Product Compare

AMD Radeon HD 7970 GHz Edition vs AMD Radeon Pro Duo

GPU GPU
Graphics Card
Release Date Jun 2012 Apr 2016
Generation Southern Islands Radeon Pro
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1000 MHz
Boost Clock 1050 MHz
Memory Clock 1500 MHz 500 MHz
Memory
Memory Size 3GB 4GB
Memory Type GDDR5 HBM
Memory Bus 384bit 4096bit
Bandwidth 288.0GB/s 512.0GB/s
Render Config
Compute Units 32 64
Shading Units 2048 4096
TMUs 128 256
ROPs 32 64
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 768 KB 2 MB
Theoretical Performance
Pixel Rate 33.60 GPixel/s 64.00 GPixel/s
Texture Rate 134.4 GTexel/s 256.0 GTexel/s
FP32 (float) 4.301 TFLOPS 8.192 TFLOPS
FP64 (double) 1075 GFLOPS 512.0 GFLOPS
FP16 (half) 8.192 TFLOPS
Graphics Processor
GPU Name Tahiti Capsaicin
GPU Variant Tahiti XT2(215-0821065) Capsaicin XT
Architecture GCN 1.0 GCN 3.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 4.313 billion 8.9 billion
Die Size 352 mm² 596 mm²
Board Design
TDP 300W 350W
Suggested PSU 700 W 750 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 1x HDMI 1.4a3x DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 3x 8-pin
Graphics Features
DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2 1.2
Shader Model 5.1 6.0