Satyajit Mishra
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Okay. If I remember correctly I saw 2 videos on youtube; where they tried to drill holes in the front panel & it was a disaster. BTW drilling holes in the front panel will limit the flexibility of the front panel to mount fan or the PSU at desired places, right...? Another thing to improve the intake, we can brute force it too, right...? I mean using a static pressure optimized fan; if a SP optimized fan can push air through a radiator, it can do the same with perforated panel too. Yes, the air flow will be much lower than a hole, but it will be at the cost of retaining flexibility. -
Yes, I get that. This is exactly the reason why I posted here. But the graphic card's exhausted hot air being circulated within the case is not an issue limited to this case. Wouldn't perforating the side panel of any case improve the overall thermals of that said case?
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The Q500L is infamous for being thermally incompetent in its stock settings (only 1 exhaust fan). But it's thermals improved somewhat when more fans were added. Please correct me if I am wrong. Another problem with this case was there was no proper intake from the front panel. But I think this can be overcome by using static optimized fans in the front panel as well as using an intake fan at the top panel's front side; if the PSU was moved to the bottom. I mentioned moving the PSU to the bottom because if the PSU was at the top then it will block maybe 50% of the fan at the top front. Now the only thing that is of concern is the graphic card; suppose it uses an open air cooler instead of a blower. In this case the graphics card can be fed cool air from either the bottom of the case or if the PSU is mounted at the top, then it can get cool air from the front panel's bottom side. Then there is the problem of the hot air that is dumped by the graphics card. This hot air will be circulated within the case & eventually will affect the cpu temps, right...? So what if the side panel of the case is perforated or at least the bottom half? I mean if the case is optimized for positive pressure & the fact that the side panel or the bottom part of the side panel is perforated will push the hot air straight out of the case, right...? P.S. I forgot to mention the feet of the case & how they are not thick. I think that can be solved too. I am a total noob at this, but I would very much appreciate if someone can tell me if I am wrong about anything I mentioned in the above sentences.
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I tried different configs while 2 Cores Disabled (2CD) & below are the stats; 1. 2CD with ITB Off & HT Off Under load: 18W (in HWMon), 47W (from PSU) & temps is in the high 50C. BTW while using this config the system became choppy & the video playback wasn't smooth. Also the idle power draw is 1.4W (HWMon), 22W (PSU) & 43C temp. 2. 2CD with ITB On & HT Off Under load: 27W (in HWMon), 60W (from PSU) & temps is in the low 70C. BTW while using this config the system was a little choppy & video playback was better than the 1st config, but still not acceptable. Also the idle power draw is 0.6W (HWMon), 20W (PSU) & 43C temp. 3. 2CD with ITB Off & HT On Under load: 22W (in HWMon), 52W (from PSU) & temps in the low 60C. BTW while using this config the system & video playback were smooth. So far this is the best config. "Electronics Wizardy" was right, HT is more efficient, when there are fewer cores. Also the idle power draw is 0.5W (HWMon), 19W (PSU) & 41C temp. By under load I mean AIDA64 Stress Test (CPU, FPU, Cahce & GPU). And all of the above values are approximate. Looking back it would have been much better to have recorded min, max & avg values. Can someone please tell me what; Package Power Limit, Platform Power Limit & Power Limit do exactly? I think Package Power is for the CPU, Platform for the entire system, but I am unsure about the Power Limit option. BTW all these these are set to auto & the value beside them is 65.
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Yes I don't need the speed. Actually I'm not looking forward to buy a CPU for this system, as I have a perfectly working CPU. I understand that the pentium will playback 4k fine & will run much cooler. Actually in India a 7th gen i7 will hardly go for 66-92USD; especially because it's a non-K variant. Even if it went for more, I would rather have a powerful CPU for backup than money. Actually I am keeping this i7 as a backup, I recently upgraded to a Ryzen 5 3600X & ASRock B450M Steel Legend. The thing is both of them are pretty expensive & in case any one of them stop working, I might be left without any working PC for weeks. I learned this lesson the hard way; my i7 was a rushed purchase. Before the i7 I had a 5th gen i5 & I sold it off prematurely. Yes, that is my point exactly. I want to see if I can run a powerful CPU at a lower powered state for a targetted use. BTW fiddling with the disabling cores & lowering TDP etc features will not affect system stability or CPU life span, right...? I meant in my use case.
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Okay. I think I will try the BIOS settings first & then I will try XTU. No it doesn't get hot at stock speeds with no TB. Okay. Okay. CPU Power Draw when HT is On is approximately 40W (in HWMonitor), 85W (from PSU) & the temps were hovering between high 70C & low 80C. When HT is Off, it was 30W (in HWMon), 70W (from PSU) & the temps were in the high 70C. These stats are when the ITB is disabled. I am using the AIDA64 Stress Test; stressing CPU, FPU, Cache & GPU. Can someone please tell me should I disable 2 or my core or fiddle with the Power Limit settings? Which will be more efficient way to reduce power draw without loosing significant amount of performance. BTW by performance I mean smooth video playback.
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I was able to change the settings. Which is more efficient way to reduce power draw; lower core count or or lower clocks? I mean without losing significant amount of performance.
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I just want to confirm something. If I had a Z series mobo, will I be able to access the "Limit Power" features? And if I had access to these settings, would I have been able to get lower power draw & temp when my system was under load (by load I mean playing back a 4k 60fps x265 video)? I also wanted to ask should I keep the ITB & HT settings disabled? Because keeping them disabled, lower my temp; both idle & under load.
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Sorry I mean to say system power draw is 30W. Max load temps reaches high 90C within a minute while using AIDA64 Stress Test. I have tried Prime95. But if AIDA64 can push it to 97C max within a minute. Prime95 will reach 100C within a second I am sure. BTW I will never put this much load on my i7. But the only reason I tried AIDA64 is to see if turning off ITB & HT made a difference or not. I remounted the cooler twice & replace TP twice too. Although I haven't used this intel Stock cooler ever. When I purchased the i7, I already had a CM 212 EVO & I used that back then. I never ran my i7 with the stock cooler before. I mean the stock cooler might be faulty, but at this point I am okay with it. Yes i understand. Wait, isn't disabling TB do the same thing as lower the clock speeds?
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I can't right now. But the there is an image online that resemble my setup completely. Yes I tried it twice & I also replace the thermal paste twice too. BTW I am using the Cooler Master MasterGel Nano. Yes I understand. I am just looking to see if its possible to run it cooler or not. In the future I am thinking of swapping out the Intel Stock cooler with a low profile aftermarket cooler from Cooler Master or Noctua.
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When the ITB & HT settings are on, playing a 1080p x265 video, my i7 temp hovers around 70C & in AIDA64 Stress Test pushes my i7 to 97C within a minute. But when I disable ITB & HT, playing that 1080p x265 video, my i7 temp hovers around 60C & in AIDA64 the temps hover around mid 80C. Are there any other options that can lower the temp further under load. BTW I also have Voltage Optimization, Platform Power Management, PEG ASPM, PCH ASPM, DMI ASPM & ErP enabled. I am not using the XMP profile for my RAM.
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Okay. I am okay with 30W power draw at idle. But I am not okay with 54C at idle. BTW these states are so, when everything is turned on (ITB & HT). When I turn off these settings, the Idle power draw remains same at 30W, but the idle temp drops down to 46C. My CPU power draw at idle is 30W approx. It dips down to 25W sometimes, but the avg is 30W. I will give it a try today. BTW I was informed by a few mother users that my B250 mobo will not support undervolting/underclokcing.
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Okay. Got it. I get that it sips power at idle, but I am looking for lower power draw under load.
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30W is the total system (from the PSU) power draw at Idle. 30W BTW turning on Turbo Boost raises the Idle temp from 48C to 54C. Okay Yes, I understand.
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Oh. Actually I always thought that the B250 doesn't support overclocking, but I didn't know it will not support underclocking. That mean I am stuck with this mobo. Are there any alternatives to use on this motherboard to lower power draw under load?
