NVIDIA B300 SXM6 AC
The NVIDIA B300 SXM6 AC is a desktop-class GPU manufactured by NVIDIA, built on NVIDIA's officially announced 5 nm process technology, released in September 2025. This graphics card is equipped with 288GB HBM3e memory, suitable for gaming and professional graphics applications.
Process Size
5 nm
Tensor Cores
592
Boost Clock
2032 MHz
Base Clock
1665 MHz
TDP
1100W
L1 Cache
256 KB (per SM)
Memory Size
288GB
Memory Type
HBM3e
Bandwidth
8.19TB/s
Shader Model
N/A
Graphics Card
Release Date
Sep 2025
Generation
Server Blackwell
Type
Desktop
Bus Interface
PCIe 6.0 x16
Clock Speeds
Base Clock
1665 MHz
Boost Clock
2032 MHz
Memory Clock
2000 MHz
Memory
Memory Size
288GB
Memory Type
HBM3e
Memory Bus
i
8192bit
Bandwidth
i
8.19TB/s
Render Config
SM Count
i
148
Shading Units
i
18944
TMUs
i
592
ROPs
i
24
Tensor Cores
i
592
L1 Cache
256 KB (per SM)
L2 Cache
126 MB
Theoretical Performance
Pixel Rate
i
48.77 GPixel/s
Texture Rate
i
1202.9 GTexel/s
FP16 (half)
i
76.99 TFLOPS
FP32 (float)
i
76.99 TFLOPS
FP64 (double)
i
1202.9 GFLOPS
Graphics Processor
GPU Name
GB110
Architecture
Blackwell Ultra
Foundry
TSMC
Process Size
5 nm
Transistors
208 billion
Die Size
1628 mm²
Board Design
TDP
1100W
Suggested PSU
1500 W
Outputs
No outputs
Graphics Features
DirectX
N/A
OpenGL
N/A
OpenCL
3.0
Vulkan
i
N/A
CUDA
10.3
Shader Model
N/A