AMD Radeon RX 6900 XTX up and running - again

Earlier this year, there was talk of a Radeon RX 6900 XTX with really high clock speeds and with which AMD would take up the fight against Nvidia in the top segment. As rumors crystallized into highly credible information, the model was officially launched, but then in the form of RX 6900 XT Liquid Cooled which was only sold to system builders.

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1 Specifications: AMD Radeon RX 6900 XTX

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Now publish the Twitter profile @CyberCatPunk a photograph from a presentation that specifically mentions the Radeon RX 6900 XTX and below it has the text “Expanding the AMD RDNA Family”. Not only that, the same presentation also shows details that reveal the specified turbo frequency for the graphics circuit itself and the speed of the GDDR6 memory.

Specifications: AMD Radeon RX 6900 XTX

	RX 6900 XTX	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)	~24 930 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	And	999 USD	649 USD	579 USD	479 USD

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With a theoretical computing power of 24.93 TFLOPS, the Radeon RX 6900 XTX is very close to the water-cooled sibling RX 6900 XT Liquid Cooled at 24.82 TFLOPS. Depending on how AMD has chosen to round it off, it corresponds to a clock frequency of 2,434–2,435 MHz, which is 8.2 percent higher than for the regular RX 6900 XT. On the memory front, the effective clock frequency increases by 12.5 percent, from 16,000 to 18,000 MHz, for a bandwidth of 576 GB / s.

The graphics circuit used is the same as the Radeon RX 6800, RX 6800 XT and RX 6900 XT – Navi 21. Since AMD already uses the full-scale circuit with 5,120 stream processors, the new one with the RX 6900 XTX is precisely the higher clock frequencies, something AMD achieves by significantly harder binning where the best circuits are hand-picked.

It is not clear when the Radeon RX 6900 XTX will see the light of day, nor to what extent, where it is possible that this graphics card will also be an exclusive system builder. However, it should not be ruled out that it will reach the retail trade to counter Nvidia, which is believed to launch Super variants of the Geforce RTX 3000 series later in the year.

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Source: Videocardz