AMD Ryzen Z2 A GPU vs NVIDIA RTX PRO 4500 Blackwell Server Comparison

Head-to-Head Benchmarks

The recorded data contains no benchmark scores for either the AMD Ryzen Z2 A GPU or the NVIDIA RTX PRO 4500 Blackwell Server. The head-to-head benchmark table is empty, and the win count for each product is zero. Consequently, a direct numerical performance comparison cannot be established from the database entries.

Both products register an average benchmark score of zero and both sit at the 50th percentile against all GPUs in the database. The percentile figure is identical, but it does not represent a measured performance equivalence. It simply indicates that neither product has a populated benchmark history in the database, leaving both in a neutral position relative to the full GPU pool.

Without recorded benchmark values, the data offers no basis for stating which product is faster in a specific workload. The absence of scores means that any claim about relative performance would be speculation, not analysis. The database currently provides no measurable wins for either side.

FAQ

Q: What is the difference in memory bandwidth between the two GPUs?

A: The NVIDIA RTX PRO 4500 Blackwell Server has a memory bandwidth of 800.3 GB/s, while the AMD Ryzen Z2 A GPU has a memory bandwidth of 102.4 GB/s.

Q: How do the shading unit counts compare?

A: The AMD Ryzen Z2 A GPU has 512 shading units, whereas the NVIDIA RTX PRO 4500 Blackwell Server has 10,496 shading units.

Q: What are the boost clock speeds for each product?

A: The AMD Ryzen Z2 A GPU has a boost clock of 1600 MHz, and the NVIDIA RTX PRO 4500 Blackwell Server has a boost clock of 2415 MHz.

Q: Which GPU has more RT (ray tracing) cores?

A: The NVIDIA RTX PRO 4500 Blackwell Server has 82 RT cores, while the AMD Ryzen Z2 A GPU has 8 RT cores.

Q: What is the difference in FP32 compute performance?

A: The NVIDIA RTX PRO 4500 Blackwell Server delivers 50.70 TFLOPS of FP32 performance, while the AMD Ryzen Z2 A GPU delivers 1.638 TFLOPS.

Q: Are both GPUs based on the same manufacturing process?

A: No. The AMD Ryzen Z2 A GPU uses a 7 nm process, while the NVIDIA RTX PRO 4500 Blackwell Server uses a 5 nm process. Both are fabricated by TSMC.

Architecture Differences

The AMD Ryzen Z2 A GPU is built on the RDNA 2.0 architecture, using the Van Gogh chip. It belongs to the Console GPU generation for AMD. The process node is 7 nm, produced at TSMC. The chip contains 2,400 million transistors on a die size of 163 mm², resulting in a transistor density of 14.7M per mm².

The NVIDIA RTX PRO 4500 Blackwell Server is built on the Blackwell 2.0 architecture, using the GB203 chip. It belongs to the Server Blackwell (Bxx) generation for NVIDIA. The process node is 5 nm, also produced at TSMC. The chip contains 45,600 million transistors on a die size of 378 mm², resulting in a transistor density of 120.6M per mm².

The architecture generations differ fundamentally. RDNA 2.0 is a graphics-focused design, whereas Blackwell 2.0 is a server-oriented architecture. The transistor count difference is substantial, with the NVIDIA chip carrying nearly 19 times more transistors. The die size also differs, with the NVIDIA chip being over twice as large. The transistor density gap reflects both the process node advantage and the architectural complexity of the Blackwell design.

The AMD GPU uses 512 shading units, 32 TMUs, and 16 ROPs. It has 8 RT cores. The NVIDIA GPU uses 10,496 shading units, 328 TMUs, and 112 ROPs. It has 82 RT cores and 328 tensor cores. The NVIDIA GPU also has a higher pixel rate at 270.5 GPixel/s versus 25.60 GPixel/s for the AMD part, and a higher texture rate at 792.1 GTexel/s versus 51.20 GTexel/s.

The FP16 compute rates also show a structural difference. The AMD GPU achieves 3.277 TFLOPS with a 2:1 ratio relative to FP32. The NVIDIA GPU achieves 50.70 TFLOPS with a 1:1 ratio, meaning it does not double its rate for FP16 workloads.

Specification Differences

The two GPUs differ across nearly every recorded specification field.

Process and Die: The AMD Ryzen Z2 A GPU uses a 7 nm process with a 163 mm² die. The NVIDIA RTX PRO 4500 Blackwell Server uses a 5 nm process with a 378 mm² die. Transistor counts are 2,400 million versus 45,600 million.

Clocks: The AMD GPU has a base clock of 1000 MHz and a boost clock of 1600 MHz. The NVIDIA GPU has a base clock of 1215 MHz and a boost clock of 2415 MHz. Memory clocks are 800 MHz (6.4 Gbps effective) for AMD and 1563 MHz (25 Gbps effective) for NVIDIA.

Memory: The AMD GPU has 16 GB of LPDDR5 memory on a 128-bit bus, providing 102.4 GB/s of bandwidth. The NVIDIA GPU has 32 GB of GDDR7 memory on a 256-bit bus, providing 800.3 GB/s of bandwidth.

Compute Units: The AMD GPU has 512 shading units, 32 TMUs, and 16 ROPs. The NVIDIA GPU has 10,496 shading units, 328 TMUs, and 112 ROPs. RT core counts are 8 for AMD and 82 for NVIDIA. The NVIDIA GPU also includes 328 tensor cores; the AMD GPU has no tensor cores listed.

Performance Rates: The AMD GPU delivers 1.638 TFLOPS FP32 and 3.277 TFLOPS FP16. The NVIDIA GPU delivers 50.70 TFLOPS FP32 and 50.70 TFLOPS FP16. Pixel rates are 25.60 GPixel/s versus 270.5 GPixel/s. Texture rates are 51.20 GTexel/s versus 792.1 GTexel/s.

Power and Physical: The AMD GPU has a TDP of 15 W. The NVIDIA GPU has a TDP of 165 W and lists a suggested PSU of 450 W. The NVIDIA GPU is single-slot, uses a 1x 16-pin power connector, and has a PCIe 5.0 x16 bus interface. The AMD GPU has no listed slot width, power connector, or bus interface. The NVIDIA GPU measures 267 mm in length, 111 mm in height, and 40 mm in width. The AMD GPU has no listed dimensions.

Display Outputs: The AMD GPU has 1x USB Type-C output. The NVIDIA GPU has no display outputs.

Release Date: The AMD Ryzen Z2 A GPU was released on 2024-12-31. The NVIDIA RTX PRO 4500 Blackwell Server was released on 2026-03-16.

Predecessor and Successor: The NVIDIA GPU lists Server Hopper as its predecessor and Server Rubin as its successor. The AMD GPU has no predecessor or successor listed.

Where Each One Wins

The absence of benchmark scores means the database does not record any workload-specific wins for either product. However, the specification data indicates clear domain separation based on the recorded hardware characteristics.

The AMD Ryzen Z2 A GPU is a low-power part with a 15 W TDP. Its 16 GB of LPDDR5 memory and 102.4 GB/s bandwidth, combined with a 128-bit bus, point toward a compact or mobile-oriented design. The single USB Type-C display output reinforces this positioning. The RDNA 2.0 architecture with 512 shading units and 8 RT cores suggests a focus on efficiency rather than peak throughput. The 1.638 TFLOPS FP32 rate and 25.60 GPixel/s pixel rate are modest figures, indicating suitability for lighter graphics loads.

The NVIDIA RTX PRO 4500 Blackwell Server is a server-class accelerator. Its 165 W TDP, 32 GB of GDDR7 memory, and 800.3 GB/s bandwidth target data-center and professional compute tasks. The 10,496 shading units, 82 RT cores, and 328 tensor cores enable heavy parallel workloads. The 50.70 TFLOPS FP32 and FP16 rates, along with the 1:1 FP16 ratio, indicate strong performance in both standard and reduced-precision compute. The lack of display outputs confirms its role as a compute device rather than a graphics output card. The PCIe 5.0 x16 interface and single-slot form factor are consistent with server deployment.

The data shows that each product wins in its respective domain. The AMD GPU holds the advantage in power efficiency, with a 15 W TDP versus 165 W for the NVIDIA part. The NVIDIA GPU holds the advantage in raw compute capability, memory capacity, and memory bandwidth. The AMD GPU is the only one of the two with a display output, making it the choice where video output is required. The NVIDIA GPU is the only one with tensor cores, making it the choice for tensor-based workloads.

The specification differences are so large that they do not suggest competition. The AMD part operates at a fraction of the power envelope and delivers a fraction of the compute throughput. The NVIDIA part offers over 30 times the FP32 throughput, 8 times the memory capacity, and nearly 8 times the memory bandwidth. The database records no overlapping benchmark results, so no direct comparison exists. The recorded data instead shows two products designed for different purposes, with the hardware details confirming their separate roles.