Gainward GeForce RTX 3090 Phantom vs Gainward GeForce GTX 1660 Pegasus OC

VS
Gainward GeForce RTX 3090 Phantom
Gainward GeForce RTX 3090 Phantom Image
Gainward GeForce GTX 1660 Pegasus OC
Gainward GeForce GTX 1660 Pegasus OC Image
Gainward GeForce RTX 3090 Phantom
Gainward GeForce GTX 1660 Pegasus OC
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom Gainward GeForce GTX 1660 Pegasus OC
GPU Base Clock Speed 1395MHz 1530MHz
GPU Boost Clock Speed 1740MHz 1830MHz
Pixel Rate 194.9 GPixel/s 87.84 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 Gainward GeForce GTX 1660 Pegasus OC
GPU Base Clock Speed 1395MHz 1530MHz
Pixel Rate 194.9 GPixel/s 87.84 GPixel/s
FLOPS (Floating-point Performance) 36.53 TFLOPS 5.15 TFLOPS
GPU Memory Speed 1219MHz 2001MHz
Texture Filter Rate 570.7 GTexels/s 161 GTexels/s
Total GPU Shading Units 10496 1408
Total GPU TMUs 328 88
GPU Boost Clock Speed 1740MHz 1830MHz
GPU Render Output Units (ROPs) 112 48
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3090 Phantom Gainward GeForce GTX 1660 Pegasus OC
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
Ray Tracing Support Yes Yes
Ports Ports Gainward GeForce RTX 3090 Phantom Gainward GeForce GTX 1660 Pegasus OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2
DisplayPort Output 3 1
No. of HDMI Ports 1 1
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phantom Gainward GeForce GTX 1660 Pegasus OC
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 168mm
Height 136mm 126mm
Memory Memory Gainward GeForce RTX 3090 Phantom Gainward GeForce GTX 1660 Pegasus OC
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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