ASRock Radeon RX 6800 XT Phantom Gaming D OC vs ATI Radeon HD 5450

VS
ASRock Radeon RX 6800 XT Phantom Gaming D OC
ASRock Radeon RX 6800 XT Phantom Gaming D OC Image
ATI Radeon HD 5450
ATI Radeon HD 5450 Image
ASRock Radeon RX 6800 XT Phantom Gaming D OC
ATI Radeon HD 5450
Key Differences Key Differences ASRock Radeon RX 6800 XT Phantom Gaming D OC ATI Radeon HD 5450
GPU Base Clock Speed 1875MHz 650MHz
GPU Boost Clock Speed 2310MHz Not Known
Pixel Rate 295.7 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 ASRock Radeon RX 6800 XT Phantom Gaming D OC ATI Radeon HD 5450
GPU Base Clock Speed 1875MHz 650MHz
Pixel Rate 295.7 GPixel/s 2.6 GPixel/s
FLOPS (Floating-point Performance) 21.29 TFLOPS 0.1 TFLOPS
GPU Memory Speed 2000MHz 400MHz
Texture Filter Rate 665.3 GTexels/s 5.2 GTexels/s
Total GPU Shading Units 4608 80
Total GPU TMUs 288 5
GPU Boost Clock Speed 2310MHz Not Known
GPU Render Output Units (ROPs) 128 4
DPFP (Double Precision Floating Point) Support No Yes
Features Features ASRock Radeon RX 6800 XT Phantom Gaming D OC 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 ASRock Radeon RX 6800 XT Phantom Gaming D OC 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 ASRock Radeon RX 6800 XT Phantom Gaming D OC 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 330mm 170mm
Height 140mm 120mm
Memory Memory ASRock Radeon RX 6800 XT Phantom Gaming D OC 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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