Product Compare

AMD Radeon HD 7970 vs NVIDIA Rubin GPU

GPU GPU
Graphics Card
Release Date Jan 2012 Jan 2026
Generation Southern Islands Server Rubin
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 6.0 x16
Clock Speeds
Memory Clock 1375 MHz 2695 MHz
Base Clock 700 MHz
Boost Clock 2267 MHz
Memory
Memory Size 3GB 288GB
Memory Type GDDR5 HBM4
Memory Bus 384bit 16384bit
Bandwidth 264.0GB/s 22.1TB/s
Render Config
Compute Units 32
Shading Units 2048 28672
TMUs 128 896
ROPs 32 24
L1 Cache 16 KB (per CU) 256 KB (per SM)
L2 Cache 768 KB 128 MB
SM Count 224
Tensor Cores 896
Theoretical Performance
Pixel Rate 29.60 GPixel/s 54.41 GPixel/s
Texture Rate 118.4 GTexel/s 2031.2 GTexel/s
FP32 (float) 3.789 TFLOPS 130.0 TFLOPS
FP64 (double) 947.2 GFLOPS 32.50 TFLOPS
FP16 (half) 260.0 TFLOPS
Graphics Processor
GPU Name Tahiti GR100
GPU Variant Tahiti XT(215-0821060)
Architecture GCN 1.0 Rubin
Foundry TSMC TSMC
Process Size 28 nm 3 nm
Transistors 4.313 billion 336 billion
Die Size 352 mm² 1456 mm²
Board Design
TDP 250W 2300W
Suggested PSU 600 W 2700 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin + 1x 8-pin
Graphics Features
DirectX 12 (11_1) N/A
OpenGL 4.6 N/A
OpenCL 2.1 (1.2) 3.0
Vulkan 1.2.170 N/A
Shader Model 6.5 (5.1) N/A
CUDA 10.7