GeForce RTX 5070 GB203 vs Rubin GPU
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 | Rubin (2026−2027) | Blackwell 2.0 (2025−2026) |
| GPU code name | GR100 | GB203 |
| Market segment | Workstation | Desktop |
| Release date | 2026 (recently) | 31 August 2026 (less than a year ago) |
| Launch price (MSRP) | no data | $549 |
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 | 28672 | 6144 |
| Core clock speed | 700 MHz | 2325 MHz |
| Boost clock speed | 2267 MHz | 2512 MHz |
| Number of transistors | 336,000 million | 45.6 billion |
| Manufacturing process technology | 3 nm | 5 nm |
| Power consumption (TDP) | 2300 Watt | 250 Watt |
| Texture fill rate | 2,031.2 | 482.3 |
| Floating-point processing power | 130 TFLOPS | no data |
| ROPs | 24 | 80 |
| TMUs | 896 | 192 |
| Tensor Cores | 896 | 192 |
| Ray Tracing Cores | no data | 48 |
| L1 Cache | 56 MB | 6 MB |
| L2 Cache | 128 MB | 48 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 | PCIe 6.0 x16 | PCIe 5.0 x16 |
| Length | no data | 245 mm |
| Width | SXM Module | 2-slot |
| Supplementary power connectors | no data | 1x 16-pin |
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 | HBM4 | GDDR7 |
| Maximum RAM amount | 288 GB | 12 GB |
| Memory bus width | 16384 Bit | 192 Bit |
| Memory clock speed | 2695 MHz | 1750 MHz |
| Memory bandwidth | 22.1 TB/s | 672.0 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 | No outputs | 1x HDMI 2.1b, 3x DisplayPort 2.1b |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | N/A | 12 Ultimate (12_2) |
| Shader Model | N/A | 6.9 |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | 1.4 |
| CUDA | 10.7 | 12.0 |
| DLSS | + | + |
Pros & cons summary
| Maximum RAM amount | 288 GB | 12 GB |
| Chip lithography | 3 nm | 5 nm |
| Power consumption (TDP) | 2300 Watt | 250 Watt |
Rubin GPU has a 2300% higher maximum VRAM amount, and a 40% more advanced lithography process.
RTX 5070 GB203, on the other hand, has 89% lower power consumption.
We couldn't decide between Rubin GPU and GeForce RTX 5070 GB203. We've got no test results to judge.
Be aware that Rubin GPU is a workstation graphics card while GeForce RTX 5070 GB203 is a desktop one.
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