Asus GeForce ROG Strix RTX 2080 Ti Gaming vs Asus GeForce GTX 660 DirectCU II OC

VS
Asus GeForce ROG Strix RTX 2080 Ti Gaming
Asus GeForce ROG Strix RTX 2080 Ti Gaming Image
Asus GeForce GTX 660 DirectCU II OC
Asus GeForce GTX 660 DirectCU II OC Image
Asus GeForce ROG Strix RTX 2080 Ti Gaming
Asus GeForce GTX 660 DirectCU II OC
Key Differences Key Differences Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
GPU Base Clock Speed 1350MHz 1020MHz
GPU Boost Clock Speed 1545MHz 1084MHz
Pixel Rate 136 GPixel/s 20.4 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
GPU Base Clock Speed 1350MHz 1020MHz
Pixel Rate 136 GPixel/s 20.4 GPixel/s
FLOPS (Floating-point Performance) 13.45 TFLOPS 1.96 TFLOPS
Texture Filter Rate 420.2 GTexels/s 81.6 GTexels/s
GPU Memory Speed 1750MHz 1502MHz
Total GPU Shading Units 4352 960
Total GPU TMUs 272 80
GPU Boost Clock Speed 1545MHz 1084MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 72°C
Idle GPU Temperature 31°C 30°C
3D Support Yes Yes
Noise Level Under Load 47.5dB 47.4dB
Idle Noise Level 41.5dB 40.8dB
Idle Power Consumption 54W 110W
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
3DMark Vantage Pixel Fill Result Not Known 9.9GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1933
Ray Tracing Support No No
Power Consumption Under Peak Load Not Known 296W
SmallLuxGPU (2.0d4) Result Not Known 5000
Miscellaneous Miscellaneous Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 2 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
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 304.7mm 259mm
Height 130.4mm 111mm
Memory Memory Asus GeForce ROG Strix RTX 2080 Ti Gaming Asus GeForce GTX 660 DirectCU II OC
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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