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New PC with an NH-D15 and a 3600XT on open air - 85 degrees at 95 watts?

I just built a new PC with an NH-D15 (both 140mm fans attached) and a 3600XT. It reaches 95 watts through AMD's "precision boost overdrive" on Ryzen Master, but temperatures reach around 81-85 degrees, even with both fans on absolutely max speed. Manual 1.33v OC at 4.5GHz hits 100 degrees, I couldn't check the watts used in time. It might also help to note that the temperature difference between fans at 100% and fans at 20% is literally nothing, the heatsink fins are barely warm, and the idle temperature is 40 degrees.

 

I am using AIDA64 Extreme Edition, Cinebench is about 8 degrees cooler for some reason. I've tried taking the NH-D15 off the CPU and screwing it back in 4 times, and I tried everything from very little to a lot of thermal paste (NT-H1). Case side panels are both off, air is relatively cold in the room.

 

The "TDP" of the NH-D15 is 220w, and I bought it due to the fact I thought it was better than a 260mm AIO, and thought I could have a ton of overclocking headroom for this 95 watt CPU. Are these temperatures and behaviors normal, or could I have done something wrong? My old 2600x at 130watts kept similar temperatures on my 212 evo, so I am very confused.

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Bad paste application or low mounting preesure if you ask me, tho Zen 2 runs much hotter than Zen+ at the same power draw due to heat density.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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1 minute ago, Jurrunio said:

Bad paste application or low mounting preesure if you ask me, tho Zen 2 runs much hotter than Zen+ at the same power draw due to heat density.

 

I've remounted like 4 times now, could the backplate be the issue or something? I tried screwing the mounting bracket down as much as it can possibly go, and I've repasted 4 times, each after remounting the cooler. Also, I found a 3950x running at 71 degrees on the same NH-D15, mine is on open air so it should have an advantage? 85 degrees for a much lower tier CPU must mean I am doing something wrong, right?

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Sounds similar to my 3700X system with D15. At stock (88W PPT limit) It's hitting low 80's in a case, one fan on cooler only, with RPM reduction cable fitted. Power density is a pain on Zen 2 if you like low temps.

 

3950X will have the cores spread over more than double the area compared to yours, hence easier to cool.

Desktop Gaming system: Asrock Z370 Pro4, i7-8086k stock, Noctua D15, Corsair Vengeance Pro RGB 3200 4x16GB, Asus Strix 1080Ti, NZXT E850 PSU, Cooler Master MasterBox 5, Optane 900p 280GB, Crucial MX200 1TB, Sandisk 960GB, Acer Predator XB241YU 1440p 144Hz G-sync

TV Gaming system: Asus X299 TUF mark 2, 7920X @ 8c8t, Noctua D15, Corsair Vengeance LPX RGB 3000 8x8GB, EVGA 2080Ti Black, Corsair HX1000i, GameMax Abyss, Samsung 970 Evo 500GB, LG OLED55B9PLA

Former Main system: Asus Maximus VIII Hero, i7-6700k stock, Noctua D14, G.Skill Ripjaws V 3200 2x8GB, Gigabyte GTX 1650, Corsair HX750i, In Win 303 NVIDIA, Samsung SM951 512GB, WD Blue 1TB, HP LP2475W 1200p wide gamut

Gaming laptop: Asus FX503VD, i5-7300HQ, 2x8GB DDR4, GTX 1050, Sandisk 256GB + 480GB SSD

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1 minute ago, porina said:

Sounds similar to my 3700X system with D15. At stock (88W PPT limit) It's hitting low 80's in a case, one fan on cooler only, with RPM reduction cable fitted. Power density is a pain on Zen 2 if you like low temps.

 

3950X will have the cores spread over more than double the area compared to yours, hence easier to cool.

Maybe you're right, that actually sucks. No idea why people would buy these kinds of coolers if they make literally no difference for Zen 2, thanks for your help.

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4 minutes ago, Overtime said:

 

I've remounted like 4 times now, could the backplate be the issue or something? I tried screwing the mounting bracket down as much as it can possibly go, and I've repasted 4 times, each after remounting the cooler. Also, I found a 3950x running at 71 degrees on the same NH-D15, mine is on open air so it should have an advantage? 85 degrees for a much lower tier CPU must mean I am doing something wrong, right?

 

You see the 3950X capping out at ~4.0 GHz.

The 3950X is not overclocked, running a stock, and auto turbo boosting to 4.0 GHz from the 3.5 GHz Base clock.

 

You are overclocking all cores to 4.5 GHz, and using 1.33V (what is your CPU LLC setting? Is it overshooting higher than 1.33V?)

 

That is a little high for Ryzen 3000-series CPUs for 2/47 use.

Supposedly, ~1.325V is the maximum safe high-current load, and beyond will degrade the CPU over time.

 

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2 minutes ago, -rascal- said:

 

You see the 3950X capping out at ~4.0 GHz.

The 3950X is not overclocked, running a stock, and auto turbo boosting to 4.0 GHz from the 3.5 GHz Base clock.

 

You are overclocking all cores to 4.5 GHz, and using 1.33V (what is your CPU LLC setting? Is it overshooting higher than 1.33V?)

 

That is a little high for Ryzen 3000-series CPUs for 2/47 use.

Supposedly, ~1.325V is the maximum safe high-current load, and beyond will degrade the CPU over time.

 

I was giving that overclock as a random example, I couldn't possibly use it as it's at 100 degrees and shutting down, I just thought it might be useful for someone to know it was at 100 degrees. I use 1.25v @ 4.3GHz and it's at 83 degrees now, is this a reasonable number or is it too high for my system? This OC is 91w.

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5 minutes ago, Overtime said:

Maybe you're right, that actually sucks. No idea why people would buy these kinds of coolers if they make literally no difference for Zen 2, thanks for your help.

The D15 was made long before Zen 2 existed. And they do still make a difference. The Wraith Prism that came bundled with the 3700X I find really noisy and the CPU runs even hotter. I did have slightly lower temps with a 240mm AIO than I did with the D15, but I don't know why. I wonder if the water block is more effective in spreading the heat than the heatpipes on the Noctua.

Desktop Gaming system: Asrock Z370 Pro4, i7-8086k stock, Noctua D15, Corsair Vengeance Pro RGB 3200 4x16GB, Asus Strix 1080Ti, NZXT E850 PSU, Cooler Master MasterBox 5, Optane 900p 280GB, Crucial MX200 1TB, Sandisk 960GB, Acer Predator XB241YU 1440p 144Hz G-sync

TV Gaming system: Asus X299 TUF mark 2, 7920X @ 8c8t, Noctua D15, Corsair Vengeance LPX RGB 3000 8x8GB, EVGA 2080Ti Black, Corsair HX1000i, GameMax Abyss, Samsung 970 Evo 500GB, LG OLED55B9PLA

Former Main system: Asus Maximus VIII Hero, i7-6700k stock, Noctua D14, G.Skill Ripjaws V 3200 2x8GB, Gigabyte GTX 1650, Corsair HX750i, In Win 303 NVIDIA, Samsung SM951 512GB, WD Blue 1TB, HP LP2475W 1200p wide gamut

Gaming laptop: Asus FX503VD, i5-7300HQ, 2x8GB DDR4, GTX 1050, Sandisk 256GB + 480GB SSD

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Just now, porina said:

The D15 was made long before Zen 2 existed. And they do still make a difference. The Wraith Prism that came bundled with the 3700X I find really noisy and the CPU runs even hotter. I did have slightly lower temps with a 240mm AIO than I did with the D15, but I don't know why. I wonder if the water block is more effective in spreading the heat than the heatpipes on the Noctua.

That's very true, thank you for the information! I'd actually assume water would be better than heatpipes for this kind of scenario too, but the cooler was like $65 USD so an AIO would be out of budget anyways (they are all more expensive in Canada).

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1 minute ago, Overtime said:

That's very true, thank you for the information! I'd actually assume water would be better than heatpipes for this kind of scenario too, but the cooler was like $65 USD so an AIO would be out of budget anyways (they are all more expensive in Canada).

The D15 was $65? That's much lower than here. It's essentially £90 for the Chromax version, and the AIO I had (now in other system) is a Cooler Master MasterLiquid 240, at £80. (Current Amazon UK prices)

Desktop Gaming system: Asrock Z370 Pro4, i7-8086k stock, Noctua D15, Corsair Vengeance Pro RGB 3200 4x16GB, Asus Strix 1080Ti, NZXT E850 PSU, Cooler Master MasterBox 5, Optane 900p 280GB, Crucial MX200 1TB, Sandisk 960GB, Acer Predator XB241YU 1440p 144Hz G-sync

TV Gaming system: Asus X299 TUF mark 2, 7920X @ 8c8t, Noctua D15, Corsair Vengeance LPX RGB 3000 8x8GB, EVGA 2080Ti Black, Corsair HX1000i, GameMax Abyss, Samsung 970 Evo 500GB, LG OLED55B9PLA

Former Main system: Asus Maximus VIII Hero, i7-6700k stock, Noctua D14, G.Skill Ripjaws V 3200 2x8GB, Gigabyte GTX 1650, Corsair HX750i, In Win 303 NVIDIA, Samsung SM951 512GB, WD Blue 1TB, HP LP2475W 1200p wide gamut

Gaming laptop: Asus FX503VD, i5-7300HQ, 2x8GB DDR4, GTX 1050, Sandisk 256GB + 480GB SSD

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3 minutes ago, Overtime said:

I use 1.25v @ 4.3GHz and it's at 83 degrees now, is this a reasonable number or is it too high for my system?

Is this 83c in Aida?   If it is then it's kinda where i would expect it to be.

 

What's your ambient temp?

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11 minutes ago, porina said:

The D15 was $65? That's much lower than here. It's essentially £90 for the Chromax version, and the AIO I had (now in other system) is a Cooler Master MasterLiquid 240, at £80. (Current Amazon UK prices)

It's regularly ~$120 CAD ($90 USD), but considering I was waiting for the 3080 for like 4 months, I was able to wait for all PC component sales for the parts I wanted. I was under the assumption that a 220w gigantic air cooler would cool much better than a 260mm AIO.

 

I was watching GN's video about AIO vs air cooling, and at 150 watts, it said the NH-D15 was at 47 degrees.... I assumed if it could cool a 150w CPU to 47.5 degrees, my 95 watt OC would be significantly colder (or around the same temperature AT LEAST), but I have no clue what went wrong.

 

He also cooled a 3950x at 200w to a freezing cold 55 degrees on the same cooler (100% fan speed)!! (click for video). I defenitely didn't think I would ever need to upgrade my cooling capacity to an AIO, but I guess I was wrong. If I'm not doing anything wrong, this kind of video is a bit misleading.

10 minutes ago, glenalz81 said:

Is this 83c in Aida?   If it is then it's kinda where i would expect it to be.

 

What's your ambient temp?

Around 22 degrees in my house I'd guess. +- 1 degree.

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Just now, Overtime said:

Around 22 degrees in my house I'd guess. +- 1 degree

Seems fine then.

 

2 minutes ago, Overtime said:

I was watching GN's video about AIO vs air cooling

That was a noise normalised thermal test you linked to at 40db and the 47.5c is degrees over ambient.

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Just now, glenalz81 said:

Seems fine then.

 

That was a noise normalised thermal test you linked to at 40db and the 47.5c is degrees over ambient.

Oh my bad, I didn't read the details on the bottom. Seemed a bit too good to be true lol. Thanks for your help!

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16 hours ago, porina said:

The D15 was made long before Zen 2 existed.... I did have slightly lower temps with a 240mm AIO than I did with the D15, but I don't know why. I wonder if the water block is more effective in spreading the heat than the heatpipes on the Noctua.

The age of the d15 design doesn't affect it's cooling ability. The d15 performs in the range of 240mm AIOS, some AIOs are better, some are worse (primary factor is rad heat dissipation capacity)
 

desktop

Spoiler

r5 3600 3.7GHz@1.0125v(0.975v get) | Noctua Nh l9x65 am4 | MSI b450i gaming ac | crucial ballistix 2x8 3000 cl15@3733 cl16|Zotac 2060 amp 1965mhz@900mv | 256GB Samsung 950 pro nvme | 1TB Adata su800 | 4TB HGST drive | Silverstone SX500-LG | Silverstone ML08

HTPC

Spoiler

HTPC i3 7300 | Gigabyte GA-B250M-DS3H | 16GB G Skill | Adata XPG SX8000 128GB M.2 | Many HDDs | Rosewill FBM-01 | Corsair CXM 450W

 

 

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8 hours ago, Cyracus said:

The age of the d15 design doesn't affect it's cooling ability. The d15 performs in the range of 240mm AIOS, some AIOs are better, some are worse (primary factor is rad heat dissipation capacity)

The (unproven) speculation is that due to the more concentrated het generation in Zen 2, a heatpipe design like on most air coolers is less effective at distributing the heat for cooling. A waterblock in that sense is logically more like a single unit so the cooling is better spread.

Desktop Gaming system: Asrock Z370 Pro4, i7-8086k stock, Noctua D15, Corsair Vengeance Pro RGB 3200 4x16GB, Asus Strix 1080Ti, NZXT E850 PSU, Cooler Master MasterBox 5, Optane 900p 280GB, Crucial MX200 1TB, Sandisk 960GB, Acer Predator XB241YU 1440p 144Hz G-sync

TV Gaming system: Asus X299 TUF mark 2, 7920X @ 8c8t, Noctua D15, Corsair Vengeance LPX RGB 3000 8x8GB, EVGA 2080Ti Black, Corsair HX1000i, GameMax Abyss, Samsung 970 Evo 500GB, LG OLED55B9PLA

Former Main system: Asus Maximus VIII Hero, i7-6700k stock, Noctua D14, G.Skill Ripjaws V 3200 2x8GB, Gigabyte GTX 1650, Corsair HX750i, In Win 303 NVIDIA, Samsung SM951 512GB, WD Blue 1TB, HP LP2475W 1200p wide gamut

Gaming laptop: Asus FX503VD, i5-7300HQ, 2x8GB DDR4, GTX 1050, Sandisk 256GB + 480GB SSD

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6 hours ago, porina said:

The (unproven) speculation is that due to the more concentrated het generation in Zen 2, a heatpipe design like on most air coolers is less effective at distributing the heat for cooling.

I guess that sounds plausible

desktop

Spoiler

r5 3600 3.7GHz@1.0125v(0.975v get) | Noctua Nh l9x65 am4 | MSI b450i gaming ac | crucial ballistix 2x8 3000 cl15@3733 cl16|Zotac 2060 amp 1965mhz@900mv | 256GB Samsung 950 pro nvme | 1TB Adata su800 | 4TB HGST drive | Silverstone SX500-LG | Silverstone ML08

HTPC

Spoiler

HTPC i3 7300 | Gigabyte GA-B250M-DS3H | 16GB G Skill | Adata XPG SX8000 128GB M.2 | Many HDDs | Rosewill FBM-01 | Corsair CXM 450W

 

 

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