[Comparison] AMD Ryzen 9 5900HX vs AMD Ryzen 9 4900HS – The new Ryzen 9 5900HX shows improvements in both 2D and 3D Rendering

AMD’s newest addition to the mobile market, the Ryzen 9 5900HX, is hitting the market and it is particularly interesting how the third generation of the Zen architecture will perform. That is why we wanted to compare it against several other high-performing CPUs.

Today we have the perfect opponent in the face of the Ryzen 9 4900HS, and we want to see just how big is the performance gap between the two if there even is one.

You can find detailed information about the best performing laptop CPUs in our Top Laptops CPU Ranking.

Today we are comparing the AMD Ryzen 9 5900HX against the AMD Ryzen 9 4900HS.

You can find more information about both CPUs here: AMD Ryzen 9 5900HX / AMD Ryzen 9 4900HS

Specs table

AMD Ryzen 9 5900HXAMD Ryzen 9 4900HS
ArchitectureZen 3Zen 2
Lithography7 nm7 nm
Cores / Threads8 / 168 / 16
Base / Max frequency3.30 – 4.60GHz3.00 – 4.30GHz
Cache20 MB8 MB
Memory typeDDR4-3200MHz, LPDDR4x-4266MHzDDR4-3200MHz, LPDDR4x-4266MHz

CPU benchmarks

In our CPU benchmarks, the Ryzen 9 5900HX performed better across both of them. To go into detail, the newer processor scored 16% higher in 3D Rendering with Cinebench 15, and in Photoshop, it was faster by nearly a second and a half. The performance upgrades are significant and it’s good to see the overall level of performance rise.

Results are from the Cinebench 20 CPU test (the higher the score, the better)

Results are from our Photoshop benchmark test (the lower the score, the better)


The Ryzen 9 5900HX was the undisputed winner in this comparison, scoring 16% higher in CInebench 15 and being 1.3 seconds faster in Photoshop. The jump in performance from one generation to the next is noticeable and we are glad that manufacturers aren’t stagnating and are always trying to improve their products by implementing new technologies or improving already existing ones.

All laptops with the AMD Ryzen 9 5900HX:

All laptops with the AMD Ryzen 9 4900HS:

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