ASRock Radeon RX 6800 XT vs AMD Radeon R9 285

VS
ASRock Radeon RX 6800 XT
ASRock Radeon RX 6800 XT Image
AMD Radeon R9 285
AMD Radeon R9 285 Image
ASRock Radeon RX 6800 XT
AMD Radeon R9 285
Key Differences Key Differences ASRock Radeon RX 6800 XT AMD Radeon R9 285
GPU Base Clock Speed 1825MHz 918MHz
GPU Boost Clock Speed 2250MHz 1000MHz
Pixel Rate 288 GPixel/s 29.4 GPixel/s
GPU Memory Speed 2000MHz 1375MHz
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 5
Performance Performance ASRock Radeon RX 6800 XT AMD Radeon R9 285
GPU Base Clock Speed 1825MHz 918MHz
Pixel Rate 288 GPixel/s 29.4 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 3.29 TFLOPS
GPU Memory Speed 2000MHz 1375MHz
Texture Filter Rate 648 GTexels/s 103 GTexels/s
Total GPU Shading Units 4608 1792
Total GPU TMUs 288 112
GPU Boost Clock Speed 2250MHz 1000MHz
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No No
Features Features ASRock Radeon RX 6800 XT AMD Radeon R9 285
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.4
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes No
Ray Tracing Support Yes No
No. of Supported Displays 4 5
Multi-GPU Support Count Not Known 4
Miscellaneous Miscellaneous ASRock Radeon RX 6800 XT AMD Radeon R9 285
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports ASRock Radeon RX 6800 XT AMD Radeon R9 285
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 Not Known
General info General info ASRock Radeon RX 6800 XT AMD Radeon R9 285
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 5000 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 267mm Not Known
Height 120mm Not Known
Memory Memory ASRock Radeon RX 6800 XT AMD Radeon R9 285
Effective Memory Clock 16000MHz 5500MHz
Max Memory Bandwidth 512GB/s 176GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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