NVIDIA GB10 vs NVIDIA B200
GPU · Specs Compare
Graphics Card
Release Date
Oct 2025
Jan 2024
Generation
Server Blackwell
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1665 MHz
700 MHz
Boost Clock
2418 MHz
1965 MHz
Memory Clock
1067 MHz
2000 MHz
Memory
Memory Size
128GB
90GB
Memory Type
LPDDR5X
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
273.2GB/s
4.10TB/s
Render Config
SM Count
48
148
Shading Units
6144
18944
TMUs
384
592
ROPs
48
24
Tensor Cores
384
592
RT Cores
48
—
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
50 MB
50 MB
Theoretical Performance
Pixel Rate
116.1 GPixel/s
47.16 GPixel/s
Texture Rate
928.5 GTexel/s
1163.3 GTexel/s
FP16 (half)
29.71 TFLOPS
1191.2 TFLOPS
FP32 (float)
29.71 TFLOPS
74.45 TFLOPS
FP64 (double)
464.3 GFLOPS
37.22 TFLOPS
Graphics Processor
GPU Name
GB20B
GB100
Architecture
Blackwell 2.0
Blackwell
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
Unknown
104 billion
Die Size
Unknown
Unknown
Board Design
TDP
140W
1000W
Suggested PSU
300 W
1400 W
Outputs
1x HDMI
No outputs
Power Connectors
None
—
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
12.1
10.0
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.