AMD Ryzen Z2 Go GPU vs NVIDIA L20 Comparison

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark comparisons between the AMD Ryzen Z2 Go GPU and the NVIDIA L20. However, the recorded data for the NVIDIA L20 provides a clear picture of its performance class. The L20 achieves an average benchmark score of 251,147 across the two recorded tests: 274,276 in Geekbench OpenCL and 228,018 in Geekbench Vulkan. This places the L20 at the 99th percentile among all GPUs tracked in the database, meaning it outperforms 99 percent of the field. In contrast, the AMD Ryzen Z2 Go GPU has no recorded benchmark scores, and its percentile ranking sits at 50, which indicates a mid-pack position based on its specifications rather than measured results.

The NVIDIA L20's nearest rivals in the database help contextualize its standing. The L20 leads the NVIDIA PG506-232 by 11.6 percent, with the PG506-232 averaging a score of 225,124. It also sits 14.2 percent ahead of the AMD Radeon PRO W7900D, which averages 219,827. On the other side, the L20 trails the NVIDIA L40 by 11.6 percent; the L40 averages 284,111. The NVIDIA RTX 6000 Ada Generation sits 12.6 percent ahead of the L20, averaging 287,237. These deltas show the L20 occupying a solid position within its server-grade peer group, clearly above the PG506-232 and W7900D, while remaining within roughly 12 percent of the higher-end L40 and RTX 6000 Ada parts.

For the AMD Ryzen Z2 Go GPU, the absence of benchmark scores means the analysis must rely on its theoretical compute figures. The Z2 Go delivers 4.147 TFLOPS of FP32 performance and 8.294 TFLOPS of FP16 performance. The NVIDIA L20 delivers 59.35 TFLOPS in both FP32 and FP16, a 14.3 times higher FP32 figure. In memory bandwidth, the L20 offers 864.0 GB/s versus 102.4 GB/s for the Z2 Go, an 8.4 times advantage. The L20 also holds a substantial edge in pixel throughput at 322.6 GPixel/s versus 86.40 GPixel/s, and in texture throughput at 927.4 GTexel/s versus 129.6 GTexel/s. These are not close comparisons; the L20 dominates across every measured performance dimension.

The Verdict

The data indicates two products built for entirely different segments. The NVIDIA L20, with its 99th percentile ranking and measured scores of 274,276 in OpenCL and 228,018 in Vulkan, is a server-class compute accelerator. Its nearest rival comparisons show it comfortably ahead of the PG506-232 and the Radeon PRO W7900D, and only modestly behind the L40 and RTX 6000 Ada Generation. The L20 uses 275 W of power, which aligns with a dual-slot, PCIe 4.0 x16 server card.

The AMD Ryzen Z2 Go GPU, by contrast, carries a 28 W TDP and has no power connectors, indicating a low-power embedded or mobile design. Its 50th percentile standing reflects a mid-range position, but without benchmark data, the database cannot confirm how it performs in real workloads. The FP32 output of 4.147 TFLOPS places it in a fundamentally different performance class from the L20's 59.35 TFLOPS.

For users selecting a GPU for compute-heavy server workloads, the L20 is the clear choice based on the recorded measurements. For applications requiring minimal power draw and a compact footprint, the Z2 Go presents a viable option, but the performance gap is extreme. The L20 delivers over 14 times the FP32 throughput and over 8 times the memory bandwidth while consuming about 9.8 times the power. The data does not support any scenario where the Z2 Go competes with the L20 on raw performance.

Architecture Differences

The two GPUs come from different architectural generations and process nodes. The AMD Ryzen Z2 Go uses the Rembrandt+ chip built on RDNA 2.0 architecture, manufactured on a 6 nm process at TSMC. The NVIDIA L20 uses the AD102 chip built on Ada Lovelace architecture, manufactured on a 5 nm process at TSMC. The process node difference is modest, but the transistor counts are not. The Z2 Go contains 13,100 million transistors on a 208 mm² die, yielding a transistor density of 63.0M per mm². The L20 packs 76,300 million transistors onto a 609 mm² die, with a density of 125.3M per mm². The L20 has nearly double the transistor density and roughly 5.8 times the total transistor count.

The compute resources differ by a wide margin. The Z2 Go has 768 shading units, 48 texture mapping units, 32 raster operation units, and 12 ray tracing cores. The L20 has 11,776 shading units, 368 texture mapping units, 128 raster operation units, and 92 ray tracing cores. The L20 also integrates 368 tensor cores, while the Z2 Go has none listed. This means the L20 supports tensor-accelerated workloads, while the Z2 Go does not. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API coverage is identical.

Memory architectures also diverge sharply. The Z2 Go uses 16 GB of LPDDR5 on a 128-bit bus, producing 102.4 GB/s of bandwidth. The L20 uses 48 GB of GDDR6 on a 384-bit bus, producing 864.0 GB/s of bandwidth. The L20 offers three times the memory capacity and over eight times the bandwidth. The FP16 output also differs in ratio: the Z2 Go delivers 8.294 TFLOPS at a 2:1 ratio relative to FP32, while the L20 delivers 59.35 TFLOPS at a 1:1 ratio, meaning the L20 does not halve its throughput when switching to FP16.

Specification Differences

The table below lists only the fields where the two GPUs differ.

| Specification | AMD Ryzen Z2 Go GPU | NVIDIA L20 |

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

| Chip | Rembrandt+ | AD102 |

| Architecture | RDNA 2.0 | Ada Lovelace |

| Generation | Console GPU (AMD) | Server Ada (Lxx) |

| Process node | 6 nm | 5 nm |

| Transistors | 13,100 million | 76,300 million |

| Die size | 208 mm² | 609 mm² |

| Transistor density | 63.0M / mm² | 125.3M / mm² |

| Base clock | 800 MHz | 1440 MHz |

| Boost clock | 2700 MHz | 2520 MHz |

| Memory clock | 800 MHz 6.4 Gbps effective | 2250 MHz 18 Gbps effective |

| Memory size | 16 GB | 48 GB |

| Memory type | LPDDR5 | GDDR6 |

| Memory bus width | 128 bit | 384 bit |

| Memory bandwidth | 102.4 GB/s | 864.0 GB/s |

| Shading units | 768 | 11776 |

| TMUs | 48 | 368 |

| ROPs | 32 | 128 |

| RT cores | 12 | 92 |

| Tensor cores | None | 368 |

| Pixel rate | 86.40 GPixel/s | 322.6 GPixel/s |

| Texture rate | 129.6 GTexel/s | 927.4 GTexel/s |

| FP32 | 4.147 TFLOPS | 59.35 TFLOPS |

| FP16 | 8.294 TFLOPS (2:1) | 59.35 TFLOPS (1:1) |

| TDP | 28 W | 275 W |

| Slot width | Not listed | Dual-slot |

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

| Suggested PSU | Not listed | 600 W |

| Bus interface | Not listed | PCIe 4.0 x16 |

| Display outputs | 1x USB Type-C | 4x DisplayPort 1.4a |

| Dimensions | Not listed | 267 mm, 111 mm |

| Release date | 2024-12-31 | 2023-11-15 |

| Predecessor | Not listed | Server Ampere |

| Successor | Not listed | Server Hopper |

| Geekbench OpenCL score | Not recorded | 274276 |

| Geekbench Vulkan score | Not recorded | 228018 |

| Average benchmark score | 0 | 251147 |

| Percentile vs. all GPUs | 50 | 99 |

FAQ

Q: Which GPU has the higher FP32 performance?

A: The NVIDIA L20 delivers 59.35 TFLOPS of FP32 performance, while the AMD Ryzen Z2 Go GPU delivers 4.147 TFLOPS. The L20 has a 14.3 times advantage.

Q: How much memory does each GPU have?

A: The AMD Ryzen Z2 Go GPU has 16 GB of LPDDR5 memory on a 128-bit bus. The NVIDIA L20 has 48 GB of GDDR6 memory on a 384-bit bus.

Q: What is the memory bandwidth difference?

A: The NVIDIA L20 provides 864.0 GB/s of memory bandwidth. The AMD Ryzen Z2 Go GPU provides 102.4 GB/s. The L20 offers about 8.4 times the bandwidth.

Q: Does the NVIDIA L20 support tensor core operations?

A: Yes. The NVIDIA L20 includes 368 tensor cores. The AMD Ryzen Z2 Go GPU has no tensor core count listed.

Q: What power draw does each GPU require?

A: The AMD Ryzen Z2 Go GPU has a 28 W TDP and uses no power connectors. The NVIDIA L20 has a 275 W TDP, uses a 1x 16-pin power connector, and has a suggested PSU rating of 600 W.

Q: How does the NVIDIA L20 compare to its nearest rivals?

A: The L20 averages 251,147 in benchmark scores. It leads the NVIDIA PG506-232 by 11.6 percent (225,124 average) and the AMD Radeon PRO W7900D by 14.2 percent (219,827 average). It trails the NVIDIA L40 by 11.6 percent (284,111 average) and the NVIDIA RTX 6000 Ada Generation by 12.6 percent (287,237 average).