ASRock Radeon RX 6800 XT vs AMD Radeon R9 390

VS
ASRock Radeon RX 6800 XT
ASRock Radeon RX 6800 XT Image
AMD Radeon R9 390
AMD Radeon R9 390 Image
ASRock Radeon RX 6800 XT
AMD Radeon R9 390
Key Differences Key Differences ASRock Radeon RX 6800 XT AMD Radeon R9 390
GPU Base Clock Speed 1825MHz 1000MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 64 GPixel/s
GPU Memory Speed 2000MHz 1500MHz
GPU Render Output Units (ROPs) 128 64
No. of Supported Displays 4 6
Performance Performance ASRock Radeon RX 6800 XT AMD Radeon R9 390
GPU Base Clock Speed 1825MHz 1000MHz
Pixel Rate 288 GPixel/s 64 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 5.12 TFLOPS
GPU Memory Speed 2000MHz 1500MHz
Texture Filter Rate 648 GTexels/s 160 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 Yes
Features Features ASRock Radeon RX 6800 XT AMD Radeon R9 390
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2 2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 6
PassMark (G3D) Score Not Known 6656
Multi-GPU Support Count Not Known 4
Miscellaneous Miscellaneous ASRock Radeon RX 6800 XT AMD Radeon R9 390
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports ASRock Radeon RX 6800 XT AMD Radeon R9 390
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 1
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info ASRock Radeon RX 6800 XT AMD Radeon R9 390
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 267mm 275mm
Height 120mm Not Known
Memory Memory ASRock Radeon RX 6800 XT AMD Radeon R9 390
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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