NVIDIA Rubin Ultra GPU vs NVIDIA Rubin GPU
GPU · Specs Compare
Graphics Card
Release Date
Jan 2027
Jan 2026
Generation
Server Rubin
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
700 MHz
700 MHz
Boost Clock
2267 MHz
2267 MHz
Memory Clock
1900 MHz
2695 MHz
Memory
Memory Size
1024GB
288GB
Memory Type
HBM4e
HBM4
Memory Bus
32768bit
16384bit
Bandwidth
31.1TB/s
22.1TB/s
Render Config
SM Count
448
224
Shading Units
57344
28672
TMUs
1792
896
ROPs
24
24
Tensor Cores
1792
896
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
128 MB
128 MB
Theoretical Performance
Pixel Rate
54.41 GPixel/s
54.41 GPixel/s
Texture Rate
4062.5 GTexel/s
2031.2 GTexel/s
FP16 (half)
520.0 TFLOPS
260.0 TFLOPS
FP32 (float)
260.0 TFLOPS
130.0 TFLOPS
FP64 (double)
65.00 TFLOPS
32.50 TFLOPS
Graphics Processor
GPU Name
GR110
GR100
Architecture
Rubin Ultra
Rubin
Foundry
TSMC
TSMC
Process Size
3 nm
3 nm
Transistors
670 billion
336 billion
Die Size
2912 mm²
1456 mm²
Board Design
TDP
3600W
2300W
Suggested PSU
4000 W
2700 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
10.7
Shader Model
N/A
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.