Product Compare

NVIDIA Rubin GPU vs NVIDIA GeForce RTX 3090

GPU GPU
Graphics Card
Release Date Jan 2026 Sep 2020
Generation Server Rubin GeForce 30
Type Desktop Desktop
Bus Interface PCIe 6.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 700 MHz 1395 MHz
Boost Clock 2267 MHz 1695 MHz
Memory Clock 2695 MHz 1219 MHz
Memory
Memory Size 288GB 24GB
Memory Type HBM4 GDDR6X
Memory Bus 16384bit 384bit
Bandwidth 22.1TB/s 936.2GB/s
Render Config
SM Count 224 82
Shading Units 28672 10496
TMUs 896 328
ROPs 24 112
Tensor Cores 896 328
L1 Cache 256 KB (per SM) 128 KB (per SM)
L2 Cache 128 MB 6 MB
RT Cores 82
Theoretical Performance
Pixel Rate 54.41 GPixel/s 189.8 GPixel/s
Texture Rate 2031.2 GTexel/s 556.0 GTexel/s
FP16 (half) 260.0 TFLOPS 35.58 TFLOPS
FP32 (float) 130.0 TFLOPS 35.58 TFLOPS
FP64 (double) 32.50 TFLOPS 556.0 GFLOPS
Graphics Processor
GPU Name GR100 GA102
Architecture Rubin Ampere
Foundry TSMC Samsung
Process Size 3 nm 8 nm
Transistors 336 billion 28.3 billion
Die Size 1456 mm² 628 mm²
GPU Variant GA102-300-A1
Board Design
TDP 2300W 350W
Suggested PSU 2700 W 750 W
Outputs No outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 12-pin
Graphics Features
DirectX N/A 12 Ultimate (12_2)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.3
CUDA 10.7 8.6
Shader Model N/A 6.6