entre 0 et 2% ,de mieux lol, ils ne servent à rien


https://videocardz.com/89478/amd-ryzen-3000xt-matisse-2-processors-review-roundup


un peu plus chez computerbase

 Performance increase in the test course
Counterparties Apps (single core) Apps (multi-core) Games (FPS) Games (Frametimes)
3900XT vs. 3900X + 3%                            ± 0%               + 3%                    + 4%
3800XT vs. 3800X + 4%                            +1%               + 3%                    + 4%
3600XT vs. 3600X + 2%                            +1%               + 3%                    + 6%


https://www.lesnumeriques.com/cpu-processeur/assassin-s-creed-valhalla-gratuit-avec-certains-ryzen-3000-et-ryzen-4000-n152213.html

Citation :

(It’s worth noting that at a 7% annual improvement needs to be met, if a new product comes out every 18 months, then to stay on the same trend each product needs a +10.7% improvement.)


 
+ou - 10% en gain en IPC à chaque génération minimum prévue.
 
 
 
et une petite partie sur les capacités de TSMC :

Citation :

We did have some shortfalls on chips when we first launched our highest performing Ryzens, and that was simply demand outstripping what we had expected and what we had planned for.  
That wasn’t a TSMC issue at all.


 
Tout va bien selon eux.

ou
https://www.nextinpact.com/news/104971-processeurs-core-8eme-generation-coffee-lake-plus-coeurs-dans-portables-rentree.htm

https://www.notebookcheck.net/Intel-Core-i5-8250U-i5-8350U-i7-8550U-and-i7-8650U-Kaby-Lake-R-series-launches-today.241768.0.html
http://www.anandtech.com/show/11738/intel-launches-8th-generation-cpus-starting-with-kaby-lake-refresh-for-15w-mobile

HFR : Thunderbolt 3 :

http://www.hardware.fr/news/15124/intel-veut-democratiser-thunderbolt-3.html

la fréquence CPU en Turbo est plus faible qu'haswell,
le TDP est en baisse de 2w, et la conso diminue.