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Intel Core Ultra 9 285k 'Arrow Lake' Discussion/News ("15th gen") on LGA-1851

The idle power consumption truly sucks on zen 5 and zen 4. But there's still a possibility that it gets fixed with zen 6 when AMD implements a more advanced interconnect technology and if zen 6 is still on AM5 then it's a drop-in upgrade.

One of the only downsides of the Ryzen Z1 Extreme - it uses 4-5+ watt minimum at idle which isn't ideal, hoping they improve on that with future handheld SoCs.
 
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The idle power consumption truly sucks on zen 5 and zen 4. But there's still a possibility that it gets fixed with zen 6 when AMD implements a more advanced interconnect technology and if zen 6 is still on AM5 then it's a drop-in upgrade.

Yes, but I am not sure there is a solution to this.
The problem is "Quantum Tunnelling". Particles can jump over tiny junctions. It's a quantum effect and there is no stopping it. The smaller they make transistors the more this becomes a problem. We see this as leakage current. The smaller the transistors, the more they leak power, and power leakage generates heat. So the smaller the transistors the more heat they produce even when they are "off". The way intel is tackling this is to add cores that are less complicated, have fewer junctions, so leak less power. The way AMD tackle this is to tell users to add a bigger heatsink. :cry:
But yes, it is a problem. I'm just not sure what AMD are going to do about it, if anything. :rolleyes:
 
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Yes. The problem is that I am not sure there is a solution to this.
The problem is "Quantum Tunnelling". Particles can jump over tiny junctions. It's a quantum effect and there is no stopping it. The smaller they make transistors the more this becomes a problem. We see this as leakage current. The smaller the transistors, the more they leak power, and power leakage generates heat. The end result is the smaller the transistors the more heat they produce even when they are "off". The way intel is tackling this is to add cores that are less complicated, have fewer junctions, so leak less power. The way AMD tackle this is to tell users to add a bigger heatsink. :cry:
But yes, it is a problem. I'm just not sure what AMD are going to do about it, if anything. :rolleyes:

A lot of it is due to the "package power" utilisation with the separate IO functionality, etc. though actual power consumption at the wall, depending on PSU efficiency and matching to the system, isn't massively different across Intel or AMD - though some CPUs like the 7900X can be quite a bit higher than other similar CPUs.
 
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Yes, but I am not sure there is a solution to this.
The problem is "Quantum Tunnelling". Particles can jump over tiny junctions. It's a quantum effect and there is no stopping it. The smaller they make transistors the more this becomes a problem. We see this as leakage current. The smaller the transistors, the more they leak power, and power leakage generates heat. So the smaller the transistors the more heat they produce even when they are "off". The way intel is tackling this is to add cores that are less complicated, have fewer junctions, so leak less power. The way AMD tackle this is to tell users to add a bigger heatsink. :cry:
But yes, it is a problem. I'm just not sure what AMD are going to do about it, if anything. :rolleyes:
that's rubbish
 
A lot of it is due to the "package power" utilisation with the separate IO functionality, etc. though actual power consumption at the wall, depending on PSU efficiency and matching to the system, isn't massively different across Intel or AMD - though some CPUs like the 7900X can be quite a bit higher than other similar CPUs.
correct and I believe AMD are working on addressing this in Zen 6

Also, power supplies are only efficient when working at high output. At low power conversions they are very inefficient ~ 80%. 1200w PSU would require 70w+ at the wall to produce 50w DC. That's 20w waste for a start.
 
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I was content with my 9800X3D but now I'm seriously debating to go with the 265k. Currently writing this while watching a YouTube video and the power consumption at the wall is 125-135 Watt which is a lot for what I'm doing.
 
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I was content with my 9800X3D but now I'm seriously debating to go with the 265k. Currently writing this while watching a YouTube video and the power consumption at the wall is 125-135 Watt which is a lot for what I'm doing.

I have only read of such consumption, not having owned such a system.
Didn't such relatively high power consumption also factor for the other 7xxx series of CPU's..? Was it as high..?
Considering how many hours a day my 14700k system is idle / low use, rather than in standby, that would have an element of concern for me. Although I would need to see what mine is at the wall.
Do you know what the CPU itself typically draws at idle.?
To change from what you have though to an Intel based system have you worked out the ROI for how long it would take to recover the costs of doing that..? Hoping there are other reasons also to factor, if you considered such a move.
 
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I was content with my 9800X3D but now I'm seriously debating to go with the 265k. Currently writing this while watching a YouTube video and the power consumption at the wall is 125-135 Watt which is a lot for what I'm doing.

The total power consumption difference would only be 30W ish if you had a 265k. If you want a super efficient machine for web browsing and video consumption get a Mac mini m4.
 
I was content with my 9800X3D but now I'm seriously debating to go with the 265k. Currently writing this while watching a YouTube video and the power consumption at the wall is 125-135 Watt which is a lot for what I'm doing.
On the day-to-day stuff, the 285K does pull less than my 14900KS / 9950X from my daily use.

It depends on what your main use case is tbh.
 
I was content with my 9800X3D but now I'm seriously debating to go with the 265k. Currently writing this while watching a YouTube video and the power consumption at the wall is 125-135 Watt which is a lot for what I'm doing.
Enable ECO 65W or 45W(if you have that), performance for most thing will not be affected much but temps and power will be better.
 
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