This XFX graphics card is one option for you if you're upgrading your computer. The GPU clock speed of this card is 1.70 GHz. The GDDR6 memory clocks in at 16 GB.
From Amazon
XFX SPEEDSTER SWFT 319 RAD RX6800 16GB GAM
Clove Technology
XFX RX-68XLAQFD9 graphics card AMD Radeon RX 6800 16 GB GDDR6