Sapphire Radeon RX 6800 XT vs Gigabyte Radeon R9 390 WindForce 2X

VS
Sapphire Radeon RX 6800 XT
Sapphire Radeon RX 6800 XT Image
Gigabyte Radeon R9 390 WindForce 2X
Gigabyte Radeon R9 390 WindForce 2X Image
Sapphire Radeon RX 6800 XT
Gigabyte Radeon R9 390 WindForce 2X
Key Differences Key Differences Sapphire Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
GPU Base Clock Speed 1825MHz 1000MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 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 Sapphire Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
GPU Base Clock Speed 1825MHz 1000MHz
Pixel Rate 288 GPixel/s Not Known
FLOPS (Floating-point Performance) 20.74 TFLOPS Not Known
GPU Memory Speed 2000MHz Not Known
Texture Filter Rate 648 GTexels/s Not Known
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 Sapphire 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 2.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 0 Not Known
Ray Tracing Support Yes No
No. of Supported Displays 4 4
Miscellaneous Miscellaneous Sapphire Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Sapphire Radeon RX 6800 XT Gigabyte Radeon R9 390 WindForce 2X
HDMI Output Support Yes Yes
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 Sapphire 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 266.7mm 243mm
Height 119.8mm 114mm
Memory Memory Sapphire 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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