PowerColor Radeon RX 6800 XT vs Gigabyte HD 7790 OC

VS
PowerColor Radeon RX 6800 XT
PowerColor Radeon RX 6800 XT Image
Gigabyte HD 7790 OC
Gigabyte HD 7790 OC Image
PowerColor Radeon RX 6800 XT
Gigabyte HD 7790 OC
Key Differences Key Differences PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
GPU Base Clock Speed 1825MHz 1075MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 17.2 GPixel/s
GPU Memory Speed 2000MHz 1500MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 4 2
Performance Performance PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
GPU Base Clock Speed 1825MHz 1075MHz
Pixel Rate 288 GPixel/s 17.2 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 1.93 TFLOPS
GPU Memory Speed 2000MHz 1500MHz
Texture Filter Rate 648 GTexels/s 60.2 GTexels/s
Total GPU Shading Units 4608 896
Total GPU TMUs 288 56
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 16
DPFP (Double Precision Floating Point) Support No Yes
Features Features PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 2
PassMark (G3D) Score Not Known 3081
3DMark Vantage Texture Fill Result Not Known 51.1GTexels/s
GPU Temperature Under Load Not Known 69°C
3DMark Vantage Pixel Fill Result Not Known 5GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 1560
Idle GPU Temperature Not Known 30°C
Noise Level Under Load Not Known 37.8dB
Power Consumption Under Peak Load Not Known 249W
Idle Power Consumption Not Known 110W
Idle Noise Level Not Known 37.5dB
Multi-GPU Support Count Not Known 2
Miscellaneous Miscellaneous PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 2
General info General info PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 2080 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.8mm 191mm
Height 119.8mm 110mm
Memory Memory PowerColor Radeon RX 6800 XT Gigabyte HD 7790 OC
Effective Memory Clock 16000MHz 6000MHz
Max Memory Bandwidth 512GB/s 96GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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