GB10: specs and benchmarks
Contents
Summary
NVIDIA started GB10 sales 27 August 2025. This is a Blackwell architecture desktop card based on 3 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.
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 (2024−2025) | |
| GPU code name | GB10 | |
| Market segment | Workstation | |
| Release date | 27 August 2025 (less than a year ago) |
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 960 (GeForce GTX 660) |
| Core clock speed | 1665 MHz | of 980 (GeForce GT 755M SLI) |
| Boost clock speed | 2525 MHz | of 1000 (HD Graphics (Haswell)) |
| Manufacturing process technology | 3 nm | of 0.003 MB (Arc Graphics 140V) |
| Texture fill rate | 969.6 | of 1,968.0 (RTX PRO 6000 Blackwell Server) |
| Floating-point processing power | 31.03 TFLOPS | of 126 (RTX PRO 6000 Blackwell Server) |
| ROPs | 48 | of 512 (Moore Threads MTT S4000) |
| TMUs | 384 | of 896 (Data Center GPU Max 1350) |
| Tensor Cores | 384 | of 896 (Data Center GPU Max 1350) |
| Ray Tracing Cores | 48 | of 188 (RTX PRO 6000) |
| L1 Cache | 12 MB | of 64 MB (Data Center GPU Max 1550) |
| 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 288 GB (Radeon Instinct MI325X) |
| Memory bus width | 256 Bit | of 384 (GeForce GTX 980 Ti) |
| Memory clock speed | 1067 MHz | of 16384000 MB (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 273.2 GB/s | of 983040 MB (GeForce RTX 5080) |
| 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 (RTX PRO 5000 Blackwell) |
| OpenCL | 3.0 | |
| Vulkan | N/A | |
| CUDA | 10.1 | |
| DLSS | + |
AMD equivalent
According to our data, the closest AMD alternative to GB10 is Radeon PRO W7700.
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
