Nvidia GeForce RTX 2080 Ti Founders Edition vs Gigabyte GeForce GTX 660 Ti WindForce 2X

VS
Nvidia GeForce RTX 2080 Ti Founders Edition
Nvidia GeForce RTX 2080 Ti Founders Edition Image
Gigabyte GeForce GTX 660 Ti WindForce 2X
Gigabyte GeForce GTX 660 Ti WindForce 2X Image
Nvidia GeForce RTX 2080 Ti Founders Edition
Gigabyte GeForce GTX 660 Ti WindForce 2X
Key Differences Key Differences Nvidia GeForce RTX 2080 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
GPU Base Clock Speed 1350MHz 941MHz
GPU Boost Clock Speed 1635MHz 1020MHz
Pixel Rate 143.9 GPixel/s 26.3 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Nvidia GeForce RTX 2080 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
GPU Base Clock Speed 1350MHz 941MHz
Pixel Rate 143.9 GPixel/s 26.3 GPixel/s
FLOPS (Floating-point Performance) 14.23 TFLOPS 2.53 TFLOPS
Texture Filter Rate 444.7 GTexels/s 105 GTexels/s
GPU Memory Speed 1750MHz 1502MHz
Total GPU Shading Units 4352 1344
Total GPU TMUs 272 112
GPU Boost Clock Speed 1635MHz 1020MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support Yes No
Features Features Nvidia GeForce RTX 2080 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
DirectX Version Info 12.1 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 80°C 75°C
Idle GPU Temperature 31°C 31°C
Noise Level Under Load 47.7dB 47.9dB
3D Support Yes Yes
Idle Power Consumption 85W 111W
Idle Noise Level 40.1dB 41.8dB
Multi-GPU Support Count 3 3
Ray Tracing Support Yes No
PassMark (G3D) Score Not Known 4692
3DMark Vantage Texture Fill Result Not Known 86.4GTexels/s
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Power Consumption Under Peak Load Not Known 318W
No. of Supported Displays 4 4
SmallLuxGPU (2.0d4) Result Not Known 6200
Miscellaneous Miscellaneous Nvidia GeForce RTX 2080 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Nvidia GeForce RTX 2080 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
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 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
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 266.7mm 266mm
Height 115.7mm 111mm
Memory Memory Nvidia GeForce RTX 2080 Ti Founders Edition Gigabyte GeForce GTX 660 Ti WindForce 2X
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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