AMD Radeon 8065S vs Intel Arc Graphics 128EU Mobile Comparison

AMD Radeon 8065S vs Intel Arc Graphics 128EU Mobile

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between these two integrated graphics solutions, with the AMD Radeon 8065S holding a commanding lead across every measurable compute metric. The most striking difference appears in raw shading throughput: the Radeon 8065S delivers 15.36 TFLOPS of FP32 performance, while the Intel Arc Graphics 128EU Mobile manages only 4.608 TFLOPS. This places the AMD part at approximately 3.33 times the single-precision compute throughput of the Intel solution, a margin that will manifest in every shader-bound workload.

Pixel fill rate follows a similar pattern. The Radeon 8065S achieves 192.0 GPixel/s against the Intel part's 72.00 GPixel/s, giving AMD a 2.67x advantage in rasterization throughput. Texture rate tells the same story: 480.0 GTexel/s for the AMD part versus 144.0 GTexel/s for Intel, a 3.33x difference. These three metrics together indicate that the Radeon 8065S will dominate in any resolution- or texture-heavy scenario, from traditional rasterization to modern game engines that lean heavily on shader complexity.

The FP16 comparison introduces an interesting nuance. The Radeon 8065S lists FP16 at 15.36 TFLOPS with a 1:1 ratio to FP32, meaning it offers no dedicated half-precision acceleration. The Intel Arc Graphics 128EU Mobile, by contrast, lists FP16 at 9.216 TFLOPS with a 2:1 ratio, indicating that Intel doubles its throughput when operating on half-precision data. Even with this advantage, the Intel part still trails AMD's FP16 figure by roughly 40%, so the Radeon 8065S remains ahead in absolute terms, but the gap narrows considerably for workloads that can exploit half-precision arithmetic.

Clock behavior differs substantially between the two designs. The Radeon 8065S operates with a base clock of 1295 MHz and a boost clock of 3000 MHz, while the Intel part runs at a 300 MHz base and 2250 MHz boost. The AMD boost clock exceeds the Intel figure by 750 MHz, and the base clock advantage is even more pronounced at nearly 1000 MHz. This clock headroom, combined with a larger execution resource pool, explains the consistent performance deltas observed in the specifications.

The shading unit counts reinforce the compute gap. The Radeon 8065S carries 2560 shading units, 160 texture mapping units, and 64 ROPs. The Intel Arc Graphics 128EU Mobile fields 1024 shading units, 64 TMUs, and 32 ROPs. In every category, the AMD part has exactly 2.5x the execution resources of the Intel solution. The TMU and ROP counts scale proportionally with the shading unit count, indicating a balanced architecture that should not bottleneck in any particular pipeline stage.

Ray tracing hardware presents another differentiator. The Radeon 8065S includes 40 dedicated ray tracing cores, while the Intel Arc Graphics 128EU Mobile lists no ray tracing core count at all. This suggests that hardware-accelerated ray tracing, where available, will be significantly more capable on the AMD part, though the absence of a specified RT core count for Intel does not necessarily rule out some form of ray tracing support through other means.

Where Each One Wins

The Radeon 8065S wins in every category where the data provides a direct comparison. Its 15.36 TFLOPS FP32 throughput makes it the clear choice for general-purpose 3D rendering, compute-heavy game effects, and any workload that relies on standard shader math. The 2560 shading units provide ample parallelism for modern game engines that scale well with wider execution widths.

The 192.0 GPixel/s pixel rate positions the Radeon 8065S as the stronger option for high-resolution rendering, particularly at 1440p and above where fill rate becomes a limiting factor. The 480.0 GTexel/s texture rate similarly favors the AMD part for texture-bound scenes, including open-world titles with heavy environment detail.

The 40 ray tracing cores give the Radeon 8065S a structural advantage for ray-traced effects, regardless of whether the actual performance uplift matches discrete GPUs. Games that implement ray-traced shadows, reflections, or global illumination will run with less of a penalty on the AMD solution.

The Intel Arc Graphics 128EU Mobile does hold one meaningful advantage in the FP16 domain. The 9.216 TFLOPS FP16 rate with a 2:1 ratio means that Intel's architecture can process half-precision data more efficiently relative to its FP32 throughput. For workloads that are specifically optimized for FP16, such as certain AI inference tasks or compute shaders that deliberately use half-precision, the Intel part closes some of the gap, though it still trails the AMD part's absolute FP16 number.

The 28 W TDP of the Intel part versus the 55 W TDP of the Radeon 8065S suggests that the Intel solution will fit into thinner, lighter chassis with less demanding thermal solutions. The AMD part requires more power budget and more robust cooling, which may limit its deployment to larger laptops or devices with active cooling designs. For ultraportable use cases where power draw is the primary constraint, the Intel Arc Graphics 128EU Mobile offers a lower-power alternative.

Architecture Differences

The two GPUs come from fundamentally different architecture families. The AMD Radeon 8065S uses the RDNA 3.5 architecture on a chip designated "Gorgon Halo," belonging to the Navi Mobile (RX 8000M) generation. The Intel Arc Graphics 128EU Mobile uses the Xe-LPG architecture on the Meteor Lake chip, part of the Arc Graphics-M generation.

Process technology diverges significantly. AMD fabricates the Radeon 8065S on TSMC's 4 nm node, while Intel produces its part on a 10 nm process at Intel's own foundry. The die size for the AMD part is 308 mm², while the Intel die size is not recorded. The smaller process node gives AMD a density advantage, though transistor counts are not available for either part.

Memory architecture is shared in concept but not in implementation. Both parts use "System Shared" memory, meaning they rely on the host system's RAM rather than dedicated VRAM. Memory bus width and bandwidth are likewise listed as "System Shared" or "System Dependent" for both, indicating that actual performance will vary based on the host platform's memory configuration. The Radeon 8065S connects via PCIe 5.0 x16, while the Intel part uses a Ring Bus interface, reflecting their different integration approaches.

The execution resource allocation reveals the scale difference. AMD's 2560 shading units, 160 TMUs, and 64 ROPs compare against Intel's 1024 shading units, 64 TMUs, and 32 ROPs. AMD also includes 40 dedicated ray tracing cores, while Intel lists none. The FP16 ratio differs as well: AMD runs FP16 at 1:1 with FP32, while Intel runs at 2:1, meaning Intel's hardware can execute two FP16 operations per FP32 operation.

API support shows a minor but notable difference. The Radeon 8065S supports DirectX 12 Ultimate (12_2), while the Intel part supports DirectX 12 (12_1). Both parts support OpenGL 4.6 and Vulkan 1.4. The DirectX 12 Ultimate designation for AMD includes features such as hardware ray tracing and mesh shaders that are part of the 12_2 feature level, which may provide access to newer graphics features in supported titles.

Power specifications differ considerably. The Radeon 8065S has a TDP of 55 W with no power connectors and an IGP slot width. The Intel part has a 28 W TDP, also with an IGP slot width and no listed power connector requirements. The AMD part's higher power budget supports its higher clocks and larger execution resource pool.

Release timing also differs. The Intel Arc Graphics 128EU Mobile was released on 2023-12-13, while the Radeon 8065S carries a release date of 2025-12-31. The AMD part is newer by roughly two years, which explains its access to more advanced process technology and architecture features. The predecessor for the AMD part is listed as Polaris Mobile, while the Intel part succeeds HD Graphics-M. Both are currently marked as Active in production status.

FAQ

Q: Which GPU has higher raw compute throughput?

A: The AMD Radeon 8065S delivers 15.36 TFLOPS of FP32 performance, which is 3.33x the 4.608 TFLOPS of the Intel Arc Graphics 128EU Mobile.

Q: Does the Intel part have any performance advantage?

A: In FP16 compute, the Intel part achieves 9.216 TFLOPS with a 2:1 ratio to FP32, while the AMD part runs FP16 at 15.36 TFLOPS with a 1:1 ratio. The AMD part still has a higher absolute FP16 figure, but the Intel part processes half-precision data more efficiently relative to its FP32 throughput.

Q: How do the power requirements compare?

A: The AMD Radeon 8065S has a TDP of 55 W, while the Intel Arc Graphics 128EU Mobile has a TDP of 28 W. The Intel part requires less power and generates less heat.

Q: Do both GPUs support the same APIs?

A: Both support OpenGL 4.6 and Vulkan 1.4. The AMD part supports DirectX 12 Ultimate (12_2), while the Intel part supports DirectX 12 (12_1).

Q: What process nodes are used?

A: The AMD Radeon 8065S is built on TSMC's 4 nm process, while the Intel Arc Graphics 128EU Mobile uses Intel's 10 nm process.

Q: Which GPU has more execution resources?

A: The AMD Radeon 8065S has 2560 shading units, 160 TMUs, 64 ROPs, and 40 ray tracing cores. The Intel part has 1024 shading units, 64 TMUs, and 32 ROPs, with no listed ray tracing cores.

The Verdict

The data points to a clear hierarchy. The AMD Radeon 8065S outperforms the Intel Arc Graphics 128EU Mobile in every direct compute comparison available in the database. Its 3.33x advantage in FP32 throughput, 2.67x advantage in pixel fill rate, and 3.33x advantage in texture rate establish it as the substantially more capable graphics processor. The 40 ray tracing cores versus none, the newer RDNA 3.5 architecture, and the more advanced 4 nm process all reinforce this conclusion.

The Intel Arc Graphics 128EU Mobile serves a different purpose. Its 28 W TDP, roughly half that of the AMD part, makes it suitable for power-constrained designs where the AMD solution would require too much thermal headroom. The 2:1 FP16 ratio also gives the Intel part a relative efficiency advantage in half-precision workloads, though it still trails in absolute terms.

The choice between the two comes down to the host platform's constraints. For a system that can accommodate a 55 W GPU with PCIe 5.0 x16 connectivity and a 308 mm² die, the Radeon 8065S is the clear performance pick. For a system built around a 28 W power budget with Ring Bus integration, the Intel Arc Graphics 128EU Mobile provides a lower-performance but more power-efficient option. The release dates matter here too: the Radeon 8065S is a 2025 part, while the Intel solution dates to late 2023, so the AMD product benefits from roughly two additional years of architectural development.

Specification Differences

| Specification | AMD Radeon 8065S | Intel Arc Graphics 128EU Mobile |

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

| Architecture | RDNA 3.5 | Xe-LPG |

| Process Node | 4 nm | 10 nm |

| Foundry | TSMC | Intel |

| Die Size | 308 mm² | Not specified |

| Base Clock | 1295 MHz | 300 MHz |

| Boost Clock | 3000 MHz | 2250 MHz |

| Shading Units | 2560 | 1024 |

| TMUs | 160 | 64 |

| ROPs | 64 | 32 |

| Ray Tracing Cores | 40 | Not specified |

| Pixel Rate | 192.0 GPixel/s | 72.00 GPixel/s |

| Texture Rate | 480.0 GTexel/s | 144.0 GTexel/s |

| FP32 | 15.36 TFLOPS | 4.608 TFLOPS |

| FP16 | 15.36 TFLOPS (1:1) | 9.216 TFLOPS (2:1) |

| TDP | 55 W | 28 W |

| Bus Interface | PCIe 5.0 x16 | Ring Bus |

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

| Release Date | 2025-12-31 | 2023-12-13 |

| Predecessor | Polaris Mobile | HD Graphics-M |