Asus ROG Strix GeForce GTX 1080 Ti OC vs Asus Strix GeForce GTX 980 DirectCU II

VS
Asus ROG Strix GeForce GTX 1080 Ti OC
Asus ROG Strix GeForce GTX 1080 Ti OC Image
Asus Strix GeForce GTX 980 DirectCU II
Asus Strix GeForce GTX 980 DirectCU II Image
Asus ROG Strix GeForce GTX 1080 Ti OC
Asus Strix GeForce GTX 980 DirectCU II
Key Differences Key Differences Asus ROG Strix GeForce GTX 1080 Ti OC Asus Strix GeForce GTX 980 DirectCU II
GPU Base Clock Speed 1569MHz 1127MHz
GPU Boost Clock Speed 1683MHz 1216MHz
Pixel Rate 138.2 GPixel/s 72.1 GPixel/s
GPU Memory Speed 1376MHz 1753MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 5 4
Performance Performance Asus ROG Strix GeForce GTX 1080 Ti OC Asus Strix GeForce GTX 980 DirectCU II
GPU Base Clock Speed 1569MHz 1127MHz
Pixel Rate 138.2 GPixel/s 72.1 GPixel/s
FLOPS (Floating-point Performance) 11.3 TFLOPS 4.62 TFLOPS
Texture Filter Rate 352 GTexels/s 144 GTexels/s
GPU Memory Speed 1376MHz 1753MHz
Total GPU Shading Units 3584 2048
Total GPU TMUs 224 128
GPU Boost Clock Speed 1683MHz 1216MHz
GPU Render Output Units (ROPs) 88 64
DPFP (Double Precision Floating Point) Support Yes No
Features Features Asus ROG Strix GeForce GTX 1080 Ti OC Asus Strix GeForce GTX 980 DirectCU II
DirectX Version Info 12 12
OpenGL Driver Version 4.5 4.5
OpenCL Driver Version 1.2 1.2
3D Support Yes Yes
Multi-GPU Support Count 2 4
Ray Tracing Support Yes No
No. of Supported Displays 5 4
Multi-display Tech Support No Yes
Ports Ports Asus ROG Strix GeForce GTX 1080 Ti OC Asus Strix GeForce GTX 980 DirectCU II
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 3
No. of HDMI Ports 1 Not Known
DVI Output Ports 1 1
Mini DisplayPort Output 0 0
General info General info Asus ROG Strix GeForce GTX 1080 Ti OC Asus Strix GeForce GTX 980 DirectCU II
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 5200 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Air-water Cooling Support No No
Width Size 297.9mm 288.5mm
Height 134.1mm 134.6mm
Dual-GPU Support No No
Memory Memory Asus ROG Strix GeForce GTX 1080 Ti OC Asus Strix GeForce GTX 980 DirectCU II
Effective Memory Clock 11010MHz 7012MHz
Max Memory Bandwidth 484GB/s 224.4GB/s
RAM 11GB 4GB
Memory Bus Interface Width 352bit 256bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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