This Palit Microsystems graphics card is one option for you if you're upgrading your computer. The GDDR6X memory clocks in at 12 GB. It has a GPU clock speed of 1.92 GHz.
From Amazon
Palit GeForce RTX 4070 Jestream 12GB GDDR6X DLSS3 Graphics Card - NED4070019K9-1047J
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