AMD Ryzen Z2 GPU vs NVIDIA GeForce RTX 5090 Mobile Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between these two mobile graphics solutions, with the NVIDIA GeForce RTX 5090 Mobile holding every benchmark advantage. The RTX 5090 Mobile posts an average benchmark score of 45152, while the AMD Ryzen Z2 GPU has no recorded benchmark scores in the database, rendering direct numerical comparison impossible. However, the RTX 5090 Mobile's individual test results establish a clear performance tier.

In compute workloads, the RTX 5090 Mobile delivers substantial throughput. The Geekbench OpenCL result reaches 201834 points, while the Vulkan score sits at 198405, showing near-parity between these two API paths. The Passmark G3D score of 30034 further reinforces the GPU's strong rasterization performance. For compute-specific tasks, Passmark GPU Compute returns 13401 points, indicating the GPU's ability to handle general-purpose workloads alongside graphics rendering.

The RTX 5090 Mobile's DirectX performance varies across feature levels. Passmark DirectX 11 scores 269, DirectX 10 scores 183, DirectX 12 scores 138, and DirectX 9 scores 324. These results show the GPU's strongest legacy API performance in DirectX 9, while modern DirectX 12 workloads yield comparatively lower scores. The 3DMark Steel Nomad DX12 test returns 5871 points, providing a modern gaming workload reference point.

The RTX 5090 Mobile sits at the 84th percentile among all GPUs in the database. Its nearest rivals include the AMD Radeon Pro 5500 XT with an average score of 45384, a 0.5 percent deficit relative to the RTX 5090 Mobile. The NVIDIA GeForce RTX 4070 Ti scores 44795, trailing by 0.8 percent. The Intel Arc A730M scores 45592, leading the RTX 5090 Mobile by 1 percent, while the NVIDIA RTX 5880 Ada Generation scores 45972, ahead by 1.8 percent. This clustering indicates the RTX 5090 Mobile performs within a tight competitive band around these desktop and mobile offerings.

The AMD Ryzen Z2 GPU's lack of benchmark data means the database cannot confirm its real-world performance. Its percentile ranking of 50 places it at the median of all GPUs, but without measured scores, this ranking reflects only its specification-derived position rather than empirical testing.

Architecture Differences

The two processors diverge fundamentally in their underlying designs. The AMD Ryzen Z2 GPU uses the Hawk Point chip built on RDNA 3.0 architecture, manufactured on a 4 nm process at TSMC. It packs 25,390 million transistors onto a 178 mm² die, yielding a transistor density of 142.6 million per square millimeter. The NVIDIA GeForce RTX 5090 Mobile uses the GB203 chip with Blackwell 2.0 architecture, fabricated on a 5 nm process also at TSMC. Its die contains 45,600 million transistors across 378 mm², resulting in a lower transistor density of 120.6 million per square millimeter despite the larger absolute transistor count.

The RTX 5090 Mobile belongs to the GeForce 50-series generation, specifically the GeForce 50 Mobile segment. The Ryzen Z2 GPU is classified under Console GPU (AMD) generation, reflecting its intended integration into compact platforms. The RTX 5090 Mobile is an integrated graphics processor (IGP) with a slot width designation of IGP, while the Ryzen Z2 GPU's slot width is not specified. The NVIDIA part connects via PCIe 5.0 x16, whereas the AMD part's bus interface remains unspecified in the database.

Both GPUs support identical API feature sets: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This parity in API support means software compatibility is not a differentiator, though the underlying hardware capabilities differ substantially.

The RTX 5090 Mobile includes dedicated tensor cores, numbering 328, which the Ryzen Z2 GPU lacks entirely. Ray tracing hardware also differs markedly: the RTX 5090 Mobile contains 82 RT cores, while the Ryzen Z2 GPU has 12. These architectural elements directly influence AI-accelerated workloads and ray-traced rendering performance.

Where Each One Wins

Based on the available data, the NVIDIA GeForce RTX 5090 Mobile wins in every measurable category. Its 84th percentile ranking versus the Ryzen Z2 GPU's 50th percentile places the NVIDIA part well above the median GPU population, while the AMD part sits exactly at the median. The RTX 5090 Mobile's average benchmark score of 45152 confirms strong real-world performance across the tested workloads.

The Ryzen Z2 GPU's specification sheet indicates its intended role as a low-power integrated solution. Its 28 W TDP, 16 GB of LPDDR5X memory, and 128-bit memory bus suggest deployment in thin-and-light or handheld devices where power efficiency takes priority over raw performance. The RTX 5090 Mobile's 95 W TDP and 24 GB of GDDR7 memory on a 256-bit bus position it for high-performance laptops where thermal headroom permits greater power draw.

For gaming workloads, the RTX 5090 Mobile's 31.80 TFLOPS FP32 throughput and 169.7 GPixel/s pixel rate provide the computational foundation for high-resolution, high-refresh-rate gaming. The Ryzen Z2 GPU's 8.294 TFLOPS FP32 and 86.40 GPixel/s represent roughly one-quarter of the NVIDIA part's raw compute capability. The RTX 5090 Mobile's 496.9 GTexel/s texture rate versus the Ryzen Z2 GPU's 129.6 GTexel/s further widens the gap in texture-heavy scenes.

Memory bandwidth delivers one of the starkest contrasts: the RTX 5090 Mobile achieves 896.0 GB/s against the Ryzen Z2 GPU's 119.9 GB/s, a 7.5-fold difference. This bandwidth advantage directly benefits data-intensive workloads such as 4K texture streaming, compute shaders, and AI inference.

Specification Differences

The table below summarizes the key specification differences between the two GPUs:

| Specification | AMD Ryzen Z2 GPU | NVIDIA GeForce RTX 5090 Mobile |

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

| Architecture | RDNA 3.0 | Blackwell 2.0 |

| Process Node | 4 nm | 5 nm |

| Transistors | 25,390 million | 45,600 million |

| Die Size | 178 mm² | 378 mm² |

| Base Clock | 800 MHz | 990 MHz |

| Boost Clock | 2700 MHz | 1515 MHz |

| Memory Size | 16 GB | 24 GB |

| Memory Type | LPDDR5X | GDDR7 |

| Memory Bus | 128 bit | 256 bit |

| Memory Bandwidth | 119.9 GB/s | 896.0 GB/s |

| Shading Units | 768 | 10496 |

| TMUs | 48 | 328 |

| ROPs | 32 | 112 |

| RT Cores | 12 | 82 |

| Tensor Cores | None | 328 |

| Pixel Rate | 86.40 GPixel/s | 169.7 GPixel/s |

| Texture Rate | 129.6 GTexel/s | 496.9 GTexel/s |

| FP32 | 8.294 TFLOPS | 31.80 TFLOPS |

| TDP | 28 W | 95 W |

| Bus Interface | Not specified | PCIe 5.0 x16 |

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

| Release Date | 2024-12-31 | 2025-03-26 |

The Ryzen Z2 GPU's boost clock of 2700 MHz substantially exceeds the RTX 5090 Mobile's 1515 MHz boost, but the NVIDIA part compensates with far greater shader count and memory bandwidth. The AMD part's memory clock runs at 937 MHz with 7.5 Gbps effective, while the RTX 5090 Mobile's memory runs at 1750 MHz with 28 Gbps effective.

The transistor density difference favors the AMD part: 142.6 million transistors per square millimeter versus 120.6 million. This density advantage reflects the smaller 4 nm process node, though the RTX 5090 Mobile's larger die enables far greater absolute compute resources.

FAQ

Q: Which GPU has more shading units?

A: The NVIDIA GeForce RTX 5090 Mobile has 10496 shading units, compared to the AMD Ryzen Z2 GPU's 768 shading units.

Q: What is the memory bandwidth difference between these two GPUs?

A: The RTX 5090 Mobile delivers 896.0 GB/s of memory bandwidth, while the Ryzen Z2 GPU provides 119.9 GB/s, a difference of approximately 7.5 times.

Q: Does the AMD Ryzen Z2 GPU have tensor cores?

A: No, the Ryzen Z2 GPU has no tensor cores. The RTX 5090 Mobile includes 328 tensor cores.

Q: Which GPU supports ray tracing hardware?

A: Both GPUs support ray tracing, but with different hardware resources. The RTX 5090 Mobile has 82 RT cores, while the Ryzen Z2 GPU has 12 RT cores.

Q: What is the TDP difference between the two parts?

A: The Ryzen Z2 GPU has a TDP of 28 W, while the RTX 5090 Mobile has a TDP of 95 W.

Q: How does the RTX 5090 Mobile compare to its nearest rivals?

A: The RTX 5090 Mobile's average benchmark score of 45152 places it within 1.8 percent of the NVIDIA RTX 5880 Ada Generation (45972), 1 percent behind the Intel Arc A730M (45592), and ahead of the AMD Radeon Pro 5500 XT (45384) by 0.5 percent and the GeForce RTX 4070 Ti (44795) by 0.8 percent.

The Verdict

The data presents a straightforward conclusion: the NVIDIA GeForce RTX 5090 Mobile is the superior performer in every benchmarked category. Its 84th percentile ranking, 45152 average benchmark score, and comprehensive hardware advantages across compute units, memory bandwidth, and specialized cores establish it as a high-end mobile GPU. The Ryzen Z2 GPU's 50th percentile ranking and lack of benchmark data indicate it targets a fundamentally different performance class.

The Ryzen Z2 GPU's 28 W TDP and compact die size (178 mm²) suggest deployment in power-constrained devices where the RTX 5090 Mobile's 95 W TDP would be impractical. Users requiring maximum frame rates, ray-traced visuals, or AI acceleration should select the RTX 5090 Mobile. Users prioritizing battery life and portability in a low-power integrated solution may find the Ryzen Z2 GPU's specifications sufficient for lighter workloads, though the database provides no benchmark evidence to confirm its actual performance level.

The RTX 5090 Mobile's nearest rival cluster, spanning from 44795 to 45972 average scores, indicates strong competitive positioning within its performance tier. Its 82 RT cores and 328 tensor cores provide dedicated hardware for modern rendering techniques that the Ryzen Z2 GPU's 12 RT cores and absent tensor cores cannot match. For any workload where peak performance matters, the RTX 5090 Mobile is the clear choice based on the recorded data.