AMD Ryzen Z2 GPU vs NVIDIA B200 SXM6 Comparison

The AMD Ryzen Z2 GPU and NVIDIA B200 SXM6 occupy opposite extremes of the GPU spectrum, one a 28 W console-class part with a single USB-C output, the other a 1000 W server module with no display outputs. The recorded data shows no shared benchmark results, so the comparison rests on architectural specifications, memory systems, and compute capabilities. Both parts sit at the 50th percentile against all GPUs in the database, indicating that percentile alone does not separate them; the differences emerge from the raw hardware.

Where Each One Wins

The AMD Ryzen Z2 GPU wins in any scenario where power draw and physical footprint dominate. Its 28 W TDP is the lowest in this comparison, and it requires no power connectors, making it suitable for compact, fanless, or battery-powered designs. The single USB Type-C display output confirms its role as a visual output device, likely for handheld gaming or small form factor systems. The 16 GB LPDDR5X memory, while modest in bandwidth at 119.9 GB/s, is integrated on a 128 bit bus, which suits frame buffer workloads that do not demand massive throughput.

The NVIDIA B200 SXM6 wins in raw compute and memory capacity. Its 69.34 TFLOPS FP32 output is roughly 8.36 times the Ryzen Z2 GPU’s 8.294 TFLOPS, and its 8.19 TB/s memory bandwidth is over 68 times higher. The 180 GB HBM3e pool, accessed via an 8192 bit bus, provides the kind of capacity and speed needed for large model inference, scientific simulation, or data center acceleration. The inclusion of 592 tensor cores, absent on the AMD part, gives the B200 a dedicated path for matrix operations that the Ryzen Z2 GPU cannot match. The PCIe 6.0 x16 interface and 1400 W suggested PSU further position the B200 as a server component, not a client device.

The Ryzen Z2 GPU also wins on process efficiency metrics. Its 4 nm node from TSMC yields a transistor density of 142.6M / mm², higher than the B200’s 127.8M / mm² on 5 nm. The AMD chip packs 25,390 million transistors into 178 mm², while the NVIDIA chip spreads 208,000 million transistors across 1628 mm². For a fixed power envelope, the Ryzen Z2 GPU delivers more compute per watt in principle, though the B200’s absolute performance dwarfs it.

FAQ

Q: Which GPU has higher FP32 compute?

A: The NVIDIA B200 SXM6 delivers 69.34 TFLOPS FP32, while the AMD Ryzen Z2 GPU delivers 8.294 TFLOPS. The B200 is about 8.36 times faster in this metric.

Q: What memory types and capacities do the two 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 B200 SXM6 uses 180 GB of HBM3e on an 8192 bit bus with 8.19 TB/s bandwidth.

Q: Do both GPUs support ray tracing?

A: The AMD Ryzen Z2 GPU lists 12 RT cores. The NVIDIA B200 SXM6 does not list RT cores in the database, so its ray tracing capability is not recorded.

Q: What are the power requirements?

A: The AMD Ryzen Z2 GPU has a 28 W TDP and no power connectors. The NVIDIA B200 SXM6 has a 1000 W TDP and a suggested PSU of 1400 W.

Q: Which GPU supports display output?

A: The AMD Ryzen Z2 GPU provides 1x USB Type-C display output. The NVIDIA B200 SXM6 has no outputs.

Q: What are the API compatibility profiles?

A: The AMD Ryzen Z2 GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA B200 SXM6 has no recorded API support for DirectX, OpenGL, or Vulkan.

Head-to-Head Benchmarks

Direct benchmark comparisons are absent from the database, but the specification deltas provide a clear picture. The largest margin favors the B200 in memory bandwidth: 8.19 TB/s versus 119.9 GB/s, a factor of roughly 68.3. This gap reflects the HBM3e stack and 8192 bit bus, which are designed for data center workloads that stream massive datasets. The Ryzen Z2 GPU’s LPDDR5X memory, while slower, is sufficient for frame buffer operations at lower resolutions.

Compute throughput shows a similar skew. The B200’s 69.34 TFLOPS FP32 output is 8.36 times the Ryzen Z2 GPU’s 8.294 TFLOPS. Texture rate follows suit: 1,083.4 GTexel/s versus 129.6 GTexel/s, an 8.36 times difference that matches the FP32 ratio. Pixel rate, however, favors the AMD part: 86.40 GPixel/s versus 43.92 GPixel/s. The Ryzen Z2 GPU has 32 ROPs against the B200’s 24, and its higher boost clock of 2700 MHz versus 1830 MHz helps it fill pixels faster despite lower overall compute. This inversion suggests the Ryzen Z2 GPU is better tuned for rasterization-style output, while the B200 is optimized for shader and tensor work.

Shading units also diverge sharply. The B200 carries 18,944 shading units and 592 tensor cores, while the Ryzen Z2 GPU has 768 shading units and no tensor cores. The TMU counts are 592 versus 48. These numbers indicate that the B200 is built for massively parallel throughput, whereas the Ryzen Z2 GPU is a smaller, power-conscious design.

Specification Differences

The two GPUs differ in nearly every measurable field. The process node is 4 nm for AMD and 5 nm for NVIDIA, both from TSMC. Transistor counts are 25,390 million versus 208,000 million, and die sizes are 178 mm² versus 1628 mm². Transistor density is higher on the AMD part at 142.6M / mm² versus 127.8M / mm².

Clock speeds show a notable contrast. The Ryzen Z2 GPU has a base clock of 800 MHz and a boost of 2700 MHz. The B200 has a base of 120 MHz and a boost of 1830 MHz. The AMD part runs faster, but the B200 compensates with far more units. Memory clocks also differ: 937 MHz (7.5 Gbps effective) for AMD versus 2000 MHz (8 Gbps effective) for NVIDIA.

Memory subsystem specifications are entirely different. The AMD part uses 16 GB LPDDR5X with a 128 bit bus and 119.9 GB/s bandwidth. The NVIDIA part uses 180 GB HBM3e with an 8192 bit bus and 8.19 TB/s bandwidth. The B200’s memory bandwidth is approximately 68.3 times the AMD part’s.

Power and physical requirements diverge completely. The Ryzen Z2 GPU has a 28 W TDP and no power connectors. The B200 has a 1000 W TDP, a suggested PSU of 1400 W, and an SXM Module slot width. The interface is PCIe 6.0 x16 for NVIDIA, while the AMD part has no recorded bus interface. Display outputs are 1x USB Type-C for AMD and none for NVIDIA.

API support also separates the two. The Ryzen Z2 GPU lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The B200 lists N/A for all three, reflecting its server orientation. Release dates are close: the B200 was released on 2024-10-31, and the Ryzen Z2 GPU on 2024-12-31. The B200 has a recorded predecessor, Server Hopper, and successor, Server Rubin; the Ryzen Z2 GPU has neither.

Architecture Differences

The Ryzen Z2 GPU is built on the RDNA 3.0 architecture with the Hawk Point chip, categorized as Console GPU (AMD). It uses a 4 nm TSMC process and integrates 12 RT cores for ray tracing, a feature absent from the B200’s recorded specifications. Its 768 shading units and 48 TMUs are typical of a small, efficient design. The FP16 and FP32 throughput are identical at 8.294 TFLOPS (1:1), indicating no dedicated half-rate path.

The NVIDIA B200 SXM6 uses the Blackwell architecture with the GB100 chip, categorized as Server Blackwell (Bxx). It is built on a 5 nm TSMC process and includes 592 tensor cores, but no RT cores are listed. The FP16 and FP32 outputs match at 69.34 TFLOPS (1:1), a similar ratio to the AMD part but at much higher absolute scale. The 18,944 shading units and 592 TMUs give it a compute-heavy design, while the 24 ROPs limit its pixel output relative to its shader count.

The transistor density difference is smaller than the absolute transistor count difference. AMD achieves 142.6M transistors per mm² on 4 nm, while NVIDIA achieves 127.8M per mm² on 5 nm. The B200’s 1628 mm² die is roughly 9.1 times larger than the Ryzen Z2 GPU’s 178 mm², which explains how it fits 208,000 million transistors versus 25,390 million. The B200’s base clock of 120 MHz is unusually low, likely a power management strategy for a 1000 W part, while its 1830 MHz boost is still lower than the AMD part’s 2700 MHz boost.

Memory architecture reinforces the server versus client split. HBM3e with an 8192 bit bus is a stack-based design for bandwidth density, while LPDDR5X with a 128 bit bus is a low-power, board-level solution. The B200’s 8.19 TB/s bandwidth is the standout number in the entire comparison, exceeding the Ryzen Z2 GPU’s bandwidth by nearly two orders of magnitude.

The Verdict

The data points to a clear split by use case. The AMD Ryzen Z2 GPU serves client-side graphics work: it has a display output, supports modern graphics APIs, includes RT cores, and draws only 28 W. Its higher pixel rate of 86.40 GPixel/s, despite lower overall compute, suggests it is designed for rendering frames to a screen. The lack of tensor cores and the modest 119.9 GB/s bandwidth limit it to traditional graphics workloads.

The NVIDIA B200 SXM6 serves compute and server workloads. It has no display output and no graphics API support, but it delivers 69.34 TFLOPS FP32, 8.19 TB/s memory bandwidth, and 592 tensor cores. The 180 GB HBM3e pool and PCIe 6.0 x16 interface target data center tasks like large-scale parallel processing and AI inference. The 1000 W TDP and 1400 W suggested PSU confirm it is not meant for desktop use.

Neither part is a substitute for the other. The Ryzen Z2 GPU wins on power efficiency, pixel fill, and graphics compatibility. The B200 wins on raw compute, memory capacity, bandwidth, and tensor throughput. The database shows no overlapping benchmark results, so the choice depends entirely on whether the workload requires display output and low power (Ryzen Z2 GPU) or massive parallel compute and memory bandwidth (B200 SXM6). The B200’s launch MSRP is 34,999 USD, which reflects its enterprise positioning, while the Ryzen Z2 GPU has no recorded launch MSRP.