Asus Radeon RX 6800 XT vs Nvidia GeForce GTX 660 OEM

VS
Asus Radeon RX 6800 XT
Asus Radeon RX 6800 XT Image
Nvidia GeForce GTX 660 OEM
Nvidia GeForce GTX 660 OEM Image
Asus Radeon RX 6800 XT
Nvidia GeForce GTX 660 OEM
Key Differences Key Differences Asus Radeon RX 6800 XT Nvidia GeForce GTX 660 OEM
GPU Base Clock Speed 1825MHz 823MHz
GPU Boost Clock Speed 2250MHz 888MHz
Pixel Rate 288 GPixel/s 19.8 GPixel/s
GPU Memory Speed 2000MHz Not Known
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 4
Performance Performance Asus Radeon RX 6800 XT Nvidia GeForce GTX 660 OEM
GPU Base Clock Speed 1825MHz 823MHz
Pixel Rate 288 GPixel/s 19.8 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 1.9 TFLOPS
GPU Memory Speed 2000MHz Not Known
Texture Filter Rate 648 GTexels/s 79 GTexels/s
Total GPU Shading Units 4608 1152
Total GPU TMUs 288 98
GPU Boost Clock Speed 2250MHz 888MHz
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No No
Features Features Asus Radeon RX 6800 XT 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
Miscellaneous Miscellaneous Asus Radeon RX 6800 XT Nvidia GeForce GTX 660 OEM
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Asus Radeon RX 6800 XT Nvidia GeForce GTX 660 OEM
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 Not Known
General info General info Asus Radeon RX 6800 XT Nvidia GeForce GTX 660 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 3540 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.7mm 241mm
Height 119.8mm 111mm
Memory Memory Asus Radeon RX 6800 XT Nvidia GeForce GTX 660 OEM
Effective Memory Clock 16000MHz 5600MHz
Max Memory Bandwidth 512GB/s 179GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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