Gigabyte GeForce RTX 2080 Ti Gaming OC vs Gainward GeForce GTX 660 Ti Phantom

VS
Gigabyte GeForce RTX 2080 Ti Gaming OC
Gigabyte GeForce RTX 2080 Ti Gaming OC Image
Gainward GeForce GTX 660 Ti Phantom
Gainward GeForce GTX 660 Ti Phantom Image
Gigabyte GeForce RTX 2080 Ti Gaming OC
Gainward GeForce GTX 660 Ti Phantom
Key Differences Key Differences Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
GPU Base Clock Speed 1350MHz 1006MHz
GPU Boost Clock Speed 1650MHz 1084MHz
Pixel Rate 145.2 GPixel/s 28.2 GPixel/s
GPU Memory Speed 1750MHz 1527MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
GPU Base Clock Speed 1350MHz 1006MHz
Pixel Rate 145.2 GPixel/s 28.2 GPixel/s
FLOPS (Floating-point Performance) 14.36 TFLOPS 2.7 TFLOPS
GPU Memory Speed 1750MHz 1527MHz
Texture Filter Rate 448.8 GTexels/s 113 GTexels/s
Total GPU Shading Units 4352 1344
Total GPU TMUs 272 112
GPU Boost Clock Speed 1650MHz 1084MHz
GPU Render Output Units (ROPs) 88 24
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 2 3
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 4692
3DMark Vantage Texture Fill Result Not Known 86.4GTexels/s
GPU Temperature Under Load Not Known 75°C
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Ray Tracing Support Yes No
Idle GPU Temperature Not Known 31°C
Noise Level Under Load Not Known 47.9dB
Power Consumption Under Peak Load Not Known 318W
Idle Power Consumption Not Known 111W
Idle Noise Level Not Known 41.8dB
SmallLuxGPU (2.0d4) Result Not Known 6200
Miscellaneous Miscellaneous Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
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 Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
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 286.5mm 247mm
Height 114.5mm 111mm
Memory Memory Gigabyte GeForce RTX 2080 Ti Gaming OC Gainward GeForce GTX 660 Ti Phantom
Effective Memory Clock 14000MHz 6108MHz
Max Memory Bandwidth 616GB/s 147GB/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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