The Radeon RX 7900 XTX and the Radeon RX 7900 XT are the first two graphics cards to be constructed using AMD’s next-generation GPU architecture, known as RDNA 3. On December 13, 2022, buyers will be able to purchase either card.
Let’s move on as we’ve been waiting a while for information on these two cards. With its two brand-new enthusiast-grade cards, AMD is bringing some remarkable statistics to the table, and the RX 7900 XTX promises to produce up to 61 TFLOPs of computing performance—nearly three times the 23 TFLOPs from the RX 6950 XT.
96 RDNA 3 Compute Units (CUs), which is tantalizingly near to a triple-digit figure, will be used by the RX 7900 XTX. It has a substantial amount of VRAM, totaling 24GB of GDDR6, and runs at a game clock of 2.3GHz.
This card, which AMD introduced today as its top model, has a 355W total board power (TBP). The RX 7900 XTX claims to be up to 67% quicker than the card it replaces at the top of the stack, even though that is a little more than the 335W TBP of the RX 6960 XT.
The cost of the RX 7900 XTX is $999.
The RX 7900 XT comes next. This has 84 CUs in total, which is 12 fewer than the XTX variant. It has 20GB of GDDR6 and a 2GHz game clock, so it’s up there in terms of clock speed. It operates at a somewhat more restrained 300W TBP.
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The AMD Radeon RX 7900 XTX
Regardless of how you look at it, the AMD Radeon RX 7900 XTX’s pricing, which is less than $1,000 USD, is by far its most enticing feature. Instead of caving into rising production costs, it has set a price of $999 that is only a little higher than that of its Radeon RX 6900 XT MSRP.
This costs two-thirds less than its rival, the Nvidia RTX 4090, by a staggering $600. With that much money saved, you could actually purchase the top gaming CPU from either AMD’s Ryzen 9 5900X or Intel’s prior Alder Lake generation.
The release date for AMD Radeon RX 7900 XTX
On December 13, 2022, the AMD Radeon RX 7900 XTX will be made available. At a press conference held by AMD on November 3, the GPU was unveiled.
Audience members applauded when AMD announced the GPU because of how competitively priced it was. However, rather than the RTX 4090, it seems ready to take on the RTX 4080.
Although it will arrive a little later than Nvidia’s graphics cards, AMD should be able to release new GPUs before 2023.
Have a table if you’re only interested in the essential specifications. As you can see, the Radeon RX 7900 XTX has a hundred dollars more to spend on slightly better clock speeds and a few more compute units than the RX 7900 XT, which both have an abundance of VRAM (core clusters).
I see that the Radeon RX 7900 XTX has a power rating that is substantially lower than the 450W RTX 4090.
| Radeon RX 7900 XT | Radeon RX 7900 XTX | |
|---|---|---|
| Compute units | 84 | 96 |
| Ray accelerators | 84 | 96 |
| Game frequency | 2000MHz | 2300MHz |
| VRAM | 20GB | 24GB |
| Memory type | GDDR6 | GDDR6 |
| Power usage | 300W | 350W |
| MSRP | $899 | $999 |
Under the hood, there are many other things happening. Significant changes have been made to the way AMD builds its GPUs with RDNA 3, and consequently with the RX 7000 series. The GPU is typically monolithic or made up of just one large chip.
Instead, RDNA 3 adopts a chiplet design, taking a cue from AMD’s own Ryzen AND Epyc processors. The GPU is split up into a single 5nm graphics compute die (GCD) and six 6nm memory cache dies.
While the GCD, which has specialized hardware for ray tracing acceleration and AI features, is where most of the graphics magic happens, it appears that the combined can deliver 2.7x the peak memory bandwidth of RDNA 2.
In order to ensure that the various components can communicate with one another quickly enough, AMD had to develop an extremely fast 5.3TB/s interconnect because chipset designs aren’t inherently superior to monolithic GPUs. However, there are benefits as well.
In particular, it enables the GPUs to utilize 5nm hardware that is more efficient, but only where it matters most, while the MCDs utilize a less expensive manufacturing method with higher yields.
Theoretically, this should result in next-generation performance while also lowering costs, with savings being passed on to the customer. Hopefully.
The new GCD also aims to catch up to Nvidia in terms of ray tracing performance, with AMD stating that it will have “1.5 times more rays in flight” and will have improved RDNA 3’s handling of newly generated rays.
We’ll have to wait for other benchmarks other than AMD’s own to see how these modifications affect performance.
Although a more significant comparison would undoubtedly be against the RTX 4090, the company claims that the RX 7900 XTX is between 1.5 and 1.7 times faster than the RX 6950 XT in games like Call of Duty: Modern Warfare 2, Cyberpunk 2077, and ray-traced Metro Exodus. At the very least, the RTX 4080.
Speaking of, anyone purchasing an RX 7000 series card won’t need to worry about a power adapter of the RTX 40 series variety because they will accept the standard 8-pin power cables from your PSU as is. Perhaps comfort is given how frequently RTX 4090 adapters have been melting lately.
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