AMD Radeon PRO W7900 vs AMD Ryzen Z2 GPU Comparison

Where Each One Wins

The data separates these two AMD GPUs into entirely different performance classes. The Radeon PRO W7900 holds every measurable benchmark advantage, while the Ryzen Z2 GPU has no recorded benchmark entries in the database. The W7900's average benchmark score is 110,725, placing it in the 94th percentile among all GPUs. The Ryzen Z2 GPU sits at the 50th percentile with an average benchmark score of zero, reflecting the absence of recorded test results.

The Radeon PRO W7900 delivers 61.32 TFLOPS of FP32 compute, a figure that dwarfs the Ryzen Z2 GPU's 8.294 TFLOPS. This represents a 7.4x gap in raw floating-point throughput. The W7900 also leads in pixel throughput at 479.0 GPixel/s versus 86.40 GPixel/s, and in texture throughput at 958.1 GTexel/s versus 129.6 GTexel/s. These metrics point to the W7900 as the choice for compute-heavy workloads, while the Ryzen Z2 GPU targets a fundamentally different use case.

The Ryzen Z2 GPU's profile suggests a low-power embedded or console-oriented part. Its 28 W TDP, integrated-style memory, and single USB Type-C display output align with compact, power-constrained designs. The W7900, by contrast, is a triple-slot workstation card with dual 8-pin power connectors and a 295 W TDP. The recorded data shows no benchmark wins for either part in head-to-head testing, as the head-to-head benchmark table is empty. All performance conclusions must therefore derive from the specification and benchmark fields present.

Architecture Differences

Both GPUs share the RDNA 3.0 architecture, but they diverge sharply in implementation scale. The W7900 uses the Navi 31 chip under the codename Plum Bonito, fabricated on TSMC's 5 nm process. The Ryzen Z2 GPU uses the Hawk Point chip on TSMC's 4 nm process. The node difference gives the Ryzen Z2 GPU a higher transistor density: 142.6 million transistors per square millimeter versus 109.1 million for the W7900. However, the W7900 compensates with a much larger die. Its 529 mm² die hosts 57,700 million transistors, while the Ryzen Z2 GPU's 178 mm² die contains 25,390 million.

The W7900's compute resources are an order of magnitude larger. It packs 6,144 shading units, 384 texture mapping units, 192 raster operation pipelines, and 96 ray tracing cores. The Ryzen Z2 GPU counters with 768 shading units, 48 TMUs, 32 ROPs, and 12 ray tracing cores. The shading unit count alone favors the W7900 by an 8:1 ratio. Both parts support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API compatibility does not differentiate them.

Memory architecture presents another clear divide. The W7900 uses 48 GB of GDDR6 on a 384-bit bus, yielding 864.0 GB/s of bandwidth. The Ryzen Z2 GPU uses 16 GB of LPDDR5X on a 128-bit bus, delivering 119.9 GB/s. The W7900's memory clock runs at 2250 MHz with 18 Gbps effective data rate; the Ryzen Z2 GPU's memory clock is 937 MHz with 7.5 Gbps effective. The bandwidth gap exceeds 7x, reinforcing the W7900's suitability for large datasets and high-resolution rendering.

Head-to-Head Benchmarks

The head-to-head benchmark table contains no entries, so direct comparative scores are unavailable. The database does provide standalone benchmark results for the W7900, which help contextualize its position. In Geekbench OpenCL, the W7900 scores 84,379; in Geekbench Vulkan, it scores 137,070. These two results combine with other data to produce its average benchmark score of 110,725.

The W7900's nearest rivals in the database offer a reference frame. The AMD Radeon Pro Vega II averages 109,617, which is 1% below the W7900. The NVIDIA RTX A5500 Mobile averages 113,944, putting it 2.8% above the W7900. The AMD Radeon Pro W6600X averages 107,342, which is 3.2% below. The NVIDIA Tesla V100 SXM2 16 GB averages 114,395, sitting 3.2% above. The W7900 therefore clusters tightly with these four parts, all within roughly 3 percentage points of each other.

The Ryzen Z2 GPU has no nearest rivals listed and no benchmark scores. Its 50th percentile ranking is a neutral position, neither confirming nor denying any performance relationship. Without recorded measurements, any numeric comparison between the two GPUs must rely on the specification deltas already cited. The FP32, pixel rate, texture rate, and memory bandwidth figures all point the same direction: the W7900 dominates on paper, and the available benchmark data does nothing to contradict that.

Specification Differences

The two GPUs differ across nearly every specification field. Process node favors the Ryzen Z2 GPU at 4 nm versus 5 nm for the W7900. Transistor count heavily favors the W7900 at 57,700 million versus 25,390 million. Die size favors the W7900 at 529 mm² versus 178 mm². Transistor density favors the Ryzen Z2 GPU at 142.6 million per mm² versus 109.1 million per mm².

Clock speeds split the difference. The W7900 has a higher base clock at 1760 MHz versus 800 MHz, but the Ryzen Z2 GPU has a higher boost clock at 2700 MHz versus 2495 MHz. Memory clocks favor the W7900 at 2250 MHz versus 937 MHz. Memory capacity favors the W7900 at 48 GB versus 16 GB. Memory type differs: GDDR6 for the W7900, LPDDR5X for the Ryzen Z2 GPU. Bus width favors the W7900 at 384 bit versus 128 bit. Bandwidth favors the W7900 at 864.0 GB/s versus 119.9 GB/s.

Compute unit counts all favor the W7900: 6,144 shading units versus 768, 384 TMUs versus 48, 192 ROPs versus 32, and 96 ray tracing cores versus 12. Pixel rate favors the W7900 at 479.0 GPixel/s versus 86.40 GPixel/s. Texture rate favors the W7900 at 958.1 GTexel/s versus 129.6 GTexel/s. FP32 and FP16 performance both favor the W7900 at 61.32 TFLOPS versus 8.294 TFLOPS, with both parts running at a 1:1 FP16 ratio.

Power and physical specifications diverge completely. The W7900 draws 295 W, uses a triple-slot cooler, requires two 8-pin power connectors, and suggests a 600 W power supply. The Ryzen Z2 GPU draws 28 W, lists no slot width, has no power connectors, and has no suggested PSU. The W7900 connects via PCIe 4.0 x16; the Ryzen Z2 GPU lists no bus interface. Display outputs differ: the W7900 offers three DisplayPort 2.1 ports plus one mini-DisplayPort 2.1, while the Ryzen Z2 GPU offers a single USB Type-C port. The W7900 measures 280 mm in length, 110 mm in height, and 51 mm in width; the Ryzen Z2 GPU has no recorded dimensions.

The W7900 launched on 2023-05-25 with a launch MSRP of 3,999 USD. The Ryzen Z2 GPU lists a release date of 2024-12-31 and has no launch MSRP. The W7900's predecessor is the Radeon Pro Vega; the Ryzen Z2 GPU has no predecessor. Both parts are currently marked as Active in production status.

FAQ

Q: Which GPU has higher raw compute performance?

A: The Radeon PRO W7900 delivers 61.32 TFLOPS of FP32 performance, compared to 8.294 TFLOPS for the Ryzen Z2 GPU.

Q: What memory configurations do the two GPUs use?

A: The W7900 uses 48 GB of GDDR6 on a 384-bit bus with 864.0 GB/s bandwidth. The Ryzen Z2 GPU uses 16 GB of LPDDR5X on a 128-bit bus with 119.9 GB/s bandwidth.

Q: How do their power requirements compare?

A: The W7900 has a 295 W TDP, requires two 8-pin power connectors, and suggests a 600 W power supply. The Ryzen Z2 GPU has a 28 W TDP and no power connectors.

Q: Are both GPUs based on the same architecture?

A: Yes, both use RDNA 3.0. The W7900 uses the Navi 31 chip on a 5 nm process, while the Ryzen Z2 GPU uses the Hawk Point chip on a 4 nm process.

Q: What benchmark results exist for each GPU?

A: The W7900 scores 84,379 in Geekbench OpenCL and 137,070 in Geekbench Vulkan, with an average benchmark score of 110,725. The Ryzen Z2 GPU has no recorded benchmark results and an average benchmark score of zero.

Q: How does the W7900 compare to its nearest rivals?

A: The W7900 sits 1% above the Radeon Pro Vega II, 3.2% above the Radeon Pro W6600X, 2.8% below the RTX A5500 Mobile, and 3.2% below the Tesla V100 SXM2 16 GB.

The Verdict

The data points to a straightforward conclusion: the Radeon PRO W7900 is the high-performance workstation part, and the Ryzen Z2 GPU is a low-power integrated-class solution with no recorded competitive benchmarks. For compute-heavy workloads, large memory footprints, and multi-display professional setups, the W7900 is the only choice supported by the measurements. Its 48 GB memory capacity, 864.0 GB/s bandwidth, and 61.32 TFLOPS FP32 throughput place it firmly in workstation territory.

The Ryzen Z2 GPU, with its 28 W TDP, 16 GB LPDDR5X, and single USB Type-C output, fits a different design goal. Its 4 nm process node and higher transistor density indicate a modern, power-efficient part aimed at embedded or handheld systems. The absence of benchmark data means no performance claims can be verified from the database, so it cannot be positioned against the W7900 on measured grounds.

The nearest-rival data for the W7900 shows it competing within a tight band around four other GPUs, all within 3.2% of its average score. This confirms the W7900 is a solidly mid-pack performer among high-end workstation accelerators, neither leading nor trailing its immediate peers by a wide margin. The Ryzen Z2 GPU has no such reference points.

Buyers seeking maximum compute throughput, large memory capacity, and professional display outputs should select the W7900. Buyers prioritizing minimal power draw, compact integration, and modern process technology should consider the Ryzen Z2 GPU, but only if the workload fits its modest 8.294 TFLOPS ceiling and 119.9 GB/s bandwidth. The recorded data cannot support any other conclusion.