AMD's water - cooled Radeon RX 6900 XT becomes official - only for system builders

Yesterday we reported leaked information about a new version of AMD’s graphics card Radeon RX 6900 XT, where this was to be endowed with a closed water cooling solution and increased clock frequencies. The information turned out to be correct, as the company now officially launches the graphics card together with a handful of selected system builders.

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	RX 6900 XT LC	RX 6900 XT	RX 6800 XT	RX 6800	RX 6700 XT
Architecture	RDNA 2	RDNA 2	RDNA 2	RDNA 2	RDNA 2
Technical	7 nm TSMC	7 nm TSMC	7 nm TSMC	7 nm TSMC	7 nm TSMC
Circuit	Navi 21	Navi 21	Navi 21	Navi 21	Navi 22
Circuit surface	520 mm²	520 mm²	520 mm²	520 mm²	335 mm²
Transistors	26.8 billion	26.8 billion	26.8 billion	26.8 billion	17.2 billion
Compute Units	80 st.	80 st.	72 st.	60 st.	40 st.
Raster units	128 st.	128 st.	128 st.	96 st.	64 st.
Texture units	320 st.	320 st.	288 st.	240 st.	160 st.
Ray Accelerators	80 st.	80 st.	72 st.	60 st.	40 st.
Streamprocessorer	5 120 st.	5 120 st.	4 608 st.	3 840 st.	2 560 st.
Playing frequency	2 250 MHz	2 015 MHz	2 015 MHz	1 815 MHz	2 424 MHz
Turbo frequency	2 424 MHz	2 250 MHz	2 250 MHz	2 105 MHz	2 581 MHz
Calculating power (FP32)	24 822 GFLOPS	23 040 GFLOPS	20 736 GFLOPS	16 166 GFLOPS	13 215 GFLOPS
Infinity cache	128 MB	128 MB	128 MB	128 MB	96 MB
Memory bus	256-bit	256-bit	256-bit	256-bit	192-bit
Memory amount	16 GB GDDR6	16 GB GDDR6	16 GB GDDR6	16 GB GDDR6	12 GB GDDR6
Memory speed	18 000 MHz	16 000 MHz	16 000 MHz	16 000 MHz	16 000 MHz
Memory bandwidth	576 GB/s	512 GB/s	512 GB/s	512 GB/s	384 GB/s
TBP	330 W	300 W	300 W	250 W	230 W
Price at launch	System builder only	999 USD	649 USD	579 USD	479 USD

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As expected, the name of the new graphics card will be Radeon RX 6900 XT Liquid Cooled, where the model shares many specifications with its air-cooled sibling. This means the full-featured version of the graphics circuit Navi 21 with 80 calculation units. Thanks to the blown-up cooling solution, however, the newcomer has had clock speeds increased, where the turbo frequency for the graphics circuit is specified at 2,424 MHz – up almost 8 percent compared to the air-cooled ditto.

On the memory front, 16 GB GDDR6 is visible again, but at a higher speed of 18,000 MHz. This gives a theoretical memory bandwidth of 576 GB / s, which corresponds to an increase of about 13 percent compared to the basic model of Radeon RX 6900 XT. The increased clock frequencies on the graphics circuit and the increased memory speed are also accompanied by a higher current budget of 330 W, ie 30 W more than the air-cooled version.

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The Radeon RX 6900 XT Liquid Cooled does not receive a recommended price as it is only sold as part of prefabricated computers via system builders. AMD has selected a number of partners for the purpose, including American Maingear and British PCSpecialist. In Sweden, Inet is the exclusive reseller as part of the company’s PC series “Concept”, where deliveries look set to start at the end of June.