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Would a 4690S be quieter to cool than a 4690?

altich88

altich88

altich88

Associate
Joined
28 Oct 2008
Posts
233
Hi,

Would the TDP saving of an i5 4690S make any noticeable difference regarding lower temperature/fan speed/noise?

I'm looking to build in a Bitfenix Prodigy and I'm not sure whether the 20W difference would be worth paying for or not?

Quietness is a primary concern.

Ta
 
If quietness > cost, maybe consider water cooling? :)

Your solution is probably more related to choice of cooler, rather than CPU ^^
 
OK cool. I'm guessing such a small difference in TDP might only matter in very small cases, whereas I have the room to use a decent size Noctua cooler so hopefully things will be fairly quiet.
 
Telecaster said:
If genuine quietness is a goal then he'd be best sticking with air cooling.
Click to expand...

To be fair, I have a 240mm radiator with two super quiet fans, and I've turned my pump voltage down a bit - it's not 'silent' but it isn't really noticeable over the normal noise level in the room (traffic, neighbours, wind, beer cans, etc). I'm pretty picky about PC noise, but to me, this is 'good enough' :)
 
Normally the s chips are very slightly better binned, but mostly just underclocked.

So you could buy a non s chip and underclock it and achieve 90% of the heat savings + have the option to run it full speed if heat turns out to be a non issue. Or even better, you could tweak the multiplier and voltage to your liking, getting the non s chip will give you more options there, and will no doubt be much cooler that a non-undervolted "s" chip

That's assuming you have a board that can change the multiplier and voltage.
 
new boy said:
Normally the s chips are very slightly better binned, but mostly just underclocked.

So you could buy a non s chip and underclock it and achieve 90% of the heat savings + have the option to run it full speed if heat turns out to be a non issue. Or even better, you could tweak the multiplier and voltage to your liking, getting the non s chip will give you more options there, and will no doubt be much cooler that a non-undervolted "s" chip

That's assuming you have a board that can change the multiplier and voltage.
Click to expand...

Ah I see. So that would require a K series processor and Z series board right?

Is it the lower voltage that yields lower temps or lower clock? Or both?
 
altich88 said:
Ah I see. So that would require a K series processor and Z series board right?

Is it the lower voltage that yields lower temps or lower clock? Or both?
Click to expand...

no. a Z board would be usefull, but some H boards can change multi + voltage too, namely those advertised at being able to overclock that pentium anniversary thing intel did.

both voltage and clocks lower your temps.

a cant be bothered to look at the exact clocks to be honest, but a non s will be clocked at say, 3.6GHz, and the s will be clocked at say 3.3GHz, by dropping the clocks and or voltage on the non s chip, you can achive almost the same levels of heat as the s version can. the s version MIGHT be very very very slightly better binned, thus might do lower clocks at less volts, but the difference will be very minor, and your manual tweaking mill be much better than what intel could achieve.
 
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new boy said:
no. a Z board would be usefull, but some H boards can change multi + voltage too, namely those advertised at being able to overclock that pentium anniversary thing intel did.

both voltage and clocks lower your temps.

a cant be bothered to look at the exact clocks to be honest, but a non s will be clocked at say, 3.6GHz, and the s will be clocked at say 3.3GHz, by dropping the clocks and or voltage on the non s chip, you can achive almost the same levels of heat as the s version can. the s version MIGHT be very very very slightly better binned, thus might do lower clocks at less volts, but the difference will be very minor, and your manual tweaking mill be much better than what intel could achieve.
Click to expand...

Cool thanks. That covers the board, but would I need a K series i5 to fiddle with the clock/voltage?
 
No. You can underclock any CPU / mess with the voltage as much as you like as long as the motherboard is capable.

FYI, I'm sure any CPU you put in there will be fine at stock clocks with a semi decent after market cooler, or probably even the stock cooler. from what I remember, its not the smallest case in the world?
 
If he considers an S cpu, there is no point in water cooling.
Get a Prolimatech Samuel and BeQuiet Shadow Wings fan (mid speed) and it will be more than enough to keep this cpu cool. And it will definetely last for ages.
 
Bigger the heatsink quieter it can be might even get away with passive with the right cooler and case / fans.
 
At low load (internet browsing etc.) the difference in power (and noise) between the S and normal will probably be negligible.

Even at full load I would be surprised if +20 W power consumption made the CPU fan spin much faster.

If quietness is a concern you should focus more on the case (especially damping any mechanical HDDs), CPU HSF (the bigger and slower fan the better), GPU (if applicable), and PSU fan, in roughly that order.
 
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