PowerColor Red Dragon Radeon RX 6800 vs HIS Radeon R9 390 IceQ X2 II OC

VS
PowerColor Red Dragon Radeon RX 6800
PowerColor Red Dragon Radeon RX 6800 Image
HIS Radeon R9 390 IceQ X2 II OC
HIS Radeon R9 390 IceQ X2 II OC Image
PowerColor Red Dragon Radeon RX 6800
HIS Radeon R9 390 IceQ X2 II OC
Key Differences Key Differences PowerColor Red Dragon Radeon RX 6800 HIS Radeon R9 390 IceQ X2 II OC
GPU Base Clock Speed 1800MHz 1020MHz
GPU Boost Clock Speed 2170MHz Not Known
Pixel Rate 208.3 GPixel/s 65.3 GPixel/s
GPU Memory Speed 2000MHz 1500MHz
GPU Render Output Units (ROPs) 96 64
No. of Supported Displays 4 3
Performance Performance PowerColor Red Dragon Radeon RX 6800 HIS Radeon R9 390 IceQ X2 II OC
GPU Base Clock Speed 1800MHz 1020MHz
Pixel Rate 208.3 GPixel/s 65.3 GPixel/s
FLOPS (Floating-point Performance) 16.67 TFLOPS 5.22 TFLOPS
GPU Memory Speed 2000MHz 1500MHz
Texture Filter Rate 520.8 GTexels/s 163.2 GTexels/s
Total GPU Shading Units 3840 2560
Total GPU TMUs 240 160
GPU Boost Clock Speed 2170MHz Not Known
GPU Render Output Units (ROPs) 96 64
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Red Dragon Radeon RX 6800 HIS Radeon R9 390 IceQ X2 II OC
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 3
Multi-GPU Support Count Not Known 4
Ports Ports PowerColor Red Dragon Radeon RX 6800 HIS Radeon R9 390 IceQ X2 II OC
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 HIS Radeon R9 390 IceQ X2 II OC
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 310mm 297mm
Height 135mm Not Known
Memory Memory PowerColor Red Dragon Radeon RX 6800 HIS Radeon R9 390 IceQ X2 II OC
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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