Gainward GeForce RTX 3090 Phantom GS vs Inno3D GeForce GTX 1660 Twin X2

VS
Gainward GeForce RTX 3090 Phantom GS
Gainward GeForce RTX 3090 Phantom GS Image
Inno3D GeForce GTX 1660 Twin X2
Inno3D GeForce GTX 1660 Twin X2 Image
Gainward GeForce RTX 3090 Phantom GS
Inno3D GeForce GTX 1660 Twin X2
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom GS Inno3D GeForce GTX 1660 Twin X2
GPU Base Clock Speed 1395MHz 1530MHz
GPU Boost Clock Speed 1845MHz 1785MHz
Pixel Rate 206.6 GPixel/s 85.68 GPixel/s
GPU Memory Speed 1219MHz 2001MHz
GPU Render Output Units (ROPs) 112 48
No. of Supported Displays Not Known Not Known
Performance Performance Gainward GeForce RTX 3090 Phantom GS Inno3D GeForce GTX 1660 Twin X2
GPU Base Clock Speed 1395MHz 1530MHz
Pixel Rate 206.6 GPixel/s 85.68 GPixel/s
FLOPS (Floating-point Performance) 38.73 TFLOPS 5.03 TFLOPS
GPU Memory Speed 1219MHz 2001MHz
Texture Filter Rate 605.2 GTexels/s 157.1 GTexels/s
Total GPU Shading Units 10496 1408
Total GPU TMUs 328 88
GPU Boost Clock Speed 1845MHz 1785MHz
GPU Render Output Units (ROPs) 112 48
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3090 Phantom GS Inno3D GeForce GTX 1660 Twin X2
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
GPU Temperature Under Load Not Known 67°C
Ray Tracing Support Yes Yes
Idle GPU Temperature Not Known 30°C
Noise Level Under Load Not Known 44.7dB
Idle Power Consumption Not Known 54W
Idle Noise Level Not Known 38.5dB
Ports Ports Gainward GeForce RTX 3090 Phantom GS Inno3D GeForce GTX 1660 Twin X2
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2
DisplayPort Output 3 3
No. of HDMI Ports 1 1
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phantom GS Inno3D GeForce GTX 1660 Twin X2
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 6600 million
Semiconductor Size 8nm 12nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 196mm
Height 136mm 113mm
Memory Memory Gainward GeForce RTX 3090 Phantom GS Inno3D GeForce GTX 1660 Twin X2
Effective Memory Clock 9750MHz 8004MHz
Max Memory Bandwidth 936GB/s 192GB/s
RAM 24GB 6GB
Memory Bus Interface Width 384bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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