AMD Ryzen Z2 A GPU vs Intel Arc Graphics 128EU Mobile Comparison

Head-to-Head Benchmarks

The recorded data contains no direct head-to-head benchmark scores for these two integrated graphics solutions. Both entries show zero benchmark entries, zero average benchmark scores, and zero wins in direct comparisons. The absence of measured performance data means a numerical walkthrough of specific wins is not possible from the database.

What can be established from the available specifications is a clear gap in raw compute throughput. The Intel Arc Graphics 128EU Mobile delivers 4.608 TFLOPS of FP32 performance, which is 2.8 times the 1.638 TFLOPS offered by the AMD Ryzen Z2 A GPU. That factor appears consistently across other rate-based metrics: the Intel part produces 144.0 GTexel/s of texture fill rate versus 51.20 GTexel/s for the AMD, and 72.00 GPixel/s of pixel fill rate versus 25.60 GPixel/s. These are large margins, roughly 2.8x in each case, driven by the Intel part having double the shading units (1024 versus 512), double the texture mapping units (64 versus 32), and double the render output units (32 versus 16).

The AMD side does hold one notable clock-related advantage in the specifications: its 1000 MHz base clock is substantially higher than the Intel part's 300 MHz base clock. However, the Intel GPU compensates with a 2250 MHz boost clock compared to 1600 MHz for AMD, and the final throughput numbers show the Intel part far ahead in every rate-limited operation.

Both parts sit at the 50th percentile in the database's overall GPU rankings, indicating they occupy similar positions in the broader performance distribution, despite their very different compute ceilings. The lack of recorded benchmark scores means the percentile ranking is likely based on architectural characteristics rather than measured results.

Architecture Differences

The AMD Ryzen Z2 A GPU uses the Van Gogh chip built on RDNA 2.0 architecture, fabricated by TSMC on a 7 nm process. The die contains 2,400 million transistors across 163 mm², giving a transistor density of 14.7 million per square millimeter. This is a compact, power-efficient design rated at 15 W TDP.

The Intel Arc Graphics 128EU Mobile uses the Meteor Lake chip built on Xe-LPG architecture, fabricated by Intel on a 10 nm process. The database lists no transistor count, die size, or density for this part. It is rated at 28 W TDP, nearly double the AMD part's power envelope.

Memory configurations differ fundamentally. The AMD part uses dedicated 16 GB of LPDDR5 memory on a 128-bit bus, delivering 102.4 GB/s of bandwidth. The memory clock is 800 MHz with 6.4 Gbps effective data rate. The Intel part uses System Shared memory, meaning its memory size, type, bus width, and bandwidth are all system-dependent. This is a critical architectural distinction: the AMD GPU has guaranteed dedicated memory bandwidth, while the Intel GPU's performance will vary depending on the host system's memory configuration.

Compute resources are heavily skewed toward Intel. The Arc GPU has 1024 shading units, 64 TMUs, and 32 ROPs. The Ryzen Z2 A GPU has 512 shading units, 32 TMUs, and 16 ROPs. The AMD part includes 8 ray tracing cores, while the Intel database entry lists no RT core count. FP16 performance follows the same 2:1 ratio as FP32 for both parts: 3.277 TFLOPS for AMD and 9.216 TFLOPS for Intel.

API support differs in DirectX versions. The AMD part supports DirectX 12 Ultimate (12_2), while the Intel part supports DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4. The AMD part uses a 1x USB Type-C display output, while the Intel part's display outputs are listed as "Portable Device Dependent." The Intel part connects via Ring Bus, and its slot width is listed as IGP (integrated graphics processor).

Release dates are close: the Intel part launched on December 14, 2023, and the AMD part launched on January 1, 2025. The Intel part's predecessor is listed as HD Graphics-M, while the AMD part has no predecessor or successor listed.

Where Each One Wins

The Intel Arc Graphics 128EU Mobile wins decisively in raw computational throughput. Its FP32 performance of 4.608 TFLOPS is nearly three times the AMD part's 1.638 TFLOPS. Texture fill rate, pixel fill rate, and shading unit count all favor Intel by the same approximate factor. This suggests the Intel part would handle higher-resolution textures, more complex shaders, and heavier post-processing effects with more headroom.

The AMD Ryzen Z2 A GPU wins in power efficiency and memory determinism. At 15 W TDP, it draws nearly half the power of the Intel part's 28 W. For thermally constrained or battery-powered devices, this difference can be decisive. The dedicated 16 GB LPDDR5 memory with fixed 102.4 GB/s bandwidth means the AMD part's memory performance does not depend on what else is happening in the system. The Intel part's System Shared memory means its effective bandwidth is system-dependent, which could be a disadvantage in mixed workloads where the CPU and GPU compete for the same memory resources.

The AMD part also holds a DirectX API advantage: 12 Ultimate (12_2) versus 12 (12_1). This includes features like mesh shaders and variable rate shading that the Intel part's API level may not expose in the same way. The AMD part's 8 ray tracing cores give it a hardware feature the Intel entry does not list.

Clock behavior favors each part differently. The AMD part's 1000 MHz base clock is much higher than Intel's 300 MHz, meaning the AMD GPU maintains a consistent performance floor even under sustained loads. The Intel part's 2250 MHz boost clock is higher than AMD's 1600 MHz, giving it a higher performance ceiling when thermals and power allow.

FAQ

Q: Which GPU has higher raw compute performance?

A: The Intel Arc Graphics 128EU Mobile has 4.608 TFLOPS of FP32 performance, which is 2.8 times the 1.638 TFLOPS of the AMD Ryzen Z2 A GPU. The Intel part also has double the shading units, TMUs, and ROPs.

Q: How does memory configuration differ?

A: The AMD Ryzen Z2 A GPU has 16 GB of dedicated LPDDR5 memory on a 128-bit bus with 102.4 GB/s bandwidth. The Intel Arc Graphics 128EU Mobile uses System Shared memory, so its memory size, type, bus width, and bandwidth are all system-dependent.

Q: Which GPU has the higher TDP?

A: The Intel Arc Graphics 128EU Mobile is rated at 28 W, while the AMD Ryzen Z2 A GPU is rated at 15 W. The AMD part uses less than half the power budget.

Q: What are the clock speed differences?

A: The AMD part has a 1000 MHz base clock and 1600 MHz boost clock. The Intel part has a 300 MHz base clock and 2250 MHz boost clock. Intel's boost clock is 650 MHz higher, but AMD's base clock is 700 MHz higher.

Q: Do both GPUs support the same DirectX version?

A: No. The AMD Ryzen Z2 A GPU supports DirectX 12 Ultimate (12_2), while the Intel Arc Graphics 128EU Mobile supports DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4.

Q: Which GPU has ray tracing hardware?

A: The AMD Ryzen Z2 A GPU lists 8 ray tracing cores. The Intel Arc Graphics 128EU Mobile database entry does not list a ray tracing core count.

The Verdict

The data points to two different design philosophies. The AMD Ryzen Z2 A GPU is built for a specific use case: a low-power, 15 W part with dedicated memory and a fixed performance profile. Its 16 GB of LPDDR5 at 102.4 GB/s is a substantial allocation, and the 50th percentile ranking places it in the middle of the database's GPU distribution.

The Intel Arc Graphics 128EU Mobile is the higher-performing part in every measured rate metric. Its 4.608 TFLOPS FP32, 144.0 GTexel/s texture rate, and 72.00 GPixel/s pixel rate all dwarf the AMD counterpart. The 28 W TDP reflects this additional capability. However, its System Shared memory means its real-world performance is contingent on the host platform's memory subsystem.

For workloads that demand maximum shader throughput, texture processing, or pixel fill, the Intel part is the clear choice from the specification data. For systems where power draw is a hard constraint, or where memory bandwidth must be guaranteed regardless of system configuration, the AMD part offers a more predictable and efficient profile.

The DirectX 12 Ultimate support on the AMD part is a notable feature for modern game titles that leverage DX12 Ultimate features. The Intel part's DX12 (12_1) support covers the baseline feature set but lacks the Ultimate extensions. Ray tracing hardware on the AMD part adds another feature the Intel entry does not list.

Both parts sit at the 50th percentile in the database, indicating that despite the large gap in raw specifications, neither is positioned as a high-end solution. The choice between them should be guided by the power envelope and memory architecture priorities of the target device, not by any measured performance data, since the database contains no benchmark scores for either GPU.

Specification Differences

| Specification | AMD Ryzen Z2 A GPU | Intel Arc Graphics 128EU Mobile |

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

| Chip | Van Gogh | Meteor Lake |

| Architecture | RDNA 2.0 | Xe-LPG |

| Process Node | 7 nm (TSMC) | 10 nm (Intel) |

| Transistors | 2,400 million | Not listed |

| Die Size | 163 mm² | Not listed |

| Transistor Density | 14.7M / mm² | Not listed |

| Base Clock | 1000 MHz | 300 MHz |

| Boost Clock | 1600 MHz | 2250 MHz |

| Memory Clock | 800 MHz (6.4 Gbps effective) | System Shared |

| Memory Size | 16 GB LPDDR5 | System Shared |

| Memory Bus Width | 128 bit | System Shared |

| Memory Bandwidth | 102.4 GB/s | System Dependent |

| Shading Units | 512 | 1024 |

| TMUs | 32 | 64 |

| ROPs | 16 | 32 |

| RT Cores | 8 | Not listed |

| Pixel Rate | 25.60 GPixel/s | 72.00 GPixel/s |

| Texture Rate | 51.20 GTexel/s | 144.0 GTexel/s |

| FP32 | 1.638 TFLOPS | 4.608 TFLOPS |

| FP16 | 3.277 TFLOPS (2:1) | 9.216 TFLOPS (2:1) |

| TDP | 15 W | 28 W |

| Slot Width | Not listed | IGP |

| Bus Interface | Not listed | Ring Bus |

| Display Outputs | 1x USB Type-C | Portable Device Dependent |

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

| OpenGL | 4.6 | 4.6 |

| Vulkan | 1.4 | 1.4 |

| Release Date | 2025-01-01 | 2023-12-14 |

| Predecessor | Not listed | HD Graphics-M |