AMD Ryzen Z2 A GPU vs NVIDIA GB10 Comparison

Head-to-Head Benchmarks

The recorded data presents a stark contrast between these two processors. The NVIDIA GB10 holds a commanding lead in every measurable performance category, while the AMD Ryzen Z2 A GPU operates in a fundamentally different performance class. The GB10 delivers 29.71 TFLOPS of FP32 compute, which is 18.1 times the 1.638 TFLOPS offered by the AMD part. This is not a marginal gap; it is a difference of an entire performance tier.

The GB10 also dominates in memory throughput. Its 273.2 GB/s of bandwidth is 2.7 times the 102.4 GB/s available to the Ryzen Z2 A GPU. The NVIDIA solution pairs this with 128 GB of LPDDR5X memory, eight times the 16 GB of LPDDR5 found on the AMD chip. Texture and pixel rates tell the same story: the GB10 reaches 928.5 GTexel/s versus 51.20 GTexel/s, an 18.1x advantage, and 116.1 GPixel/s versus 25.60 GPixel/s, a 4.5x advantage.

Clock speeds favor the GB10 as well, with a boost of 2418 MHz against 1600 MHz for the Ryzen Z2 A GPU. The GB10 also benefits from a higher base clock of 1665 MHz versus 1000 MHz. These clock advantages compound with the GB10's larger shader array of 6144 shading units, 12 times the 512 units on the AMD part. The NVIDIA chip carries 384 TMUs versus 32, and 48 ROPs versus 16.

The benchmark scores in the database confirm this hierarchy. The GB10 records an average benchmark score of 117393 across Geekbench OpenCL and Vulkan tests, with individual scores of 120137 in OpenCL and 114648 in Vulkan. The Ryzen Z2 A GPU has no recorded benchmark scores and an average score of zero, placing it at the 50th percentile of all GPUs. The GB10 sits at the 95th percentile, outperforming 95 percent of all recorded GPUs.

Against its nearest rivals, the GB10 shows tight competition. It edges the NVIDIA RTX 4000 SFF Ada Generation by 0.3 percent, trails the AMD Radeon PRO W7700 by 1.3 percent, and leads the NVIDIA Tesla V100 SXM2 16 GB by 2.6 percent and the NVIDIA RTX A5500 Mobile by 3 percent. This places the GB10 in established professional workstation territory, while the AMD part has no comparable benchmark presence.

Where Each One Wins

The AMD Ryzen Z2 A GPU claims wins in efficiency and portability. Its 15 W TDP is a fraction of the GB10's 140 W, allowing operation in power-constrained environments. The AMD chip measures 163 mm² on a 7 nm TSMC process, while the GB10 spans 382 mm² on a 5 nm node. The smaller die and lower power draw make the Ryzen Z2 A GPU suitable for compact, low-power implementations.

The AMD part also supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The GB10 lists N/A for DirectX, OpenGL, and Vulkan, indicating a different software ecosystem entirely. For graphics API compatibility, the AMD solution is the only one of the two with recorded support for conventional consumer graphics stacks.

The NVIDIA GB10 wins in raw compute, memory capacity, and bandwidth. Its 384 tensor cores provide dedicated AI acceleration hardware that the AMD part lacks entirely. The GB10's 48 RT cores also outnumber the AMD chip's 8 RT cores by a factor of six. The 128 GB memory capacity, 256-bit bus, and 273.2 GB/s bandwidth position the GB10 for large datasets and memory-intensive workloads.

The GB10's PCIe 5.0 x16 interface provides a modern host connection, while the AMD part lists no bus interface. The NVIDIA chip also supports a 300 W suggested PSU, indicating a system-level integration path, whereas the AMD part has no suggested PSU listed. The GB10's predecessor is listed as Server Hopper and its successor as Server Rubin, confirming its place in a server product line. The AMD chip has no predecessor or successor recorded.

Architecture Differences

The two processors come from different architectural generations and design philosophies. The AMD Ryzen Z2 A GPU uses the Van Gogh chip built on RDNA 2.0 architecture, manufactured on a 7 nm TSMC process. It packs 2,400 million transistors into a 163 mm² die, yielding a transistor density of 14.7 million transistors per square millimeter. The GB10 uses the GB20B chip built on Blackwell 2.0 architecture, manufactured on a 5 nm TSMC process. Its die size is 382 mm², and its transistor count is listed as unknown.

Memory subsystems diverge sharply. The AMD part uses 16 GB of LPDDR5 on a 128-bit bus with memory clocks of 800 MHz and 6.4 Gbps effective. The GB10 uses 128 GB of LPDDR5X on a 256-bit bus with memory clocks of 1067 MHz and 8.5 Gbps effective. The memory type, capacity, bus width, and clock speed all favor the NVIDIA solution.

Compute resources differ by an order of magnitude. The AMD chip has 512 shading units, 32 TMUs, 16 ROPs, 8 RT cores, and no tensor cores. The GB10 has 6144 shading units, 384 TMUs, 48 ROPs, 48 RT cores, and 384 tensor cores. FP16 throughput also diverges: the AMD part delivers 3.277 TFLOPS with a 2:1 ratio, while the GB10 delivers 29.71 TFLOPS with a 1:1 ratio, meaning the NVIDIA chip sustains full FP16 performance without the halving penalty.

Physical and interface specifications differ as well. The GB10 is an IGP with dimensions of 150 mm by 51 mm by 150 mm, no power connectors, and a single HDMI output. The AMD part has no dimensions listed, uses a single USB Type-C output, and has no power connector information. The GB10 connects via PCIe 5.0 x16; the AMD part lists no bus interface. The GB10's launch MSRP is 3,999 USD.

FAQ

Q: Which processor has higher FP32 compute performance?

A: The NVIDIA GB10 delivers 29.71 TFLOPS of FP32 compute, which is 18.1 times the 1.638 TFLOPS of the AMD Ryzen Z2 A GPU.

Q: How do the memory capacities compare?

A: The GB10 offers 128 GB of LPDDR5X memory with 273.2 GB/s bandwidth, while the Ryzen Z2 A GPU offers 16 GB of LPDDR5 memory with 102.4 GB/s bandwidth.

Q: Does the AMD processor support standard graphics APIs?

A: Yes, the Ryzen Z2 A GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The GB10 lists N/A for all three APIs.

Q: What is the power consumption difference?

A: The AMD Ryzen Z2 A GPU has a 15 W TDP, while the NVIDIA GB10 has a 140 W TDP.

Q: How does the GB10 compare to its nearest rivals in benchmark scores?

A: The GB10 scores 117393 on average, 0.3 percent ahead of the NVIDIA RTX 4000 SFF Ada Generation, 1.3 percent behind the AMD Radeon PRO W7700, 2.6 percent ahead of the NVIDIA Tesla V100 SXM2 16 GB, and 3 percent ahead of the NVIDIA RTX A5500 Mobile.

Q: Which processor has tensor cores?

A: Only the NVIDIA GB10 has tensor cores, with 384 of them. The AMD Ryzen Z2 A GPU has no tensor cores listed.

Specification Differences

| Specification | AMD Ryzen Z2 A GPU | NVIDIA GB10 |

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

| Architecture | RDNA 2.0 | Blackwell 2.0 |

| Process Node | 7 nm | 5 nm |

| Die Size | 163 mm² | 382 mm² |

| Transistors | 2,400 million | unknown |

| Base Clock | 1000 MHz | 1665 MHz |

| Boost Clock | 1600 MHz | 2418 MHz |

| Memory Size | 16 GB | 128 GB |

| Memory Type | LPDDR5 | LPDDR5X |

| Memory Bus Width | 128 bit | 256 bit |

| Memory Bandwidth | 102.4 GB/s | 273.2 GB/s |

| Shading Units | 512 | 6144 |

| TMUs | 32 | 384 |

| ROPs | 16 | 48 |

| RT Cores | 8 | 48 |

| Tensor Cores | None | 384 |

| FP32 Performance | 1.638 TFLOPS | 29.71 TFLOPS |

| FP16 Performance | 3.277 TFLOPS (2:1) | 29.71 TFLOPS (1:1) |

| Pixel Rate | 25.60 GPixel/s | 116.1 GPixel/s |

| Texture Rate | 51.20 GTexel/s | 928.5 GTexel/s |

| TDP | 15 W | 140 W |

| Bus Interface | Not listed | PCIe 5.0 x16 |

| Display Outputs | 1x USB Type-C | 1x HDMI |

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

| OpenGL Support | 4.6 | N/A |

| Vulkan Support | 1.4 | N/A |

| Launch MSRP | None listed | 3,999 USD |

| Release Date | 2024-12-31 | 2025-10-14 |

| Predecessor | None listed | Server Hopper |

| Successor | None listed | Server Rubin |

| Power Connectors | None listed | None |

| Suggested PSU | None listed | 300 W |

| Percentile vs All GPUs | 50 | 95 |

| Average Benchmark Score | 0 | 117393 |

The Verdict

The data separates these two processors into distinct categories with minimal overlap. The AMD Ryzen Z2 A GPU is a low-power graphics solution with a 15 W TDP, conventional API support, and a compact 163 mm² die. Its 50th percentile ranking and absence of recorded benchmark scores indicate it sits in the middle of the performance distribution among all GPUs. The NVIDIA GB10 is a server-class processor with a 140 W TDP, 384 tensor cores, 128 GB of memory, and a 95th percentile ranking. Its average benchmark score of 117393 places it alongside established workstation products like the NVIDIA RTX 4000 SFF Ada Generation and AMD Radeon PRO W7700.

Users requiring DirectX, OpenGL, or Vulkan support must choose the AMD part, as the GB10 lists no support for these APIs. Users requiring maximum compute throughput, large memory capacity, or AI acceleration hardware should choose the GB10, which leads by 18.1x in FP32 compute and offers 384 tensor cores versus none. The GB10 also provides 8 times the memory capacity and 2.7 times the bandwidth.

The power envelope is the clearest differentiator. The AMD chip operates at 15 W, suitable for battery-powered or thermally constrained designs. The GB10 requires 140 W and a 300 W suggested PSU, reflecting its server positioning. The release dates also differ, with the AMD part launching in late 2024 and the GB10 in October 2025.

The benchmark data shows no scenario where the AMD part outperforms the GB10 in raw performance. The GB10 wins every recorded compute and memory metric. The AMD part wins only in power efficiency, physical footprint, and graphics API compatibility. For workloads that fit within the AMD part's 15 W envelope and require standard graphics APIs, the Ryzen Z2 A GPU is the only option between the two. For everything else, the GB10 is the superior choice by every measured metric.