Gainward GeForce RTX 3060 Ti Phoenix GS vs Nvidia GeForce GTX 645 OEM

VS
Gainward GeForce RTX 3060 Ti Phoenix GS
Gainward GeForce RTX 3060 Ti Phoenix GS Image
Nvidia GeForce GTX 645 OEM
Nvidia GeForce GTX 645 OEM Image
Gainward GeForce RTX 3060 Ti Phoenix GS
Nvidia GeForce GTX 645 OEM
Key Differences Key Differences Gainward GeForce RTX 3060 Ti Phoenix GS Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1410MHz 823MHz
GPU Boost Clock Speed 1800MHz 888MHz
Pixel Rate 144 GPixel/s 9.88 GPixel/s
GPU Memory Speed 1750MHz 1000MHz
GPU Render Output Units (ROPs) 80 16
No. of Supported Displays 4 4
Performance Performance Gainward GeForce RTX 3060 Ti Phoenix GS Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1410MHz 823MHz
Pixel Rate 144 GPixel/s 9.88 GPixel/s
FLOPS (Floating-point Performance) 17.51 TFLOPS 0.95 TFLOPS
GPU Memory Speed 1750MHz 1000MHz
Texture Filter Rate 273.6 GTexels/s 39.5 GTexels/s
Total GPU Shading Units 4864 576
Total GPU TMUs 152 48
GPU Boost Clock Speed 1800MHz 888MHz
GPU Render Output Units (ROPs) 80 16
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3060 Ti Phoenix GS Nvidia GeForce GTX 645 OEM
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
Ray Tracing Support Yes No
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 1977
PassMark (DirectCompute) Benchmark Result Not Known 943
Ports Ports Gainward GeForce RTX 3060 Ti Phoenix GS Nvidia GeForce GTX 645 OEM
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 Gainward GeForce RTX 3060 Ti Phoenix GS Nvidia GeForce GTX 645 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 17400 million 2540 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 294mm 145mm
Height 112mm 111mm
Memory Memory Gainward GeForce RTX 3060 Ti Phoenix GS Nvidia GeForce GTX 645 OEM
Effective Memory Clock 14000MHz 4000MHz
Max Memory Bandwidth 448GB/s 64GB/s
RAM 8GB 1GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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