Product Compare

AMD Radeon HD 7990 vs AMD Radeon Pro 560

GPU GPU
Graphics Card
Release Date Apr 2013 Apr 2017
Generation Southern Islands Radeon Pro Mac
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x8
Clock Speeds
Base Clock 950 MHz
Boost Clock 1000 MHz
Memory Clock 1500 MHz 1270 MHz
Memory
Memory Size 3GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 128bit
Bandwidth 288.0GB/s 81.28GB/s
Render Config
Compute Units 32 16
Shading Units 2048 1024
TMUs 128 64
ROPs 32 16
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 768 KB 1024 KB
Theoretical Performance
Pixel Rate 32.00 GPixel/s 14.51 GPixel/s
Texture Rate 128.0 GTexel/s 58.05 GTexel/s
FP32 (float) 4.096 TFLOPS 1.858 TFLOPS
FP64 (double) 1024 GFLOPS 116.1 GFLOPS
FP16 (half) 1.858 TFLOPS
Graphics Processor
GPU Name Malta Polaris 21
GPU Variant Malta XT(215-0849026) Polaris 21 XT(215-0908004)
Architecture GCN 1.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 4.313 billion 3 billion
Die Size 365 mm² 123 mm²
Board Design
TDP 375W 75W
Suggested PSU 750 W
Outputs 1x DVI4x mini-DisplayPort 1.2 No outputs
Power Connectors 2x 8-pin None
Graphics Features
DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.2
Shader Model 5.1 6.4