AMD Ryzen 5800U review: Is it better than Intel’s 11th-gen mobile CPU?

AMD Ryzen 5800U review: Is it better than Intel’s 11th-gen mobile CPU?

Everyone can see that AMD Ryzen 5000 CPUs are enjoying a dynastic run of greatness. In our review of desktop Ryzen 5000 chips, they obliterated Intel’s desktop Core CPUs turning them overnight into good value chips. The same could be said of AMD’s Ryzen 5000 H-class chips in larger gaming laptops, which also outclassed the equivalent Intel CPUs.

The last win AMD is trying to notch won’t be so easy. Unlike Intel-based desktops and larger gaming laptops, which are powered by older and slower 14nm chips, the thin-and-light category of sub-three-pound laptops actually feature Intel’s most advanced CPUs: Its 11th-gen Tiger Lake. Built on its 10nm FinFET process using its newest cores and its best integrated graphics, Intel’s Tiger Lake CPUs won’t be the pushovers its 14nm siblings are. But when you’re on a roll like Ryzen 5000, it’s hard to see AMD coming up short. So sit back to see if Ryzen can make it three in a row.

AMD Ryzen 5800U review: Is it better than Intel’s 11th-gen mobile CPU? AMD

AMD’s last stop to claim complete performance dominance over consumer PCs is to beat Intel’s 11th gen Tiger Lake.

What is Ryzen 7 5800U?

Our review of the Ryzen 9 5980HS CPU. goes into detail about the Ryzen 5000 family. They are, for the most part, the same CPUs in core count and microarchitecture design. What sets the Ryzen 7 5800U apart from a Ryzen 9 5980HS, -H or -HX chip is simply how hot it’s allowed to run. While an H-class CPU might run at 45 watts and higher, most U-class chips have to fit into a 15-watt envelope.

asus zenbook um325 1 Asus

The Asus ZenBook UM325 features a beautiful OLED screen and Ryzen 7 5800U CPU.

How we tested

Our test laptop is the Asus ZenBook UM325. It features an eight-core Ryzen 7 5800U, Radeon graphics, 16GB of LPDDR4X/4267, a 1TB PCIe 3.0 SSD, and a 13.3-inch FHD OLED screen. It weighs 2.6 pounds. 

For our PC comparisons, we decided to pick laptops that are similar in size and weight: 

  • MSI’s Prestige 14 Evo is equipped with a four-core, 11th-gen Core i7-1185G7 with Iris Xe graphics, 16GB of LPDDR4X/4267 memory, a 512GB PCIe Gen 4 SSD, and a 14-inch FHD screen. It weighs 2.7 pounds.
  • Lenovo’s Yoga Slim 7 has an eight-core Ryzen 4800U with Radeon graphics, 16GB of LPDDR4X/4267 memory, a 512GB PCIe 3.0 SSD, a 14-inch FHD, and lap weight of 3.1 pounds.
  • Dell XPS 13 7390 has a six-core 10th-gen Core i7-10710U, UHD Graphics, 16GB LPDDR3/2667, a 512GB PCIe 3.0 SSD, 13.3-inch 4K screen, and lap weight of 2.8 pounds.
  • Dell XPS 13 2-in-1 7390 has a four-core 10th-gen Core i7-1065G7, Iris Plus 940 graphics, 16GB of LPDDR3/3777, 512GB PCIe 3.0 SSD, 13.4-inch FHD+ screen, and lap weight of 2.9 pounds.

Limitations of laptop testing

When you look at the performance charts below, remember that laptops aren’t as apples-to-apples comparable as desktops. While we believe the laptops here yield generally representative performance for each CPU, you cannot separate the CPU from the motherboard and cooling system attached to it, nor the individual PC maker’s recipe for how to run that chip. That basically means you’ll get some laptops with the same CPU that might be slightly faster, or slightly slower. 

3D Rendering Performance

We’ll kick off our performance testing with Maxon’s popular Cinebench R20. Based on the engine from its commercial Cinema4D, it’s a quick and easy way to gauge performance of a CPU using all of its cores and threads while rendering a 3D scene. 

Intel is no fan of Cinebench, arguing that it’s of little value to look at 3D performance when so few people would do that on a sub-three-pound laptop. It’s a fair point, but we find it valuable to gauge multi-core performance. We’d also argue that newer CPUs may finally make such tasks feasible on smaller laptops. 

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