PowerColor Red Devil Radeon RX 6800 XT vs ATI Radeon HD 5450

VS
PowerColor Red Devil Radeon RX 6800 XT
PowerColor Red Devil Radeon RX 6800 XT Image
ATI Radeon HD 5450
ATI Radeon HD 5450 Image
PowerColor Red Devil Radeon RX 6800 XT
ATI Radeon HD 5450
Key Differences Key Differences PowerColor Red Devil Radeon RX 6800 XT ATI Radeon HD 5450
GPU Base Clock Speed 1900MHz 650MHz
GPU Boost Clock Speed 2340MHz Not Known
Pixel Rate 299.5 GPixel/s 2.6 GPixel/s
GPU Memory Speed 2000MHz 400MHz
GPU Render Output Units (ROPs) 128 4
No. of Supported Displays 4 3
Performance Performance PowerColor Red Devil Radeon RX 6800 XT ATI Radeon HD 5450
GPU Base Clock Speed 1900MHz 650MHz
Pixel Rate 299.5 GPixel/s 2.6 GPixel/s
FLOPS (Floating-point Performance) 21.57 TFLOPS 0.1 TFLOPS
GPU Memory Speed 2000MHz 400MHz
Texture Filter Rate 673.9 GTexels/s 5.2 GTexels/s
Total GPU Shading Units 4608 80
Total GPU TMUs 288 5
GPU Boost Clock Speed 2340MHz Not Known
GPU Render Output Units (ROPs) 128 4
DPFP (Double Precision Floating Point) Support No Yes
Features Features PowerColor Red Devil Radeon RX 6800 XT ATI Radeon HD 5450
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2.1 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 3
PassMark (G3D) Score Not Known 234
PassMark (DirectCompute) Benchmark Result Not Known 83
Multi-GPU Support Count Not Known 2
Ports Ports PowerColor Red Devil Radeon RX 6800 XT ATI Radeon HD 5450
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info PowerColor Red Devil Radeon RX 6800 XT ATI Radeon HD 5450
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 292 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 320mm 170mm
Height 135mm 120mm
Memory Memory PowerColor Red Devil Radeon RX 6800 XT ATI Radeon HD 5450
Effective Memory Clock 16000MHz 800MHz
Max Memory Bandwidth 512GB/s 6.4GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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