AMD’s Ryzen 4000 mobile CPUs, introduced at CES, finally break the curse that had the company losing to Intel in laptops over and over again. This time, AMD promises it’s optimized Ryzen 4000 for mobile computing. And our first performance benchmarks prove it out.

Maybe you’ve already read our main review of the first Ryzen 4000 CPU we’re testing, the Ryzen 9 4900HS (the ‘H’ means its intended for power users, and the ‘S’ means it’s for “slim”-profile laptops). While that story contains a core suite of benchmarks, this story compiles all the tests we ran. We’ll add more benchmarks as we test more of the first generation—AMD expects about 100 laptops with Ryzen 4000 parts to ship this year.

asus zephyrus g14 white 05 Asus

The Asus ROG Zephyrus G14 features AMD’s new 8-core Ryzen 9 4000HS and a GeForce RTX 2060 Max-Q GPU in a 3.5-pound package.

How we tested

We conducted our tests using the Asus ROG Zephyrus G14 ($1,450 at Asus.com), a 14-inch laptop with Nvidia’s new GeForce RTX 2060 Max-Q, 16GB of RAM, 512GB SSD, and a Ryzen 9 4900HS CPU. The comparison laptops we’ve chosen are mostly in the ROG Zephyrus G14’s class, as well as ones far larger, and far heavier. We also include a laptop with an older 7th-gen quad-core, so you can see just how far we’ve come. They’re not apples-to-apples, which is nearly impossible in the highly customized world of laptop design. We could have controlled more for comparable size and weight—larger laptops tend to have better thermals—but AMD actually wants you to see what this 3.5-pound laptop can do against 4.5-pound, 5-pound, and 7-pound laptops featuring Intel’s CPUs.

For the most part we tested the Ryzen 9 4900HS in the laptop’s “turbo” setting, which is one click up from its default “performance” setting. For all of the other laptops, we selected the performance results, but did not include any actual overclocked scores for those laptops.

We should note that our comparisons mix mostly earlier test results with a few fresh numbers. Unlike our current desktop CPU reviews, where we keep the CPUs and re-run tests with refreshed drivers, BIOSes, and OS, laptop tests are a snapshot in time before we return review units to the company. It’s not ideal, but when we’ve been able to retest, we’ve actually found little change. We’ll have fresher results once laptops with Intel’s newer 10th-gen chips show up.

Ryzen 4000 CPU performance

We put the Asus ROG Zephyrus G14 through extra CPU tests to get a fuller view of what makes Ryzen 4000 tick. We start with the well-established Cinebench.

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Cinebench R15 is a 3D rendering benchmark made by Maxon. It’s based on the engine from its Cinema4D product, which figures in such products as Adobe’s Premiere video editor. This is an older test (but still relevant), so we have a healthy list of comparable Intel-based laptops.

Like most 3D rendering engines, the test is heavily multi-threaded. The more CPU cores and threads you throw at it, the more performance you get. It runs on today’s laptops in under a minute, so the all-core boost speeds of each laptop will have a larger impact.



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