Nvidia GeForce GTX 1080 Ti vs AMD Radeon R9 390

VS
Nvidia GeForce GTX 1080 Ti
Nvidia GeForce GTX 1080 Ti Image
AMD Radeon R9 390
AMD Radeon R9 390 Image
Nvidia GeForce GTX 1080 Ti
AMD Radeon R9 390
Key Differences Key Differences Nvidia GeForce GTX 1080 Ti AMD Radeon R9 390
GPU Base Clock Speed 1480MHz 1000MHz
GPU Boost Clock Speed 1582MHz Not Known
Pixel Rate 130.2 GPixel/s 64 GPixel/s
GPU Memory Speed 1376MHz 1500MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 3 6
Performance Performance Nvidia GeForce GTX 1080 Ti AMD Radeon R9 390
GPU Base Clock Speed 1480MHz 1000MHz
Pixel Rate 130.2 GPixel/s 64 GPixel/s
FLOPS (Floating-point Performance) 10.6 TFLOPS 5.12 TFLOPS
GPU Memory Speed 1376MHz 1500MHz
Texture Filter Rate 332 GTexels/s 160 GTexels/s
Total GPU Shading Units 3584 2560
Total GPU TMUs 224 160
GPU Boost Clock Speed 1582MHz Not Known
GPU Render Output Units (ROPs) 88 64
DPFP (Double Precision Floating Point) Support Yes Yes
Features Features Nvidia GeForce GTX 1080 Ti AMD Radeon R9 390
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
OpenCL Driver Version 1.2 2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 4 4
Ray Tracing Support Yes No
No. of Supported Displays 3 6
PassMark (G3D) Score Not Known 6656
Ports Ports Nvidia GeForce GTX 1080 Ti AMD Radeon R9 390
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 1
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Nvidia GeForce GTX 1080 Ti AMD Radeon R9 390
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 6200 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Width Size 266.7mm 275mm
Height 111.2mm Not Known
Dual-GPU Support No No
Air-water Cooling Support No No
Memory Memory Nvidia GeForce GTX 1080 Ti AMD Radeon R9 390
Effective Memory Clock 11008MHz 6000MHz
Max Memory Bandwidth 484GB/s 384GB/s
RAM 11GB 8GB
Memory Bus Interface Width 352bit 512bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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