Steam Machine GPU vs Zhongshan Subor Z+
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 5.0 (2017−2020) | RDNA 3.0 (2022−2026) |
| GPU code name | Fenghuang | Navi 33 |
| Market segment | Laptop | Desktop |
| Release date | 3 August 2018 (7 years ago) | 2026 |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 1536 | 1792 |
| Core clock speed | 1300 MHz | 1720 MHz |
| Boost clock speed | no data | 2450 MHz |
| Number of transistors | no data | 13,300 million |
| Manufacturing process technology | 14 nm | 6 nm |
| Power consumption (TDP) | 100 Watt | 110 Watt |
| Texture fill rate | 124.8 | 274.4 |
| Floating-point processing power | 3.994 TFLOPS | 17.56 TFLOPS |
| ROPs | 32 | 64 |
| TMUs | 96 | 112 |
| Ray Tracing Cores | no data | 28 |
| L0 Cache | no data | 448 KB |
| L1 Cache | no data | 512 KB |
| L2 Cache | no data | 2 MB |
| L3 Cache | no data | 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 | IGP | no data |
| Length | no data | 156 mm |
| Supplementary power connectors | no data | 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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 8 GB | 8 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 1200 MHz | 2250 MHz |
| Memory bandwidth | 153.6 GB/s | 288.0 GB/s |
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 | No outputs | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| Shader Model | 6.2 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.2 |
| Vulkan | 1.2.131 | 1.4 |
Pros & cons summary
| Chip lithography | 14 nm | 6 nm |
| Power consumption (TDP) | 100 Watt | 110 Watt |
Zhongshan Subor Z+ has 10% lower power consumption.
Steam Machine GPU, on the other hand, has a 133.3% more advanced lithography process.
We couldn't decide between Zhongshan Subor Z+ and Steam Machine GPU. We've got no test results to judge.
Be aware that Zhongshan Subor Z+ is a notebook graphics card while Steam Machine GPU is a desktop one.
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