NVIDIA Rubin Ultra GPU vs NVIDIA B200 SXM 192 GB
GPU · Specs Compare
Graphics Card
Release Date
Jan 2027
Jan 2024
Generation
Server Rubin
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
700 MHz
1665 MHz
Boost Clock
2267 MHz
1837 MHz
Memory Clock
1900 MHz
2000 MHz
Memory
Memory Size
1024GB
96GB
Memory Type
HBM4e
HBM3e
Memory Bus
32768bit
4096bit
Bandwidth
31.1TB/s
4.10TB/s
Render Config
SM Count
448
132
Shading Units
57344
16896
TMUs
1792
528
ROPs
24
24
Tensor Cores
1792
528
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
128 MB
50 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
44.09 GPixel/s
Texture Rate
4062.5 GTexel/s
969.9 GTexel/s
FP16 (half)
520.0 TFLOPS
248.3 TFLOPS
FP32 (float)
260.0 TFLOPS
62.08 TFLOPS
FP64 (double)
65.00 TFLOPS
31.04 TFLOPS
Graphics Processor
GPU Name
GR110
GB100
Architecture
Rubin Ultra
Blackwell
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
670 billion
104 billion
Die Size
2912 mm²
Unknown
Board Design
TDP
3600W
1000W
Suggested PSU
4000 W
1400 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
10.7
10.0
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.