Sapphire Radeon RX 6800 XT vs Sapphire HD 6770

VS
Sapphire Radeon RX 6800 XT
Sapphire Radeon RX 6800 XT Image
Sapphire HD 6770
Sapphire HD 6770 Image
Sapphire Radeon RX 6800 XT
Sapphire HD 6770
Key Differences Key Differences Sapphire Radeon RX 6800 XT Sapphire HD 6770
GPU Base Clock Speed 1825MHz 850MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 13.6 GPixel/s
GPU Memory Speed 2000MHz 1200MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 4 3
Performance Performance Sapphire Radeon RX 6800 XT Sapphire HD 6770
GPU Base Clock Speed 1825MHz 850MHz
Pixel Rate 288 GPixel/s 13.6 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 1.36 TFLOPS
GPU Memory Speed 2000MHz 1200MHz
Texture Filter Rate 648 GTexels/s 34 GTexels/s
Total GPU Shading Units 4608 800
Total GPU TMUs 288 40
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 16
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon RX 6800 XT Sapphire HD 6770
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
Multi-GPU Support Count 0 2
Ray Tracing Support Yes No
No. of Supported Displays 4 3
PassMark (G3D) Score Not Known 1680
PassMark (DirectCompute) Benchmark Result Not Known 788
Miscellaneous Miscellaneous Sapphire Radeon RX 6800 XT Sapphire HD 6770
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Sapphire Radeon RX 6800 XT Sapphire HD 6770
HDMI Output Support Yes Yes
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 Sapphire HD 6770
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 1040 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 186mm
Height 119.8mm 100mm
Memory Memory Sapphire Radeon RX 6800 XT Sapphire HD 6770
Effective Memory Clock 16000MHz 4000MHz
Max Memory Bandwidth 512GB/s 64GB/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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