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amazon AMD Ryzen 9 7900X reviews
Taking advantage of the Zen 3 architecture, AMD continued to launch the Ryzen 7000 series CPUs with the all-new Zen 4 architecture. So now, in the mainstream CPU segment, to become a pioneer in experiencing the pinnacle of processor technology, you can buy AMD’s Ryzen 9 7900X, or Core i9-13900K from AMD. So which home will be where you belong?
We have to admit that AMD AM5 is still the best choice in terms of long-term investment costs, just like AM4 has been doing for us gamers during the past 6 years. Ready to experience the 7900X, let us share more with you in the section below.
By disabling 2 cores per CCD (Core Complex Die), AMD made the Ryzen 9 7900X from the same 2 CCD configuration as the 7950X. This means we will have 6 “Zen 4” cores in each CCD, each with its own 1MB cache, and 32MB of shared L3 cache per chipset. The 7900X has a base clock of 4.7GHz and a boost clock of 5.6GHz. This chip has a ceiling TDP of 170W and a PPT of 230W, the same as the 7950X. To cool this CPU, AMD encourages users to use an all-in-one (AIO) water cooler of 240mm or more, and especially the heatsink for socket AM4 will still be compatible with socket AM5.
In addition, there is one more thing the Ryzen 7000 series in general and Ryzen 9 7950X, in particular, have integrated GPU. I will not dig into how powerful the iGPU performance of the Ryzen 7000 series is, but in general, it is not inferior to the iGPU that Intel has integrated for the Core i9. Therefore, in this regard, AMD Ryzen is no longer inferior to Intel Core like previous generations.
In essence, the Ryzen 9 7900X is a chip with up to 12 cores and 24 threads, and these are all “high-performance” cores (as Intel calls them). Meanwhile, the Core i9-13900K has up to 24 cores and 32 threads, but it’s 8 high-performance cores and 16 power-saving cores. In addition, because Zen 4’s IPC (instructions per beat) is improved by 13%, plus the clock can be boosted up to more than 5GHz, some tasks require high multi-threaded performance. Ryzen 9 7900X is still strong enough to “compensate” for the number of cores lost compared to Core i9-13900K.
Because the framework of this article is mainly about the investment cost of AMD and Intel PCs, I will not talk much about the performance part. However, Biareview still shares a few benchmark results of the Ryzen 9 7900X for your reference and comparison. In general, in both gaming and work tasks, depending on the nature of each application, the Ryzen 9 7900X may be slightly better than the Core i9-13900K, and vice versa. However, if you look closely in terms of gaming, the Core i9-13900K will prevail in most cases.
Now we start talking about the cost of installing a PC system with next-generation hardware, and the “appetizer” will be the amount of money you need to spend to buy AMD CPUs and motherboards Intel. Let me give you a specific example to make it easier for you to understand.
CPU, 2 7900X, and i9-13900K needless to say. As for the motherboard, for the most similar comparison, we will choose ASUS ROG CROSSHAIR X670E HERO (DDR5) for AMD, and ASUS ROG MAXIMUS Z790 HERO (DDR5) for Intel.
Since both platforms support DDR5 RAM, I will not mention the price of RAM in this. There will indeed be Z790 models that support DDR4 RAM for you to pair with the 13th generation Core I CPU, thereby saving you quite a bit of initial investment costs. However, because DDR5 RAM will be the future, I will prioritize choosing a motherboard that supports this RAM standard for long-term comparison. Besides, we still don’t know if the “Meteor Lake” 14th generation Intel processors will continue to support DDR4 RAM; if it doesn’t support it, you have to spend extra money to buy a new pair of DDR5 RAM. And AMD AM5 only supports DDR5 RAM, so it’s just DDR5, no need to think about DDR4.
Speaking of the AM5 socket case, I also continue to share the story of investment for the future. One thing must be admitted the Z790 motherboard must have a very terrible design to weigh the Core i9-13900K dinosaur, but according to my hand, the blue team has a tradition of replacing the socket every 2 generations. The 12th generation Intel Core “Alder Lake” and the 13th generation “Raptor Lake” both use the same socket, LGA 1700, so it is highly likely that by the 14th generation “Meteor Lake”, Intel will continue to replace the socket for compatibility with the new CPU. At this point, if you want to upgrade, you can only buy a new CPU and motherboard combo.
Meanwhile, AMD has promised that they will support the AM5 platform (LGA 1718 socket) for at least until 2025. That is, within the next 2-3 years, if you want to upgrade from 7900X to the next generation, then just replace the CPU, and update the motherboard’s BIOS to let it receive the new chip, that’s it, just like in AM4. Usually, AMD will release a new generation of CPU every year, so you will experience the power of at least 2-3 more Ryzen generations without having to spend money on a new motherboard. Another advantage of supporting the long-term AM5 platform is that you can continue to use the old heatsink without having to buy a new one. As for the story of Intel “Meteor Lake”, no one has said anything yet, but if it’s like when LGA 1200 switched to LGA 1700, you have to replace that new mount.
Speaking of heat dissipation, our Biareview has also tested 2 7900X and i9-13900K chips. The better the heatsink, the cooler the CPU will be, this is no longer debatable. However, there is one thing that you should keep in mind, at the default setting (in the BIOS), Core i9-13900K will consume more power than Ryzen 9 7900X, which means that the CPU will operate hotter. I will take the data when running Prime95 for a more intuitive comparison.
In the same stress test and using the same AIO Thermaltake Toughliquid 360 ARGB Sync water cooler (priced at about $130), the 7900X consumed about 230W of power and was hot at 93 degrees Celsius. After running for about half an hour, this chip There is still no sign of thermal throttle or pulse drop, and the Watt number remains the same. With the Ryzen 7000 series generation, AMD has designed the chip to boost itself to the highest possible clock speed, as long as the temperature is below 95 degrees Celsius. So although it’s hotter than 90 degrees Celsius, the 7900X is still working. Exactly according to AMD’s design.
Meanwhile, with the i9-13900K, after running for 1 minute, the CPU has shown signs of overheating because it has reached 100 degrees Celsius, and the power consumption is now up to 300W. Therefore, the chip had to manually lower the clock, and pump less power to “preserve life”, and after 30 minutes, the temperature stabilized at 85 degrees Celsius and consumed about 250W of power.
As far as I know, you can optimize the power on the Z790 motherboard so that the Core i9-13900K doesn’t lose too much performance but is cooler and significantly less power-hungry than when using the default setting. Thereby reducing the burden on the cooling system. However, the story at this point will depend on each person’s tuning experience, the quality of the CPU, and the capabilities of the VRM array on the motherboard; No one is the same. So to give a common denominator, I left the default setting for both CPUs.
Depending on the task, the CPU will have a different temperature, but the above stress test shows that in the heaviest load situation, to balance the 7900X and X670E combo, you only need the same heat sink as Thermaltake Toughliquid 360 ARGB Sync that we have. I use it is fine, or even 240mm or more AIO as recommended by AMD. If you go with the i9-13900K and Z790 combo, to exploit its performance, you will need the top-of-the-line AIO water cooler like the ASUS ROG RYUJIN II 360 ARGB or the Corsair H150i ELITE CAPELLIX LCD for up to $400, which is almost 3 times more than Thermaltake Toughliquid 360 ARGB Sync.
In a word, the combo of the Ryzen 9 7900X chip and X670E motherboard is not only the best AMD combo at the moment for ordinary users, but it is also a story of assurance for the future of gamers. Since AMD claims to support the AM5 platform through 2025 and beyond, you can rest assured that the X670E motherboard will last longer than choosing Intel’s Z790 motherboard.
where can you get a AMD Ryzen 9 7900X online
AMD Ryzen™ 9 7900X 12-Core, 24-Thread Unlocked Desktop Processor: Buy it now
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