But leaping out is the fact the high end the Zen4 cpu is often well above 30% extra performance within the same power budget
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*** AMD "Zen 4" thread (inc AM5/APU discussion) ***
But leaping out is the fact the high end the Zen4 cpu is often well above 30% extra performance within the same power budget
CPU temp isn't the complete picture. Rip the cooler off a 5600x, temps go to 100c. Has the room got any hotter?
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You'd expect that though being on TSMC 5nm vs Intel 10nm.
Associate
As others have tried to explain, the heat of the air coming from your PC is not directly related to the temperature of a thermistor in the middle of the processor. It is only related to the amount of power that is being used by the components in the PC, including the CPU. This is pretty basic physics.
I agree that "95c is acceptable" seems quite the switch around. I guess we just have to get used to it and adjust our fan (or pump) curves accordingly.
But it is the power that makes the room hotter.
And who's problem is that ?
Soldato
You can adjust the max temp down to say 65c, looking a results at that temp the performance difference is negligible. I would aim for 80c.
Soldato
But that entirely has to do with the motherboard and not the cpu, doesn't it?
Soldato
Because you are comparing it to last gen instead of it's actual competitor that comes out in a few weeks? I mean if raptor lake launched 2 days ago, would you be comparing it to the 5950x and claiming efficiency and performance wins? No, that would be dumb since zen 4 would be right around the corner. Well...
Because you are comparing it to it's actual competitor - because it is
fixed that for you
Will need to see official reviews looking at power consumption in games, productivity etc before we can know this! The 12900k was more efficient in games than the 5950X, with the latter being more efficient in rendering/MT workloads. I suspect we'll see similar with 13900k vs 7950X, though IMO the 13900k will make further gains over AMD in this area, due to the efficiency of the E cores.
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1KW seems the minimum safe level - personally I'm going to jump on a ATX 3.0 1200W titanium rated PSU when they're available, though could be waiting months for the fully ATX 3.0 ones.
Zen4 is going to absolutely slay Intel in laptops, the efficiency is amazing. Zen4 only has high TDP on desktop because for years PC gamers have been saying they don't care about power draw only performance, so that's what you get now, max performance. But of course the CPUs are amazingly efficient and can be manually tuned by owners and in laptops they will be by default tuned that way too - going to see Zen4 gaming laptops with cool temps and long battery life and with higher single and multithread performance than a 240w desktop 12900k, nothing short of amazing
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Associate
When I look at the prices 7700X vs 5800X3D, its basically the same price, except the AM5 needs a motherboard and RAM as well so theres that. So I might wait for the 5800X3D to come down in price and get that and wait for Zen 5 or 6. DDR5 prices have to normalise first.
I would question why you want to spend £300 on a motherboard.
Look for the features you want, then decide if they are worth the price they are being sold for.
Soldato
Hopefully somebody will come on and help you .
I think in a few weeks you have cheaper motherboards coming out I think
that havent got so many features if you're prepared to wait.
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Soldato
that's 30 seconds of my life I won't get back. Jeez
Soldato