AMD Ryzen Z2 GPU vs NVIDIA L4 Comparison

FAQ

Q: What is the performance difference between the AMD Ryzen Z2 GPU and the NVIDIA L4?

A: The NVIDIA L4 holds a substantial lead in the recorded data. The L4 has an average benchmark score of 131,072, while the AMD Ryzen Z2 GPU has no recorded benchmark scores in the database. The L4 sits in the 95th percentile of all GPUs, whereas the Ryzen Z2 GPU is in the 50th percentile.

Q: How does the NVIDIA L4 compare to its nearest rivals?

A: The L4's average score of 131,072 is 0.7% behind the NVIDIA GeForce RTX 3090 Ti (131,938), 3.1% behind the NVIDIA RTX 4000 Ada Generation (135,218), 3.1% behind the NVIDIA A10M (135,230), and 3.2% behind the AMD Radeon PRO W6800 (135,396).

Q: What are the memory specifications of each GPU?

A: The AMD Ryzen Z2 GPU has 16 GB of LPDDR5X memory on a 128-bit bus, delivering 119.9 GB/s of bandwidth. The NVIDIA L4 has 24 GB of GDDR6 memory on a 192-bit bus, delivering 300.1 GB/s of bandwidth.

Q: Which GPU has a higher boost clock?

A: The AMD Ryzen Z2 GPU has a boost clock of 2700 MHz, which is higher than the NVIDIA L4's boost clock of 2040 MHz. However, the L4's higher core count and memory bandwidth result in far greater overall compute throughput.

Q: What is the power consumption of each GPU?

A: The AMD Ryzen Z2 GPU has a TDP of 28 W, while the NVIDIA L4 has a TDP of 72 W. Neither card requires external power connectors, though the L4 lists a suggested PSU of 250 W.

Q: What is the transistor count and die size for these chips?

A: The AMD Ryzen Z2 GPU uses 25,390 million transistors on a 178 mm² die, manufactured on a 4 nm process at TSMC. The NVIDIA L4 uses 35,800 million transistors on a 294 mm² die, manufactured on a 5 nm process at TSMC.

Architecture Differences

The AMD Ryzen Z2 GPU is built on the RDNA 3.0 architecture, specifically using the Hawk Point chip. It is classified as a Console GPU generation part. The NVIDIA L4 uses the Ada Lovelace architecture with the AD104 chip and belongs to the Server Ada (Lxx) generation.

Manufacturing processes differ between the two. The Ryzen Z2 GPU is fabricated on a 4 nm process at TSMC, while the L4 uses a 5 nm process, also at TSMC. The L4's die is substantially larger at 294 mm² compared to the Ryzen Z2 GPU's 178 mm². Transistor counts follow suit: the L4 packs 35,800 million transistors versus 25,390 million on the Ryzen Z2 GPU. Transistor density favors the Ryzen Z2 GPU at 142.6M per mm², compared to the L4's 121.8M per mm².

The compute architectures diverge sharply. The Ryzen Z2 GPU has 768 shading units, 48 texture mapping units, and 32 ROPs. The L4 has 7,424 shading units, 240 TMUs, and 80 ROPs. Ray tracing hardware also differs: the Ryzen Z2 GPU includes 12 RT cores, while the L4 includes 60 RT cores. The L4 additionally features 240 tensor cores, a resource the Ryzen Z2 GPU lacks entirely.

Memory subsystems are built on different technologies. The Ryzen Z2 GPU uses LPDDR5X with a 128-bit bus, while the L4 uses GDDR6 with a 192-bit bus. Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Ryzen Z2 GPU has a single USB Type-C display output, while the L4 has no display outputs at all, reflecting its server-oriented design.

Where Each One Wins

The AMD Ryzen Z2 GPU is positioned for compact, low-power integration. Its 28 W TDP and lack of power connectors make it suitable for systems where thermal and power budgets are constrained. The single USB Type-C output indicates a focus on direct display connectivity. Its higher boost clock of 2700 MHz suggests responsiveness in lighter workloads, though the absence of recorded benchmark scores limits quantitative assessment.

The NVIDIA L4 is a server-class accelerator. Its 24 GB GDDR6 memory and 300.1 GB/s bandwidth support large datasets and memory-intensive inference workloads. The inclusion of 240 tensor cores gives it a decisive edge in accelerated compute tasks. The L4's 95th percentile standing among all GPUs, with an average score of 131,072, places it near the top of the database. Its single-slot form factor, 169 mm length, and 56 mm height allow dense server deployment. The PCIe 4.0 x16 interface provides host connectivity that the Ryzen Z2 GPU lacks.

The recorded Geekbench results for the L4 show 140,838 in OpenCL and 121,306 in Vulkan, demonstrating strong performance across both compute and graphics APIs. The Ryzen Z2 GPU has no corresponding entries, so its standing in these workloads cannot be quantified from the database.

Specification Differences

| Specification | AMD Ryzen Z2 GPU | NVIDIA L4 |

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

| Architecture | RDNA 3.0 | Ada Lovelace |

| Chip | Hawk Point | AD104 |

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

| Process Node | 4 nm | 5 nm |

| Foundry | TSMC | TSMC |

| Transistors | 25,390 million | 35,800 million |

| Die Size | 178 mm² | 294 mm² |

| Transistor Density | 142.6M / mm² | 121.8M / mm² |

| Base Clock | 800 MHz | 795 MHz |

| Boost Clock | 2700 MHz | 2040 MHz |

| Memory Clock | 937 MHz, 7.5 Gbps effective | 1563 MHz, 12.5 Gbps effective |

| Memory Size | 16 GB | 24 GB |

| Memory Type | LPDDR5X | GDDR6 |

| Memory Bus Width | 128 bit | 192 bit |

| Memory Bandwidth | 119.9 GB/s | 300.1 GB/s |

| Shading Units | 768 | 7424 |

| TMUs | 48 | 240 |

| ROPs | 32 | 80 |

| RT Cores | 12 | 60 |

| Tensor Cores | None | 240 |

| Pixel Rate | 86.40 GPixel/s | 163.2 GPixel/s |

| Texture Rate | 129.6 GTexel/s | 489.6 GTexel/s |

| FP32 | 8.294 TFLOPS | 30.29 TFLOPS |

| FP16 | 8.294 TFLOPS (1:1) | 30.29 TFLOPS (1:1) |

| TDP | 28 W | 72 W |

| Slot Width | Not specified | Single-slot |

| Power Connectors | None | None |

| Suggested PSU | Not specified | 250 W |

| Bus Interface | Not specified | PCIe 4.0 x16 |

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

| Length | Not specified | 169 mm (6.7 inches) |

| Height | Not specified | 56 mm (2.2 inches) |

| Release Date | 2024-12-31 | 2023-03-20 |

| Predecessor | None | Server Ampere |

| Successor | None | Server Hopper |

| Production Status | Active | Active |

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between the AMD Ryzen Z2 GPU and the NVIDIA L4. However, the L4 has standalone results that establish its performance tier, while the Ryzen Z2 GPU has none. The L4 achieved a Geekbench OpenCL score of 140,838 and a Geekbench Vulkan score of 121,306, averaging 131,072 across recorded tests. That places it at the 95th percentile of all GPUs.

The Ryzen Z2 GPU's FP32 throughput is 8.294 TFLOPS, and its FP16 throughput is also 8.294 TFLOPS at a 1:1 ratio. The L4 delivers 30.29 TFLOPS in both FP32 and FP16, again at 1:1. The L4 therefore provides roughly 3.65 times the FP32 compute of the Ryzen Z2 GPU, based on the figures in the database. Pixel rate tells a similar story: the L4 reaches 163.2 GPixel/s versus 86.40 GPixel/s for the Ryzen Z2 GPU. Texture rate favors the L4 even more decisively at 489.6 GTexel/s versus 129.6 GTexel/s.

The L4's nearest rivals bracket its performance tightly. The NVIDIA GeForce RTX 3090 Ti averages 131,938, just 0.7% higher. The NVIDIA RTX 4000 Ada Generation averages 135,218, 3.1% higher. The NVIDIA A10M also averages 135,230, 3.1% higher. The AMD Radeon PRO W6800 averages 135,396, 3.2% higher. These small deltas indicate the L4 competes directly with high-end workstation and server GPUs from the previous generation.

Memory bandwidth is another area of clear separation. The L4's 300.1 GB/s is roughly 2.5 times the Ryzen Z2 GPU's 119.9 GB/s. The L4 also carries 24 GB of memory versus 16 GB, a 50% capacity advantage. The larger 192-bit bus and faster GDDR6 memory account for this gap. The Ryzen Z2 GPU's LPDDR5X memory runs at 7.5 Gbps effective, while the L4's GDDR6 runs at 12.5 Gbps effective.

The Ryzen Z2 GPU does hold advantages in several specifications. Its boost clock of 2700 MHz is 32% higher than the L4's 2040 MHz. Its base clock of 800 MHz is marginally higher than the L4's 795 MHz. Transistor density is also higher at 142.6M per mm² versus 121.8M per mm². These factors reflect a more modern process node and a design optimized for efficiency within a 28 W power envelope.

The L4's tensor core count of 240 and RT core count of 60 are unique capabilities that the Ryzen Z2 GPU cannot match. The Ryzen Z2 GPU has 12 RT cores but no tensor cores at all. For workloads that rely on tensor operations, the L4 is the only one of the two with dedicated hardware support. The L4's server lineage, indicated by its predecessor (Server Ampere) and successor (Server Hopper), reinforces its role as a compute-oriented accelerator rather than a display-oriented GPU.

Power consumption scales with capability. The L4 draws 72 W under TDP, which is 2.57 times the Ryzen Z2 GPU's 28 W. The L4 also lists a suggested PSU of 250 W, while the Ryzen Z2 GPU lists none. The L4's single-slot cooler and passive power design suit rack-mounted environments. The Ryzen Z2 GPU's single USB Type-C output suits portable or embedded systems with direct display needs.

The release dates place these products in different market windows. The NVIDIA L4 launched on 2023-03-20, while the AMD Ryzen Z2 GPU launched on 2024-12-31. Both remain in active production. The L4's recorded benchmark data and 95th percentile ranking give it a clear quantitative standing. The Ryzen Z2 GPU's lack of recorded scores leaves its real-world performance unmeasured in the database.