Zotac GeForce RTX 2080 Ti X-Gaming OC vs Nvidia GeForce GTX 660 OEM

VS
Zotac GeForce RTX 2080 Ti X-Gaming OC
Zotac GeForce RTX 2080 Ti X-Gaming OC Image
Nvidia GeForce GTX 660 OEM
Nvidia GeForce GTX 660 OEM Image
Zotac GeForce RTX 2080 Ti X-Gaming OC
Nvidia GeForce GTX 660 OEM
Key Differences Key Differences Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
GPU Base Clock Speed 1350MHz 823MHz
GPU Boost Clock Speed 1605MHz 888MHz
Pixel Rate 138.6 GPixel/s 19.8 GPixel/s
GPU Memory Speed 1750MHz Not Known
GPU Render Output Units (ROPs) 88 32
No. of Supported Displays 4 4
Performance Performance Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
GPU Base Clock Speed 1350MHz 823MHz
Pixel Rate 138.6 GPixel/s 19.8 GPixel/s
FLOPS (Floating-point Performance) 13.71 TFLOPS 1.9 TFLOPS
GPU Memory Speed 1750MHz Not Known
Texture Filter Rate 428.4 GTexels/s 79 GTexels/s
Total GPU Shading Units 4352 1152
GPU Boost Clock Speed 1605MHz 888MHz
GPU Render Output Units (ROPs) 88 32
Total GPU TMUs Not Known 98
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes No
3D Support Yes Yes
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 4
Ray Tracing Support No No
Miscellaneous Miscellaneous Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
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 Not Known
General info General info Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 million 3540 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 311mm 241mm
Height 115mm 111mm
Memory Memory Zotac GeForce RTX 2080 Ti X-Gaming OC Nvidia GeForce GTX 660 OEM
Effective Memory Clock 14000MHz 5600MHz
Max Memory Bandwidth 616GB/s 179GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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