AMD Radeon RX 7700 XT vs AMD Steam Machine GPU Comparison

Head-to-Head Benchmarks

The AMD Radeon RX 7700 XT and the AMD Steam Machine GPU share the RDNA 3.0 architecture but occupy very different positions in the performance hierarchy. The RX 7700 XT has a complete set of recorded benchmark results, while the Steam Machine GPU has no benchmark entries in the database, meaning direct score comparisons are impossible. However, the gap in raw specifications is substantial and quantifiable.

The RX 7700 XT delivers 35.17 TFLOPS of FP32 compute, exactly double the 17.56 TFLOPS of the Steam Machine GPU. This 2:1 ratio in raw compute throughput is the single largest differentiator between the two. The 7700 XT also has 3456 shading units versus 1792, 216 texture mapping units versus 112, and 96 ROPs versus 64. Each of these figures represents a near-exact doubling of the Steam Machine GPU's resources.

Memory bandwidth tells a similar story. The RX 7700 XT uses a 192-bit bus with 12 GB of GDDR6 memory, producing 432.0 GB/s of bandwidth. The Steam Machine GPU uses a 128-bit bus with 8 GB of GDDR6, yielding 288.0 GB/s. That is a 50% advantage in bandwidth for the desktop card. The 7700 XT also has 54 ray tracing cores against 28, again nearly double.

Pixel and texture fill rates follow the same pattern. The RX 7700 XT achieves 244.2 GPixel/s and 549.5 GTexel/s, while the Steam Machine GPU manages 156.8 GPixel/s and 274.4 GTexel/s. The desktop card is 55.8% ahead in pixel throughput and exactly 100% ahead in texture throughput. These figures indicate that the RX 7700 XT can sustain higher resolution rendering with more complex shading workloads before becoming fill-rate limited.

The recorded benchmark scores for the RX 7700 XT place it in the 67th percentile among all GPUs in the database. Its average benchmark score is 22549. The nearest rival data shows the RX 7700 XT is 0.5% above the NVIDIA GeForce RTX 5060 Mobile (avg score 22435), 1.7% above the AMD Radeon RX 5700 (avg score 22170), 0.8% below the NVIDIA GeForce RTX 4060 Mobile (avg score 22729), and 1.5% below the NVIDIA GeForce RTX 2080 (avg score 22895). This clustering places the 7700 XT in a tight performance band around all three rival GPUs.

In individual workloads, the RX 7700 XT scores 3316 in 3DMark Steel Nomad DX12, 138383 in Geekbench OpenCL, and 46443 in Geekbench Vulkan. Its Passmark results include 22547 in G3D, 12912 in GPU Compute, 1161 in G2D, 294 in DirectX 9, 232 in DirectX 11, 119 in DirectX 10, and 79 in DirectX 12. The Steam Machine GPU has no comparable scores, so its relative performance in these specific tests cannot be stated from the data.

Where Each One Wins

The RX 7700 XT wins in every measurable category where both GPUs have data. Its 35.17 TFLOPS FP32 throughput gives it a decisive edge in general compute workloads, including OpenCL and Vulkan applications that scale with raw shader count. The 54 ray tracing cores versus 28 suggest the desktop card can handle more complex ray-traced scenes, though no dedicated ray tracing benchmark scores exist for either card in the database.

For high-resolution gaming, the RX 7700 XT's memory configuration is clearly superior. The 12 GB frame buffer versus 8 GB, combined with 432.0 GB/s versus 288.0 GB/s bandwidth, means the desktop card can hold larger textures and geometry buffers without spilling to system memory. The 192-bit bus also provides more headroom for bandwidth-intensive effects like high-resolution shadow maps or dense particle systems.

The Steam Machine GPU wins in power efficiency and physical footprint. Its TDP is 110 W, less than half of the RX 7700 XT's 245 W. The console GPU draws power through no external connectors, while the desktop card requires two 8-pin connectors and a 550 W suggested PSU. The Steam Machine GPU measures 156 mm by 152 mm by 162 mm, while the RX 7700 XT is 267 mm long, 135 mm tall, and 50 mm wide. For compact console-style enclosures, the Steam Machine GPU is the only viable option by size and power constraints.

The Steam Machine GPU also has a higher base clock of 1720 MHz versus 1435 MHz for the RX 7700 XT, and a higher game clock of 2250 MHz versus 2171 MHz. This clock advantage does not compensate for the massive difference in shader count, but it does indicate the console GPU runs at higher frequencies per unit of compute hardware.

Architecture Differences

Both GPUs use the RDNA 3.0 architecture from AMD, but they are built on different process nodes and use different dies. The RX 7700 XT uses the Navi 32 chip manufactured by TSMC on a 5 nm process, containing 28,100 million transistors on a 346 mm² die. The transistor density is 81.2 million per mm². The Steam Machine GPU uses the Navi 33 chip, also from TSMC but on a 6 nm process, with 13,300 million transistors on a 204 mm² die and a density of 65.2 million per mm².

The process node difference is significant. The 5 nm node allows the Navi 32 die to pack more than twice the transistors into a die that is only 69.6% larger by area. This explains how the RX 7700 XT can deliver double the compute resources while keeping power consumption at 245 W, which is higher but not proportionally double the Steam Machine GPU's 110 W.

The codenames differ as well. The RX 7700 XT is codenamed "Wheat Nas" and belongs to the Navi III (RX 7000) generation, with a release date of September 5, 2023. The Steam Machine GPU is codenamed "Hotpink Bonefish" and is classified as a Console GPU for Valve, with a release date of June 28, 2026. The RX 7700 XT has a predecessor in Navi II and a successor in Navi IV, while the Steam Machine GPU has neither listed.

Memory architecture also differs. The RX 7700 XT uses 12 GB of GDDR6 on a 192-bit bus, while the Steam Machine GPU uses 8 GB on a 128-bit bus. Both run memory at 2250 MHz with 18 Gbps effective data rate. The RX 7700 XT's wider bus is the source of its bandwidth advantage.

The RX 7700 XT offers more display outputs: one HDMI 2.1a, two DisplayPort 2.1, and one USB Type-C. The Steam Machine GPU has one HDMI 2.1a and one DisplayPort 2.1. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Physical dimensions differ considerably. The RX 7700 XT is a dual-slot card at 267 mm length, 135 mm height, and 50 mm width. The Steam Machine GPU has no slot width listed but measures 156 mm by 152 mm by 162 mm, which indicates a more cube-like form factor suitable for console integration.

FAQ

Q: Which GPU has higher raw compute performance?

A: The RX 7700 XT delivers 35.17 TFLOPS of FP32 compute, exactly double the 17.56 TFLOPS of the Steam Machine GPU.

Q: How do the memory configurations compare?

A: The RX 7700 XT has 12 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth. The Steam Machine GPU has 8 GB of GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth.

Q: What are the power requirements for each GPU?

A: The RX 7700 XT has a TDP of 245 W and requires two 8-pin power connectors plus a 550 W suggested PSU. The Steam Machine GPU has a TDP of 110 W and uses no external power connectors.

Q: Are both GPUs based on the same architecture?

A: Yes, both use AMD's RDNA 3.0 architecture. The RX 7700 XT uses the Navi 32 chip on a 5 nm process, while the Steam Machine GPU uses the Navi 33 chip on a 6 nm process.

Q: Which GPU has better ray tracing hardware?

A: The RX 7700 XT has 54 ray tracing cores versus 28 on the Steam Machine GPU, giving it double the ray tracing resources.

Q: What is the release timeline for each GPU?

A: The RX 7700 XT was released on September 5, 2023. The Steam Machine GPU has a release date of June 28, 2026.

The Verdict

The data points to a clear separation of roles. The RX 7700 XT is the performance-oriented desktop part, with double the FP32 throughput, double the shading units, double the texture mapping units, double the ray tracing cores, 50% more memory bandwidth, and 50% more memory capacity than the Steam Machine GPU. Its average benchmark score of 22549 places it in the 67th percentile of all GPUs, and it trades within 1.7% of the NVIDIA GeForce RTX 5060 Mobile, RTX 4060 Mobile, RTX 2080, and AMD Radeon RX 5700.

The Steam Machine GPU is a power-constrained console part. Its 110 W TDP, lack of external power connectors, and compact 156 mm by 152 mm by 162 mm dimensions make it suitable for sealed enclosure designs where the RX 7700 XT's 245 W TDP, dual-slot cooler, and 267 mm length would be impractical. The console GPU also runs at higher base and game clocks (1720 MHz and 2250 MHz versus 1435 MHz and 2171 MHz), though this cannot offset its half-size compute core count.

For desktop builders seeking maximum frame rates in the RX 7700 series class, the RX 7700 XT is the only choice with recorded benchmark data. For console manufacturers targeting a specific power envelope and physical footprint, the Steam Machine GPU fits that constraint set. The two GPUs are not direct competitors; they serve different form factors and performance targets. The RX 7700 XT is active in production with a launch MSRP of 449 USD. The Steam Machine GPU is also active in production with no launch MSRP listed.