AMD Ryzen Z1 GPU vs AMD Ryzen Z2 Go GPU Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark results for the AMD Ryzen Z1 GPU and the AMD Ryzen Z2 Go GPU. Both entries list an average benchmark score of 0 and a percentile versus all GPUs of 50, indicating that no measured performance deltas have been captured. Without benchmark scores, the comparison must rely entirely on the architectural specifications and derived throughput figures recorded in the database.

The raw compute figures show a clear advantage for the Ryzen Z2 Go GPU. Its FP32 throughput is recorded at 4.147 TFLOPS, which is 62% higher than the Ryzen Z1 GPU's 2.560 TFLOPS. The FP16 figures follow the same pattern: the Z2 Go delivers 8.294 TFLOPS (2:1) versus 5.120 TFLOPS (2:1) for the Z1, a 62% advantage. Texture rate favors the Z2 Go at 129.6 GTexel/s compared to 40.00 GTexel/s, a 224% gap. Pixel rate also favors the Z2 Go at 86.40 GPixel/s versus 20.00 GPixel/s, a 332% difference. These are the largest recorded wins in the specification-level comparison.

The Ryzen Z1 GPU does hold advantages in certain recorded fields. Its base clock is 1500 MHz versus 800 MHz for the Z2 Go, a 87.5% higher base operating frequency. The boost clock comparison is closer: 2500 MHz for the Z1 versus 2700 MHz for the Z2 Go, meaning the Z2 Go boosts 8% higher. The Z1 is manufactured on a 4 nm process node, while the Z2 Go uses a 6 nm process node. Transistor count favors the Z1 at 25,390 million versus 13,100 million, a 93.8% higher count. Die size is smaller on the Z1 at 178 mm² compared to 208 mm² for the Z2 Go. Transistor density reflects the process node difference: the Z1 records 142.6M transistors per mm², while the Z2 Go records 63.0M per mm².

Memory bandwidth is a major split. The Z2 Go records 102.4 GB/s across a 128-bit bus, while the Z1 records 51.20 GB/s across a 64-bit bus. The Z2 Go's bandwidth is exactly double the Z1's. Both use 16 GB of LPDDR5 memory, and both list memory clocks at 800 MHz with 6.4 Gbps effective. The power envelopes are nearly identical: the Z1 is rated at 30 W TDP and the Z2 Go at 28 W TDP. This makes the Z2 Go's higher compute throughput more notable, as it achieves those figures within a lower recorded power limit.

Architecture Differences

The two GPUs come from different architectural generations. The Ryzen Z1 GPU is built on RDNA 3.0 with the Phoenix chip, while the Ryzen Z2 Go GPU uses RDNA 2.0 with the Rembrandt+ chip. Both are listed under the Console GPU (AMD) generation, but the underlying designs differ substantially. The Z1 uses a 4 nm TSMC process node, whereas the Z2 Go uses a 6 nm TSMC process node. Both are manufactured by TSMC, but the density difference is pronounced: 142.6M transistors per mm² for the Z1 versus 63.0M per mm² for the Z2 Go. The Z1 packs more transistors overall, 25,390 million, into a smaller die of 178 mm², while the Z2 Go uses 13,100 million transistors across a larger 208 mm² die.

The execution resource counts diverge sharply. The Z1 has 256 shading units, 16 texture mapping units, and 8 render output units. The Z2 Go has 768 shading units, 48 TMUs, and 32 ROPs. That is 3 times the shaders, 3 times the TMUs, and 4 times the ROPs. Ray tracing cores follow the same trend: 4 on the Z1 versus 12 on the Z2 Go, a 3x difference. Neither GPU records tensor cores in the database.

Clock behavior differs as well. The Z1 has a higher base clock at 1500 MHz, but the Z2 Go has a higher boost clock at 2700 MHz. The boost delta is 200 MHz in favor of the Z2 Go. Memory clocks are identical at 800 MHz with 6.4 Gbps effective, and both use LPDDR5 memory with 16 GB capacity. The bus width, however, is 64-bit on the Z1 and 128-bit on the Z2 Go, which is the primary driver of the bandwidth difference.

API support is identical on both GPUs: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Both are listed as Active production status. The Z1 was released on 2023-09-17, while the Z2 Go has a release date of 2024-12-31. Neither has a recorded predecessor or successor in the database. The Z1 has a launch MSRP of 599 USD, while the Z2 Go has no recorded launch MSRP.

Power delivery configurations are similar: both list no power connectors, and neither records a suggested PSU. The Z1 has physical dimensions recorded at 280 mm length, 111 mm height, and 21 mm width. The Z2 Go has no dimensions recorded. Display outputs differ: the Z1 lists no outputs, while the Z2 Go lists 1x USB Type-C.

Where Each One Wins

The Ryzen Z2 Go GPU wins in every recorded compute throughput category. Its FP32 output of 4.147 TFLOPS is 62% higher than the Z1's 2.560 TFLOPS. FP16 follows at 8.294 TFLOPS versus 5.120 TFLOPS. The texture rate advantage is far larger: 129.6 GTexel/s versus 40.00 GTexel/s, a 224% lead. Pixel rate shows the largest gap at 86.40 GPixel/s versus 20.00 GPixel/s, a 332% lead. Memory bandwidth doubles from 51.20 GB/s to 102.4 GB/s. The Z2 Go also carries 3 times the shading units, 3 times the TMUs, 4 times the ROPs, and 3 times the ray tracing cores. For workloads that scale with shader count, texture throughput, pixel fill, ray tracing, or memory bandwidth, the Z2 Go is the stronger part based on the recorded data.

The Ryzen Z1 GPU wins in a narrower set of fields. Its base clock is 87.5% higher at 1500 MHz versus 800 MHz, which can matter for workloads that are sensitive to base operating frequency or for sustained operation below boost conditions. Its transistor count is 93.8% higher at 25,390 million versus 13,100 million, and its transistor density is more than double at 142.6M per mm² versus 63.0M per mm². The process node advantage, 4 nm versus 6 nm, points to a more advanced manufacturing technology. The Z1 also has a smaller die at 178 mm² versus 208 mm², which combined with the higher transistor count indicates a denser, more compact design. The Z1's launch MSRP is recorded at 599 USD, while the Z2 Go has no recorded launch MSRP. The Z1 is also the only one of the two with recorded physical dimensions, measuring 280 mm by 111 mm by 21 mm.

The power efficiency picture is mixed. The Z1 is rated at 30 W TDP, only 2 W higher than the Z2 Go's 28 W TDP. Despite the lower power limit, the Z2 Go delivers substantially higher throughput in every measured category. That means the Z2 Go produces more compute per watt in FP32, FP16, texture, pixel, and ray tracing workloads. The Z1's higher base clock and denser process node do not translate into a throughput advantage in the recorded data.

FAQ

Q: Which GPU has higher FP32 performance?

A: The AMD Ryzen Z2 Go GPU, with 4.147 TFLOPS versus 2.560 TFLOPS for the AMD Ryzen Z1 GPU, a 62% advantage.

Q: Do both GPUs use the same memory configuration?

A: Both use 16 GB of LPDDR5 memory with 6.4 Gbps effective speed, but the Z2 Go has a 128-bit bus with 102.4 GB/s bandwidth while the Z1 has a 64-bit bus with 51.20 GB/s bandwidth.

Q: What is the difference in ray tracing cores?

A: The Z2 Go has 12 ray tracing cores, which is 3 times the 4 ray tracing cores on the Z1.

Q: Which GPU has a higher boost clock?

A: The Z2 Go boosts to 2700 MHz, while the Z1 boosts to 2500 MHz, a 200 MHz difference. The Z1 has the higher base clock at 1500 MHz versus 800 MHz.

Q: Are the architectural generations different?

A: Yes. The Z1 uses RDNA 3.0 with the Phoenix chip, while the Z2 Go uses RDNA 2.0 with the Rembrandt+ chip. The Z1 is on a 4 nm process node, and the Z2 Go is on a 6 nm node.

Q: What display outputs does each GPU have?

A: The Z1 lists no outputs, while the Z2 Go lists 1x USB Type-C.

The Verdict

The recorded data supports a clear split. The AMD Ryzen Z2 Go GPU is the stronger compute part by every measured throughput metric. It delivers 62% more FP32, 62% more FP16, 224% more texture rate, 332% more pixel rate, double the memory bandwidth, and 3 times the shading units, TMUs, and ray tracing cores, all within a lower 28 W TDP. Any workload that stresses shader throughput, texture filtering, pixel fill, ray tracing, or memory bandwidth will favor the Z2 Go.

The AMD Ryzen Z1 GPU holds advantages in base clock, transistor density, process node, and total transistor count. Its 1500 MHz base clock is 87.5% higher than the Z2 Go's 800 MHz, and its 4 nm process node with 142.6M transistors per mm² represents a denser design. For users who prioritize the smaller die, the more advanced process, or the higher base clock, the Z1 is the recorded choice. The Z1 also has a documented launch MSRP of 599 USD, while the Z2 Go has no recorded launch MSRP.

The Z1's higher transistor count does not produce higher throughput. The Z2 Go achieves more compute with fewer transistors, a larger die, and a less dense process node, which indicates a fundamentally different design approach. The Z1 is the only one with recorded physical dimensions, measuring 280 mm by 111 mm by 21 mm, while the Z2 Go has none recorded.

For raw performance, the Z2 Go is the part to select based on the database. For process technology and base clock characteristics, the Z1 holds the recorded edge. Neither has benchmark scores in the database, so these conclusions are derived entirely from the specification-level measurements.

Specification Differences

| Field | AMD Ryzen Z1 GPU | AMD Ryzen Z2 Go GPU |

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

| Chip | Phoenix | Rembrandt+ |

| Architecture | RDNA 3.0 | RDNA 2.0 |

| Process Node | 4 nm | 6 nm |

| Transistors | 25,390 million | 13,100 million |

| Die Size | 178 mm² | 208 mm² |

| Transistor Density | 142.6M / mm² | 63.0M / mm² |

| Base Clock | 1500 MHz | 800 MHz |

| Boost Clock | 2500 MHz | 2700 MHz |

| Memory Bus Width | 64 bit | 128 bit |

| Memory Bandwidth | 51.20 GB/s | 102.4 GB/s |

| Shading Units | 256 | 768 |

| TMUs | 16 | 48 |

| ROPs | 8 | 32 |

| Ray Tracing Cores | 4 | 12 |

| Pixel Rate | 20.00 GPixel/s | 86.40 GPixel/s |

| Texture Rate | 40.00 GTexel/s | 129.6 GTexel/s |

| FP32 | 2.560 TFLOPS | 4.147 TFLOPS |

| FP16 | 5.120 TFLOPS (2:1) | 8.294 TFLOPS (2:1) |

| TDP | 30 W | 28 W |

| Display Outputs | No outputs | 1x USB Type-C |

| Release Date | 2023-09-17 | 2024-12-31 |

| Launch MSRP | 599 USD | None |

| Dimensions | 280 mm x 111 mm x 21 mm | None |