AMD Radeon RX 6800 XT vs AMD Radeon HD 6450 2GB

VS
AMD Radeon RX 6800 XT
AMD Radeon RX 6800 XT Image
AMD Radeon HD 6450 2GB
AMD Radeon HD 6450 2GB Image
AMD Radeon RX 6800 XT
AMD Radeon HD 6450 2GB
Key Differences Key Differences AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
GPU Base Clock Speed 1487MHz 650MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 2.6 GPixel/s
GPU Memory Speed 2000MHz 580MHz
GPU Render Output Units (ROPs) 128 4
No. of Supported Displays Not Known 4
Performance Performance AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
GPU Base Clock Speed 1487MHz 650MHz
Pixel Rate 288 GPixel/s 2.6 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 0.21 TFLOPS
Texture Filter Rate 648 GTexels/s 5.2 GTexels/s
GPU Memory Speed 2000MHz 580MHz
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 AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
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
Ray Tracing Support Yes No
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
Multi-GPU Support Count Not Known 2
No. of Supported Displays Not Known 4
SmallLuxGPU (2.0d4) Result Not Known 1150
Miscellaneous Miscellaneous AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
HDMI Output Support Yes No
GPU HDMI Version 2.1 Not Known
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 AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
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 267mm 168mm
Height 120mm 104mm
Memory Memory AMD Radeon RX 6800 XT AMD Radeon HD 6450 2GB
Effective Memory Clock 16000MHz 1600MHz
Max Memory Bandwidth 512GB/s 9.28GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 3
ECC (Error-Correcting Code) Memory Support No No

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