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

FAQ

Q: What are the core specifications of the AMD Ryzen Z2 A GPU and the NVIDIA RTX PRO 4500 Blackwell?

A: The AMD Ryzen Z2 A GPU uses a Van Gogh chip with RDNA 2.0 architecture, 512 shading units, 32 TMUs, 16 ROPs, and 8 RT cores. It has 16 GB of LPDDR5 memory on a 128-bit bus. The NVIDIA RTX PRO 4500 Blackwell uses a GB203 chip with Blackwell 2.0 architecture, 10,496 shading units, 328 TMUs, 112 ROPs, and 82 RT cores. It has 32 GB of GDDR7 memory on a 256-bit bus.

Q: How do the two GPUs compare in terms of memory bandwidth?

A: The NVIDIA RTX PRO 4500 Blackwell delivers 896.0 GB/s of bandwidth, which is substantially higher than the 102.4 GB/s offered by the AMD Ryzen Z2 A GPU. The NVIDIA part also uses GDDR7 memory compared to the LPDDR5 found on the AMD product.

Q: What is the thermal design power (TDP) of each GPU?

A: The AMD Ryzen Z2 A GPU has a TDP of 15 W, making it an ultra-low-power part. The NVIDIA RTX PRO 4500 Blackwell has a TDP of 200 W, which is typical for a high-performance workstation GPU.

Q: Which GPU has a higher transistor count and what process node is used?

A: The NVIDIA RTX PRO 4500 Blackwell contains 45,600 million transistors on a 5 nm process, while the AMD Ryzen Z2 A GPU contains 2,400 million transistors on a 7 nm process. The NVIDIA die is 378 mm², while the AMD die is 163 mm².

Q: What display outputs does each GPU provide?

A: The AMD Ryzen Z2 A GPU provides a single USB Type-C output. The NVIDIA RTX PRO 4500 Blackwell provides four DisplayPort 2.1b outputs.

Q: Does the AMD Ryzen Z2 A GPU have any benchmark scores recorded?

A: No, the database shows no benchmark scores for the AMD Ryzen Z2 A GPU. It has a percentile rank of 50 among all GPUs, but its average benchmark score is recorded as 0 with no entries. The NVIDIA RTX PRO 4500 Blackwell has a percentile rank of 76 and an average benchmark score of 31,532.

Architecture Differences

The two GPUs represent fundamentally different architectural approaches and market positions. The AMD Ryzen Z2 A GPU is built on the Van Gogh chip with RDNA 2.0 architecture, a design optimized for minimal power consumption. It uses a 7 nm process from TSMC and contains 2,400 million transistors on a 163 mm² die. The transistor density is 14.7 million per mm², reflecting a relatively conservative layout.

The NVIDIA RTX PRO 4500 Blackwell uses the GB203 chip with Blackwell 2.0 architecture, a high-performance workstation design. It is fabricated on a 5 nm process, also by TSMC, and contains 45,600 million transistors on a 378 mm² die. The transistor density is 120.6 million per mm², nearly eight times that of the AMD part. This density advantage allows NVIDIA to pack far more compute resources into a similar physical footprint.

The shading unit count differs dramatically. 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 part also includes 328 tensor cores, while the AMD GPU has no tensor core field recorded in the database.

Memory architecture is another major split. The AMD Ryzen Z2 A GPU uses 16 GB of LPDDR5 on a 128-bit bus, yielding 102.4 GB/s. The NVIDIA RTX PRO 4500 Blackwell uses 32 GB of GDDR7 on a 256-bit bus, yielding 896.0 GB/s. The NVIDIA memory clock is 1750 MHz with 28 Gbps effective, while the AMD memory runs at 800 MHz with 6.4 Gbps effective.

Both GPUs share the same API support: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. However, the NVIDIA part supports PCIe 5.0 x16, while the AMD part has no bus interface listed. The NVIDIA card is dual-slot with a 267 mm length, 111 mm height, and 40 mm width, and requires a single 16-pin power connector with a suggested 550 W PSU. The AMD GPU has no slot width, power connector, PSU suggestion, or dimensions recorded.

Where Each One Wins

The AMD Ryzen Z2 A GPU wins in scenarios where power efficiency is the dominant constraint. Its 15 W TDP is a fraction of the 200 W TDP of the NVIDIA RTX PRO 4500 Blackwell. For embedded systems, handheld consoles, or passively cooled designs, the AMD part's low power draw makes it the only viable option among these two. The single USB Type-C output also suits compact, integrated form factors where display connectivity is minimal.

The NVIDIA RTX PRO 4500 Blackwell wins in every performance-oriented scenario. It is designed for professional workstation workloads where compute throughput, memory capacity, and bandwidth matter most. The 32 GB of GDDR7 memory with 896.0 GB/s bandwidth supports large datasets, and the 10,496 shading units provide massive parallel compute capability. The four DisplayPort 2.1b outputs support multi-monitor workstation setups. The dual-slot design and 16-pin power connector indicate a traditional desktop workstation card.

The benchmark data confirms this split. The NVIDIA GPU has recorded scores across 3DMark Steel Nomad DX12 (7,025), Geekbench Vulkan (221,768), Passmark DirectX 9 through 12, Passmark G2D (1,336), G3D (33,360), and GPU Compute (19,255). The AMD GPU has no recorded benchmarks. The NVIDIA part sits at the 76th percentile of all GPUs, while the AMD part sits at the 50th percentile with a zero average score.

Specification Differences

The two GPUs differ in nearly every recorded specification field. The process node is 7 nm for AMD versus 5 nm for NVIDIA. Transistor count is 2,400 million versus 45,600 million. Die size is 163 mm² versus 378 mm². Transistor density is 14.7 million per mm² versus 120.6 million per mm².

Clock speeds show the NVIDIA part running significantly higher. The AMD base clock is 1000 MHz with a 1600 MHz boost. The NVIDIA base clock is 1635 MHz with a 2407 MHz boost. Memory clocks are 800 MHz (6.4 Gbps effective) for AMD versus 1750 MHz (28 Gbps effective) for NVIDIA.

Compute resource counts differ by an order of magnitude. Shading units are 512 versus 10,496. TMUs are 32 versus 328. ROPs are 16 versus 112. RT cores are 8 versus 82. Tensor cores are absent on AMD and 328 on NVIDIA.

Memory capacity is 16 GB versus 32 GB. Memory type is LPDDR5 versus GDDR7. Bus width is 128 bit versus 256 bit. Bandwidth is 102.4 GB/s versus 896.0 GB/s.

Pixel rate is 25.60 GPixel/s for AMD versus 269.6 GPixel/s for NVIDIA. Texture rate is 51.20 GTexel/s versus 789.5 GTexel/s. FP32 compute is 1.638 TFLOPS versus 50.53 TFLOPS. FP16 is 3.277 TFLOPS (2:1) versus 50.53 TFLOPS (1:1).

TDP is 15 W versus 200 W. The NVIDIA part is dual-slot, has a 16-pin power connector, a suggested 550 W PSU, and a PCIe 5.0 x16 interface. The AMD part has none of these recorded. Display outputs are 1x USB Type-C versus 4x DisplayPort 2.1b. Release dates differ, with the AMD part listed for 2024-12-31 and the NVIDIA part for 2025-03-17.

Head-to-Head Benchmarks

The database records no head-to-head benchmark comparisons between these two GPUs. The headToHeadBenchmarks field is empty, and the win counts for both products are zero. However, the NVIDIA RTX PRO 4500 Blackwell has standalone benchmark scores that demonstrate its performance tier.

The NVIDIA GPU scores 7,025 in 3DMark Steel Nomad DX12 and 221,768 in Geekbench Vulkan. In Passmark tests, it scores 204 in DirectX 10, 320 in DirectX 11, 119 in DirectX 12, 397 in DirectX 9, 1,336 in G2D, 33,360 in G3D, and 19,255 in GPU Compute. Its average benchmark score is 31,532.

The nearest rivals to the NVIDIA part in the database are the NVIDIA TITAN RTX with an average score of 31,676 and a delta of -0.5 percent, the NVIDIA GRID M60-1Q with 31,220 and a delta of 1 percent, the NVIDIA Quadro M5000 with 31,206 and a delta of 1 percent, and the Intel Arc Pro A30M with 31,894 and a delta of -1.1 percent. These deltas show the RTX PRO 4500 Blackwell sits within roughly one percent of each of these competitors, indicating a tight performance cluster.

The AMD Ryzen Z2 A GPU has no benchmark scores, no nearest rivals, and an average benchmark score of zero. Its percentile rank of 50 is the only comparative data point, but without recorded test results, it cannot be placed relative to the NVIDIA part in any specific workload.

The Verdict

The data supports a clear separation of use cases. The AMD Ryzen Z2 A GPU is a 15 W part with 512 shading units, 16 GB of LPDDR5 memory, and 102.4 GB/s of bandwidth. It is suited for power-constrained environments where the 200 W TDP of the NVIDIA card is unacceptable. The single USB Type-C output and compact unspecified dimensions align with integrated or handheld designs.

The NVIDIA RTX PRO 4500 Blackwell is a professional workstation GPU. Its 10,496 shading units, 82 RT cores, 328 tensor cores, and 50.53 TFLOPS of FP32 compute place it in a different performance class entirely. The 32 GB of GDDR7 memory with 896.0 GB/s bandwidth supports memory-intensive professional workloads. The four DisplayPort 2.1b outputs and dual-slot PCIe 5.0 x16 form factor confirm its desktop workstation positioning.

The recorded benchmark scores for the NVIDIA part place it in the 76th percentile of all GPUs, with a 31,532 average score. Its nearest rivals all fall within 1.1 percent, showing it competes directly with established workstation cards. The AMD part has no benchmark data to compare, and its 50th percentile rank with a zero average score indicates it is not a performance-focused product.

Users requiring maximum compute throughput, large memory capacity, and professional display connectivity should select the NVIDIA RTX PRO 4500 Blackwell. Users constrained by power budgets or needing a minimal-footprint GPU with modest compute should choose the AMD Ryzen Z2 A GPU. The two products do not compete in the same performance envelope, and the specification gap is consistent across every measurable field.