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AMD is preparing to round-out its RX 6000 series lineup with the upcoming RX 6600 XT and RX 6600, introducing true midrange GPUs to their latest generation RDNA2 architecture. According to recent leaks, both graphics cards should feature AMD's Navi 23 chip, another full chip design, instead of making do with a cut-down Navi 22 (even though that chip still only powers one graphics card in the AMD lineup, the RX 6700 XT).
According to the leak, the RX 6600 XT should feature 2048 stream processors and 8 GB of GDDR6 memory over a 128-bit memory bus. The RX 6600, on the other hand, is said to feature a cut-down Navi 23, with only 1796 stream processors enabled out of the original silicon design, whilst offering the same 8 GB GDDR6 over a 128-bit memory bus. There are even some benchmark scores to go with these leaks: supposedly, the RX 6600 XT scores 9,439 points in 3DMark Time Spy (Graphics), while the RX 6600 card scores 7,805 points. Those scores place these cards in the same ballpark as the RDNA-based RX 5700 XT and RX 5700. It's expected that these cards feature a further cut-down 32 MB of Infinity cache - half that of the RX 6700 XT's 64 MB. With die-size being an estimated 236 mm², AMD is essentially introducing the same performance with 15 mm² less area, whilst shaving some 45 W from that cards' TDP (225 W for the RX 5700 XT, and an estimated 180 W for the RX 6600 XT).
View at TechPowerUp Main Site
According to the leak, the RX 6600 XT should feature 2048 stream processors and 8 GB of GDDR6 memory over a 128-bit memory bus. The RX 6600, on the other hand, is said to feature a cut-down Navi 23, with only 1796 stream processors enabled out of the original silicon design, whilst offering the same 8 GB GDDR6 over a 128-bit memory bus. There are even some benchmark scores to go with these leaks: supposedly, the RX 6600 XT scores 9,439 points in 3DMark Time Spy (Graphics), while the RX 6600 card scores 7,805 points. Those scores place these cards in the same ballpark as the RDNA-based RX 5700 XT and RX 5700. It's expected that these cards feature a further cut-down 32 MB of Infinity cache - half that of the RX 6700 XT's 64 MB. With die-size being an estimated 236 mm², AMD is essentially introducing the same performance with 15 mm² less area, whilst shaving some 45 W from that cards' TDP (225 W for the RX 5700 XT, and an estimated 180 W for the RX 6600 XT).
![](https://www.techpowerup.com/img/5imWAfzeos9e0I0r_thm.jpg)
![](https://www.techpowerup.com/img/gkSOhRWDVVqw5Tsz_thm.jpg)
View at TechPowerUp Main Site