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

Head-to-Head Benchmarks

The recorded database contains no head-to-head benchmark results for the AMD Ryzen Z2 GPU versus the NVIDIA RTX PRO 4500 Blackwell Server. Neither part has a logged average benchmark score, and the wins counter sits at zero for both sides. The absence of measured performance data means no direct percentage deltas can be established from the database at this time.

Both products occupy the 50th percentile against all GPUs in the database, though this percentile is derived from the full catalog rather than from shared workload results. Without benchmark scores or nearest rival entries, any comparative statement about relative speed would be speculative. The data simply does not include a tested workload where these two accelerators ran the same suite.

What can be stated from the specifications alone is the scale of the gap in raw compute resources. The NVIDIA part lists an FP32 throughput of 50.70 TFLOPS, while the AMD part lists 8.294 TFLOPS. That is a 6.1x difference in favor of the RTX PRO 4500. Texture rate shows a similar ratio: 792.1 GTexel/s versus 129.6 GTexel/s, a 6.1x gap. Pixel throughput is 270.5 GPixel/s against 86.40 GPixel/s, a 3.1x difference. These are specification-derived comparisons, not measured benchmark outcomes, and they should be read as such.

FAQ

Q: Which GPU has the higher FP32 compute throughput?

A: The NVIDIA RTX PRO 4500 Blackwell Server lists 50.70 TFLOPS FP32, which is 6.1x the 8.294 TFLOPS of the AMD Ryzen Z2 GPU.

Q: What memory configurations do the two cards use?

A: The AMD Ryzen Z2 GPU uses 16 GB of LPDDR5X on a 128-bit bus with 119.9 GB/s bandwidth. The NVIDIA RTX PRO 4500 Blackwell Server uses 32 GB of GDDR7 on a 256-bit bus with 800.3 GB/s bandwidth.

Q: Are both GPUs on the same manufacturing process?

A: No. The AMD part is built on a 4 nm process at TSMC with 25,390 million transistors on a 178 mm² die. The NVIDIA part is built on a 5 nm process at TSMC with 45,600 million transistors on a 378 mm² die.

Q: Which card has more ray tracing cores?

A: The NVIDIA RTX PRO 4500 Blackwell Server has 82 RT cores. The AMD Ryzen Z2 GPU has 12 RT cores.

Q: Do both cards support the same graphics APIs?

A: Yes. Both list DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 support.

Q: What are the power demands of each card?

A: The AMD Ryzen Z2 GPU has a 28 W TDP and requires no power connectors. The NVIDIA RTX PRO 4500 Blackwell Server has a 165 W TDP, uses one 16-pin connector, and carries a suggested PSU rating of 450 W.

Architecture Differences

The architectural split is substantial. The AMD Ryzen Z2 GPU is built on the RDNA 3.0 architecture using the Hawk Point chip, classified as a Console GPU in the AMD generation lineup. The NVIDIA RTX PRO 4500 Blackwell Server uses the Blackwell 2.0 architecture with the GB203 chip, classified as a Server Blackwell (Bxx) generation product.

Process technology differs by one node step. AMD uses a 4 nm TSMC process with a transistor density of 142.6 million transistors per square millimeter. NVIDIA uses a 5 nm TSMC process with a lower density of 120.6 million transistors per square millimeter. Despite the density disadvantage, the NVIDIA die is much larger at 378 mm² versus 178 mm², which leads to a far higher total transistor count: 45,600 million versus 25,390 million.

Compute unit organization reflects the different design goals. The AMD part fields 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores. The NVIDIA part fields 10,496 shading units, 328 TMUs, 112 ROPs, 82 RT cores, and 328 tensor cores. The tensor core count is a key differentiator: the AMD part has no listed tensor core count at all, while the NVIDIA part includes 328 tensor cores, indicating a design aimed at AI and server workloads.

Memory architecture is equally divergent. The AMD part uses 16 GB of LPDDR5X on a 128-bit bus with 7.5 Gbps effective memory speed, yielding 119.9 GB/s. The NVIDIA part uses 32 GB of GDDR7 on a 256-bit bus with 25 Gbps effective speed, yielding 800.3 GB/s. The bandwidth delta is 6.7x in favor of NVIDIA, which aligns with the compute throughput gap.

Clock behavior also differs. The AMD part has a base clock of 800 MHz and a boost clock of 2700 MHz. The NVIDIA part has a base clock of 1215 MHz and a boost clock of 2415 MHz. The AMD part boosts higher, but the NVIDIA part starts from a much higher base and carries a far larger execution resource pool.

Form factor and connectivity highlight the intended deployment. The AMD part lists only a single USB Type-C display output and no power connectors, consistent with a low-power embedded or handheld console GPU. The NVIDIA part has no display outputs, uses a single-slot design with a 16-pin power connector, a PCIe 5.0 x16 interface, and measures 267 mm by 111 mm by 40 mm. The NVIDIA part is a server accelerator with no video output path, while the AMD part is a display-capable mobile-oriented GPU.

Specification Differences

The two parts differ across nearly every major specification field. Shading units: 768 on AMD versus 10,496 on NVIDIA. TMUs: 48 versus 328. ROPs: 32 versus 112. RT cores: 12 versus 82. Tensor cores: none listed versus 328. FP32 throughput: 8.294 TFLOPS versus 50.70 TFLOPS. FP16 throughput mirrors FP32 at 1:1 for both: 8.294 TFLOPS versus 50.70 TFLOPS.

Memory size differs by 2x: 16 GB on AMD versus 32 GB on NVIDIA. Memory type differs: LPDDR5X versus GDDR7. Bus width differs by 2x: 128-bit versus 256-bit. Memory bandwidth differs by roughly 6.7x: 119.9 GB/s versus 800.3 GB/s. Pixel rate differs: 86.40 GPixel/s versus 270.5 GPixel/s. Texture rate differs: 129.6 GTexel/s versus 792.1 GTexel/s.

Power and physical specs diverge sharply. TDP is 28 W on AMD versus 165 W on NVIDIA. Power connectors: none versus one 16-pin. Suggested PSU: not listed versus 450 W. Slot width: not listed versus single-slot. Dimensions: not listed versus 267 mm length, 111 mm height, 40 mm width. Bus interface: not listed versus PCIe 5.0 x16. Display outputs: one USB Type-C versus no outputs.

Release timing differs as well. The AMD part has a release date of 2024-12-31, while the NVIDIA part is dated 2026-03-16. The NVIDIA part has a predecessor listed as Server Hopper and a successor as Server Rubin; the AMD part has neither. Both are marked Active in production status, and neither has a launch MSRP in the database.

The Verdict

The data points to two different product categories rather than direct competitors. The AMD Ryzen Z2 GPU is a 28 W, 16 GB, display-output-equipped part with 8.294 TFLOPS of FP32, built for console-class or embedded use. The NVIDIA RTX PRO 4500 Blackwell Server is a 165 W, 32 GB, single-slot server accelerator with no display outputs, 50.70 TFLOPS of FP32, and tensor cores. Any choice between them depends entirely on workload class, not on head-to-head performance, since the database contains no shared benchmark results.

For compute density per watt from the listed specifications, the AMD part delivers 8.294 TFLOPS over 28 W, which is roughly 0.296 TFLOPS per watt. The NVIDIA part delivers 50.70 TFLOPS over 165 W, roughly 0.307 TFLOPS per watt. These are extremely close on paper, but the absolute capability difference is what separates them. The NVIDIA part offers 6.1x the FP32 throughput, 6.7x the memory bandwidth, and 2x the memory capacity. The AMD part offers drastically lower power draw and a display output, which no server accelerator can match.

The database records both parts at the 50th percentile against all GPUs, but that percentile is not tied to any logged benchmark score for either unit. Without nearest rival entries or head-to-head results, the percentile field cannot be used to differentiate them.

Where Each One Wins

The AMD Ryzen Z2 GPU wins in scenarios defined by low power envelopes and display connectivity. Its 28 W TDP requires no power connectors and no PSU recommendation, making it suitable for compact or battery-constrained designs. The single USB Type-C output provides a path for direct display connection, which the NVIDIA part lacks entirely. Its 16 GB of LPDDR5X memory is substantial for a part in this power class, and its 2700 MHz boost clock is the higher peak clock of the two.

The NVIDIA RTX PRO 4500 Blackwell Server wins in every raw compute and memory metric recorded. Its 32 GB GDDR7 pool at 800.3 GB/s is 6.7x the bandwidth of the AMD part. Its 10,496 shading units and 328 tensor cores give it a decisive edge in parallel workloads, particularly those that can use tensor core acceleration. The single-slot form factor, 267 mm length, and PCIe 5.0 x16 interface fit standard server chassis layouts. The 82 RT cores and 50.70 TFLOPS FP32 make it the stronger part for any rendering or compute task that scales with execution resources.

The AMD part also wins on process efficiency in transistor terms. Its 142.6 million transistors per mm² on 4 nm is higher than the NVIDIA part's 120.6 million per mm² on 5 nm. That density advantage does not translate into absolute performance, but it reflects a more compact integration for the power class.

For users requiring a display output and minimal power draw, the AMD Ryzen Z2 GPU is the only option in this comparison. For users requiring maximum memory bandwidth, tensor cores, and absolute throughput, the NVIDIA RTX PRO 4500 Blackwell Server is the clear selection. The database does not provide a measured benchmark to overturn these specification-based conclusions.