KFA2 GeForce RTX 3090 EX Gamer 1-Click OC vs Gigabyte GeForce GTX 660 Ti WindForce 2X

VS
KFA2 GeForce RTX 3090 EX Gamer 1-Click OC
KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Image
Gigabyte GeForce GTX 660 Ti WindForce 2X
Gigabyte GeForce GTX 660 Ti WindForce 2X Image
KFA2 GeForce RTX 3090 EX Gamer 1-Click OC
Gigabyte GeForce GTX 660 Ti WindForce 2X
Key Differences Key Differences KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Gigabyte GeForce GTX 660 Ti WindForce 2X
GPU Base Clock Speed 1395MHz 941MHz
GPU Boost Clock Speed 1740MHz 1020MHz
Pixel Rate 194.9 GPixel/s 26.3 GPixel/s
GPU Memory Speed 1219MHz 1502MHz
GPU Render Output Units (ROPs) 112 24
No. of Supported Displays Not Known 4
Performance Performance KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Gigabyte GeForce GTX 660 Ti WindForce 2X
GPU Base Clock Speed 1395MHz 941MHz
Pixel Rate 194.9 GPixel/s 26.3 GPixel/s
FLOPS (Floating-point Performance) 36.53 TFLOPS 2.53 TFLOPS
GPU Memory Speed 1219MHz 1502MHz
Texture Filter Rate 570.7 GTexels/s 105 GTexels/s
Total GPU Shading Units 10496 1344
Total GPU TMUs 328 112
GPU Boost Clock Speed 1740MHz 1020MHz
GPU Render Output Units (ROPs) 112 24
DPFP (Double Precision Floating Point) Support No No
Features Features KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Gigabyte GeForce GTX 660 Ti WindForce 2X
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
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 No 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
Multi-GPU Support Count Not Known 3
SmallLuxGPU (2.0d4) Result Not Known 6200
No. of Supported Displays Not Known 4
Ports Ports KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Gigabyte GeForce GTX 660 Ti WindForce 2X
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 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 KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Gigabyte GeForce GTX 660 Ti WindForce 2X
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 million 3540 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 330mm 266mm
Height 142mm 111mm
Memory Memory KFA2 GeForce RTX 3090 EX Gamer 1-Click OC Gigabyte GeForce GTX 660 Ti WindForce 2X
Effective Memory Clock 9750MHz 6008MHz
Max Memory Bandwidth 936GB/s 144GB/s
RAM 24GB 2GB
Memory Bus Interface Width 384bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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