GB10: specs and benchmarks
Contents
Summary
NVIDIA started GB10 sales 15 October 2025 at a recommended price of $3,999. This is a Blackwell 2.0 architecture desktop card based on 5 nm manufacturing process and primarily aimed at designers. 128 GB of LPDDR5X memory clocked at 1.07 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 273.2 GB/s.
Compatibility-wise, this is an integrated graphics card. Its manufacturer default version has a length of 150 mm. No additional power connector is required, and power consumption is at 140 Watt.
Primary details
Some basic facts about GB10: architecture, market segment, release date etc.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Architecture | Blackwell 2.0 (2025−2026) | |
| GPU code name | GB20B | |
| Market segment | Workstation | |
| Release date | 15 October 2025 (less than a year ago) | |
| Launch price (MSRP) | $3,999 | of 34,999 (B200 SXM6) |
Detailed specifications
GB10's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GB10's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 6144 | of 57344 (Rubin Ultra GPU) |
| Core clock speed | 1665 MHz | of 2670 MHz (Arc B580) |
| Boost clock speed | 2418 MHz | of 3130 MHz (Radeon RX 9060 XT 16 GB) |
| Manufacturing process technology | 5 nm | of 2 nm (Radeon Instinct MI455X) |
| Power consumption (TDP) | 140 Watt | of 3600 Watt (Rubin Ultra GPU) |
| Texture fill rate | 928.5 | of 4,062.5 (Rubin Ultra GPU) |
| Floating-point processing power | 29.71 TFLOPS | of 260 (Rubin Ultra GPU) |
| ROPs | 48 | of 512 (Moore Threads MTT S4000) |
| TMUs | 384 | of 1792 (Rubin Ultra GPU) |
| Tensor Cores | 384 | of 1792 (Rubin Ultra GPU) |
| Ray Tracing Cores | 48 | of 188 (RTX PRO 6000 Blackwell Server) |
| L1 Cache | 6 MB | of 112 MB (Rubin Ultra GPU) |
| L2 Cache | 50 MB | of 408 MB (Data Center GPU Max 1350) |
Form factor & compatibility
This section provides details about the physical dimensions of GB10 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCIe 5.0 x16 | |
| Length | 150 mm | |
| Width | IGP | |
| Supplementary power connectors | None |
VRAM capacity and type
Parameters of memory installed on GB10: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | LPDDR5X | |
| Maximum RAM amount | 128 GB | of 432 GB (Radeon Instinct MI455X) |
| Memory bus width | 256 Bit | of 32768 Bit (Rubin Ultra GPU) |
| Memory clock speed | 1067 MHz | of 16000 GB/s (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 273.2 GB/s | of 3,277 GB/s (Radeon Instinct MI250X) |
| Resizable BAR | + |
Connectivity and outputs
Types and number of video connectors present on GB10. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | 1x HDMI | |
| HDMI | + |
API and SDK support
APIs supported by GB10, sometimes including their particular versions.
| DirectX | N/A | |
| Shader Model | N/A | |
| OpenGL | N/A | of 4.6 (GeForce RTX 5090 D) |
| OpenCL | 3.0 | |
| Vulkan | N/A | |
| CUDA | 12.1 | |
| DLSS | + |
Benchmark performance
Synthetic benchmark performance of GB10. The combined score is measured on a 0-100 point scale.
GeekBench 5 OpenCL
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.
Send your test results of GB10.
AMD equivalent
According to our data, the closest AMD alternative to GB10 is Radeon Pro W6900X.
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with GB10 according to our statistics.
