NVIDIA B300
The NVIDIA B300 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 144GB 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
1400W
L1 Cache
256 KB (per SM)
Memory Size
144GB
Memory Type
HBM3e
Bandwidth
4.10TB/s
Shader Model
N/A
Graphics Card
Release Date
Sep 2025
Generation
Server Blackwell
Type
Desktop
Bus Interface
PCIe 5.0 x16
Clock Speeds
Base Clock
1665 MHz
Boost Clock
2032 MHz
Memory Clock
2000 MHz
Memory
Memory Size
144GB
Memory Type
HBM3e
Memory Bus
i
4096bit
Bandwidth
i
4.10TB/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
50 MB
Theoretical Performance
Pixel Rate
i
48.77 GPixel/s
Texture Rate
i
1202.9 GTexel/s
FP16 (half)
i
1231.8 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
104 billion
Die Size
Unknown
Board Design
TDP
1400W
Suggested PSU
1800 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