HomeMobileAMD Ryzen 7 5800X3D review: cache money

AMD Ryzen 7 5800X3D review: cache money

The $449/£429 Ryzen 7 5800X3D is one thing a bit completely different from AMD, a processor that exists to display the facility of the agency’s 3D V-Cache design for its upcoming Ryzen CPUs and struggle off Intel’s 12900KS for the title of ‘quickest gaming processor’. It is also one thing of a final hurrah for the surprisingly long-lived AM4 platform, which debuted again in 2017 and outlasted half a dozen Intel generations as Ryzen CPUs improved in leaps and bounds.

So what precisely is a 3D V-Cache anyway? Let’s begin with the fundamentals. You’ll be able to consider a processor’s cache as a spot to retailer knowledge it is at the moment engaged on – a bit like RAM, however as a result of it is contained in the CPU it’s an order of magnitude sooner to entry and an order of magnitude smaller when it comes to the quantity of information it will probably retailer. Fashionable processors usually use three ranges of cache – L1, L2, L3 – with L1 cache being the quickest to entry however the smallest, L2 being slower however bigger, and L3 being slower and bigger once more. It is this third degree of cache that AMD has modified, transferring from a standard 2D design to a 3D design, a stack of cache that takes up extra vertical house. This enables for far more knowledge to be saved contained in the CPU directly, thus growing the possibilities that the information wanted is already inside and dashing up any subsequent processing.

AMD is slated to make use of this know-how for its future Zen 4 processors, however within the right here and now it is simply this one particular 5800X3D, an upgraded model of the Ryzen 7 5800X that launched again in 2020. In comparison with the 5800X, the 5800X3D trades a little bit of frequency and a few overclocking controls for a considerably bigger 96MB L3 cache – triple the dimensions of the 5800X’s.

CPU design Increase Base L3 cache TDP RRP
Ryzen 5950X Zen 3 16C/32T 4.9GHz 3.4GHz 64MB 105W $799
Ryzen 5900X Zen 3 12C/24T 4.8GHz 3.7GHz 64MB 105W $549
Ryzen 5800X3D Zen 3 8C/16T 4.5GHz 3.4GHz 96MB 105W $449
Ryzen 5800X Zen 3 8C/16T 4.7GHz 3.8GHz 32MB 105W $449
Ryzen 5700G Zen 3 8C/16T 4.6GHz 3.8GHz 16MB 65W $359
Ryzen 5600X Zen 3 6C/12T 4.6GHz 3.7GHz 32MB 65W $299
Ryzen 5600G Zen 3 6C/12T 4.4GHz 3.9GHz 16MB 65W $259

Earlier than we get into the primary take a look at outcomes, let’s briefly cowl the rig we’re utilizing. For the AMD aspect, we’re utilizing an Asus ROG Crosshair 8 Hero, whereas Eleventh-gen Intel will get an Asus ROG Maximus Z590 Hero and Twelfth-gen will get the Asus ROG Z690 Maximus Hero – all high-end boards for his or her respective platforms. DDR4 motherboards used G.Talent 3600MT/s CL16 reminiscence, whereas Twelfth-gen Intel acquired the good thing about sooner however higher-latency Corsair 5200MT/s CL38 RAM.

The AMD and Eleventh-gen Intel CPUs had been cooled with an Eisbaer Aurora 240mm AiO, whereas the Twelfth-gen testing was performed with an Asus ROG Ryujin 2 360mm AiO. (And to reply the plain query: 240mm and 360mm AiOs have a tendency to offer equal efficiency primarily based on our testing – particularly for an open air take a look at bench in cool (21C) ambient circumstances. The one distinction tends to be fan pace, which is larger on the 240mm than the 360mm.) Our rig was accomplished with a 1000W Corsair RM1000x energy provide from Infinite Computing.

With the intention to cut back run-to-run variance and guarantee we’re CPU-limited as a lot as doable, we’re utilizing the Asus ROG Strix 3090 OC Version. This can be a huge three-slot, triple-fan design that retains the cardboard surprisingly cool and quiet.

One of many greatest questions over the 5800X3D is strictly the place that upgraded cache will are available helpful – as a result of if a sport or different utility would not match a selected efficiency profile, it could see no efficiency benefit in any respect operating on the 5800X3D – and certainly, it could even run worse because of the clock pace that AMD has sacrificed to make the design work.

To seek out out, we have examined the 5800X3D in a spread of content material creation and gaming eventualities – in opposition to the unique 5800X and quite a few different latest AMD and Intel processors. We’re hoping to see some huge efficiency will increase, particularly in video video games, however we’ll begin with a few fast content material creation benchmarks: a Cinebench R20 3D render and a Handbrake video transcode.

CB R20 1T CB R20 MT HB h.264 HB HEVC HEVC Energy Use
Core i9 12900K 760 10416 70.82fps 29.26fps 373W
Core i7 12700K 729 8683 57.64fps 25.67fps 318W
Core i5 12600K 716 6598 44.27fps 19.99fps 223W
Core i5 12400F 652 4736 31.77fps 14.70fps 190W
Core i9 11900K 588 5902 41.01fps 18.46fps 321W
Core i5 11600K 541 4086 29.00fps 13.12fps 250W
Ryzen 9 5950X 637 10165 70.28fps 30.14fps 237W
Ryzen 7 5800X3D 546 5746 42.71fps 19.10fps 221W
Ryzen 7 5800X 596 6118 44.18fps 19.50fps 229W
Ryzen 5 5600X 601 4502 31.75fps 14.43fps 160W

Neither content material creation result’s significantly spectacular for the 5800X3D, which outperforms the 5600X and Intel 12400F however falls behind its erstwhile opponents just like the 12900K, 12700K and 5800X (the latter by between two to 6 p.c). This is not an enormous shock – neither process would logically profit from having bigger cache, so that you solely see the impact of the brand new CPU’s lowered core clocks in comparison with the usual 5800X. Nonetheless, the outcomes aren’t disastrous both; that is nonetheless a wonderfully succesful CPU for these duties that handily outperforms prior generations, simply not a class-leading one.

With these out of the way in which, let’s transfer onto the enjoyable stuff: testing how the 5800X3D performs in a spread of video games. Click on the fast hyperlinks under to maneuver onto the titles you are most all for, or hit the ‘subsequent web page’ button to take all of it in!

AMD Ryzen 7 5800X3D evaluation

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