July 4, 2022

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AMD Ryzen 7 5800X3D review: The Money Cache

AMD Ryzen 7 5800X3D review: The Money Cache

The $449/£429 The Ryzen 7 5800X3D is something a little different from AMD, a processor that’s there to show off the power of the company’s 3D V-Cache design for upcoming Ryzen CPUs and battle Intel’s 12900KS for the title of “fastest gaming processor.” It’s also a final moment for the surprisingly long-lived AM4 platform, which debuted in 2017 and has passed half a dozen generations of Intel as Ryzen CPUs have improved by leaps and bounds.

So what exactly is 3D V-Cache anyway? Let’s start with the basics. You can think of a processor’s cache as a place to store the data it’s currently working on – a bit like RAM, but because it’s inside a CPU, it’s faster to access by volume And the An order of magnitude smaller in terms of the amount of data that can be stored. Modern processors typically use three levels of cache – L1, L2, L3 – with L1 cache being the fastest to access but the smallest, L2 being slower but larger, and L3 being again slower and larger. This is the third level of cache that AMD has changed, moving from traditional 2D design to 3D design, a set of cache that takes up more vertical space. This allows more data to be stored inside the CPU at one time, thus increasing the chances of the required data actually being inside and speeding up any subsequent processing.

AMD is slated to use this technology in its future Zen 4 processors, but for now, it’s only this particular 5800X3D, an upgraded version of the Ryzen 7 5800X launched in 2020. Compared to the 5800X, the 5800X3D trades in bits of frequency. And some overclocking controls for a much larger 96MB L3 cache — three times the size of the 5800X.

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

Before we get into the first test results, let’s briefly cover the rig we use. For AMD we’re using the Asus ROG Crosshair 8 Hero, while the 11th generation Intel gets the Asus ROG Maximus Z590 Hero and the 12th generation gets the Asus ROG Z690 Maximus Hero – all high-end motherboards for their own platforms. DDR4 motherboards used G.Skill 3600MT/s CL16 memory, while Intel made use of 12th generation Corsair 5200MT/s CL38 RAM, faster but with higher latency.

Eleventh-generation AMD and Intel processors were cooled with an Eisbaer Aurora 240mm AiO, while 12th-generation testing was conducted with an Asus ROG Ryujin 2 360mm AiO. (And to answer the obvious question: AiOs 240mm and 360mm hitches tend to deliver equivalent performance based on our tests—particularly for an outdoor test bench in cool (21°C) ambient conditions. The only difference tends to be the fan speed, which is higher at 240mm by 360mm.) Our rig was completed with a 1000W Corsair RM1000x power supply from Infinite Computing.

To reduce variance during playback and ensure that we are as limiting to the CPU as possible, we are using the Asus ROG Strix 3090 OC Edition. This is a massive 3-slot, 3-fan design that keeps the card surprisingly cool and quiet.

One of the biggest questions about the 5800X3D is exactly where the upgraded cache will be useful – because if it’s a game or other app that doesn’t fit a certain performance profile, you might not see any performance advantage at all working on the 5800X3D – and indeed, it might be Worse because of the clock speed that AMD sacrificed to make the design work.

To find out, we tested the 5800X3D in a range of content creation and gaming scenarios — against the original 5800X and a number of other recent AMD and Intel processors. We’re hoping to see some big performance increases, particularly in video games, but we’ll start with two fast-paced content creation benchmarks: Cinebench R20 3D rendering and Handbrake video conversion.

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

Neither content creation result is particularly impressive for the 5800X3D, which outperforms the 5600X and Intel 12400F but lags behind its previous competitors such as the 12900K, 12700K, and 5800X (the latter by 2 to 6 percent). That’s not a huge surprise – neither task would logically benefit from having a larger cache, so you only see the effect of the new CPU’s lower base clocks compared to the standard 5800X. However, the results are not disastrous either; This CPU is still quite capable of performing these tasks easily outperforming previous generations, but it is not a leading unit in its class.

With those out there, let’s get to the fun stuff: checking out how the 5800X3D performs in a bunch of games. Click the quick links below to jump to the titles you’re most interested in, or hit the Next Page button to take it all in!

AMD Ryzen 7 5800X3D Analysis