AMD Ryzen Z2 A GPU vs NVIDIA RTX 4500 Ada Generation Comparison

FAQ

Q: What are the two products compared here?

A: The AMD Ryzen Z2 A GPU, an RDNA 2.0 console-class chip built on TSMC's 7 nm process, and the NVIDIA RTX 4500 Ada Generation, a workstation GPU built on Ada Lovelace architecture using TSMC's 5 nm process.

Q: Which GPU has the higher benchmark percentile ranking?

A: The NVIDIA RTX 4500 Ada Generation sits at the 97th percentile among all GPUs in the database, while the AMD Ryzen Z2 A GPU is at the 50th percentile. The RTX 4500 also records an average benchmark score of 166,094, whereas the Ryzen Z2 A has no recorded benchmark scores.

Q: How do the memory configurations differ?

A: The AMD Ryzen Z2 A GPU ships with 16 GB of LPDDR5 memory on a 128-bit bus, delivering 102.4 GB/s of bandwidth. The NVIDIA RTX 4500 Ada Generation ships with 24 GB of GDDR6 memory on a 192-bit bus, delivering 432.0 GB/s of bandwidth.

Q: What are the power consumption figures?

A: The AMD Ryzen Z2 A GPU has a TDP of 15 W. The NVIDIA RTX 4500 Ada Generation has a TDP of 210 W and a suggested PSU rating of 550 W.

Q: Which GPU has more shading units and ray tracing cores?

A: The NVIDIA RTX 4500 Ada Generation has 7,680 shading units and 60 ray tracing cores. The AMD Ryzen Z2 A GPU has 512 shading units and 8 ray tracing cores.

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 4500 Ada Generation provides four DisplayPort 1.4a outputs.

The Verdict

The data clearly separates these two GPUs into distinct performance classes. The NVIDIA RTX 4500 Ada Generation is the dominant performer, holding the 97th percentile ranking with an average benchmark score of 166,094. The AMD Ryzen Z2 A GPU, with a 50th percentile ranking and no recorded benchmark scores, is a low-power embedded or handheld-class part. The RTX 4500 is the only viable choice for workstation rendering, compute, or any high-throughput workload.

The RTX 4500 leads in every measurable specification category that matters for performance: it has 7,680 shading units versus 512, 240 texture mapping units versus 32, 80 render output units versus 16, and 60 ray tracing cores versus 8. Its FP32 throughput is 39.63 TFLOPS, which is 24 times the 1.638 TFLOPS of the Ryzen Z2 A. Memory bandwidth is 432.0 GB/s against 102.4 GB/s, and the 24 GB VRAM capacity exceeds the 16 GB on the AMD part.

The AMD Ryzen Z2 A GPU is not without purpose. Its 15 W TDP makes it suitable for power-constrained designs, and its 7 nm process node, 2,400 million transistors, and 163 mm² die size reflect a compact, efficient die. However, the recorded data shows no benchmark scores for this GPU, and its 50th percentile ranking indicates it sits at the midpoint of the database distribution. For any user needing workstation-class performance, the RTX 4500 is the clear pick from the data. For ultra-low-power embedded applications, the Ryzen Z2 A may fit, but the RTX 4500 delivers all measurable performance advantages.

Head-to-Head Benchmarks

The database lists no direct head-to-head benchmark results between these two GPUs, and the AMD Ryzen Z2 A GPU has no individual benchmark entries. The NVIDIA RTX 4500 Ada Generation, however, has two recorded benchmark scores: 160,786 in Geekbench OpenCL and 171,401 in Geekbench Vulkan. These scores produce an average of 166,094, which places the card at the 97th percentile overall.

Comparing the RTX 4500 to its nearest rivals in the database provides context. It scores 0.5% above the NVIDIA RTX A5500, which averages 165,217. It is 0.7% above the AMD Radeon PRO W7800, which averages 164,894. It is 1.5% below the AMD Radeon Pro W6900X, which averages 168,574. Finally, it is 2.2% above the NVIDIA A100 PCIe 40 GB, which averages 162,504. These margins are narrow, indicating that the RTX 4500 sits in a tightly competitive performance band among high-end workstation GPUs.

The Ryzen Z2 A GPU has no benchmark scores to compare directly. Its 50th percentile ranking, however, suggests it falls far below the RTX 4500's 97th percentile. The specification gap reinforces this: the RTX 4500 delivers 39.63 TFLOPS FP32 versus 1.638 TFLOPS, a 24-fold difference. Texture rate is 619.2 GTexel/s versus 51.20 GTexel/s, and pixel rate is 206.4 GPixel/s versus 25.60 GPixel/s. These are not close numbers.

Specification Differences

The NVIDIA RTX 4500 Ada Generation uses the AD103 chip with 45,900 million transistors on a 379 mm² die, built on TSMC's 5 nm process. The AMD Ryzen Z2 A GPU uses the Van Gogh chip with 2,400 million transistors on a 163 mm² die, built on TSMC's 7 nm process. Transistor density is 121.1M per mm² for the RTX 4500 and 14.7M per mm² for the Ryzen Z2 A.

Clock speeds differ substantially. The RTX 4500 has a base clock of 2070 MHz and a boost clock of 2580 MHz. The Ryzen Z2 A has a base clock of 1000 MHz and a boost clock of 1600 MHz. Memory clock is 2250 MHz (18 Gbps effective) on the RTX 4500 versus 800 MHz (6.4 Gbps effective) on the Ryzen Z2 A.

Memory specifications diverge completely. The RTX 4500 uses 24 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth. The Ryzen Z2 A uses 16 GB of LPDDR5 on a 128-bit bus with 102.4 GB/s bandwidth.

Compute resources: the RTX 4500 has 7,680 shading units, 240 TMUs, 80 ROPs, 60 RT cores, and 240 tensor cores. The Ryzen Z2 A has 512 shading units, 32 TMUs, 16 ROPs, and 8 RT cores, with no tensor cores listed.

Power and physical specifications also differ. The RTX 4500 has a 210 W TDP, is dual-slot, uses no external power connectors, and lists a 550 W suggested PSU. It is 245 mm (9.6 inches) long and 112 mm (4.4 inches) tall, with a PCIe 4.0 x16 bus interface. The Ryzen Z2 A has a 15 W TDP, lists no slot width, power connectors, suggested PSU, or bus interface, and provides one USB Type-C display output versus four DisplayPort 1.4a outputs on the RTX 4500.

Architecture Differences

The AMD Ryzen Z2 A GPU is built on RDNA 2.0 architecture, classified in the database as a Console GPU. It uses the Van Gogh chip, which is a 7 nm design from TSMC. The transistor count of 2,400 million on a 163 mm² die gives a density of 14.7M per mm². The architecture supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Its FP16 throughput is 3.277 TFLOPS at a 2:1 ratio, indicating half-rate FP16 execution relative to FP32.

The NVIDIA RTX 4500 Ada Generation is built on Ada Lovelace architecture, classified as a Workstation Ada GPU. It uses the AD103 chip, a 5 nm design from TSMC. The transistor count of 45,900 million on a 379 mm² die gives a density of 121.1M per mm², which is 8.2 times denser than the AMD part. The architecture supports the same API set: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Its FP16 throughput is 39.63 TFLOPS at a 1:1 ratio, meaning full-rate FP16 execution.

The RTX 4500 includes 240 tensor cores, which the Ryzen Z2 A lacks entirely. This is a fundamental architectural difference: the Ada Lovelace GPU has dedicated hardware for AI and deep learning workloads, while the RDNA 2.0 console GPU does not. The RTX 4500 also has 60 RT cores versus 8 on the Ryzen Z2 A, a 7.5-fold difference in ray tracing hardware.

The memory architectures differ as well. The RTX 4500 uses GDDR6 with a 192-bit bus, while the Ryzen Z2 A uses LPDDR5 with a 128-bit bus. The GDDR6 configuration provides 432.0 GB/s bandwidth, which is 4.2 times the 102.4 GB/s of the LPDDR5 setup. The RTX 4500's predecessor is listed as Workstation Ampere, and its successor is Blackwell PRO W. The Ryzen Z2 A lists no predecessor or successor.

Where Each One Wins

The NVIDIA RTX 4500 Ada Generation wins in every performance-oriented category recorded in the database. Its 39.63 TFLOPS FP32 throughput is 24 times the Ryzen Z2 A's 1.638 TFLOPS. Its texture rate of 619.2 GTexel/s is 12 times the 51.20 GTexel/s of the AMD part. Pixel rate is 206.4 GPixel/s versus 25.60 GPixel/s, an 8-fold advantage. Memory bandwidth of 432.0 GB/s is 4.2 times the 102.4 GB/s of the Ryzen Z2 A. The RTX 4500 also has 24 GB of VRAM versus 16 GB, a 50% capacity advantage.

The RTX 4500 wins on ray tracing and AI features. It has 60 RT cores versus 8, and 240 tensor cores versus none on the AMD part. The 1:1 FP16 ratio on the RTX 4500 means it can process FP16 workloads at full speed, while the Ryzen Z2 A's 2:1 ratio halves its FP16 throughput. The RTX 4500's 97th percentile ranking and average benchmark score of 166,094 confirm its workstation-class positioning.

The AMD Ryzen Z2 A GPU wins only in power efficiency and form factor flexibility. Its 15 W TDP is 14 times lower than the RTX 4500's 210 W TDP. The 7 nm process node and smaller die size (163 mm² versus 379 mm²) reflect a design optimized for low power consumption. The single USB Type-C output suggests an integrated or minimal display configuration, which could suit compact or embedded systems. However, the database shows no benchmark scores for the Ryzen Z2 A, so its actual performance in those scenarios is not quantified.

For workstation rendering, AI inference, or high-bandwidth compute tasks, the RTX 4500 is the only choice supported by the recorded data. For ultra-low-power, small-footprint designs where 15 W is the maximum allowable draw, the Ryzen Z2 A has a clear specification advantage in power consumption. The data does not support any other use case for the AMD part.