ASRock Radeon RX 6800 XT Phantom Gaming D OC vs AMD Radeon HD 6450

VS
ASRock Radeon RX 6800 XT Phantom Gaming D OC
ASRock Radeon RX 6800 XT Phantom Gaming D OC Image
AMD Radeon HD 6450
AMD Radeon HD 6450 Image
ASRock Radeon RX 6800 XT Phantom Gaming D OC
AMD Radeon HD 6450
Key Differences Key Differences ASRock Radeon RX 6800 XT Phantom Gaming D OC AMD Radeon HD 6450
GPU Base Clock Speed 1875MHz 750MHz
GPU Boost Clock Speed 2310MHz Not Known
Pixel Rate 295.7 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 ASRock Radeon RX 6800 XT Phantom Gaming D OC AMD Radeon HD 6450
GPU Base Clock Speed 1875MHz 750MHz
Pixel Rate 295.7 GPixel/s 3 GPixel/s
FLOPS (Floating-point Performance) 21.29 TFLOPS 0.24 TFLOPS
GPU Memory Speed 2000MHz 900MHz
Texture Filter Rate 665.3 GTexels/s 6 GTexels/s
Total GPU Shading Units 4608 160
Total GPU TMUs 288 8
GPU Boost Clock Speed 2310MHz Not Known
GPU Render Output Units (ROPs) 128 4
DPFP (Double Precision Floating Point) Support No No
Features Features ASRock Radeon RX 6800 XT Phantom Gaming D OC AMD Radeon HD 6450
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 No
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
Multi-GPU Support Count Not Known 2
SmallLuxGPU (2.0d4) Result Not Known 1150
Ports Ports ASRock Radeon RX 6800 XT Phantom Gaming D OC AMD Radeon HD 6450
HDMI Output Support Yes No
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
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 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 330mm 168mm
Height 140mm 104mm
Memory Memory ASRock Radeon RX 6800 XT Phantom Gaming D OC 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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