Nvidia GeForce GTX 1080 Ti vs Gigabyte Radeon R9 390 G1 Gaming

VS
Nvidia GeForce GTX 1080 Ti
Nvidia GeForce GTX 1080 Ti Image
Gigabyte Radeon R9 390 G1 Gaming
Gigabyte Radeon R9 390 G1 Gaming Image
Nvidia GeForce GTX 1080 Ti
Gigabyte Radeon R9 390 G1 Gaming
Key Differences Key Differences Nvidia GeForce GTX 1080 Ti Gigabyte Radeon R9 390 G1 Gaming
GPU Base Clock Speed 1480MHz 1025MHz
GPU Boost Clock Speed 1582MHz Not Known
Pixel Rate 130.2 GPixel/s 65.6 GPixel/s
GPU Memory Speed 1376MHz 1500MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 3 4
Performance Performance Nvidia GeForce GTX 1080 Ti Gigabyte Radeon R9 390 G1 Gaming
GPU Base Clock Speed 1480MHz 1025MHz
Pixel Rate 130.2 GPixel/s 65.6 GPixel/s
FLOPS (Floating-point Performance) 10.6 TFLOPS 5.25 TFLOPS
GPU Memory Speed 1376MHz 1500MHz
Texture Filter Rate 332 GTexels/s 164 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 No
Features Features Nvidia GeForce GTX 1080 Ti Gigabyte Radeon R9 390 G1 Gaming
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
OpenCL Driver Version 1.2 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 4 Not Known
Ray Tracing Support Yes No
No. of Supported Displays 3 4
Ports Ports Nvidia GeForce GTX 1080 Ti Gigabyte Radeon R9 390 G1 Gaming
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Nvidia GeForce GTX 1080 Ti Gigabyte Radeon R9 390 G1 Gaming
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 243mm
Height 111.2mm 114mm
Dual-GPU Support No No
Air-water Cooling Support No No
Memory Memory Nvidia GeForce GTX 1080 Ti Gigabyte Radeon R9 390 G1 Gaming
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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