AMD Ryzen 9 7940HS vs Ryzen 7 6800H – Zen 4 is super versatile

 


In 2022, AMD didn’t bring anything new, instead, it targeted 2023 as their big year, finishing and releasing Zen 4 into the world, both in desktop and laptop form. Also, we’ve got Zen 3 and Zen 4 CPUs as part of the Ryzen 7000 series, making things even more confusing. However, today we want to see how much of a jump in performance you get from switching to Zen 4 from Zen 3 or Zen 3+, as we’ve got the AMD Ryzen 9 7940HS going against the Ryzen 7 6800H. We’ve also got them inside the same exact device, so the cooling is the same, giving both chips a very even playing field.


In terms of specs, both CPUs have the same number of cores and threads, however, the Ryzen 9 comes with much higher clock speeds, despite the lower base TDP. It also has 4MB of more cache, including support for faster DDR5 memory. Also, while we haven’t tested the new RDNA 3-based 780M iGPU, we’re sure that it can run laps around the older RDNA 2 unit inside the 6800H.

Specs table

AMD Ryzen 9 7940HSAMD Ryzen 7 6800H
ArchitectureZen 4Zen 3+
Cores / Threads8/168/16
Clock Speeds – Base/Boost4.00 – 5.20 GHz3.20 – 4.70 GHz
Cache24MB20MB
Lithography5nm10nm
TDP35W45W
Memory type

DDR5-5600, LPDDR5x-7500

DDR5-4800, LPDDR5-5200
Integrated GPUAMD Radeon 780MAMD Radeon 680M

Performance

Here we have two benchmarks, and as always, we’ll start with Cinebench. Zen 4 helps increase performance by 26%, which is not a small margin. The Photoshop difference is much smaller, however still in favor of the Zen 4 CPU.

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