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GPU - Blower vs Dual Fan

Hi P
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Go to solution Solved by xdeathshot20,

it really all depends on the case in question and how the airflow works.  generally dual fan or even triple fan cards tend to be better but if you are working in a small form factor case, then blower will probaly be better.  open or large enclosures will benefit from a dual fan design

What are the advantages of the Dual Fan design over the Blower design in a non-overclock GPU?

 

Thank you

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it really all depends on the case in question and how the airflow works.  generally dual fan or even triple fan cards tend to be better but if you are working in a small form factor case, then blower will probaly be better.  open or large enclosures will benefit from a dual fan design

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Even if you dont overclock you usually get less noise and heat (on the gpu die) which may be nice if you ever plan to oc afterall or just for creature comfort.

 

Do keep in mind the airflow in your system though. In very constraint tiny cases with less than ideal airflow you may be better off with a blower regardless.

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What about when stacking? talking about the RTX cards.

 

I'd like to avoid water cooling as much as I can, and I was reading about bad temps / throttling when stacking multiple 2xxx cards with dual fan design.

 

Would that be a good scenario for Blower?

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5 minutes ago, Hi P said:

What about when stacking? talking about the RTX cards.

 

I'd like to avoid water cooling as much as I can, and I was reading about bad temps / throttling when stacking multiple 2xxx cards with dual fan design.

 

Would that be a good scenario for Blower?

stacking? I dont understand this word's use here.

 

tell us the case you will be using

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

 

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19 minutes ago, Jurrunio said:

stacking? I dont understand this word's use here.

 

tell us the case you will be using

Sorry is that the wrong term? (I speak Spanish)

 

I plan on buying the Cooler Master H500 along a single 2080 Ti, but I'd like to avoid water cooling whenever I get to buy a second one.

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17 minutes ago, Hi P said:

Sorry is that the wrong term? (I speak Spanish)

 

I plan on buying the Cooler Master H500 along a single 2080 Ti, but I'd like to avoid water cooling whenever I get to buy a second one.

by stacking, you mean gong SLI or NVLink or whatever that's called? Stacking means putting one thing on top of the other, but graphics cards dont go like that.

 

If you go NVlink it's better to liquid cool the card between the CPU and the other card. Otherwise, dual fan or blower, it will lose a lot of cooling capacity

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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First would be how it effect the card, then the case or rest of the components. 

 

Open air dump heat in the case. Blowers do not. 

 

Noise is relative to the performance of the cooler and the case/fans effecting the cooling of it. 

 

My open air coolers can be just as noise except a higher pitch. Such as my strix. My acx coolers weren’t as bad though. 

 

I tend to use multiple cards so there is no using open air cards. 

 

Alao prefer the looks of reference or fe coolers. But if your system can handle it go open air. 

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1 hour ago, Mick Naughty said:

Also prefer the looks of reference or fe coolers. But if your system can handle it go open air. 

Oh so you have Blower style GPUs?

do they perform the same as dual fans? (without O.C)

 

I don't mind the noise, but performance

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Blower to get hot air out of the case you cannot afford to have in it.

 

Fans if you can afford to spin around hot air because you have sufficient intake and exhaust taking care of any issues this spun air may cause.

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1 hour ago, Hi P said:

Oh so you have Blower style GPUs?

do they perform the same as dual fans? (without O.C)

 

I don't mind the noise, but performance

Depends on the card. My Keplers yes, perform identical and run the same temps. 

 

With my pascal with stock bios, no. The steps dont allow them to be the same. A single open air card can run cooler so it boosts up like normal. 1900/2000 area. Blower would boost to mid to high 1800’s. But with two cards it balances out. The open air cards can’t keep up with the heat. Even with fancy fans. 

 

But if you only need one card and it’s gonna be good limited, go open air. 

Main RIg Corsair Air 540, I7 8700k, ASUS ROG Strix Z370-H, G.Skill TridentZ 32GB, EVGA 1080TI SC Black, EVGA 850 GQ, Acer KG251Q 1920x1080@240hz 

 

Spare RIg Corsair Air 540, I7 4770K, Asus Maximus VI Extreme, G.Skill Ares 32Gb, EVGA 1080sc & 1060 SSC, Corsair CX850M, Acer GD235hz 1920x1080@120hz

 

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