Product Compare

NVIDIA Rubin GPU vs AMD Radeon R9 390 X2

GPU GPU
Graphics Card
Release Date Jan 2026 Sep 2015
Generation Server Rubin Pirate Islands
Type Desktop Desktop
Bus Interface PCIe 6.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 700 MHz
Boost Clock 2267 MHz
Memory Clock 2695 MHz 1350 MHz
Memory
Memory Size 288GB 8GB
Memory Type HBM4 GDDR5
Memory Bus 16384bit 512bit
Bandwidth 22.1TB/s 345.6GB/s
Render Config
SM Count 224
Shading Units 28672 2560
TMUs 896 160
ROPs 24 64
Tensor Cores 896
L1 Cache 256 KB (per SM) 16 KB (per CU)
L2 Cache 128 MB 1024 KB
Compute Units 40
Theoretical Performance
Pixel Rate 54.41 GPixel/s 64.00 GPixel/s
Texture Rate 2031.2 GTexel/s 160.0 GTexel/s
FP16 (half) 260.0 TFLOPS
FP32 (float) 130.0 TFLOPS 5.120 TFLOPS
FP64 (double) 32.50 TFLOPS 640.0 GFLOPS
Graphics Processor
GPU Name GR100 Grenada
Architecture Rubin GCN 2.0
Foundry TSMC TSMC
Process Size 3 nm 28 nm
Transistors 336 billion 6.2 billion
Die Size 1456 mm² 438 mm²
GPU Variant Grenada PRO(215-0880030)
Board Design
TDP 2300W 580W
Suggested PSU 2700 W 950 W
Outputs No outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 4x 8-pin
Graphics Features
DirectX N/A 12 (12_0)
OpenGL N/A 4.6
OpenCL 3.0 2.0
Vulkan N/A 1.2
CUDA 10.7
Shader Model N/A 6.3