PowerColor Radeon RX 6800 XT vs XFX Radeon R9 390 Double Dissipation Black Edition

VS
PowerColor Radeon RX 6800 XT
PowerColor Radeon RX 6800 XT Image
XFX Radeon R9 390 Double Dissipation Black Edition
XFX Radeon R9 390 Double Dissipation Black Edition Image
PowerColor Radeon RX 6800 XT
XFX Radeon R9 390 Double Dissipation Black Edition
Key Differences Key Differences PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
GPU Base Clock Speed 1825MHz 1050MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 67.2 GPixel/s
GPU Memory Speed 2000MHz 1500MHz
GPU Render Output Units (ROPs) 128 64
No. of Supported Displays 4 6
Performance Performance PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
GPU Base Clock Speed 1825MHz 1050MHz
Pixel Rate 288 GPixel/s 67.2 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 5.38 TFLOPS
GPU Memory Speed 2000MHz 1500MHz
Texture Filter Rate 648 GTexels/s 168 GTexels/s
Total GPU Shading Units 4608 2560
Total GPU TMUs 288 160
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 64
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 6
Multi-GPU Support Count Not Known 4
Miscellaneous Miscellaneous PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
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 PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 6200 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.8mm 295mm
Height 119.8mm 143mm
Memory Memory PowerColor Radeon RX 6800 XT XFX Radeon R9 390 Double Dissipation Black Edition
Effective Memory Clock 16000MHz 6000MHz
Max Memory Bandwidth 512GB/s 384GB/s
RAM 16GB 8GB
Memory Bus Interface Width 256bit 512bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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