AMD Steam Machine GPU vs NVIDIA H200 NVL Comparison

FAQ

Q: What is the AMD Steam Machine GPU based on?

A: The AMD Steam Machine GPU uses the Navi 33 chip, built on the RDNA 3.0 architecture with the codename "Hotpink Bonefish." It is classified as a Console GPU (Valve) and is fabricated on a 6 nm process at TSMC.

Q: What memory configuration does the NVIDIA H200 NVL use?

A: The NVIDIA H200 NVL features 141 GB of HBM3e memory on a 6144-bit bus, delivering 4.89 TB/s of bandwidth. Its memory clock runs at 1593 MHz, which translates to 6.4 Gbps effective.

Q: Which GPU has a higher FP32 compute throughput?

A: The NVIDIA H200 NVL delivers 60.32 TFLOPS of FP32 performance, which is substantially higher than the AMD Steam Machine GPU's 17.56 TFLOPS.

Q: Does the AMD Steam Machine GPU support DirectX?

A: Yes, the AMD Steam Machine GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA H200 NVL lists N/A for all three APIs, as it is a server-focused accelerator with no display outputs.

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

A: The AMD Steam Machine GPU has a TDP of 110 W and requires no power connectors. The NVIDIA H200 NVL has a TDP of 600 W and uses an 8-pin EPS connector, with a suggested PSU of 1000 W.

Q: How does the NVIDIA H200 NVL compare to its nearest rivals in benchmark scores?

A: In the database's Geekbench OpenCL test, the H200 NVL scores 334891. It trails the NVIDIA B200 by 3.1% (which scores 345482) and the B300 SXM6 AC by 9.4% (369831), while leading the AMD Instinct MI300X by 5.3% (317994) and the NVIDIA L40S by 13.2% (295763).

Where Each One Wins

The AMD Steam Machine GPU and the NVIDIA H200 NVL occupy entirely different segments of the hardware spectrum, and the data reflects that split. The Steam Machine GPU is a compact, low-power part built for a console form factor. Its 110 W TDP, 156 mm length, and lack of power connectors make it suitable for integrated, space-constrained designs. It provides display outputs via HDMI 2.1a and DisplayPort 2.1, and it supports the full consumer graphics API stack: DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4. For workloads that require a traditional graphics pipeline, real-time rendering, or consumer display connectivity, the AMD part is the only one of the two that offers those capabilities.

The NVIDIA H200 NVL wins decisively in raw compute and memory capacity. It scores 334891 in the Geekbench OpenCL benchmark, placing it at the 100th percentile of all GPUs in the database. The AMD Steam Machine GPU carries a 50th percentile ranking with an average benchmark score of 0, meaning no recorded benchmark results exist for it in the database. The H200 NVL's 141 GB of HBM3e memory and 4.89 TB/s bandwidth dwarf the AMD part's 8 GB GDDR6 and 288.0 GB/s. For large-scale server workloads, AI inference, or memory-bound compute tasks, the H200 NVL is the clear choice based on the recorded data.

The architecture split reinforces this division. The H200 NVL is a server Hopper part with 528 tensor cores and 16,896 shading units, while the Steam Machine GPU is a console RDNA 3.0 part with 1,792 shading units and 28 ray tracing cores. The AMD GPU's pixel rate of 156.8 GPixel/s exceeds the H200 NVL's 42.84 GPixel/s, which suggests a rasterization-oriented design. The H200 NVL counters with a texture rate of 942.5 GTexel/s versus the AMD part's 274.4 GTexel/s. Each GPU wins in the domain it was built for: the Steam Machine GPU for consumer graphics, the H200 NVL for server compute.

Architecture Differences

The two GPUs come from different architectural lineages. The AMD Steam Machine GPU uses RDNA 3.0, built on a 6 nm TSMC process with 13,300 million transistors on a 204 mm² die. That yields a transistor density of 65.2 million per mm². The chip is codenamed Hotpink Bonefish and is classified under the Console GPU (Valve) generation. Its compute layout includes 1,792 shading units, 112 texture mapping units, 64 ROPs, and 28 ray tracing cores. The FP32 and FP16 throughput are both 17.56 TFLOPS, indicating a 1:1 ratio for FP16 execution.

The NVIDIA H200 NVL uses the GH100 chip under the Hopper architecture, fabricated on a 5 nm TSMC process. It packs 80,000 million transistors on an 814 mm² die, giving a transistor density of 98.3 million per mm². The compute configuration is far larger: 16,896 shading units, 528 TMUs, 24 ROPs, and 528 tensor cores. FP32 throughput reaches 60.32 TFLOPS, while FP16 scales to 120.6 TFLOPS at a 2:1 ratio, reflecting the tensor core-accelerated design common in server accelerators.

The memory subsystems are fundamentally different. The AMD GPU uses 8 GB of GDDR6 on a 128-bit bus, achieving 288.0 GB/s. The H200 NVL uses 141 GB of HBM3e on a 6144-bit bus, achieving 4.89 TB/s. That is a 17x difference in memory capacity and a roughly 17x difference in bandwidth, based on the recorded figures. The H200 NVL also uses a PCIe 5.0 x16 bus interface, while the Steam Machine GPU lists no bus interface in the database.

Feature support diverges sharply. The AMD GPU supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, plus display outputs. The H200 NVL lists N/A for all graphics APIs and has no display outputs, confirming its role as a compute-only accelerator. The H200 NVL's predecessor is listed as Server Ada and its successor as Server Blackwell, placing it in a clear product lineage. The Steam Machine GPU has no predecessor or successor recorded.

Specification Differences

Process node: AMD uses 6 nm, NVIDIA uses 5 nm, both from TSMC. Transistor count: AMD has 13,300 million, NVIDIA has 80,000 million. Die size: AMD is 204 mm², NVIDIA is 814 mm². Transistor density: AMD is 65.2M per mm², NVIDIA is 98.3M per mm².

Clock speeds: AMD base clock is 1720 MHz with a boost of 2450 MHz and a game clock of 2250 MHz. NVIDIA base clock is 1365 MHz with a boost of 1785 MHz and no game clock. Memory clocks: AMD runs at 2250 MHz (18 Gbps effective), NVIDIA at 1593 MHz (6.4 Gbps effective).

Memory: AMD has 8 GB GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth. NVIDIA has 141 GB HBM3e on a 6144-bit bus with 4.89 TB/s bandwidth.

Compute units: AMD has 1,792 shading units, 112 TMUs, 64 ROPs, and 28 RT cores. NVIDIA has 16,896 shading units, 528 TMUs, 24 ROPs, and 528 tensor cores. AMD has no tensor cores; NVIDIA has no RT cores listed.

Rates: AMD pixel rate is 156.8 GPixel/s, texture rate is 274.4 GTexel/s. NVIDIA pixel rate is 42.84 GPixel/s, texture rate is 942.5 GTexel/s. FP32: AMD is 17.56 TFLOPS, NVIDIA is 60.32 TFLOPS. FP16: AMD is 17.56 TFLOPS (1:1), NVIDIA is 120.6 TFLOPS (2:1).

Power and physical: AMD TDP is 110 W, no power connectors, dimensions of 156 mm length, 152 mm height, 162 mm width. NVIDIA TDP is 600 W, uses an 8-pin EPS connector, suggested PSU of 1000 W, dual-slot width, dimensions of 267 mm length and 111 mm height.

Interface and outputs: AMD lists no bus interface and provides 1x HDMI 2.1a plus 1x DisplayPort 2.1. NVIDIA uses PCIe 5.0 x16 and has no display outputs.

APIs: AMD supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4. NVIDIA lists N/A for all three.

Release dates: AMD is dated 2026-06-28, NVIDIA is dated 2024-11-17. Both are marked as Active in production status.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results between the AMD Steam Machine GPU and the NVIDIA H200 NVL. The AMD part has no recorded benchmark scores, an average score of 0, and no nearest rivals. The NVIDIA H200 NVL, by contrast, has one recorded benchmark: Geekbench OpenCL with a score of 334891.

That score places the H200 NVL at the 100th percentile of all GPUs in the database. Its nearest rivals in the recorded data are the NVIDIA B200 at 345482 (3.1% faster), the AMD Instinct MI300X at 317994 (5.3% slower), the NVIDIA B300 SXM6 AC at 369831 (9.4% faster), and the NVIDIA L40S at 295763 (13.2% slower). The relative positioning shows the H200 NVL sits in the upper tier of server accelerators, close to the B200 and B300 parts but ahead of the MI300X and L40S.

For the AMD Steam Machine GPU, the absence of benchmark data means no direct comparison is possible from the recorded measurements. The available information is architectural and physical. Its FP32 throughput of 17.56 TFLOPS is roughly 29% of the H200 NVL's 60.32 TFLOPS, based on the recorded figures. Its memory bandwidth of 288.0 GB/s is about 5.9% of the H200 NVL's 4.89 TB/s. Its pixel rate of 156.8 GPixel/s is higher than the H200 NVL's 42.84 GPixel/s, while the texture rate is lower at 274.4 GTexel/s versus 942.5 GTexel/s.

The power envelope differs by a factor of more than five: 110 W for the AMD part versus 600 W for the NVIDIA part. The AMD GPU's transistor density is 65.2M per mm² against the NVIDIA part's 98.3M per mm². The H200 NVL's 141 GB memory capacity is more than 17 times the AMD part's 8 GB. These are the largest recorded gaps between the two parts.

In the absence of shared benchmark results, the analysis rests on the recorded specifications. The H200 NVL leads in compute throughput, memory capacity, memory bandwidth, texture rate, and tensor core availability. The Steam Machine GPU leads in pixel rate, lower power draw, physical compactness, and graphics API support. The database's percentile ranking reinforces this: the H200 NVL sits at 100th percentile, while the Steam Machine GPU sits at 50th with no benchmark score. The two parts are not direct competitors; they serve different workloads, and the recorded data reflects that separation.