Asus ROG Strix Radeon RX 6800 Gaming OC vs Asus Strix Radeon R9 390 DirectCU III OC

VS
Asus ROG Strix Radeon RX 6800 Gaming OC
Asus ROG Strix Radeon RX 6800 Gaming OC Image
Asus Strix Radeon R9 390 DirectCU III OC
Asus Strix Radeon R9 390 DirectCU III OC Image
Asus ROG Strix Radeon RX 6800 Gaming OC
Asus Strix Radeon R9 390 DirectCU III OC
Key Differences Key Differences Asus ROG Strix Radeon RX 6800 Gaming OC Asus Strix Radeon R9 390 DirectCU III OC
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 Not Known
Performance Performance Asus ROG Strix Radeon RX 6800 Gaming OC Asus Strix Radeon R9 390 DirectCU III OC
GPU Base Clock Speed 1700MHz 1050MHz
Pixel Rate 202.1 GPixel/s 67.2 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 5.38 TFLOPS
GPU Memory Speed 2000MHz 1500MHz
Texture Filter Rate 505.2 GTexels/s 168 GTexels/s
Total GPU Shading Units 3840 2560
Total GPU TMUs 240 160
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 ROG Strix Radeon RX 6800 Gaming OC Asus Strix Radeon R9 390 DirectCU III OC
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 Not Known
Ports Ports Asus ROG Strix Radeon RX 6800 Gaming OC Asus Strix Radeon R9 390 DirectCU III 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 Asus ROG Strix Radeon RX 6800 Gaming OC Asus Strix Radeon R9 390 DirectCU III 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 320mm 300mm
Height 128.7mm 137.7mm
Memory Memory Asus ROG Strix Radeon RX 6800 Gaming OC Asus Strix Radeon R9 390 DirectCU III 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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