Nvidia GeForce RTX 2080 Founders Edition vs Gainward GeForce GTX 660 GS

VS
Nvidia GeForce RTX 2080 Founders Edition
Nvidia GeForce RTX 2080 Founders Edition Image
Gainward GeForce GTX 660 GS
Gainward GeForce GTX 660 GS Image
Nvidia GeForce RTX 2080 Founders Edition
Gainward GeForce GTX 660 GS
Key Differences Key Differences Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
GPU Base Clock Speed 1515MHz 1006MHz
GPU Boost Clock Speed 1800MHz 1072MHz
Pixel Rate 115.2 GPixel/s 20.1 GPixel/s
GPU Memory Speed 1750MHz 1527MHz
GPU Render Output Units (ROPs) 64 24
No. of Supported Displays 4 4
Performance Performance Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
GPU Base Clock Speed 1515MHz 1006MHz
Pixel Rate 115.2 GPixel/s 20.1 GPixel/s
FLOPS (Floating-point Performance) 10.6 TFLOPS 1.93 TFLOPS
Texture Filter Rate 331.2 GTexels/s 80.5 GTexels/s
GPU Memory Speed 1750MHz 1527MHz
Total GPU Shading Units 2944 960
Total GPU TMUs 184 80
GPU Boost Clock Speed 1800MHz 1072MHz
GPU Render Output Units (ROPs) 64 24
DPFP (Double Precision Floating Point) Support Yes No
Features Features Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
DirectX Version Info 12.1 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 1.2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 72°C
3D Support Yes Yes
Noise Level Under Load 47.9dB 47.4dB
Multi-GPU Support Count 3 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
Idle GPU Temperature Not Known 30°C
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 Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
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 Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 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 266.7mm 180mm
Height 115.7mm 111mm
Memory Memory Nvidia GeForce RTX 2080 Founders Edition Gainward GeForce GTX 660 GS
Effective Memory Clock 14000MHz 6108MHz
Max Memory Bandwidth 448GB/s 147GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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