Asus Radeon RX 6800 vs Asus Radeon R9 390X DirectCU II

VS
Asus Radeon RX 6800
Asus Radeon RX 6800 Image
Asus Radeon R9 390X DirectCU II
Asus Radeon R9 390X DirectCU II Image
Asus Radeon RX 6800
Asus Radeon R9 390X DirectCU II
Key Differences Key Differences Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
GPU Base Clock Speed 1700MHz 1050MHz
GPU Boost Clock Speed 2105MHz Not Known
Pixel Rate 202.1 GPixel/s 67.2 GPixel/s
GPU Memory Speed 2000MHz 1500MHz
GPU Render Output Units (ROPs) 96 64
No. of Supported Displays 4 6
Performance Performance Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
GPU Base Clock Speed 1700MHz 1050MHz
Pixel Rate 202.1 GPixel/s 67.2 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 5.91 TFLOPS
GPU Memory Speed 2000MHz 1500MHz
Texture Filter Rate 505.2 GTexels/s 184.8 GTexels/s
Total GPU Shading Units 3840 2816
Total GPU TMUs 240 176
GPU Boost Clock Speed 2105MHz Not Known
GPU Render Output Units (ROPs) 96 64
DPFP (Double Precision Floating Point) Support No No
Features Features Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
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 Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
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 Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
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 266.7mm 287mm
Height 119.8mm Not Known
Memory Memory Asus Radeon RX 6800 Asus Radeon R9 390X DirectCU II
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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