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AMD Ryzen 7 7800X3D Desk-top Processor (8-core/16-thread, 104MB cache, up to 5.0 GHz max boost)

£9.9£99Clearance
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The Ryzen 7 7800X3D has all the accommodations we expect from a modern chip, including DDR5, PCIe 5.0, and the latest USB standards. The chip also has an integrated graphics engine, but it isn't suitable for gaming.You can see our iGPU testing here. It may be by the slimmest of margins over its own sibling, but on average, the Ryzen 7 7800X3D is the fastest gaming chip money can buy, dethroning the 7950X3D at a much friendlier price point. It is also much faster than both of the Intel contenders. You can tinker with the performance profile to a degree in the Ryzen Master utility if you need to eek out some extra non-gaming performance, but how effective that will be will take a lot more testing on my part than I have time for in this review. Personally, I wouldn't even want to push it further than where its at, since the prospect of a processor running under 100W paired with a newer GPU running less than 200W has me seeing mini gaming PC builds dancing through my head. AMD have really nailed this CPU for gamers who didnt want to splash out on the 7900X 3D or 7950x 3D versions if they have no workstation needs (I do use keyshot, blender and solidworks however and this is still more than sufficient in those apps). In honesty after this release I genuinely see even less reason why they even bothered to launch the 7900X3D version, it just seems they wanted to embarass intel on all available price points rather than it serving any actual purpose to the consumer.

But the main reason none of my friends are upgrading their PC is not even the price, it's just that PC games have been so bad lately. In contrast, Intel's chips consume far more power in every type of workload, resulting in higher thermal output.In addition to synthetic tests, I used this processor as my main gaming chip for a few days to informally measure real world performance, while noting any games where performance was particularly exceptional in either direction. Overall, the Ryzen 7 7800X3D’s performance placed it more on par with the Ryzen 5 7600 and the last-generation Intel Core i5-12600K. However, the Core i5-12600K also defeated the Ryzen 7 7800X3D in each of these tests. The Ryzen 5 7600 was generally slower than the Ryzen 7 7800X3D, with its two fewer cores, but in single-threaded tests it too held the upper hand over the 7800X3D. The rest of the test results were mixed, with the Ryzen 7 7800X3D unable to secure any more clear wins. Performance in the rest of these tests were all close together, which does show that, with a card like the Nvidia GeForce RTX 3080, at least with this game subset, you won’t see much in the way of a performance benefit from the Ryzen 7 7800X3D. You will likely need, as AMD advised us, a top-tier card like an RTX 4080 or RTX 4090 to see the 7800X3D pull away. But when you consider that 0.44%—that's less than half of one percent!—of PC gamers are using a GeForce RTX 4080 or 4090 per March 2023's Steam Hardware Survey these days, that's a niche within a niche's niche. Integrated Gaming Tests

The most amazing thing about the gaming performance of the Ryzen 7 7800X3D, honestly, is its efficiency. All of the scores I got from my testing never pushed more than 80W of power through the chip, and at less than 80 degrees Celsius, you won't need a beast of a cooling solution for this processor. In fact, the Ryzen 7 7800X3D appears to fall into the standard 65W profile that specs a maximum of 88W of power consumption (PPT). AMD has spec'd a higher 120W TDP rating for the 7800X3D, but it appears to be running closer to the 65W TDP envelope during normal use — given our measurements, the Ryzen 7 7800X3D's 120W TDP rating seems far overprovisioned. This means the chip is basically operating in Eco Mode, which confers massive power consumption and efficiency benefits. AMD's new AM5 platform generally carries a premium over the Intel motherboard ecosystem, but it does afford extended forward compatibility — AMD plans on supporting the AM5 platform until 2025+. This is already an enormous amount of L3 cache to have on a chip, but AMD pushes this to the next level by applying a 64MB 3D V-Cache chip to the Ryzen 7 7800X3D’s CCX. In total, this gives the Ryzen 7 7800X3D a massive 96MB of L3 cache. However, the 3D V-Cache cache might be better referred to as L4 cache, as it is architecturally separate from the CCX’s L3. The 3D V-Cache is also ever so slightly slower, though AMD has said the performance difference here is exceedingly small. Surprisingly, after equipping both chips with DDR5, we basically have a tie with the 13700K on a Z790 board and the 7800X3D on an X670. The Core i9-13900K simply isn't worth the cash if you're aiming solely for gaming, but it has its own attractions on the productivity side.

The one area where the Ryzen 7 7800X3D has a hint of success is in the gaming market, but it's walking a thin line there. AMD provided us with data that clearly shows the Ryzen 7 7800X3D can perform better than the Intel Core i9-13900K or the AMD Ryzen 7 7700X when all three are paired with an Nvidia GeForce RTX 4090. Matching the Ryzen 7 7800X3D up against the formidable Intel Core i9-13900K, and you get a lower-tier processor that can get as many as 281 more fps in CS:GO, making the 7800X3D a very compelling chip for esports players on a more limited budget. If you're concerned about building a gaming-focused rig and everything else is a secondary concern, the Ryzen 7 7800X3D is by far the superior chip over the 13900K in terms of both outright performance and value. However, the Core i9-13900K is a better option than the 7800X3D if you use productivity applications frequently, and ensuring the highest level of performance is paramount. You should also consider that AMD has both the Ryzen 9 7950X3D and Ryzen 97900X3D on offer, both of which offer more cores for the productivity minded while maintaining 13900K-beating levels of gaming performance. Just be prepared to pay for the privilege of faster gaming performance. In general, as you progress from X670E to A620, expect fewer features, fewer PCIe lanes and lower prices - although no doubt we'll see cheaper X670E and premium B650 boards that will blur the lines between the four different chipsets. X670 and X670E debut in September, while B650 and B650E arrive in October. Anandtech has a great article that goes more into depth on the differences between the various chipsets. What memory is best for Ryzen 7800X3D?

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