Product Compare

NVIDIA RTX 4000 Ada Generation vs NVIDIA Rubin GPU

GPU GPU
Graphics Card
Release Date Aug 2023 Jan 2026
Generation Workstation Ada Server Rubin
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 6.0 x16
Clock Speeds
Base Clock 1500 MHz 700 MHz
Boost Clock 2175 MHz 2267 MHz
Memory Clock 2250 MHz 2695 MHz
Memory
Memory Size 20GB 288GB
Memory Type GDDR6 HBM4
Memory Bus 160bit 16384bit
Bandwidth 360.0GB/s 22.1TB/s
Render Config
SM Count 48 224
Shading Units 6144 28672
TMUs 192 896
ROPs 64 24
Tensor Cores 192 896
RT Cores 48
L1 Cache 128 KB (per SM) 256 KB (per SM)
L2 Cache 48 MB 128 MB
Theoretical Performance
Pixel Rate 139.2 GPixel/s 54.41 GPixel/s
Texture Rate 417.6 GTexel/s 2031.2 GTexel/s
FP16 (half) 26.73 TFLOPS 260.0 TFLOPS
FP32 (float) 26.73 TFLOPS 130.0 TFLOPS
FP64 (double) 417.6 GFLOPS 32.50 TFLOPS
Graphics Processor
GPU Name AD104 GR100
Architecture Ada Lovelace Rubin
Foundry TSMC TSMC
Process Size 5 nm 3 nm
Transistors 35.8 billion 336 billion
Die Size 294 mm² 1456 mm²
Board Design
TDP 130W 2300W
Suggested PSU 300 W 2700 W
Outputs 4x DisplayPort 1.4a No outputs
Power Connectors 1x 16-pin
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.3 N/A
CUDA 8.9 10.7
Shader Model 6.8 N/A