Sapphire Radeon RX 6800 XT vs AMD Radeon HD 6450

VS
Sapphire Radeon RX 6800 XT
Sapphire Radeon RX 6800 XT Image
AMD Radeon HD 6450
AMD Radeon HD 6450 Image
Sapphire Radeon RX 6800 XT
AMD Radeon HD 6450
Key Differences Key Differences Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
GPU Base Clock Speed 1825MHz 750MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 3 GPixel/s
GPU Memory Speed 2000MHz 900MHz
GPU Render Output Units (ROPs) 128 4
No. of Supported Displays 4 4
Performance Performance Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
GPU Base Clock Speed 1825MHz 750MHz
Pixel Rate 288 GPixel/s 3 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 0.24 TFLOPS
GPU Memory Speed 2000MHz 900MHz
Texture Filter Rate 648 GTexels/s 6 GTexels/s
Total GPU Shading Units 4608 160
Total GPU TMUs 288 8
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 4
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
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 No
Multi-GPU Support Count 0 2
Ray Tracing Support Yes No
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 292
GPU Temperature Under Load Not Known 59°C
PassMark (DirectCompute) Benchmark Result Not Known 172
Idle GPU Temperature Not Known 39°C
Noise Level Under Load Not Known 47.7dB
Power Consumption Under Peak Load Not Known 178W
Idle Power Consumption Not Known 144W
Idle Noise Level Not Known 41.4dB
SmallLuxGPU (2.0d4) Result Not Known 1150
Miscellaneous Miscellaneous Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
HDMI Output Support Yes No
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 370 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.7mm 168mm
Height 119.8mm 104mm
Memory Memory Sapphire Radeon RX 6800 XT AMD Radeon HD 6450
Effective Memory Clock 16000MHz 3600MHz
Max Memory Bandwidth 512GB/s 28.8GB/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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