PowerColor Red Devil Radeon RX 6800 vs Sapphire HD 6770 Vapor-X

VS
PowerColor Red Devil Radeon RX 6800
PowerColor Red Devil Radeon RX 6800 Image
Sapphire HD 6770 Vapor-X
Sapphire HD 6770 Vapor-X Image
PowerColor Red Devil Radeon RX 6800
Sapphire HD 6770 Vapor-X
Key Differences Key Differences PowerColor Red Devil Radeon RX 6800 Sapphire HD 6770 Vapor-X
GPU Base Clock Speed 1850MHz 860MHz
GPU Boost Clock Speed 2190MHz Not Known
Pixel Rate 210.2 GPixel/s 13.8 GPixel/s
GPU Memory Speed 2000MHz 1200MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 3
Performance Performance PowerColor Red Devil Radeon RX 6800 Sapphire HD 6770 Vapor-X
GPU Base Clock Speed 1850MHz 860MHz
Pixel Rate 210.2 GPixel/s 13.8 GPixel/s
FLOPS (Floating-point Performance) 16.82 TFLOPS 1.38 TFLOPS
GPU Memory Speed 2000MHz 1200MHz
Texture Filter Rate 525.6 GTexels/s 34.4 GTexels/s
Total GPU Shading Units 3840 800
Total GPU TMUs 240 40
GPU Boost Clock Speed 2190MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features PowerColor Red Devil Radeon RX 6800 Sapphire HD 6770 Vapor-X
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 Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 3
PassMark (G3D) Score Not Known 1680
PassMark (DirectCompute) Benchmark Result Not Known 788
Multi-GPU Support Count Not Known 2
Ports Ports PowerColor Red Devil Radeon RX 6800 Sapphire HD 6770 Vapor-X
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 1
General info General info PowerColor Red Devil Radeon RX 6800 Sapphire HD 6770 Vapor-X
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 320mm 201mm
Height 135mm 111mm
Memory Memory PowerColor Red Devil Radeon RX 6800 Sapphire HD 6770 Vapor-X
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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