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

AMD’s Ryzen Z2 GPU and NVIDIA’s RTX PRO 4500 Blackwell Workstation occupy different corners of the graphics landscape, and the recorded specifications make that split explicit. The Ryzen Z2 GPU is a 28 W console-class part built for compact, power-limited systems, while the RTX PRO 4500 is a 200 W dual-slot workstation card with a 16-pin connector. The benchmark database shows no direct head-to-head scores for these two products, so the comparison rests on the measured architectural and specification data available for each.

Head-to-Head Benchmarks

The database does not contain any direct benchmark scores for either the AMD Ryzen Z2 GPU or the NVIDIA RTX PRO 4500 Blackwell Workstation. Both entries have an empty benchmarks array, zero recorded average benchmark scores, and no nearest rival comparisons with scores or delta percentages. Consequently, there are no exact FPS, render times, or compute totals to walk through in a traditional benchmark showdown. What the data does provide are the raw throughput and memory figures that define their respective performance envelopes.

The RTX PRO 4500 delivers 50.53 TFLOPS of FP32 compute, a figure that is 6.1 times larger than the Ryzen Z2 GPU’s 8.294 TFLOPS. The same ratio applies to FP16, since both products list FP16 performance at a 1:1 ratio with FP32. That is a decisive gap in raw shader throughput. The RTX PRO 4500’s 10,496 shading units dwarf the Ryzen Z2 GPU’s 768, and the texture rate tells a similar story: 789.5 GTexel/s versus 129.6 GTexel/s, a multiple of 6.1. Pixel throughput is less lopsided but still heavily favors the workstation card, with 269.6 GPixel/s against 86.40 GPixel/s, a 3.1 times advantage.

Memory bandwidth is another major divide. The RTX PRO 4500 uses 32 GB of GDDR7 on a 256-bit bus, reaching 896.0 GB/s. The Ryzen Z2 GPU has 16 GB of LPDDR5X on a 128-bit bus, yielding 119.9 GB/s. That is a 7.5 times bandwidth difference, which matters for texture-heavy workloads, large datasets, and any operation that saturates memory. The RTX PRO 4500’s memory clock runs at 1750 MHz with 28 Gbps effective transfer, while the Ryzen Z2 GPU’s memory runs at 937 MHz with 7.5 Gbps effective.

Clock speeds do not follow the same pattern. The Ryzen Z2 GPU has a lower base clock at 800 MHz but a higher boost clock at 2700 MHz. The RTX PRO 4500 starts at 1635 MHz and boosts to 2407 MHz. So the AMD part has a 293 MHz higher peak boost, but the NVIDIA card’s massive shading unit count more than compensates in aggregate throughput.

Ray tracing hardware also favors the RTX PRO 4500, which includes 82 RT cores and 328 tensor cores. The Ryzen Z2 GPU lists 12 RT cores and no tensor core count. The workstation card additionally has 328 TMUs and 112 ROPs, versus 48 TMUs and 32 ROPs on the Ryzen Z2 GPU. Every parallel resource on the NVIDIA product is an order of magnitude larger, which aligns with its workstation positioning.

Power efficiency is where the Ryzen Z2 GPU wins the comparison. It consumes 28 W, while the RTX PRO 4500 draws 200 W. The AMD part operates with no power connectors, while the NVIDIA card requires one 16-pin connector and a suggested 550 W power supply. Per watt, the Ryzen Z2 GPU delivers 0.296 TFLOPS per watt (8.294 divided by 28), while the RTX PRO 4500 delivers 0.253 TFLOPS per watt (50.53 divided by 200). That is a 17% efficiency advantage for the AMD part, which makes sense for a console GPU designed to fit in thermally constrained chassis.

The RTX PRO 4500 also leads on physical interface and display output. It uses PCIe 5.0 x16, whereas the Ryzen Z2 GPU has no recorded bus interface. The NVIDIA card offers four DisplayPort 2.1b outputs, while the AMD part has a single USB Type-C output. The RTX PRO 4500 is a dual-slot card measuring 267 mm by 111 mm by 40 mm. The Ryzen Z2 GPU has no recorded dimensions, but its 28 W TDP and lack of power connectors suggest a much smaller footprint.

In the absence of measured benchmark runs, the specification data indicates that the RTX PRO 4500 dominates in compute throughput, memory capacity, bandwidth, ray tracing resources, and display connectivity. The Ryzen Z2 GPU wins on power draw, boost clock, and per-watt compute density. There are no recorded wins for either product in direct benchmark competition, because no such benchmarks exist in the database.

The Verdict

The data points to two different buyers. The AMD Ryzen Z2 GPU is for a low-power console or handheld-class device. Its 28 W envelope, 16 GB of LPDDR5X, and 119.9 GB/s bandwidth are sufficient for 1080p-class gaming or light media workloads, and its 2700 MHz boost clock shows that AMD prioritized peak frequency over raw core count. The absence of a power connector and the single USB Type-C output reinforce a design meant for embedded or portable systems, not desktop workstations.

The NVIDIA RTX PRO 4500 Blackwell Workstation is for professional rendering, AI inference, and large-scale visualization. Its 32 GB GDDR7 memory and 896.0 GB/s bandwidth can hold larger models and textures than the AMD part’s 16 GB. The 10,496 shading units and 328 tensor cores provide the parallel compute needed for GPU-accelerated workloads, and the 82 RT cores handle ray-traced rendering. The dual-slot form factor, 267 mm length, and 16-pin connector require a desktop chassis with a 550 W power supply recommendation, which is a non-issue for a workstation but disqualifying for a portable device.

The RTX PRO 4500 is the clear performance leader across every compute metric in the database. The Ryzen Z2 GPU is the clear efficiency leader, delivering 0.296 TFLOPS per watt versus the NVIDIA card’s 0.253 TFLOPS per watt. A workload that fits within 16 GB of memory and does not need heavy ray tracing could run on the AMD part at a fraction of the power draw. A workload that requires 32 GB, high bandwidth, or tensor cores has only one viable option in this pair.

Neither product has a recorded launch MSRP, so the database does not offer price-based guidance. The decision rests on the spec sheet. For a fixed installation with power constraints, the Ryzen Z2 GPU is the only choice. For a workstation with a 550 W power supply and PCIe 5.0 slot, the RTX PRO 4500 provides between 3.1 and 7.5 times more throughput in every measured category.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The NVIDIA RTX PRO 4500 Blackwell Workstation has 50.53 TFLOPS FP32, while the AMD Ryzen Z2 GPU has 8.294 TFLOPS. That is a 6.1 times advantage for the NVIDIA card.

Q: How much memory does each GPU have?

A: The AMD Ryzen Z2 GPU has 16 GB of LPDDR5X on a 128-bit bus. The NVIDIA RTX PRO 4500 has 32 GB of GDDR7 on a 256-bit bus.

Q: What is the memory bandwidth difference?

A: The RTX PRO 4500 reaches 896.0 GB/s, while the Ryzen Z2 GPU reaches 119.9 GB/s. The NVIDIA card has 7.5 times more bandwidth.

Q: Which GPU consumes less power?

A: The AMD Ryzen Z2 GPU has a 28 W TDP and no power connectors. The NVIDIA RTX PRO 4500 has a 200 W TDP and requires a 16-pin connector with a suggested 550 W power supply.

Q: Do both GPUs support the same APIs?

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

Q: What display outputs does each GPU offer?

A: The Ryzen Z2 GPU has one USB Type-C output. The RTX PRO 4500 has four DisplayPort 2.1b outputs.

Q: Which GPU has more ray tracing cores?

A: The RTX PRO 4500 has 82 RT cores. The Ryzen Z2 GPU has 12 RT cores.

Specification Differences

The two products differ across nearly every recorded specification. The AMD Ryzen Z2 GPU uses a Hawk Point chip built on TSMC’s 4 nm process, while the NVIDIA RTX PRO 4500 uses the GB203 chip on TSMC’s 5 nm process. The Ryzen Z2 GPU has 25,390 million transistors on a 178 mm² die, giving a transistor density of 142.6 million per mm². The RTX PRO 4500 has 45,600 million transistors on a 378 mm² die, with a lower density of 120.6 million per mm².

Clock speeds differ in both directions. The Ryzen Z2 GPU has an 800 MHz base and 2700 MHz boost. The RTX PRO 4500 has a 1635 MHz base and 2407 MHz boost. The AMD part boosts 293 MHz higher, but the NVIDIA part has a 835 MHz higher base clock.

Memory specifications are entirely different. The Ryzen Z2 GPU uses 16 GB LPDDR5X at 937 MHz (7.5 Gbps effective) on a 128-bit bus. The RTX PRO 4500 uses 32 GB GDDR7 at 1750 MHz (28 Gbps effective) on a 256-bit bus.

Compute resources differ by an order of magnitude. The Ryzen Z2 GPU has 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores. The RTX PRO 4500 has 10,496 shading units, 328 TMUs, 112 ROPs, 82 RT cores, and 328 tensor cores. The AMD part has no recorded tensor cores.

Power and cooling requirements diverge sharply. The Ryzen Z2 GPU draws 28 W with no power connectors and no recorded slot width. The RTX PRO 4500 draws 200 W, is dual-slot, uses a 16-pin connector, and recommends a 550 W power supply.

Physical dimensions are only recorded for the NVIDIA card: 267 mm length, 111 mm height, and 40 mm width. The Ryzen Z2 GPU has no recorded dimensions.

Bus interface and display outputs differ. The RTX PRO 4500 uses PCIe 5.0 x16 and has four DisplayPort 2.1b outputs. The Ryzen Z2 GPU has no recorded bus interface and one USB Type-C output.

Release dates differ by about three months. The Ryzen Z2 GPU has a release date of 2024-12-31, while the RTX PRO 4500 has a release date of 2025-03-17. The NVIDIA card’s predecessor is listed as Workstation Ada, while the AMD part has no predecessor or successor recorded. Both products are marked Active in production status.

Architecture Differences

The architectural split is clear from the recorded data. The AMD Ryzen Z2 GPU uses RDNA 3.0 architecture, belongs to the Console GPU generation, and is built on TSMC’s 4 nm process. The NVIDIA RTX PRO 4500 uses Blackwell 2.0 architecture, belongs to the Blackwell PRO W (x000) generation, and is built on TSMC’s 5 nm process.

The transistor counts reflect different design philosophies. The Ryzen Z2 GPU packs 25,390 million transistors into 178 mm², achieving a higher density of 142.6 million per mm². The RTX PRO 4500 has 45,600 million transistors on 378 mm², with a lower density of 120.6 million per mm². The AMD part uses a denser process node, while the NVIDIA part uses a larger die to house more compute units.

The shading architecture differs fundamentally. The Ryzen Z2 GPU has 768 shading units organized around a small RDNA 3.0 design. The RTX PRO 4500 has 10,496 shading units in a Blackwell 2.0 configuration, with 328 tensor cores dedicated to AI workloads. The AMD part has no tensor core count recorded, indicating a lack of dedicated AI acceleration hardware.

Ray tracing hardware is present on both but scales differently. The Ryzen Z2 GPU has 12 RT cores, while the RTX PRO 4500 has 82 RT cores. The NVIDIA card also has 328 tensor cores, which the AMD part does not list at all. This suggests the RTX PRO 4500 is designed for workloads that mix rasterization, ray tracing, and AI inference, while the Ryzen Z2 GPU targets conventional rasterization in a power-limited console context.

Memory architecture also reflects different priorities. The Ryzen Z2 GPU uses LPDDR5X, a low-power memory type suited to compact devices, on a 128-bit bus. The RTX PRO 4500 uses GDDR7, a high-bandwidth memory type for workstation performance, on a 256-bit bus. The 7.5 times bandwidth gap (896.0 GB/s versus 119.9 GB/s) directly impacts texture streaming, large model loading, and multi-viewport rendering.

The FP16 compute ratio is identical at 1:1 for both products, meaning neither has a dedicated FP16 acceleration path that differs from FP32. The API support is also identical, with both listing DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The process node difference (4 nm for AMD, 5 nm for NVIDIA) is notable, but the measured transistor density shows the AMD part is more compact per square millimeter. The NVIDIA part compensates with a larger die and nearly double the transistor count. The release date gap of roughly 11 weeks (2024-12-31 versus 2025-03-17) places the AMD part slightly earlier in the timeline, though both are currently active in production.

The RTX PRO 4500’s predecessor is listed as Workstation Ada, indicating a generational succession within NVIDIA’s professional line. The Ryzen Z2 GPU has no predecessor or successor, which aligns with its niche console GPU role. The absence of a launch MSRP for both products means the database cannot comment on pricing, leaving the architectural and specification differences as the sole basis for comparison.