MSI Radeon RX 6800 vs Nvidia GeForce GTX 645 OEM

VS
MSI Radeon RX 6800
MSI Radeon RX 6800 Image
Nvidia GeForce GTX 645 OEM
Nvidia GeForce GTX 645 OEM Image
MSI Radeon RX 6800
Nvidia GeForce GTX 645 OEM
Key Differences Key Differences MSI Radeon RX 6800 Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1700MHz 823MHz
GPU Boost Clock Speed 2105MHz 888MHz
Pixel Rate 202.1 GPixel/s 9.88 GPixel/s
GPU Memory Speed 2000MHz 1000MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 4
Performance Performance MSI Radeon RX 6800 Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1700MHz 823MHz
Pixel Rate 202.1 GPixel/s 9.88 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 0.95 TFLOPS
GPU Memory Speed 2000MHz 1000MHz
Texture Filter Rate 505.2 GTexels/s 39.5 GTexels/s
Total GPU Shading Units 3840 576
Total GPU TMUs 240 48
GPU Boost Clock Speed 2105MHz 888MHz
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features MSI Radeon RX 6800 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
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 1977
PassMark (DirectCompute) Benchmark Result Not Known 943
Miscellaneous Miscellaneous MSI Radeon RX 6800 Nvidia GeForce GTX 645 OEM
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports MSI Radeon RX 6800 Nvidia GeForce GTX 645 OEM
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 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 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 267mm 145mm
Height 120mm 111mm
Memory Memory MSI Radeon RX 6800 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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