a 3.3x advantage in TMUs, and a 2.5x advantage in ROPs.

Clock behavior also distinguishes the two. The AMD chip runs at a base clock of 800 MHz with a boost up to 2700 MHz, while the Intel Arc B580 operates at a fixed 2670 MHz for both base and boost. Memory clocks show a similar split: AMD uses 800 MHz with 6.4 Gbps effective, while Intel uses 2375 MHz with 19 Gbps effective.

Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Neither has tensor cores listed. The AMD part uses LPDDR5 memory totaling 16 GB, while Intel uses 12 GB of GDDR6. The bus width favors Intel at 192 bits versus AMD's 128 bits, and this combines with the faster memory clock to give Intel more than 4x the bandwidth.

The AMD Ryzen Z2 Go GPU is a 28 W part with no power connectors, designed for constrained environments. The Intel Arc B580 is a 190 W dual-slot card requiring a single 8-pin connector and a 450 W suggested PSU. It also has a PCIe 4.0 x8 interface, whereas the AMD part has no bus interface specified.

The Verdict

The recorded data positions the Intel Arc B580 as the significantly stronger performer. Its 68th percentile ranking versus the AMD Ryzen Z2 Go GPU's 50th percentile, combined with a 3.3x advantage in FP32 throughput (13.67 TFLOPS versus 4.147 TFLOPS), makes the performance gap clear. The Intel card also delivers more than 4x the texture rate and roughly 2.5x the pixel rate.

The AMD Ryzen Z2 Go GPU, however, is a different class of product entirely. Its 28 W TDP with no power connectors and a single USB Type-C output indicates it targets low-power, compact systems where the Intel Arc B580's 190 W requirement and dual-slot physical footprint would be impractical. The AMD part's 16 GB of LPDDR5 memory also exceeds Intel's 12 GB GDDR6 capacity, though at far lower bandwidth.

For users needing raw graphics performance, the data favors the Intel Arc B580 decisively. For low-power or embedded applications where the AMD part's minimal power draw and connector-free design fit, the Ryzen Z2 Go GPU is the only viable option between the two. The Intel Arc B580's launch MSRP of 249 USD places it as a discrete add-in card, while the AMD part appears built for integrated or mobile-class duty.

Specification Differences

| Specification | AMD Ryzen Z2 Go GPU | Intel Arc B580 |

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

| Architecture | RDNA 2.0 | Xe2-HPG |

| Process Node | 6 nm | 5 nm |

| Transistors | 13,100 million | 19,600 million |

| Die Size | 208 mm² | 272 mm² |

| Transistor Density | 63.0M / mm² | 72.1M / mm² |

| Base Clock | 800 MHz | 2670 MHz |

| Boost Clock | 2700 MHz | 2670 MHz |

| Memory Clock | 800 MHz 6.4 Gbps effective | 2375 MHz 19 Gbps effective |

| Memory Size | 16 GB | 12 GB |

| Memory Type | LPDDR5 | GDDR6 |

| Memory Bus Width | 128 bit | 192 bit |

| Memory Bandwidth | 102.4 GB/s | 456.0 GB/s |

| Shading Units | 768 | 2560 |

| TMUs | 48 | 160 |

| ROPs | 32 | 80 |

| RT Cores | 12 | 20 |

| Pixel Rate | 86.40 GPixel/s | 213.6 GPixel/s |

| Texture Rate | 129.6 GTexel/s | 427.2 GTexel/s |

| FP32 Performance | 4.147 TFLOPS | 13.67 TFLOPS |

| FP16 Performance | 8.294 TFLOPS (2:1) | 27.34 TFLOPS (2:1) |

| TDP | 28 W | 190 W |

| Power Connectors | None | 1x 8-pin |

| Suggested PSU | None | 450 W |

| Display Outputs | 1x USB Type-C | 1x HDMI 2.1a, 3x DisplayPort 2.1 |

| Slot Width | Not specified | Dual-slot |

| Bus Interface | Not specified | PCIe 4.0 x8 |

| Dimensions (LxHxW) | Not specified | 272 mm x 115 mm x 45 mm |

Head-to-Head Benchmarks

The Intel Arc B580 has recorded benchmark data across multiple test suites, while the AMD Ryzen Z2 Go GPU has no benchmark entries in the database. This lack of direct comparison data means the analysis relies on the Intel card's absolute scores and its nearest rival positioning.

In 3DMark Steel Nomad DX12, the Intel Arc B580 scores 3068. This is a demanding modern workload that stresses ray tracing and mesh shading. The card's 20 ray tracing cores contribute to this result, a resource count the AMD part cannot match with its 12 RT cores.

Geekbench results for the Intel card show 92821 in OpenCL and 109672 in Vulkan. The Vulkan score being higher than OpenCL by roughly 18% indicates the Xe2-HPG architecture responds well to explicit graphics APIs, which matters for users running modern titles with Vulkan paths.

Passmark results break down by API generation. The Intel Arc B580 scores 183 in Passmark DirectX 9, 128 in DirectX 11, 76 in DirectX 10, and 76 in DirectX 12. The DirectX 9 score being the highest among these is notable for legacy title compatibility. Passmark G2D (2D graphics) shows 709, while G3D (3D graphics) reaches 15748. The GPU compute score sits at 7729.

The nearest rivals for the Intel Arc B580 in the database are revealing. The AMD Radeon RX 580 2048SP scores 23061, a delta of -0.2%, meaning the Intel card sits essentially level with that older AMD part. The NVIDIA GeForce RTX 2080 scores 22895, a delta of +0.6%, putting the Intel card slightly ahead. The NVIDIA GeForce RTX 3080 scores 23172, a delta of -0.7%, meaning the Intel card trails that flagship by a small margin. The NVIDIA P106-100 scores 23249, a delta of -1%, showing the Intel card just behind.

The average benchmark score for the Intel Arc B580 is 23021. This places it in a performance band where it matches or slightly exceeds the RTX 2080 while remaining within 1% of the RTX 3080's average. For a current-generation card, this indicates competitive positioning against previous-generation high-end hardware.

Where Each One Wins

The Intel Arc B580 wins decisively in raw compute throughput. Its 13.67 TFLOPS FP32 performance is 3.3x the AMD part's 4.147 TFLOPS. Texture rate tells a similar story: 427.2 GTexel/s versus 129.6 GTexel/s, a 3.3x advantage. Pixel rate favors Intel at 213.6 GPixel/s versus 86.40 GPixel/s, a 2.5x lead. These metrics translate directly to higher frame rates in GPU-bound scenarios.

Memory bandwidth is another clear Intel win. The 456.0 GB/s bandwidth exceeds AMD's 102.4 GB/s by a factor of 4.5. This matters for high-resolution textures, large scene complexity, and compute workloads that stream data heavily. The 192-bit bus versus 128-bit bus and faster GDDR6 memory both contribute.

The AMD Ryzen Z2 Go GPU wins in power efficiency and physical footprint. Its 28 W TDP is less than one-seventh of Intel's 190 W. The AMD part requires no power connectors, while Intel needs a single 8-pin. The AMD chip's 208 mm² die is smaller than Intel's 272 mm², and its lack of a specified slot width or dimensions suggests a much more compact implementation.

Memory capacity favors AMD: 16 GB versus 12 GB. For workloads that require large memory allocation rather than high bandwidth, the extra 4 GB could matter. The AMD part also uses LPDDR5, which typically has lower power draw than GDDR6.

The Intel Arc B580 wins on display connectivity with 1x HDMI 2.1a and 3x DisplayPort 2.1, versus AMD's single USB Type-C. This makes Intel the choice for multi-monitor setups or VR headsets that need dedicated display outputs.

The production status for both is Active, and both were released in December 2024. Intel's card has a predecessor (Alchemist) while AMD's predecessor is not listed. The Intel Arc B580 carries a launch MSRP of 249 USD, while the AMD part has none recorded.

For gaming and general GPU compute, the Intel Arc B580 is the stronger pick based on every performance metric in the database. For ultra-low-power systems, compact designs, or applications where the absence of external power is mandatory, the AMD Ryzen Z2 Go GPU is the only choice between these two.