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Performance is in line with expectations of a 120W part, though there’s no escaping the fact regular 170W 7950X is the superior chip for demanding multi-threaded work. Derived by dividing the same multi-core score by recommended pricing, value, too, is okay given how much application and gaming performance is on offer. Conclusion You won’t be able to split the first dozen processors when playing this game, but it sure feels good knowing you have the best CPU for the job. The cores, and by extension operating system, are oblivious to the bonding of extra L3. X3D appears and largely performs like a triple-dense L3 monster. We say largely as there is a minor overhead of four cycles in accessing the upper cache, but that’s a pretty good return all things considered. 3D V-Cache as implemented on Zen 3, which is the same as Zen 4
AMD Ryzen 9 7950X3D 16 Core AM5 CPU/Processor - Scan
After traditional levers have been twiddled and optimised to the nth degree, out-the-box thinking is required to increase performance without resorting to the age-old, sledgehammer technique of slamming as much power through the best CPU as possible. AMD believes it has uncovered a gem in X3D technology. First seen on Ryzen 7 5800X3D, the latest 7000 Series range is receiving cache-enriched upgrades to not one but three processors. Ryzen 9 7950X3D and Ryzen 9 7900X3D stride forward today, with Ryzen 7 7800X3D arriving April 6.
We’re curious as to why AMD restrained power so much when a 170W TDP and associated 220W PPT is fine for 7950X. Is it really a case of ensuring an extra 64MB of L3 cache doesn’t overheat, or is there something more sinister going on? Putting our conjecturing hat on, equipping X3D with the standard 170W TDP would make regular 7950X redundant. Product positioning and all that. Hefty performance requires ample cooling. The more advanced your chosen processor is, the higher the TDP will be. TDP stands for ‘Thermal Design Power’ and refers to the maximum amount of heat generated. Our Services Delivery Information Warranty Information Terms & Conditions WEEE Policy Finance Options Business & Education
AMD Ryzen 7000 Series - OcUK The Best CPU Coolers for the AMD Ryzen 7000 Series - OcUK
Extracting more performance from CPUs is an inherently complicated business. Increasing frequency burns power, going architecturally wider burns die size, jumping down successive manufacturing nodes is damn expensive. Who’d be a CPU lead architect? New problems arise faster than extant ones are solved. Fundamental limitations ought to encroach on step-change improvements from one generation to the next, yet AMD and Intel continue to deliver in spades. Today’s best Ryzen 9 and Core i9 chips smash predecessors from merely three years’ ago. In Darth’s seminal words, ‘impressive, most impressive.’
Not the start we had expected. After numerous runs, we couldn’t get 7950X3D past the scores recorded by single-CCD 5800X3D. Multiple Intel chips are faster, too, and perusing AMD’s supporting documentation shows X3D a fair bit slower than rival Intel Core i9-13900KS. The first part is a 3D V-Cache performance optimiser driver that’s included in chipset software 5.01.03.005 or newer. According to AMD, ‘the driver evaluates the performance in real time and dynamically modifies the preferred cores seen by Windows based on workload preference for the 3D V-Cache CCX or the standard die.’ Run automatically for best performance, behaviour can be overridden by the user for manual tinkering. The emergence of Zen 4-based desktop CPUs late last year paved the way for X3D models to follow soon after. AMD has duly delivered on that rollout by releasing three chips touting enhanced cache for improved performance in gaming.
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