Product Compare

NVIDIA Rubin GPU vs NVIDIA Tesla P40

GPU GPU
Graphics Card
Release Date Jan 2026 Sep 2016
Generation Server Rubin Tesla Pascal
Type Desktop Professional
Bus Interface PCIe 6.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 700 MHz 1303 MHz
Boost Clock 2267 MHz 1531 MHz
Memory Clock 2695 MHz 1808 MHz
Memory
Memory Size 288GB 24GB
Memory Type HBM4 GDDR5
Memory Bus 16384bit 384bit
Bandwidth 22.1TB/s 347.1GB/s
Render Config
SM Count 224 30
Shading Units 28672 3840
TMUs 896 240
ROPs 24 96
Tensor Cores 896
L1 Cache 256 KB (per SM) 48 KB (per SM)
L2 Cache 128 MB 3 MB
Theoretical Performance
Pixel Rate 54.41 GPixel/s 147.0 GPixel/s
Texture Rate 2031.2 GTexel/s 367.4 GTexel/s
FP16 (half) 260.0 TFLOPS 183.7 GFLOPS
FP32 (float) 130.0 TFLOPS 11.76 TFLOPS
FP64 (double) 32.50 TFLOPS 367.4 GFLOPS
Graphics Processor
GPU Name GR100 GP102
Architecture Rubin Pascal
Foundry TSMC TSMC
Process Size 3 nm 16 nm
Transistors 336 billion 11.8 billion
Die Size 1456 mm² 471 mm²
Board Design
TDP 2300W 250W
Suggested PSU 2700 W 600 W
Outputs No outputs No outputs
Power Connectors 8-pin EPS
Graphics Features
DirectX N/A 12 (12_1)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.3
CUDA 10.7 6.1
Shader Model N/A 6.7