AMD Radeon RX 6900 XT vs ATI Radeon HD 5450

VS
AMD Radeon RX 6900 XT
AMD Radeon RX 6900 XT Image
ATI Radeon HD 5450
ATI Radeon HD 5450 Image
AMD Radeon RX 6900 XT
ATI Radeon HD 5450
Key Differences Key Differences AMD Radeon RX 6900 XT ATI Radeon HD 5450
GPU Base Clock Speed 1529MHz 650MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 2.6 GPixel/s
GPU Memory Speed 2000MHz 400MHz
GPU Render Output Units (ROPs) 128 4
No. of Supported Displays Not Known 3
Performance Performance AMD Radeon RX 6900 XT ATI Radeon HD 5450
GPU Base Clock Speed 1529MHz 650MHz
Pixel Rate 288 GPixel/s 2.6 GPixel/s
FLOPS (Floating-point Performance) 23.04 TFLOPS 0.1 TFLOPS
Texture Filter Rate 720 GTexels/s 5.2 GTexels/s
GPU Memory Speed 2000MHz 400MHz
Total GPU Shading Units 5120 80
Total GPU TMUs 320 5
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 4
DPFP (Double Precision Floating Point) Support No Yes
Features Features AMD Radeon RX 6900 XT 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
PassMark (G3D) Score Not Known 234
PassMark (DirectCompute) Benchmark Result Not Known 83
Multi-GPU Support Count Not Known 2
No. of Supported Displays Not Known 3
Miscellaneous Miscellaneous AMD Radeon RX 6900 XT ATI Radeon HD 5450
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports AMD Radeon RX 6900 XT 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 AMD Radeon RX 6900 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 267mm 170mm
Height 120mm 120mm
Warranty 2 Not Known
Memory Memory AMD Radeon RX 6900 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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