NVIDIA B200 vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Jan 2024
Sep 2025
Generation
Server Blackwell
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
700 MHz
1665 MHz
Boost Clock
1965 MHz
2032 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
90GB
144GB
Memory Type
HBM3e
HBM3e
Memory Bus
4096bit
4096bit
Bandwidth
4.10TB/s
4.10TB/s
Render Config
SM Count
148
148
Shading Units
18944
18944
TMUs
592
592
ROPs
24
24
Tensor Cores
592
592
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
50 MB
50 MB
Theoretical Performance
Pixel Rate
47.16 GPixel/s
48.77 GPixel/s
Texture Rate
1163.3 GTexel/s
1202.9 GTexel/s
FP16 (half)
1191.2 TFLOPS
1231.8 TFLOPS
FP32 (float)
74.45 TFLOPS
76.99 TFLOPS
FP64 (double)
37.22 TFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
GB100
GB110
Architecture
Blackwell
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
104 billion
104 billion
Die Size
Unknown
Unknown
Board Design
TDP
1000W
1400W
Suggested PSU
1400 W
1800 W
Outputs
No outputs
No outputs
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
10.0
10.3
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.