Gainward GeForce RTX 2080 Ti Phoenix vs Galaxy GeForce GTX 660 Ti GC

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Gainward GeForce RTX 2080 Ti Phoenix
Gainward GeForce RTX 2080 Ti Phoenix Image
Galaxy GeForce GTX 660 Ti GC
Galaxy GeForce GTX 660 Ti GC Image
Gainward GeForce RTX 2080 Ti Phoenix
Galaxy GeForce GTX 660 Ti GC
Key Differences Key Differences Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
GPU Base Clock Speed 1350MHz 1006MHz
GPU Boost Clock Speed 1650MHz 1084MHz
Pixel Rate 138.6 GPixel/s 28.2 GPixel/s
GPU Memory Speed 1750MHz 1502MHz
GPU Render Output Units (ROPs) 88 24
No. of Supported Displays 4 4
Performance Performance Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
GPU Base Clock Speed 1350MHz 1006MHz
Pixel Rate 138.6 GPixel/s 28.2 GPixel/s
FLOPS (Floating-point Performance) 13.71 TFLOPS 2.7 TFLOPS
Texture Filter Rate 428.4 GTexels/s 113 GTexels/s
GPU Memory Speed 1750MHz 1502MHz
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
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Features Features Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 75°C
Idle GPU Temperature 31°C 31°C
3D Support Yes Yes
Noise Level Under Load 47.5dB 47.9dB
Idle Noise Level 41.5dB 41.8dB
Idle Power Consumption 54W 111W
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
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Ray Tracing Support No No
Power Consumption Under Peak Load Not Known 318W
SmallLuxGPU (2.0d4) Result Not Known 6200
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Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
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
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General info General info Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
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 292mm 254mm
Height 112mm 111mm
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Memory Memory Gainward GeForce RTX 2080 Ti Phoenix Galaxy GeForce GTX 660 Ti GC
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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