AMD Steam Machine GPU vs NVIDIA H100 PCIe 96 GB Comparison

Head-to-Head Benchmarks

The recorded database contains no benchmark scores for either the AMD Steam Machine GPU or the NVIDIA H100 PCIe 96 GB. Both entries show an average benchmark score of zero, and both sit at the 50th percentile among all GPUs in the database. The head-to-head benchmark comparison is therefore empty, with zero wins recorded for each side. This absence of measured performance data means the comparison must rely entirely on architectural specifications and recorded hardware characteristics rather than empirical test results.

What the data does indicate is a stark contrast in raw compute capability. The NVIDIA H100 PCIe 96 GB delivers 62.08 TFLOPS of FP32 throughput, a figure that is 3.5 times higher than the AMD Steam Machine GPU's 17.56 TFLOPS. In FP16 workloads, the gap widens dramatically: the H100 produces 248.3 TFLOPS (using a 4:1 ratio), while the Steam Machine GPU produces 17.56 TFLOPS at a 1:1 ratio. That places the NVIDIA part at roughly 14 times the FP16 throughput of the AMD part, a decisive margin for any workload relying on reduced-precision arithmetic.

Texture processing follows a similar pattern. The H100 reaches 969.9 GTexel/s, compared to 274.4 GTexel/s for the Steam Machine GPU, a 3.5x advantage. Pixel rate, however, inverts the expected hierarchy: the AMD part achieves 156.8 GPixel/s while the H100 manages only 44.09 GPixel/s. This 3.6x lead for AMD reflects the fundamentally different design priorities of the two products, one optimized for rasterization-heavy console-style rendering and the other for compute-centric server workloads.

Memory bandwidth tells a one-sided story. The H100's HBM3 implementation provides 3.36 TB/s of bandwidth across a 5120-bit bus, dwarfing the Steam Machine GPU's 288.0 GB/s over a 128-bit GDDR6 interface. The NVIDIA part offers 11.7 times the memory bandwidth, a figure that directly supports its FP32 and FP16 throughput advantages. The AMD part's modest bandwidth aligns with its 110 W power envelope and compact 8 GB memory capacity.

Architecture Differences

The two GPUs share a foundry but diverge everywhere else. Both use TSMC fabrication, with the AMD Steam Machine GPU on a 6 nm process and the NVIDIA H100 PCIe 96 GB on a 5 nm node. The transistor counts reflect the scale disparity: the H100 packs 80,000 million transistors on an 814 mm² die, while the Steam Machine GPU contains 13,300 million transistors on a 204 mm² die. Transistor density favors the NVIDIA chip at 98.3M transistors per mm² versus 65.2M per mm² for AMD, indicating a tighter packing on the smaller process node.

Architecture families are entirely separate. AMD uses RDNA 3.0 with the Navi 33 chip under the codename "Hotpink Bonefish," belonging to the Console GPU (Valve) generation. NVIDIA uses the Hopper architecture with the GH100 chip, part of the Server Hopper (Hxx) generation. The AMD part supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the NVIDIA part lists no API support in the database, consistent with a server accelerator that does not target traditional graphics APIs.

The compute resources differ in composition and scale. The H100 fields 16,896 shading units, 528 texture mapping units, and 528 tensor cores, with no ray tracing cores listed. The Steam Machine GPU provides 1,792 shading units, 112 TMUs, 64 ROPs, and 28 ray tracing cores, with no tensor cores. The H100's tensor core count of 528 is a defining feature for AI and deep learning workloads, while the AMD part's 28 ray tracing cores serve gaming and real-time graphics applications.

Clock behavior also separates the two. The AMD part runs a base clock of 1720 MHz, a boost clock of 2450 MHz, and a game clock of 2250 MHz. The NVIDIA part runs a base clock of 1665 MHz and a boost clock of 1837 MHz, with no game clock recorded. Memory clocks differ as well: the AMD memory operates at 2250 MHz (18 Gbps effective), while the H100 memory runs at 1313 MHz (5.3 Gbps effective). The H100 compensates for its lower memory clock with a vastly wider 5120-bit bus and HBM3 technology.

Power and physical design could not be more different. The Steam Machine GPU draws 110 W with no power connectors, making it a self-contained card suitable for a compact console form factor. The H100 consumes 700 W, requires an 8-pin EPS power connector, and lists a suggested PSU of 1100 W. The H100 is dual-slot with a length of 268 mm (10.6 inches) and a height of 111 mm (4.4 inches). The AMD part measures 156 mm (6.1 inches) in length, 152 mm (6 inches) in height, and 162 mm (6.4 inches) in width, with no slot width recorded. The AMD card includes display outputs (1x HDMI 2.1a, 1x DisplayPort 2.1), while the H100 has no display outputs, reinforcing its headless server role.

FAQ

Q: Which GPU has higher FP32 compute throughput?

A: The NVIDIA H100 PCIe 96 GB delivers 62.08 TFLOPS of FP32 performance, which is 3.5 times the 17.56 TFLOPS recorded for the AMD Steam Machine GPU.

Q: Does the AMD Steam Machine GPU support ray tracing?

A: Yes, the AMD part includes 28 ray tracing cores. The NVIDIA H100 PCIe 96 GB has no ray tracing cores listed in the database.

Q: What is the memory capacity difference between the two?

A: The NVIDIA H100 PCIe 96 GB offers 96 GB of HBM3 memory, while the AMD Steam Machine GPU provides 8 GB of GDDR6 memory. The H100 also has a 5120-bit memory bus versus the AMD part's 128-bit bus.

Q: Which GPU requires an external power connector?

A: The NVIDIA H100 PCIe 96 GB requires an 8-pin EPS power connector and lists a suggested PSU of 1100 W. The AMD Steam Machine GPU has no power connectors and draws 110 W.

Q: Are these GPUs from the same architecture generation?

A: No. The AMD Steam Machine GPU uses RDNA 3.0 architecture (Navi 33, codename Hotpink Bonefish) and belongs to the Console GPU (Valve) generation. The NVIDIA H100 PCIe 96 GB uses Hopper architecture (GH100) and belongs to the Server Hopper (Hxx) generation.

Q: Do both GPUs support DirectX and Vulkan?

A: Only the AMD Steam Machine GPU lists graphics API support: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA H100 PCIe 96 GB has no API entries in the database, and it also has no display outputs.

Specification Differences

The two GPUs differ across nearly every recorded specification. Process node: 6 nm for AMD, 5 nm for NVIDIA. Transistor count: 13,300 million for AMD, 80,000 million for NVIDIA. Die size: 204 mm² for AMD, 814 mm² for NVIDIA. Transistor density: 65.2M per mm² for AMD, 98.3M per mm² for NVIDIA. Base clock: 1720 MHz for AMD, 1665 MHz for NVIDIA. Boost clock: 2450 MHz for AMD, 1837 MHz for NVIDIA. Game clock: 2250 MHz for AMD, none recorded for NVIDIA. Memory clock: 2250 MHz (18 Gbps effective) for AMD, 1313 MHz (5.3 Gbps effective) for NVIDIA.

Memory size: 8 GB for AMD, 96 GB for NVIDIA. Memory type: GDDR6 for AMD, HBM3 for NVIDIA. Bus width: 128 bit for AMD, 5120 bit for NVIDIA. Bandwidth: 288.0 GB/s for AMD, 3.36 TB/s for NVIDIA. Shading units: 1792 for AMD, 16896 for NVIDIA. TMUs: 112 for AMD, 528 for NVIDIA. ROPs: 64 for AMD, 24 for NVIDIA. Ray tracing cores: 28 for AMD, none recorded for NVIDIA. Tensor cores: none recorded for AMD, 528 for NVIDIA.

Pixel rate: 156.8 GPixel/s for AMD, 44.09 GPixel/s for NVIDIA. Texture rate: 274.4 GTexel/s for AMD, 969.9 GTexel/s for NVIDIA. FP32: 17.56 TFLOPS for AMD, 62.08 TFLOPS for NVIDIA. FP16: 17.56 TFLOPS (1:1) for AMD, 248.3 TFLOPS (4:1) for NVIDIA. TDP: 110 W for AMD, 700 W for NVIDIA. Slot width: none recorded for AMD, dual-slot for NVIDIA. Power connectors: none for AMD, 8-pin EPS for NVIDIA. Suggested PSU: none recorded for AMD, 1100 W for NVIDIA. Bus interface: none recorded for AMD, PCIe 5.0 x16 for NVIDIA.

Display outputs: 1x HDMI 2.1a and 1x DisplayPort 2.1 for AMD, no outputs for NVIDIA. APIs: DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4 for AMD, none recorded for NVIDIA. Dimensions: 156 mm length, 152 mm height, 162 mm width for AMD; 268 mm length, 111 mm height, no width recorded for NVIDIA. Release date: 2026-06-28 for AMD, 2023-03-20 for NVIDIA. Production status: Active for both. Predecessor: none recorded for AMD, Server Ada for NVIDIA. Successor: none recorded for AMD, Server Blackwell for NVIDIA. Percentile vs all GPUs: 50 for both. Average benchmark score: 0 for both.

The Verdict

The database paints a clear picture of two products built for entirely different purposes. The NVIDIA H100 PCIe 96 GB is a server-class accelerator with 96 GB of HBM3 memory, 528 tensor cores, and 62.08 TFLOPS of FP32 compute. Its 700 W power draw and 1100 W suggested PSU place it firmly in datacenter racks where power and cooling are abundant. The AMD Steam Machine GPU is a 110 W console-oriented part with 8 GB of GDDR6 memory, 28 ray tracing cores, and display outputs, designed for a compact Valve console form factor where power connectors are absent.

The data shows the H100 winning decisively in compute-heavy metrics: FP32, FP16, texture rate, memory capacity, and memory bandwidth. The Steam Machine GPU leads in pixel rate and includes graphics API support and display connectivity, features entirely absent from the H100. The H100's tensor cores make it the only choice for AI and deep learning workloads in the database, while the Steam Machine GPU's ray tracing cores and standard graphics APIs suit it to rendering and gaming applications.

The release dates reinforce the generational split: the H100 launched in March 2023 as part of the Server Hopper generation, while the Steam Machine GPU arrived in June 2026 under the Console GPU (Valve) generation. The H100's predecessor and successor are both server parts (Server Ada and Server Blackwell), while the Steam Machine GPU has no recorded predecessor or successor, marking it as a standalone console-specific design.

For buyers, the choice depends entirely on workload. The H100 targets compute-heavy server deployments where its 3.36 TB/s bandwidth and 96 GB capacity are essential. The Steam Machine GPU targets a console environment where 110 W power draw, integrated display outputs, and a compact 156 mm length are the defining constraints. The two products do not compete; they serve separate markets with mutually exclusive requirements. The data offers no benchmark scores to arbitrate performance, but the specification sheet alone makes the segmentation unambiguous.