AMD Radeon 880M vs NVIDIA Rubin GPU Comparison

Where Each One Wins

The AMD Radeon 880M and NVIDIA Rubin GPU occupy entirely separate segments, and the recorded data shows almost no overlap in their intended use cases. The 880M is an integrated graphics processor (IGP) built for thin-and-light mobile devices, with its 15 W thermal envelope and system-shared memory making it suitable for everyday computing and light gaming. The Rubin GPU, by contrast, is a server-class accelerator with a 2300 W TDP, 288 GB of HBM4 memory, and 22.1 TB/s of bandwidth, clearly aimed at datacenter compute workloads rather than desktop or laptop graphics.

In terms of recorded benchmark presence, the 880M has ten entries across DirectX 9, 10, 11, 12, Vulkan, OpenCL, and 2D tests. The Rubin GPU has zero recorded benchmark scores in the database, so its wins cannot be quantified through direct measurements. Instead, its advantage is structural: the hardware specifications indicate far higher raw compute capacity, but without benchmark data, no direct performance comparison can be made. The 880M's percentile rank among all GPUs is 43, while the Rubin GPU sits at 50, though that figure is based on specification-derived estimates rather than measured results.

Where the 880M wins is in portability and integration. It uses the PCIe 4.0 x8 interface, requires no power connectors, and its display outputs are portable-device dependent, meaning it is designed to drive screens in laptops and handhelds. The Rubin GPU has no display outputs at all, making it unsuitable for any graphics output task. For users who need an iGPU that can handle DirectX 12 Ultimate workloads at modest settings, the 880M is the only one of the two that can actually render to a screen.

Architecture Differences

The two parts come from different foundries and process nodes. The 880M uses TSMC's 4 nm process with 34,000 million transistors on a 233 mm² die, yielding a transistor density of 145.9 million per square millimeter. The Rubin GPU uses TSMC's 3 nm node with 336,000 million transistors on a 1456 mm² die, for a density of 230.8 million per square millimeter. That is roughly ten times the transistor count and six times the die area, reflecting the Rubin GPU's server-scale ambitions.

Architecturally, the 880M is built on RDNA 3.5 with the Strix Point chip, part of the Navi III IGP generation for Strix Point Mobile. It has 768 shading units, 48 texture mapping units, 16 render output units, and 12 ray tracing cores. It does not have dedicated tensor cores. The Rubin GPU is built on the Rubin architecture with the GR100 chip, part of the Server Rubin (Rxx) generation. It has 28,672 shading units, 896 texture mapping units, 24 render output units, and 896 tensor cores. Its ray tracing core count is not recorded in the database.

Memory architecture separates these two decisively. The 880M uses system-shared memory with a system-dependent bandwidth, meaning its performance scales with the host system's RAM speed. The Rubin GPU has 288 GB of dedicated HBM4 memory on a 16384-bit bus, delivering 22.1 TB/s of bandwidth. Clock behavior also differs: the 880M runs at a 400 MHz base and 2900 MHz boost, while the Rubin GPU runs at 700 MHz base and 2267 MHz boost. Despite the lower boost clock, the Rubin GPU's massive shader count produces far higher aggregate throughput.

API support is another major divergence. The 880M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, making it fully compatible with modern gaming APIs. The Rubin GPU reports N/A for DirectX, OpenGL, and Vulkan, indicating it is not designed for traditional graphics rendering APIs. This is consistent with a compute-focused accelerator that uses proprietary or specialized software stacks.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries between these two products. The 880M's own benchmark results provide the only measurable performance data. In 3DMark Steel Nomad DX12, it scores 535. In Geekbench OpenCL, it scores 31,285, and in Geekbench Vulkan, it scores 40,006. Passmark results show 31 in DirectX 10, 73 in DirectX 11, 32 in DirectX 12, and 97 in DirectX 9. The Passmark G2D score is 969, G3D is 7,615, and GPU compute is 3,719. Its average benchmark score across all tests is 8,436.

The nearest rivals for the 880M, based on average score, are all older discrete mobile or entry-level desktop GPUs. The NVIDIA GeForce GTX 675MX averages 8,427, which is 0.1% below the 880M's average. The NVIDIA GeForce MX330 averages 8,458, which is 0.3% above the 880M. The AMD Radeon HD 8870M averages 8,462, also 0.3% above. The AMD Radeon R9 M375X averages 8,325, which is 1.3% below the 880M. These delta percentages show the 880M sits in a tight performance cluster with these older discrete parts, effectively matching or slightly trailing them depending on the specific model.

For the Rubin GPU, there are no benchmark scores and no nearest rivals recorded. Its performance cannot be placed relative to any other product using measured data. The only quantitative claim possible is that its average benchmark score is recorded as zero, which reflects the absence of data rather than a performance result. Any comparison between the two products on benchmark scores alone is therefore impossible, and the analysis must rest on architectural and specification differences.

The Verdict

The data supports a clear separation of roles. The AMD Radeon 880M is for mobile systems that need an integrated GPU with modern API support, DirectX 12 Ultimate capability, and the ability to output to portable displays. Its 15 W power draw, lack of power connectors, and system-shared memory make it appropriate for laptops and handheld devices where space and thermal budget are limited. Benchmark results show it performs comparably to older discrete mobile GPUs like the GTX 675MX and MX330, differing by less than 1% in average score from those parts. For light gaming and general 2D acceleration, it delivers usable performance.

The NVIDIA Rubin GPU is a server accelerator with no display outputs and no traditional graphics API support. Its 2300 W TDP, 288 GB of HBM4 memory, and 22.1 TB/s bandwidth indicate it is built for large-scale compute tasks, likely AI training or inference, rather than rendering. The 896 tensor cores and 130.0 TFLOPS FP32 throughput confirm this compute orientation. Users who need to render graphics to a screen should not consider it. Users who need massive parallel compute throughput would not consider the 880M, given its 4.454 TFLOPS FP32 and lack of tensor cores.

The choice between these two products is not a performance trade-off but a fundamental use-case distinction. The 880M serves client devices. The Rubin GPU serves datacenter infrastructure. No benchmark data exists to compare them directly, and none is needed, because their target environments do not overlap.

FAQ

Q: Can the NVIDIA Rubin GPU be used for gaming?

A: No. The Rubin GPU has no display outputs and reports N/A for DirectX, OpenGL, and Vulkan support. It cannot render to a screen or run standard graphics APIs.

Q: How does the AMD Radeon 880M compare to its nearest rival in average benchmark score?

A: The 880M's average benchmark score is 8,436. The closest rival is the NVIDIA GeForce GTX 675MX at 8,427, which is 0.1% lower. The NVIDIA GeForce MX330 is 0.3% higher at 8,458, and the AMD Radeon R9 M375X is 1.3% lower at 8,325.

Q: What memory does the Rubin GPU use?

A: The Rubin GPU uses 288 GB of HBM4 memory on a 16384-bit bus, delivering 22.1 TB/s of bandwidth. The 880M uses system-shared memory with system-dependent bandwidth.

Q: Does the 880M support ray tracing?

A: Yes. The 880M has 12 ray tracing cores and supports DirectX 12 Ultimate (12_2), which includes ray tracing features. The Rubin GPU's ray tracing core count is not recorded in the database.

Q: What is the transistor count difference between the two?

A: The 880M has 34,000 million transistors on a 233 mm² die at 4 nm. The Rubin GPU has 336,000 million transistors on a 1456 mm² die at 3 nm, approximately ten times the transistor count.

Q: Which product has tensor cores?

A: The Rubin GPU has 896 tensor cores. The 880M does not have tensor cores, as its tensor core field is null in the database.

Specification Differences

| Specification | AMD Radeon 880M | NVIDIA Rubin GPU |

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

| Architecture | RDNA 3.5 | Rubin |

| Chip | Strix Point | GR100 |

| Process Node | 4 nm | 3 nm |

| Foundry | TSMC | TSMC |

| Transistors | 34,000 million | 336,000 million |

| Die Size | 233 mm² | 1456 mm² |

| Transistor Density | 145.9M / mm² | 230.8M / mm² |

| Base Clock | 400 MHz | 700 MHz |

| Boost Clock | 2900 MHz | 2267 MHz |

| Memory Size | System Shared | 288 GB |

| Memory Type | System Shared | HBM4 |

| Memory Bus Width | System Shared | 16384 bit |

| Memory Bandwidth | System Dependent | 22.1 TB/s |

| Shading Units | 768 | 28672 |

| TMUs | 48 | 896 |

| ROPs | 16 | 24 |

| Ray Tracing Cores | 12 | Not recorded |

| Tensor Cores | Not present | 896 |

| Pixel Rate | 46.40 GPixel/s | 54.41 GPixel/s |

| Texture Rate | 139.2 GTexel/s | 2,031.2 GTexel/s |

| FP32 | 4.454 TFLOPS | 130.0 TFLOPS |

| FP16 | 4.454 TFLOPS (1:1) | 260.0 TFLOPS (2:1) |

| TDP | 15 W | 2300 W |

| Slot Width | IGP | SXM Module |

| Power Connectors | None | Not recorded |

| Suggested PSU | Not recorded | 2700 W |

| Bus Interface | PCIe 4.0 x8 | PCIe 6.0 x16 |

| Display Outputs | Portable Device Dependent | No outputs |

| DirectX | 12 Ultimate (12_2) | N/A |

| OpenGL | 4.6 | N/A |

| Vulkan | 1.4 | N/A |

| Release Date | 2024-07-14 | 2025-12-31 |

| Predecessor | Navi II IGP | Server Blackwell |