AMD Ryzen Z2 GPU vs NVIDIA GeForce RTX 5070 Comparison

FAQ

Q: What are the architectural generations of the AMD Ryzen Z2 GPU and the NVIDIA GeForce RTX 5070?

A: The AMD Ryzen Z2 GPU uses the RDNA 3.0 architecture, while the NVIDIA GeForce RTX 5070 is built on Blackwell 2.0.

Q: How do the memory subsystems differ between the two?

A: The AMD Ryzen Z2 GPU has 16 GB of LPDDR5X on a 128-bit bus delivering 119.9 GB/s, while the RTX 5070 has 12 GB of GDDR7 on a 192-bit bus delivering 672.0 GB/s.

Q: Which GPU has the higher FP32 throughput?

A: The NVIDIA GeForce RTX 5070 delivers 30.87 TFLOPS of FP32 compute, compared to 8.294 TFLOPS for the AMD Ryzen Z2 GPU.

Q: How do the power requirements compare?

A: The AMD Ryzen Z2 GPU has a TDP of 28 W, while the RTX 5070 has a TDP of 250 W.

Q: What is the process node and die size for each?

A: Both use TSMC fabrication: the AMD chip is on a 4 nm node with a 178 mm² die, while the NVIDIA chip is on a 5 nm node with a 263 mm² die.

Q: What benchmark data exists for the RTX 5070?

A: The database records an average benchmark score of 40377, a percentile rank of 82 among all GPUs, with notable results including 29137 in Passmark G3D and 172660 in Geekbench OpenCL.

Architecture Differences

The AMD Ryzen Z2 GPU is a console-oriented processor built on the RDNA 3.0 architecture, fabricated on a 4 nm process at TSMC. The chip, codenamed Hawk Point, integrates 25,390 million transistors within a 178 mm² die. This results in a transistor density of 142.6 million transistors per square millimeter. The GPU operates with a base clock of 800 MHz and a boost clock of 2700 MHz. Its memory subsystem uses LPDDR5X configured as 16 GB on a 128-bit bus, providing 119.9 GB/s of bandwidth. The memory clock runs at 937 MHz with 7.5 Gbps effective data rate.

The NVIDIA GeForce RTX 5070 employs the Blackwell 2.0 architecture and the GB205 chip, built on a 5 nm process at TSMC. The die contains 31,100 million transistors across 263 mm², giving a lower transistor density of 118.3 million per square millimeter. Its base clock is 2325 MHz with a boost clock of 2512 MHz. Memory is faster and wider: 12 GB of GDDR7 on a 192-bit bus, delivering 672.0 GB/s. The memory clock is 1750 MHz with a 28 Gbps effective rate.

The AMD part has 768 shading units, 48 texture mapping units, and 32 render output units. It includes 12 ray tracing cores. Its FP32 and FP16 performance are both rated at 8.294 TFLOPS with a 1:1 ratio. Pixel rate is 86.40 GPixel/s and texture rate is 129.6 GTexel/s. The RTX 5070, by contrast, has 6144 shading units, 192 TMUs, and 80 ROPs, along with 48 RT cores and 192 tensor cores. Its FP32 output reaches 30.87 TFLOPS, matching FP16 at 30.87 TFLOPS. Pixel rate is 201.0 GPixel/s and texture rate is 482.3 GTexel/s.

Power delivery differs substantially. The AMD Ryzen Z2 GPU has a TDP of 28 W and requires no power connectors. The RTX 5070 has a 250 W TDP, uses a single 16-pin connector, and recommends a 600 W power supply. The NVIDIA card is a dual-slot design measuring 245 mm in length, 115 mm in height, and 40 mm in width. It connects via PCIe 5.0 x16, while the AMD part lists no bus interface specification.

Display outputs also vary. The AMD GPU provides a single USB Type-C output. The RTX 5070 offers one HDMI 2.1b port and three DisplayPort 2.1b outputs. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Head-to-Head Benchmarks

Direct comparison data is limited because the database contains no head-to-head benchmark entries for these two parts. The AMD Ryzen Z2 GPU has no recorded benchmark scores, no average score, and no nearest rivals. Its percentile rank among all GPUs is 50. The RTX 5070, however, has substantial recorded performance data.

The RTX 5070 achieves an average benchmark score of 40377, placing it at the 82nd percentile among all GPUs. Its nearest rivals in the database are AMD Radeon Pro 580 with an average score of 40318 (0.1% behind), AMD Radeon Pro WX 7100 at 40063 (0.8% behind), AMD Radeon Pro 5300 at 40870 (1.2% ahead of the RTX 5070), and NVIDIA RTX A500 Mobile at 39568 (2% behind the RTX 5070). These margins are narrow, indicating the RTX 5070 sits in a tightly contested performance band.

In individual tests, the RTX 5070 records a 3DMark Steel Nomad DX12 score of 5077. Geekbench results show 172660 in OpenCL and 178923 in Vulkan. Passmark scores include 29137 in G3D, 15787 in GPU Compute, and lower legacy scores of 180 in DirectX 10, 277 in DirectX 11, 108 in DirectX 12, and 320 in DirectX 9. The Passmark G2D score is 1305.

Because the AMD Ryzen Z2 GPU has no benchmark entries, the database cannot establish a direct performance delta. The data shows that the RTX 5070 operates in the top quintile of all GPUs by percentile, while the AMD part sits at the median percentile with zero recorded scores. The FP32 throughput difference is substantial: 30.87 TFLOPS for NVIDIA versus 8.294 TFLOPS for AMD, a factor of roughly 3.7 based on recorded specifications.

The Verdict

The recorded data indicates a clear performance hierarchy. The NVIDIA GeForce RTX 5070 delivers benchmark results across multiple tests and holds an 82nd percentile rank. Its compute throughput, memory bandwidth, and texture rates all exceed the AMD Ryzen Z2 GPU by wide margins. The RTX 5070 also includes tensor cores, which the AMD part lacks, and nearly double the ray tracing cores.

The AMD Ryzen Z2 GPU, however, uses far less power at 28 W compared to 250 W. It also provides 16 GB of memory versus 12 GB on the RTX 5070, though with much lower bandwidth. The AMD chip has a higher transistor density, indicating a more compact design on a smaller die.

For workloads requiring maximum compute performance, the RTX 5070 is the clear choice based on specification and benchmark data. Its FP32 output is 30.87 TFLOPS, its pixel rate is 201.0 GPixel/s, and its memory bandwidth is 672.0 GB/s. The RTX 5070 also supports PCIe 5.0 x16 and offers multiple display outputs.

The AMD Ryzen Z2 GPU suits scenarios prioritizing power efficiency and memory capacity. Its 28 W TDP enables operation without external power connectors, and its 16 GB memory pool exceeds the RTX 5070. The AMD part also has a smaller die at 178 mm² and a more advanced 4 nm process node.

The database shows no benchmark scores for the AMD part, so its real-world performance cannot be quantified here. The RTX 5070 has concrete scores, including an average of 40377 and a Passmark G3D result of 29137. Users requiring verified performance data should favor the RTX 5070.

Specification Differences

| Specification | AMD Ryzen Z2 GPU | NVIDIA GeForce RTX 5070 |

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

| Architecture | RDNA 3.0 | Blackwell 2.0 |

| Process Node | 4 nm | 5 nm |

| Transistors | 25,390 million | 31,100 million |

| Die Size | 178 mm² | 263 mm² |

| Transistor Density | 142.6M / mm² | 118.3M / mm² |

| Base Clock | 800 MHz | 2325 MHz |

| Boost Clock | 2700 MHz | 2512 MHz |

| Memory Size | 16 GB | 12 GB |

| Memory Type | LPDDR5X | GDDR7 |

| Memory Bus | 128 bit | 192 bit |

| Memory Bandwidth | 119.9 GB/s | 672.0 GB/s |

| Memory Clock | 937 MHz | 1750 MHz |

| Shading Units | 768 | 6144 |

| TMUs | 48 | 192 |

| ROPs | 32 | 80 |

| RT Cores | 12 | 48 |

| Tensor Cores | None | 192 |

| Pixel Rate | 86.40 GPixel/s | 201.0 GPixel/s |

| Texture Rate | 129.6 GTexel/s | 482.3 GTexel/s |

| FP32 | 8.294 TFLOPS | 30.87 TFLOPS |

| FP16 | 8.294 TFLOPS | 30.87 TFLOPS |

| TDP | 28 W | 250 W |

| Slot Width | Not specified | Dual-slot |

| Power Connectors | None | 1x 16-pin |

| Suggested PSU | Not specified | 600 W |

| Bus Interface | Not specified | PCIe 5.0 x16 |

| Display Outputs | 1x USB Type-C | 1x HDMI 2.1b, 3x DisplayPort 2.1b |

| Dimensions | Not specified | 245 mm x 115 mm x 40 mm |

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

| Launch MSRP | Not specified | 549 USD |

Where Each One Wins

The AMD Ryzen Z2 GPU wins in power efficiency. Its 28 W TDP is an order of magnitude lower than the RTX 5070's 250 W, and it requires no external power connector. The AMD part also holds an advantage in memory capacity with 16 GB, which is 4 GB more than the RTX 5070. Its die is smaller at 178 mm² versus 263 mm², and it uses a denser 4 nm process with 142.6 million transistors per square millimeter versus 118.3 million.

The NVIDIA GeForce RTX 5070 wins in raw compute and rendering throughput. Its FP32 output of 30.87 TFLOPS exceeds the AMD part's 8.294 TFLOPS by a wide margin. Memory bandwidth favors NVIDIA at 672.0 GB/s versus 119.9 GB/s. The RTX 5070 has 6144 shading units, 192 TMUs, and 80 ROPs, dwarfing the AMD's 768, 48, and 32 respectively. Its 48 RT cores and 192 tensor cores provide dedicated acceleration for ray tracing and AI workloads, features absent from the AMD chip.

Connectivity also favors the NVIDIA card. It offers four display outputs including HDMI 2.1b and three DisplayPort 2.1b ports, while the AMD part has a single USB Type-C output. The RTX 5070 uses PCIe 5.0 x16, a modern high-bandwidth interface, while the AMD part lists no bus interface.

The RTX 5070 has verified performance data in the database. Its average benchmark score of 40377 places it at the 82nd percentile. Specific results include 29137 in Passmark G3D, 172660 in Geekbench OpenCL, and 178923 in Geekbench Vulkan. The AMD Ryzen Z2 GPU has no recorded benchmark scores, so its performance ranking cannot be established from the data.

For gaming at high resolutions or compute-heavy workloads, the RTX 5070's 192-bit GDDR7 memory and higher pixel and texture rates provide the necessary throughput. For compact, low-power embedded or console-style systems, the AMD Ryzen Z2 GPU's 28 W TDP and large 16 GB memory pool offer distinct advantages. The RTX 5070 releases in March 2025 with a launch MSRP of 549 USD, while the AMD part released in December 2024.