Components
Radeon RX 7700 XT and RX 7800 XT tests published: new items faster than competitors GeForce RTX 40
So, the Radeon RX 7700 XT and RX 7800 XT video cards went on sale, and thematic resources published their reviews. Now we can finally understand what happened to AMD in the middle segment.
It’s worth starting with the older model, because due to the strange positioning of AMD, the RX 7800 XT model is much more profitable. It’s only $50 more expensive, but it’s noticeably faster and offers a lot more storage.
So, if we talk about comparing the RX 6000 models, then in all resolutions the new product is on average 3-4% faster than the RX 6800 XT and by the same amount slower than the RX 6900 XT. That is, all three of these cards are as close as possible. When compared to the RTX 40, the new AMD model is faster than the RTX 4070 by 2-6%, and the gap increases with increasing resolution. But conditionally, we can also say that the cards are approximately equal. In all these cases, we are talking about games without activated effects based on ray tracing. The RX 7800 XT is priced at $500, while the RTX 4070 is priced at $600.
Enabling tracing puts the Nvidia card ahead and it outperforms the RX 7800 XT by 13-16%.
At the same time, we recall that the $500 that they ask for the RX 7800 XT is the recommended price of the RTX 4060 Ti 16GB. Yes, the other day many stores lowered the price of this card to $450, but in any case, this adapter, even with ray tracing, is 10-15% inferior to the new AMD product, and without ray tracing, the RX 7800 XT is ahead by 30-40%, that is, these are cards of different classes.
In terms of energy efficiency, of course, current Nvidia adapters are much better. The RTX 4070 consumes about 20% less power with approximately the same performance, but the RX 7800 XT consumes noticeably less than the RX 6800 XT.
Interestingly, this is a very good overclocking potential of AMD’s new product. Through certain manipulations, performance can be increased by 10-15%.
In terms of price-performance ratio, the RX 7800 XT is far from the leaders, but at the same time it is more profitable than both the RTX 4060 Ti and the RTX 4070. However, among the current AMD and Nvidia adapters, the new product is second only to the RX 7600 in terms of profitability, ahead of all RTX 40.
If we talk about the RX 7700 XT, things are a little worse here. It is a little cheaper than the older model and a little slower. The RX 7800 XT outperforms the RX 7700 XT by 14-21% depending on the resolution. The RX 7700 XT is roughly equal to the RX 6800, and relative to Nvidia cards, it can be compared to the RTX 3070 Ti, but the former is 3-8% faster. The RTX 4060 Ti 16GB after the price cut is a direct competitor to the RX 7700 XT, but the latter is still much faster, and only when ray tracing is enabled do the cards become comparable in performance.
In terms of price-performance ratio, the RX 7700 XT is inferior to the RX 7800 XT, and with a small difference in the actual cost, there is no particular point in the younger card, because the older one also has more memory.
As a result, a strange situation arose. The RX 7700 XT, starting at $450, is the direct successor to the RX 6700 XT, which started at $480. With this comparison, the new model is 30-40% faster, and this is a great increase in one generation. But the RX 7800 XT actually offers the same performance as the RX 6800 XT, that is, there seems to be no increase with a generation change. But keep in mind that the RX 7800 XT only costs $500, which is only $20 more than the starting price of the RX 6700 XT. And the RX 6800 and RX 6800 XT once started at $580 and $650, respectively. Thus, if we focus on the available names, the new AMD model is not faster than the old one, but it is much cheaper.
At the same time, it should be understood that the current prices for the RX 6000 are much lower than the starting ones, and now the situation is such that the RX 6800 XT costs about the same as the RX 7800 XT.
Components
The Ryzen 8000 and Ryzen 9000 processors will offer more cores than their predecessors. AMD roadmap describing Zen 5 and Zen 6 leaked online
An AMD roadmap has leaked online, describing a number of key features of the company’s future products. It was obtained by the author of the Moore’s Law Is Dead channel.
The document, among other things, describes the Zen 5 and Zen 6 architectures.
The first to hit the market, of course, will be Zen 5, codenamed Nirvana. The first CPUs based on it are expected in the first half of 2024. Processors with Zen 5 architecture will be produced using 3 and 4 nm technical processes and will bring an increase in IPC (the number of instructions executed per clock cycle) by 10-15%. It is also known that the data cache of Zen 5 will be increased to 48 KB, a new low-power core version will appear, and Zen 5 will also bring a 16-core cluster. Probably, only Zen 5c cores will be combined with 16 pieces, but this still means that the total number of cores in the new processors will increase and finally exceed the 16 pieces mark that we have become accustomed to since the Ryzen 3000.
Zen 6, codenamed Morpheus, is expected to move to 3nm and 2nm process technology and will be released sometime in 2025. The IPC indicator will increase by 10%, that is, not as much as in recent years. But the architecture will bring support for FP16 computing to accelerate AI/ML algorithms and a new memory profiler. Moreover, processor clusters will be able to have 32 cores each, which means that we will again see an increase in the number of cores in the CPU as a whole.
Moore’s Law Is Dead profiled many AMD products before they were released. In particular, the Radeon RX 7800 and Radeon RX 7700 video cards several months before the announcement.
Today, AMD FSR 3 technology is coming to the market, which is designed to compete with DLSS 3. The first game to already receive FSR 3 was Forspoken. Patch 1.22 is already available, so anyone with a suitable graphics card can try out the technology.
Let us remind you that FSR 3, like DLSS 3, can complete the drawing of frames. AMD calls it Motion Fluid Frames, and this technology, unlike Nvidia Frame Generation, is not tied to hardware, therefore, like FSR 3 in general, it works on a variety of video cards not only from AMD.
In particular, AMD itself talks about the need to have a Radeon RX 5000 or newer accelerator, GeForce RTX 20 or newer and Intel Arc A7. But at the same time, technically the technology can work on older adapters: all that remains is to wait for the tests.
Components
This will be the basis for the GeForce RTX 5090. The GB202 GPU will receive almost 25,000 CUDA cores and a 512-bit bus
The release of the GeForce RTX 5090 is still very far away, but gradually more and more information about this video card is appearing. Now, a very reliable insider Kopite7kimi has shared some characteristics of the GB202 GPU, which will form the basis of Nvidia’s new flagship.
Judging by these data, the new GPU will receive 12 TPC blocks of eight SM blocks each. If the number of CUDA cores in one SM block does not change, and no rumors say anything about this, then the GB202 will receive 24,576 CUDA cores. For comparison, it has 18,432 CUDA cores.
At the same time, the RTX 5090 will likely receive GB202 in an incomplete configuration. For example, the RTX 4090 has 16,384 active CUDA cores, which means 16 SM units are disabled, or about 11%. If the situation is approximately the same in the case of the new generation, then the RTX 5090 will receive approximately 170 SM blocks or 21,760 CUDA cores. Of course, these are all very rough estimates.
It is also reported that the GB202 will receive a 512-bit memory bus. Whether the RTX 5090 or only the RTX 5090 Ti will receive it, if one comes out at all, is still anyone’s guess. But in any case, the GPU itself will have a much wider bus than the AD102. And if Nvidia uses GDDR7 memory in the new generation, the throughput of the RTX 5090 compared to the RTX 4090 will increase incredibly.
Insider kopite7kimi was the first to accurately describe the parameters of GeForce RTX 30 cards, and he also described RTX 40 cards more than once. Overall, it is one of the most reliable sources in this segment.
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