AMD Steam Machine GPU vs NVIDIA GeForce RTX 4050 Max-Q Comparison

Head-to-Head Benchmarks

The database records no direct head-to-head benchmark scores for this pair. Both the AMD Steam Machine GPU and the NVIDIA GeForce RTX 4050 Max-Q sit at the 50th percentile among all GPUs, and neither has a recorded average benchmark score. The absence of measured results means any performance comparison must be derived from their raw hardware specifications, clock behavior, and memory configurations rather than from application-level tests.

What the data does show is a substantial raw compute advantage for the AMD part. The Steam Machine GPU delivers 17.56 TFLOPS of FP32 throughput, while the RTX 4050 Max-Q provides 8.218 TFLOPS. That is more than double, a 113.7% lead in raw shader math. Similar gaps appear in texture and pixel throughput. The AMD GPU reaches 274.4 GTexel/s versus 128.4 GTexel/s for the NVIDIA part, and 156.8 GPixel/s versus 77.04 GPixel/s. Each of those figures indicates the AMD GPU can feed and fill the screen at roughly twice the rate of the RTX 4050 Max-Q.

Memory bandwidth follows the same pattern. The Steam Machine GPU has 288.0 GB/s of bandwidth on a 128-bit bus, while the RTX 4050 Max-Q manages 192.0 GB/s on a 96-bit bus. The AMD part also carries 8 GB of GDDR6 memory versus 6 GB for the NVIDIA GPU. For workloads that scale with raw shader count, texture fill, or memory capacity, the AMD GPU holds a clear theoretical edge.

The NVIDIA part is not without counterpoints in the specification data. It packs 2560 shading units versus 1792, a 44.6% higher count, and includes 80 tensor cores that the AMD GPU lacks entirely. It also has 20 RT cores, though the AMD GPU has 28. The NVIDIA GPU's higher shader count does not translate into higher FLOPs because its boost clock of 1605 MHz is far below the AMD GPU's 2450 MHz boost. Clock speed differences of that magnitude override the raw unit count in the recorded FP32 figures.

Pixel fill rate provides one of the few areas where the NVIDIA part's architecture does not appear to be at a severe disadvantage. Its 77.04 GPixel/s is roughly half the AMD GPU's 156.8 GPixel/s, but given the NVIDIA GPU's 35 W power envelope, the efficiency per watt is far better. The AMD GPU's TDP is 110 W, more than three times the NVIDIA part's 35 W. Any performance advantage the AMD GPU holds comes with a much larger power draw.

Architecture Differences

The two GPUs come from different architectural generations and design philosophies. The AMD Steam Machine GPU uses the Navi 33 chip on RDNA 3.0 architecture, with the codename "Hotpink Bonefish." It belongs to the Console GPU (Valve) generation and is built on TSMC's 6 nm process. The NVIDIA GeForce RTX 4050 Max-Q uses the AD107 chip on Ada Lovelace architecture, belongs to the GeForce 40 Mobile generation, and is built on TSMC's 5 nm process.

The process node difference is meaningful. The 5 nm node packs 18,900 million transistors into a 159 mm² die, yielding a transistor density of 118.9M per mm². The AMD GPU's 6 nm node holds 13,300 million transistors on a 204 mm² die, for a density of 65.2M per mm². The NVIDIA chip is smaller and denser, while the AMD chip is larger and less dense. Despite the smaller die, the NVIDIA GPU carries more total transistors.

Clock behavior differs sharply. The AMD GPU has a base clock of 1720 MHz, a game clock of 2250 MHz, and a boost clock of 2450 MHz. The NVIDIA GPU has a base clock of 1140 MHz and a boost clock of 1605 MHz, with no game clock listed. The AMD GPU's boost clock is 52.6% higher than the NVIDIA part's boost. Memory clocks also diverge: the AMD GPU runs memory at 2250 MHz with 18 Gbps effective, while the NVIDIA GPU runs at 2000 MHz with 16 Gbps effective.

The memory subsystems differ beyond speed. The AMD GPU uses 8 GB of GDDR6 on a 128-bit bus. The NVIDIA GPU uses 6 GB of GDDR6 on a 96-bit bus. Bandwidth follows the bus width and clock differences: 288.0 GB/s versus 192.0 GB/s. The AMD GPU has more capacity and more bandwidth.

Feature sets also separate the two. The NVIDIA GPU includes 80 tensor cores and 20 RT cores. The AMD GPU has 28 RT cores and no tensor core count listed. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API-level feature parity exists. The NVIDIA GPU is integrated into the motherboard as an IGP with a PCIe 4.0 x8 interface, while the AMD GPU is a discrete card with no bus interface listed. Display outputs also differ: the AMD GPU provides 1x HDMI 2.1a and 1x DisplayPort 2.1, while the NVIDIA GPU's outputs are listed as "Portable Device Dependent."

Where Each One Wins

The AMD Steam Machine GPU wins wherever raw compute throughput matters. Its FP32 rate of 17.56 TFLOPS is more than double the NVIDIA part's 8.218 TFLOPS. Texture-heavy workloads favor the AMD GPU, with 274.4 GTexel/s versus 128.4 GTexel/s. Pixel-heavy rendering also favors AMD, with 156.8 GPixel/s versus 77.04 GPixel/s. The AMD GPU has more memory (8 GB versus 6 GB) and more bandwidth (288.0 GB/s versus 192.0 GB/s), which helps in high-resolution textures and large scene data. Its higher boost clock of 2450 MHz versus 1605 MHz gives it a clock advantage that carries through all compute operations.

The NVIDIA RTX 4050 Max-Q wins on power efficiency and portability. Its 35 W TDP is less than one-third of the AMD GPU's 110 W. It packs 2560 shading units, which is 768 more than the AMD GPU's 1792, and it includes 80 tensor cores. For AI-accelerated workloads that use tensor cores, the NVIDIA part has dedicated hardware the AMD GPU does not list. The NVIDIA GPU also comes from a mobile generation with a predecessor (GeForce 30 Mobile) and successor (GeForce 50 Mobile) in the database, indicating an established laptop product line. Its release date of January 2023 places it earlier in the market than the AMD GPU's June 2026 release.

The AMD GPU has more RT cores (28 versus 20), which suggests better raw ray tracing throughput potential, though no benchmark data confirms this. The NVIDIA part's tensor cores give it a feature that the AMD GPU cannot match for specific workloads. The AMD GPU's larger die (204 mm² versus 159 mm²) and higher TDP indicate it is designed for sustained performance rather than efficiency.

Specification Differences

The two GPUs differ across nearly every recorded specification. The AMD Steam Machine GPU uses the Navi 33 chip with RDNA 3.0 architecture and the "Hotpink Bonefish" codename, while the NVIDIA GeForce RTX 4050 Max-Q uses the AD107 chip with Ada Lovelace architecture and no codename listed. The AMD GPU is a Console GPU (Valve) generation product, while the NVIDIA GPU is a GeForce 40 Mobile product.

Process node: 6 nm for AMD, 5 nm for NVIDIA. Transistors: 13,300 million for AMD, 18,900 million for NVIDIA. Die size: 204 mm² for AMD, 159 mm² for NVIDIA. Transistor density: 65.2M per mm² for AMD, 118.9M per mm² for NVIDIA.

Clocks: AMD base 1720 MHz, boost 2450 MHz, game 2250 MHz, memory 2250 MHz (18 Gbps effective). NVIDIA base 1140 MHz, boost 1605 MHz, no game clock, memory 2000 MHz (16 Gbps effective).

Memory: AMD 8 GB GDDR6 on 128-bit bus with 288.0 GB/s bandwidth. NVIDIA 6 GB GDDR6 on 96-bit bus with 192.0 GB/s bandwidth.

Compute units: AMD has 1792 shading units, 112 TMUs, 64 ROPs, 28 RT cores, no tensor cores. NVIDIA has 2560 shading units, 80 TMUs, 48 ROPs, 20 RT cores, 80 tensor cores.

Rates: AMD pixel rate 156.8 GPixel/s, texture rate 274.4 GTexel/s, FP32 17.56 TFLOPS, FP16 17.56 TFLOPS (1:1). NVIDIA pixel rate 77.04 GPixel/s, texture rate 128.4 GTexel/s, FP32 8.218 TFLOPS, FP16 8.218 TFLOPS (1:1).

Power and form factor: AMD TDP 110 W, no slot width listed, no power connectors, no bus interface, dimensions 156 mm length, 152 mm height, 162 mm width. NVIDIA TDP 35 W, slot width IGP, no power connectors, PCIe 4.0 x8 bus interface, no dimensions listed.

Display outputs: AMD 1x HDMI 2.1a and 1x DisplayPort 2.1. NVIDIA "Portable Device Dependent."

Release dates: AMD June 28, 2026. NVIDIA January 2, 2023. The NVIDIA part has a predecessor (GeForce 30 Mobile) and successor (GeForce 50 Mobile). The AMD part has neither listed. Both share the same production status: Active.

FAQ

Q: Which GPU has higher raw FP32 compute performance?

A: The AMD Steam Machine GPU delivers 17.56 TFLOPS, more than double the NVIDIA RTX 4050 Max-Q's 8.218 TFLOPS.

Q: How do their memory configurations compare?

A: The AMD GPU has 8 GB of GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth. The NVIDIA GPU has 6 GB of GDDR6 on a 96-bit bus with 192.0 GB/s bandwidth.

Q: Which GPU has more shading units?

A: The NVIDIA RTX 4050 Max-Q has 2560 shading units, while the AMD Steam Machine GPU has 1792. The NVIDIA part's higher unit count does not translate into higher TFLOPS due to its lower clock speeds.

Q: What is the power draw difference?

A: The AMD GPU has a TDP of 110 W, while the NVIDIA GPU has a TDP of 35 W. The NVIDIA part draws less than one-third the power of the AMD part.

Q: Do both GPUs support the same APIs?

A: Yes. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: Which GPU has more ray tracing cores?

A: The AMD Steam Machine GPU has 28 RT cores, while the NVIDIA RTX 4050 Max-Q has 20 RT cores. The NVIDIA GPU additionally includes 80 tensor cores, which the AMD GPU does not list.

The Verdict

The data presents a clear split between raw performance and efficiency. The AMD Steam Machine GPU holds the advantage in every compute throughput metric recorded: FP32, FP16, pixel rate, texture rate, memory capacity, memory bandwidth, and clock speeds. Its 17.56 TFLOPS versus 8.218 TFLOPS is a decisive lead. Its 8 GB memory buffer and 288.0 GB/s bandwidth give it more headroom for large assets. For anyone prioritizing maximum frame throughput in traditional rasterization workloads, the AMD GPU is the stronger choice on paper.

The NVIDIA RTX 4050 Max-Q counters with a 35 W TDP, making it suitable for thin-and-light mobile designs where power draw is the limiting factor. It also brings 80 tensor cores, a feature absent from the AMD GPU's specification list, which matters for workloads that use AI acceleration. Its 2560 shading units exceed the AMD GPU's 1792, though the clock deficit negates that advantage in the recorded FLOP figures. The NVIDIA part's 5 nm process and higher transistor density (118.9M per mm² versus 65.2M per mm²) indicate a more modern manufacturing approach.

The release timeline also separates them. The NVIDIA GPU launched in January 2023 and belongs to a product line with a predecessor and successor. The AMD GPU launched in June 2026 as a console-specific part. The AMD GPU's 110 W TDP and discrete card dimensions (156 mm length, 152 mm height, 162 mm width) suggest it is not designed for the same ultraportable segment as the NVIDIA IGP.

The data supports this conclusion: the AMD Steam Machine GPU is the higher-performance part for compute-heavy and memory-intensive workloads, while the NVIDIA RTX 4050 Max-Q is the efficiency-focused mobile part with tensor core support. Neither has recorded benchmark scores, so the final decision depends on whether the use case favors raw throughput or low power consumption. The AMD GPU is the pick for performance, the NVIDIA GPU for portability and AI-accelerated features.