NVIDIA B200 SXM6 vs NVIDIA Rubin Ultra GPU
GPU Specs Compare
Graphics Card
Release Date
Nov 2024
Jan 2027
Generation
Server Blackwell
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
120 MHz
700 MHz
Boost Clock
1830 MHz
2267 MHz
Memory Clock
2000 MHz
1900 MHz
Memory
Memory Size
180GB
1024GB
Memory Type
HBM3e
HBM4e
Memory Bus
8192bit
32768bit
Bandwidth
8.19TB/s
31.1TB/s
Render Config
SM Count
148
448
Shading Units
18944
57344
TMUs
592
1792
ROPs
24
24
Tensor Cores
592
1792
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
126 MB
128 MB
Theoretical Performance
Pixel Rate
43.92 GPixel/s
54.41 GPixel/s
Texture Rate
1083.4 GTexel/s
4062.5 GTexel/s
FP16 (half)
1109.4 TFLOPS
520.0 TFLOPS
FP32 (float)
69.34 TFLOPS
260.0 TFLOPS
FP64 (double)
34.67 TFLOPS
65.00 TFLOPS
Graphics Processor
GPU Name
GB100
GR110
GPU Variant
GB100-886N-A1
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Architecture
Blackwell
Rubin Ultra
Foundry
TSMC
TSMC
Process Size
5 nm
3 nm
Transistors
208 billion
670 billion
Die Size
1628 mm²
2912 mm²
Board Design
TDP
1000W
3600W
Suggested PSU
1400 W
4000 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
10.7
Shader Model
N/A
N/A