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PCIe 2.0 to 3.0

Ashish Sharma-RSi
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Go to solution Solved by dragoon20005,

Do you think that no performance drops?

nope 

 

0%

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I am Planning a Build...

 

So, I am wondering a question...

 

That is what will happen if I plug in a PCIe 3.0 Graphics Card to PCIe 2.0 Slot...

 

The Card is EVGA NVIDIA GeForce GTX 750Ti FTW w/ EVGA ACX Cooling...

 

Thanks, in Advance...

 

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Posted

the gpu will still work

 

no performance drop whatsoever

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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  • Solution

Do you think that no performance drops?

nope 

 

0%

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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Do you think that no performance drops?

yes, by the magnitude of 10-20 (practically none)

Home is where the heart my desktop is.

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Only time there will be a bottleneck on 2.0 is if you're using a dual-GPU card. Those use up loads of bandwidth.

CPU: i7 2600 @ 4.2GHz  COOLING: NZXT Kraken X31 RAM: 4x2GB Corsair XMS3 @ 1600MHz MOBO: Gigabyte Z68-UD3-XP GPU: XFX R9 280X Double Dissipation SSD #1: 120GB OCZ Vertex 2  SSD #2: 240GB Corsair Force 3 HDD #1: 1TB Seagate Barracuda 7200RPM PSU: Silverstone Strider Plus 600W CASE: NZXT H230
CPU: Intel Core 2 Quad Q9550 @ 2.83GHz COOLING: Cooler Master Eclipse RAM: 4x1GB Corsair XMS2 @ 800MHz MOBO: XFX nForce 780i 3-Way SLi GPU: 2x ASUS GTX 560 DirectCU in SLi HDD #1: 1TB Seagate Barracuda 7200RPM PSU: TBA CASE: Antec 300
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Only time there will be a bottleneck on 2.0 is if you're using a dual-GPU card. Those use up loads of bandwidth.

Not even a 295x2 or titan z will use pcie 2.0 bandwith...

My Rig: AMD Ryzen 5800x3D | Scythe Fuma 2 | RX6600XT Red Devil | B550M Steel Legend | Fury Renegade 32GB 3600MTs | 980 Pro Gen4 - RAID0 - Kingston A400 480GB x2 RAID1 - Seagate Barracuda 1TB x2 | Fractal Design Integra M 650W | InWin 103 | Mic. - SM57 | Headphones - Sony MDR-1A | Keyboard - Roccat Vulcan 100 AIMO | Mouse - Steelseries Rival 310 | Monitor - Dell S3422DWG

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Not even a 295x2 or titan z will use pcie 2.0 bandwith...

I was just going off what I've heard over time. It's good to know anyway.

CPU: i7 2600 @ 4.2GHz  COOLING: NZXT Kraken X31 RAM: 4x2GB Corsair XMS3 @ 1600MHz MOBO: Gigabyte Z68-UD3-XP GPU: XFX R9 280X Double Dissipation SSD #1: 120GB OCZ Vertex 2  SSD #2: 240GB Corsair Force 3 HDD #1: 1TB Seagate Barracuda 7200RPM PSU: Silverstone Strider Plus 600W CASE: NZXT H230
CPU: Intel Core 2 Quad Q9550 @ 2.83GHz COOLING: Cooler Master Eclipse RAM: 4x1GB Corsair XMS2 @ 800MHz MOBO: XFX nForce 780i 3-Way SLi GPU: 2x ASUS GTX 560 DirectCU in SLi HDD #1: 1TB Seagate Barracuda 7200RPM PSU: TBA CASE: Antec 300
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I slightly disagree that there is no difference between the 2. I recently moved from a pcie2.0 to pcie3.0 motherboard, and I've noticed that I no longer get screen tearing at all. Granted I'm now on a MUCH better cpu. went from an fm2 to an I5-4690k

 

Still using the same graphics card.

Ketchup is better than mustard.

GUI is better than Command Line Interface.

Dubs are better than subs

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This has always been on my mind as well, "how much performance boost will you get with PCIE3", but what I've found after reading what other people have experienced, (including detailed comparisons), is that there's such a small deference between them to justify the change at the moment. So like other people have mentioned, you don't need to worry about how much bandwidth is being used through the PCIE2 slot on a gaming rig. 

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