AMD RDNA2 architecture It has always been full of surprises, especially compared with NVIDIA’s competitors, it has the ability to reach astronomically high core frequencies. However, it seems that we have not seen the best features that RDNA 2 can provide. Patrick of Twitter said that the RX 6900 XT can reach 3 GHz (If cooling is not a bottleneck), please enter the manual limiter first. same, IgorsLAB shared the unreleased specifications of the RX 6700 XT in the BIOS, The official limit of 2950Mhz is shown on the core clock.
Please note that these numbers have high theoretical significance and are much higher than the performance of these GPUs under inventory settings. Radeon RX 6800 XT and 6900 XT are rated for boosted clocks of 2250 MHz. Therefore, unless you use liquid nitrogen or other crazy cooling methods, you are unlikely to reach or exceed the reported 2.8 GHz limit of the 6800 XT, the 3 GHz limit of the 6900 XT, and the 2.95 GHz limit on the 6700 XT.
It makes sense that the RX 6900 XT has the highest frequency limit, because it is the highest tiered GPU in AMD’s product lineup, and probably the best chip. But what is really interesting is that the RX 6700 XT is said to have a maximum clock of 2950 MHz, while the RX 6800 XT has a maximum clock of 2.8 GHz. This shows that the 6700 XT is very suitable for overclocking.
IgorsLAB conducted more research on the BIOS of the RX 6700 XT and found that compared with its partner RX 6800, the motherboard partner BIOS (unknown AIB partner) has a higher power limit and a higher core voltage. BIOS 1 (Igor considers it for reference specifications). The target power of TGP (total graphics power) is about 186W. For the second BIOS (Igor considers it to be a highly trimmed model), the TGP is as high as 211W. It is said that the core voltage of RX 6700 XT is higher than that of RX 6800, and the latter’s reference specification only allows the use of 203W TGP.
If this is true, and the RX 6700 XT card meets these specifications, we can see the highest factory overclocked RDNA2 chip on the market. The 40 CUs on the RX 6700 XT may be fed more juice, allowing the air to run at a higher frequency, and only 40 CUs mean that it is much easier to cool down compared to the 60 CUs on the RX 6800 .
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