AMD Radeon AI PRO R9700S vs AMD Steam Machine GPU Comparison

FAQ

Q: What are the two GPUs compared in this database entry?

A: The AMD Radeon AI PRO R9700S and the AMD Steam Machine GPU are the two products analyzed. Both are manufactured by AMD but target different segments: the R9700S is a workstation-oriented Radeon Pro part, while the Steam Machine GPU is a console GPU developed for Valve.

Q: Which GPU has the higher FP32 compute throughput?

A: The AMD Radeon AI PRO R9700S delivers 47.84 TFLOPS of FP32 performance, which is significantly higher than the 17.56 TFLOPS produced by the AMD Steam Machine GPU. This represents a 2.72x advantage for the R9700S in raw single-precision compute.

Q: How does the memory configuration differ between the two?

A: The Radeon AI PRO R9700S uses 32 GB of GDDR6 memory on a 256-bit bus, yielding 644.6 GB/s of bandwidth. The Steam Machine GPU has 8 GB of GDDR6 on a 128-bit bus, providing 288.0 GB/s. The R9700S offers four times the memory capacity and more than double the bandwidth.

Q: What are the process nodes for each chip?

A: The Radeon AI PRO R9700S is built on TSMC's 4 nm process, while the Steam Machine GPU uses TSMC's 6 nm node. The R9700S also uses the newer RDNA 4.0 architecture, whereas the Steam Machine GPU is based on RDNA 3.0.

Q: What is the power consumption difference?

A: The Radeon AI PRO R9700S has a TDP of 300 W and requires a 700 W power supply with a 1x 16-pin power connector. The Steam Machine GPU has a TDP of 110 W and uses no external power connectors.

Q: Which GPU has a higher boost clock?

A: The Radeon AI PRO R9700S boosts to 2920 MHz, compared to the Steam Machine GPU's boost clock of 2450 MHz. The base clocks are closer, at 1660 MHz versus 1720 MHz respectively.

Architecture Differences

The architectural gap between these two AMD GPUs is substantial, spanning process technology, die size, and feature generation. The Radeon AI PRO R9700S is built on RDNA 4.0 with the Navi 48 chip, manufactured on TSMC's 4 nm node. The Steam Machine GPU uses RDNA 3.0 with the Navi 33 chip, codenamed Hotpink Bonefish, on TSMC's 6 nm process. This generational shift brings a denser transistor layout: the R9700S packs 53,900 million transistors onto a 357 mm² die, achieving a transistor density of 151.0M per mm². The Steam Machine GPU contains 13,300 million transistors on a 204 mm² die, for a density of 65.2M per mm². The R9700S therefore carries over four times the transistor count on a die that is only 1.75 times larger.

Compute resources differ across every major unit. The R9700S has 4096 shading units, 256 texture mapping units, 128 render output units, and 64 ray tracing cores. The Steam Machine GPU has 1792 shading units, 112 TMUs, 64 ROPs, and 28 RT cores. This means the R9700S has 2.29x the shading units, 2.29x the TMUs, 2x the ROPs, and 2.29x the RT cores. Neither GPU includes tensor cores in the recorded data.

Clock behavior also reflects the different design goals. The Steam Machine GPU has a higher base clock at 1720 MHz versus 1660 MHz, but the R9700S takes over at boost with 2920 MHz against 2450 MHz, and in game mode at 2350 MHz versus 2250 MHz. Memory clocks follow the same pattern: the R9700S runs at 2518 MHz (20.1 Gbps effective), while the Steam Machine GPU runs at 2250 MHz (18 Gbps effective).

Physical design and output configuration separate the two as well. The R9700S is a dual-slot card measuring 267 mm by 109 mm by 39 mm, with four DisplayPort 2.1a outputs and a PCIe 5.0 x16 interface. The Steam Machine GPU is a compact module at 156 mm by 152 mm by 162 mm, with one HDMI 2.1a and one DisplayPort 2.1 output; no bus interface is recorded. The R9700S requires a 16-pin power connector and a 700 W power supply, while the Steam Machine GPU has no power connectors listed.

Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The R9700S is positioned in the Radeon Pro Navi (Navi IV Series) generation, while the Steam Machine GPU is classified under Console GPU (Valve). The R9700S lists the Radeon Pro Vega as its predecessor; the Steam Machine GPU has no predecessor recorded.

Head-to-Head Benchmarks

The database records no direct head-to-head benchmark scores between the Radeon AI PRO R9700S and the Steam Machine GPU, and neither GPU has individual benchmark entries or rival listings. The analysis therefore relies on the recorded hardware specifications, which establish clear performance deltas across every compute category.

The largest single advantage for the R9700S appears in FP32 throughput. The R9700S delivers 47.84 TFLOPS, which is 30.28 TFLOPS higher than the Steam Machine GPU's 17.56 TFLOPS. In relative terms, the R9700S offers 2.72x the single-precision compute. FP16 performance follows identically at 47.84 TFLOPS versus 17.56 TFLOPS, since both GPUs maintain a 1:1 FP16 to FP32 ratio.

Pixel and texture rates reinforce the same conclusion. The R9700S reaches 373.8 GPixel/s, which is 2.38x the Steam Machine GPU's 156.8 GPixel/s. Texture rate stands at 747.5 GTexel/s for the R9700S versus 274.4 GTexel/s for the Steam Machine GPU, a 2.72x difference that matches the shading unit and TMU ratios.

Memory bandwidth is another decisive category. The R9700S provides 644.6 GB/s against 288.0 GB/s for the Steam Machine GPU, a 2.24x advantage. The R9700S also has four times the memory capacity at 32 GB versus 8 GB. This combination of higher capacity and bandwidth positions the R9700S well for large working sets and high-resolution textures.

Clock speeds show a mixed picture. The Steam Machine GPU starts with a higher base clock, 1720 MHz versus 1660 MHz, a 3.6% advantage. But the R9700S counters with a boost clock of 2920 MHz versus 2450 MHz, a 19.2% advantage, and a game clock of 2350 MHz versus 2250 MHz, a 4.4% advantage. The R9700S also runs memory at 2518 MHz versus 2250 MHz, an 11.9% higher memory clock.

In every measured throughput category, the R9700S leads by a factor between 2.24x and 2.72x. There are no benchmark wins recorded for the Steam Machine GPU in the database. The only specification where the Steam Machine GPU holds any edge is the base clock, which does not translate into higher peak throughput given the R9700S's larger compute resource pool and higher boost clocks.

The Verdict

The recorded data points to a decisive performance hierarchy. The AMD Radeon AI PRO R9700S dominates the AMD Steam Machine GPU in every throughput metric captured by the database: FP32 compute, FP16 compute, pixel rate, texture rate, memory bandwidth, and memory capacity. The smallest advantage is 2.24x in memory bandwidth; the largest is 2.72x in FP32, FP16, and texture rate. The R9700S also holds the edge in boost clock, game clock, and memory clock.

The Steam Machine GPU has its own strengths, but they are not compute-related. It consumes 110 W versus 300 W, uses no external power connectors, has a more compact physical footprint, and carries a higher base clock. It is also a newer release in the database, dated 2026-06-28 compared to 2025-12-10 for the R9700S, though both hold Active production status.

The selection between these two depends entirely on the workload profile. The R9700S is built for tasks that demand maximum throughput: large FP32 workloads, high-resolution rendering, and memory-intensive operations. Its 32 GB frame buffer and 644.6 GB/s bandwidth support data sets that the Steam Machine GPU's 8 GB and 288.0 GB/s cannot accommodate. The Steam Machine GPU suits environments where power draw and physical size are the binding constraints, and where its 17.56 TFLOPS of FP32 performance is sufficient.

The percentile rating for both GPUs sits at 50 against all GPUs in the database, with average benchmark scores of 0 and no nearest rivals recorded. This means the database currently has no comparative benchmark evidence beyond the specification sheet, so the verdict rests on the hardware parameters alone.

Specification Differences

The two GPUs differ across every major specification field except their API support and manufacturer.

Architecture and process: RDNA 4.0 on 4 nm for the R9700S, RDNA 3.0 on 6 nm for the Steam Machine GPU. The R9700S uses the Navi 48 chip; the Steam Machine GPU uses Navi 33 (Hotpink Bonefish). Transistors stand at 53,900 million versus 13,300 million, die size at 357 mm² versus 204 mm², and transistor density at 151.0M per mm² versus 65.2M per mm².

Clocks: base 1660 MHz versus 1720 MHz; boost 2920 MHz versus 2450 MHz; game 2350 MHz versus 2250 MHz; memory 2518 MHz (20.1 Gbps effective) versus 2250 MHz (18 Gbps effective).

Memory: 32 GB versus 8 GB GDDR6; 256-bit versus 128-bit bus; 644.6 GB/s versus 288.0 GB/s bandwidth.

Compute units: 4096 versus 1792 shading units; 256 versus 112 TMUs; 128 versus 64 ROPs; 64 versus 28 RT cores.

Rates: 373.8 GPixel/s versus 156.8 GPixel/s; 747.5 GTexel/s versus 274.4 GTexel/s; 47.84 versus 17.56 TFLOPS for both FP32 and FP16.

Power and physical: 300 W versus 110 W TDP; dual-slot versus no slot width recorded; 1x 16-pin connector versus none; 700 W suggested PSU versus none recorded; PCIe 5.0 x16 versus no bus interface recorded; dimensions 267 mm x 109 mm x 39 mm versus 156 mm x 152 mm x 162 mm; 4x DisplayPort 2.1a versus 1x HDMI 2.1a and 1x DisplayPort 2.1.

Release and classification: Radeon Pro Navi (Navi IV Series) with predecessor Radeon Pro Vega, released 2025-12-10; Console GPU (Valve) with no predecessor, released 2026-06-28.

Identical fields: both use GDDR6 memory, TSMC as foundry, DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4, and neither has tensor cores, a launch MSRP, or a successor recorded.

Where Each One Wins

The Radeon AI PRO R9700S wins in all compute-intensive scenarios. Its 47.84 TFLOPS FP32 and FP16 throughput, 373.8 GPixel/s pixel rate, and 747.5 GTexel/s texture rate give it a 2.38x to 2.72x advantage over the Steam Machine GPU. The 32 GB memory capacity and 644.6 GB/s bandwidth make it the only one of the two suited to workloads that exceed 8 GB of data or require high-bandwidth streaming. Its 64 RT cores versus 28 also put it ahead for ray tracing work, assuming the 2.29x core ratio translates to proportional RT performance. The dual-slot design, PCIe 5.0 x16 interface, and four DisplayPort 2.1a outputs further support a workstation or professional rendering configuration.

The Steam Machine GPU wins in efficiency and integration. Its 110 W TDP is less than half the R9700S's 300 W, and it requires no external power connectors, which simplifies installation in compact systems. The dimensions of 156 mm by 152 mm by 162 mm produce a smaller footprint than the R9700S's 267 mm by 109 mm by 39 mm card. Its higher base clock of 1720 MHz could provide a small advantage in lightly threaded or latency-sensitive tasks that run at base clocks, though the R9700S's boost clock overtakes it. The Steam Machine GPU's console classification and HDMI 2.1a output align it with living-room or embedded deployments rather than peak-throughput computing.

The database shows zero recorded benchmark wins for either GPU, so these assignments come from the specification deltas. The R9700S is the throughput leader in every measured category; the Steam Machine GPU is the power-efficient, compact alternative.