Inno3D GeForce RTX 2080 Ti X2 Gaming OC vs Asus GeForce GTX 660 DirectCU II

VS
Inno3D GeForce RTX 2080 Ti X2 Gaming OC
Inno3D GeForce RTX 2080 Ti X2 Gaming OC Image
Asus GeForce GTX 660 DirectCU II
Asus GeForce GTX 660 DirectCU II Image
Inno3D GeForce RTX 2080 Ti X2 Gaming OC
Asus GeForce GTX 660 DirectCU II
Key Differences Key Differences Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
GPU Base Clock Speed 1350MHz 980MHz
GPU Boost Clock Speed 1590MHz 1033MHz
Pixel Rate 139.9 GPixel/s 19.6 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
GPU Base Clock Speed 1350MHz 980MHz
Pixel Rate 139.9 GPixel/s 19.6 GPixel/s
FLOPS (Floating-point Performance) 13.84 TFLOPS 1.88 TFLOPS
GPU Memory Speed 1750MHz 1502MHz
Texture Filter Rate 432.5 GTexels/s 78.4 GTexels/s
Total GPU Shading Units 4352 960
Total GPU TMUs 272 80
GPU Boost Clock Speed 1590MHz 1033MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 4104
3DMark Vantage Texture Fill Result Not Known 65.3GTexels/s
GPU Temperature Under Load Not Known 72°C
3DMark Vantage Pixel Fill Result Not Known 9.9GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1933
Ray Tracing Support No No
Idle GPU Temperature Not Known 30°C
Noise Level Under Load Not Known 47.4dB
Power Consumption Under Peak Load Not Known 296W
Idle Power Consumption Not Known 110W
Idle Noise Level Not Known 40.8dB
SmallLuxGPU (2.0d4) Result Not Known 5000
Miscellaneous Miscellaneous Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
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 Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 million 2540 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 268mm 216mm
Height 113mm 111mm
Memory Memory Inno3D GeForce RTX 2080 Ti X2 Gaming OC Asus GeForce GTX 660 DirectCU II
Effective Memory Clock 14000MHz 6008MHz
Max Memory Bandwidth 616GB/s 144GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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