Palit GeForce RTX 3080 GamingPro OC vs Nvidia GeForce GTX 660 OEM

VS
Palit GeForce RTX 3080 GamingPro OC
Palit GeForce RTX 3080 GamingPro OC Image
Nvidia GeForce GTX 660 OEM
Nvidia GeForce GTX 660 OEM Image
Palit GeForce RTX 3080 GamingPro OC
Nvidia GeForce GTX 660 OEM
Key Differences Key Differences Palit GeForce RTX 3080 GamingPro OC Nvidia GeForce GTX 660 OEM
GPU Base Clock Speed 1440MHz 823MHz
GPU Boost Clock Speed 1740MHz 888MHz
Pixel Rate 167 GPixel/s 19.8 GPixel/s
GPU Memory Speed 1188MHz Not Known
GPU Render Output Units (ROPs) 96 32
No. of Supported Displays 4 4
Performance Performance Palit GeForce RTX 3080 GamingPro OC Nvidia GeForce GTX 660 OEM
GPU Base Clock Speed 1440MHz 823MHz
Pixel Rate 167 GPixel/s 19.8 GPixel/s
FLOPS (Floating-point Performance) 30.29 TFLOPS 1.9 TFLOPS
GPU Memory Speed 1188MHz Not Known
Texture Filter Rate 473.3 GTexels/s 79 GTexels/s
Total GPU Shading Units 8704 1152
Total GPU TMUs 272 98
GPU Boost Clock Speed 1740MHz 888MHz
GPU Render Output Units (ROPs) 96 32
DPFP (Double Precision Floating Point) Support No No
Features Features Palit GeForce RTX 3080 GamingPro OC Nvidia GeForce GTX 660 OEM
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes No
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 4
Ports Ports Palit GeForce RTX 3080 GamingPro OC Nvidia GeForce GTX 660 OEM
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 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 Palit GeForce RTX 3080 GamingPro OC Nvidia GeForce GTX 660 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 million 3540 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 294mm 241mm
Height 112mm 111mm
Memory Memory Palit GeForce RTX 3080 GamingPro OC Nvidia GeForce GTX 660 OEM
Effective Memory Clock 19000MHz 5600MHz
Max Memory Bandwidth 760GB/s 179GB/s
RAM 10GB 2GB
Memory Bus Interface Width 320bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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