Steam Machine GPU vs Radeon Pro W6800X Duo
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 163 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.85 | no data |
| Power efficiency | 6.84 | no data |
| Architecture | RDNA 2.0 (2020−2025) | RDNA 3.0 (2022−2026) |
| GPU code name | Navi 21 | Navi 33 |
| Market segment | Workstation | Desktop |
| Release date | 3 August 2021 (4 years ago) | 29 June 2026 (recently) |
| Launch price (MSRP) | $4,999 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 3840 ×2 | 1792 |
| Core clock speed | 1800 MHz | 1720 MHz |
| Boost clock speed | 1967 MHz | 2450 MHz |
| Number of transistors | 26,800 million | 13,300 million |
| Manufacturing process technology | 7 nm | 6 nm |
| Power consumption (TDP) | 400 Watt | 110 Watt |
| Texture fill rate | 472.1 ×2 | 274.4 |
| Floating-point processing power | 15.11 TFLOPS ×2 | 17.56 TFLOPS |
| ROPs | 96 ×2 | 64 |
| TMUs | 240 ×2 | 112 |
| Ray Tracing Cores | 60 ×2 | 28 |
| L0 Cache | 960 KB | 448 KB |
| L1 Cache | 768 KB | 512 KB |
| L2 Cache | 4 MB | 2 MB |
| L3 Cache | 128 MB | 32 MB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | Apple MPX | no data |
| Length | 267 mm | 156 mm |
| Width | Quad-slot | no data |
| Supplementary power connectors | None | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR6 | GDDR6 |
| Maximum RAM amount | 32 GB ×2 | 8 GB |
| Memory bus width | 256 Bit ×2 | 128 Bit |
| Memory clock speed | 2000 MHz | 2250 MHz |
| Memory bandwidth | 512.0 GB/s ×2 | 288.0 GB/s |
| Resizable BAR | + | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x HDMI 2.1, 4x Thunderbolt | 1x HDMI 2.1a, 1x DisplayPort 2.1 |
| HDMI | + | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.7 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.2 |
| Vulkan | 1.3 | 1.4 |
Pros & cons summary
| Recency | 3 August 2021 | 29 June 2026 |
| Maximum RAM amount | 32 GB | 8 GB |
| Chip lithography | 7 nm | 6 nm |
| Power consumption (TDP) | 400 Watt | 110 Watt |
Pro W6800X Duo has a 300% higher maximum VRAM amount.
Steam Machine GPU, on the other hand, has an age advantage of 4 years, a 17% more advanced lithography process, and 264% lower power consumption.
We couldn't decide between Radeon Pro W6800X Duo and Steam Machine GPU. We've got no test results to judge.
Be aware that Radeon Pro W6800X Duo is a workstation graphics card while Steam Machine GPU is a desktop one.
Other comparisons
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