PowerColor Radeon RX 6800 vs ATI Radeon HD 5450

VS
PowerColor Radeon RX 6800
PowerColor Radeon RX 6800 Image
ATI Radeon HD 5450
ATI Radeon HD 5450 Image
PowerColor Radeon RX 6800
ATI Radeon HD 5450
Key Differences Key Differences PowerColor Radeon RX 6800 ATI Radeon HD 5450
GPU Base Clock Speed 1700MHz 650MHz
GPU Boost Clock Speed 2105MHz Not Known
Pixel Rate 202.1 GPixel/s 2.6 GPixel/s
GPU Memory Speed 2000MHz 400MHz
GPU Render Output Units (ROPs) 96 4
No. of Supported Displays 4 3
Performance Performance PowerColor Radeon RX 6800 ATI Radeon HD 5450
GPU Base Clock Speed 1700MHz 650MHz
Pixel Rate 202.1 GPixel/s 2.6 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 0.1 TFLOPS
GPU Memory Speed 2000MHz 400MHz
Texture Filter Rate 505.2 GTexels/s 5.2 GTexels/s
Total GPU Shading Units 3840 80
Total GPU TMUs 240 5
GPU Boost Clock Speed 2105MHz Not Known
GPU Render Output Units (ROPs) 96 4
DPFP (Double Precision Floating Point) Support No Yes
Features Features PowerColor Radeon RX 6800 ATI Radeon HD 5450
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2 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
Miscellaneous Miscellaneous PowerColor Radeon RX 6800 ATI Radeon HD 5450
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports PowerColor Radeon RX 6800 ATI Radeon HD 5450
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info PowerColor Radeon RX 6800 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 266.8mm 170mm
Height 119.8mm 120mm
Memory Memory PowerColor Radeon RX 6800 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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