PowerColor Red Dragon Radeon RX 6800 XT vs Gigabyte Radeon R9 390 WindForce 2X

VS
PowerColor Red Dragon Radeon RX 6800 XT
PowerColor Red Dragon Radeon RX 6800 XT Image
Gigabyte Radeon R9 390 WindForce 2X
Gigabyte Radeon R9 390 WindForce 2X Image
PowerColor Red Dragon Radeon RX 6800 XT
Gigabyte Radeon R9 390 WindForce 2X
Key Differences Key Differences PowerColor Red Dragon Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
GPU Base Clock Speed 1900MHz 1000MHz
GPU Boost Clock Speed 2310MHz Not Known
Pixel Rate 299.5 GPixel/s Not Known
GPU Memory Speed 2000MHz Not Known
GPU Render Output Units (ROPs) 128 64
No. of Supported Displays 4 4
Performance Performance PowerColor Red Dragon Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
GPU Base Clock Speed 1900MHz 1000MHz
Pixel Rate 299.5 GPixel/s Not Known
FLOPS (Floating-point Performance) 21.57 TFLOPS Not Known
GPU Memory Speed 2000MHz Not Known
Texture Filter Rate 673.9 GTexels/s Not Known
Total GPU Shading Units 4608 2560
Total GPU TMUs 288 160
GPU Boost Clock Speed 2310MHz Not Known
GPU Render Output Units (ROPs) 128 64
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Red Dragon Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2.1 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 4
Ports Ports PowerColor Red Dragon Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
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 PowerColor Red Dragon Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
TDP (Thermal Design Point) No Data Found Not Known
Transistor Count 26800 million No Data Found
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 310mm 243mm
Height 135mm 114mm
Memory Memory PowerColor Red Dragon Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
Effective Memory Clock 16000MHz 6000MHz
Max Memory Bandwidth 512GB/s Not Known
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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