ET3D: TechSpot just posted a new article which helps illustrates nicely the difference between the necessity of upgrading GPU's vs. CPU's.
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Rise of the Tomb Raider
Sorry, but that's a bad joke, isn't it?
Have a look at the list of the last CPU benchmarks from Techspot again, where I posted the performance (=fps) difference between a new i7 and the old FX 6350. real.geizterfahr: Rise of the Tomb Raider - 8.5%
Doom - 31%
Battlefront - 20%
Batman Arkham Knight - 25%
Witcher 3 - 22%
Project Cars - 26%
GTA V - 18%
Battlefield Hardline - 12%
You took the game that's easiest on the CPU and lost by far the least performance with an old CPU to prove your point that CPUs aren't important. That's the same as "proving" that the CPU is THE MOST IMPORTANT component for gaming, by taking
Fallout 4 as an example, where an i7 6700 gets 113 fps, while a FX 6350 gets only 58 fps. Seriously, that's laughable -.- If you want to believe what you say: Do it. I can't help you there...
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edit: Funnily enough, PCGames Hardware (a German magazine about gaming with focus on hardware) updated their
CPU benchmarks (they took demanding scenes in current games), so they just showed up on their main page again. The benchmark results are the average of the following games:
Anno 2205
Asssassin's Creed Syndicate
Crysis 3
Dragon Age Inquisition
F1 2015
Far Cry 4
Starcraft 2 Legacy of the Void
The Witcher 3
And these were the settings they chose for all eight games: 1.280 x 720, no AA/AF, minimal or no Post-Processing (i.e. Ambient Occlusion or Bloom)
If you chose "Gaming" from the left drop down menu (because we don't want to know the performance in "Applications") and kick out the six fastest Intel CPUs (with 6-10 physical cores and 12-20 threads), you'll get the result that the FX 6300 only delivers 52% of the performance of the i7 6700k (the top CPU with 4 cores/8 threads). And by th way: They chose to halve Starcraft 2's weight in the gaming benchmark, because it's a game that is way more CPU demanding than the other games.
But now I'm really out of this, because this really doesn't make any sense.