MSI Radeon RX 6800 XT Gaming X Trio vs Nvidia GeForce GTX 645 OEM

VS
MSI Radeon RX 6800 XT Gaming X Trio
MSI Radeon RX 6800 XT Gaming X Trio Image
Nvidia GeForce GTX 645 OEM
Nvidia GeForce GTX 645 OEM Image
MSI Radeon RX 6800 XT Gaming X Trio
Nvidia GeForce GTX 645 OEM
Key Differences Key Differences MSI Radeon RX 6800 XT Gaming X Trio Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1850MHz 823MHz
GPU Boost Clock Speed 2285MHz 888MHz
Pixel Rate 292.5 GPixel/s 9.88 GPixel/s
GPU Memory Speed 2000MHz 1000MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 4 4
Performance Performance MSI Radeon RX 6800 XT Gaming X Trio Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1850MHz 823MHz
Pixel Rate 292.5 GPixel/s 9.88 GPixel/s
FLOPS (Floating-point Performance) 21.06 TFLOPS 0.95 TFLOPS
GPU Memory Speed 2000MHz 1000MHz
Texture Filter Rate 658.1 GTexels/s 39.5 GTexels/s
Total GPU Shading Units 4608 576
Total GPU TMUs 288 48
GPU Boost Clock Speed 2285MHz 888MHz
GPU Render Output Units (ROPs) 128 16
DPFP (Double Precision Floating Point) Support No No
Features Features MSI Radeon RX 6800 XT Gaming X Trio Nvidia GeForce GTX 645 OEM
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2.1 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 2 Not Known
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 MSI Radeon RX 6800 XT Gaming X Trio 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 MSI Radeon RX 6800 XT Gaming X Trio Nvidia GeForce GTX 645 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 2540 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 324mm 145mm
Height 141mm 111mm
Memory Memory MSI Radeon RX 6800 XT Gaming X Trio Nvidia GeForce GTX 645 OEM
Effective Memory Clock 16000MHz 4000MHz
Max Memory Bandwidth 512GB/s 64GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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