Question Seeking Assistance with PCIe 2.0 x16 in a PCIe3.0x4 / Nvidia

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VirtualLarry

No Lifer
Aug 25, 2001
56,401
10,083
126
Yeah, that GT 1030 should be a win for video editing. Higher CUDA cores by a lot, and higher core clocks.
 

VirtualLarry

No Lifer
Aug 25, 2001
56,401
10,083
126
I'm saying, I have no objective data on that. In the real world, it seems to have negligible impact on gaming, but I've not known anyone besides yourself using an x20 card for video editing.
 

VirtualLarry

No Lifer
Aug 25, 2001
56,401
10,083
126
That might have put a slight limit on performance, but it was such a popular option, I think that the overall negative effect was negligible.
 

MrTeal

Diamond Member
Dec 7, 2003
3,578
1,725
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No gaming, none. Usage for video editing only. I would disagree with you as the GT1030 being slow. The benchmarks are far more positive than the GT220: that simple. Match them up, then tell me the GT1030 is too slow.
Sure, it's quite a bit faster than the GT 220, it's still a really slow card though. For reference, the Pascal GTX 1080 is probably 10x or more faster gaming than a DDR4 1030, and it shows just an average 10% drop going from 3.0 x4 to 2.0 x4. The card isn't fast enough to worry about the PCIe bandwidth throttling it.

I don't believe video editing is terribly bus bandwidth intensive anyway, so there'd be less impact that gaming.
 
Reactions: synoptic12

VirtualLarry

No Lifer
Aug 25, 2001
56,401
10,083
126
The next to last digit in an Nvidia model code specifies where the card sits in terms of performance relative to that generation of cards.

I didn't hide that info from you when you bought that card off of me. Which, IIRC, you had specifically already wanted a 620 for some reason. I could be wrong.
 

synoptic12

Senior member
Dec 1, 2012
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1
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Sure, it's quite a bit faster than the GT 220, it's still a really slow card though. For reference, the Pascal GTX 1080 is probably 10x or more faster gaming than a DDR4 1030, and it shows just an average 10% drop going from 3.0 x4 to 2.0 x4. The card isn't fast enough to worry about the PCIe bandwidth throttling it.
View attachment 93976
I don't believe video editing is terribly bus bandwidth intensive anyway, so there'd be less impact that gaming.
The GT1030 DDR4 is Pascal also. So, you derived the 10% drop from those specs, correct? And the GTX1080 requires a 500 watt Power Supply; no need to go there. My P.S. is only 300 watt and a PCIe.
 

MrTeal

Diamond Member
Dec 7, 2003
3,578
1,725
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The GT1030 DDR4 is Pascal also.
Yeah, that's why I used it as an example. The 1080 has 8.5x more processing power than the 1030, and even it is not significantly limited by x4 2.0 speeds while gaming.

Edit to your edit:
So, you derived the 10% drop from those specs, correct? And the GTX1080 requires a 500 watt Power Supply; no need to go there. My P.S. is only 300 watt and a PCIe.
The 10% drop is the measured difference in gaming performance between x4 3.0 and x4 2.0 in Techpowerup's 1080 PCIe scaling article, 96%/87%. See image above. I'm not aware of any PCIe scaling benchmarks using video editing.
 
Reactions: synoptic12

synoptic12

Senior member
Dec 1, 2012
246
1
81
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The next to last digit in an Nvidia model code specifies where the card sits in terms of performance relative to that generation of cards.

I didn't hide that info from you when you bought that card off of me. Which, IIRC, you had specifically already wanted a 620 for some reason. I could be wrong.
No, you're correct. Why I opted for the GT620 with 64 bit rather than 128 bit for bus width is beyond me. Card is still working well (Installed). Replacing with the GT1030 and see if there's any difference.
 

synoptic12

Senior member
Dec 1, 2012
246
1
81
www.youtube.com
You're welcome. Don't forget to thank Mr. Teal for dragging out some numbers.
I found this. Your opinion here.

Throttling and Performance Difference​

In the majority of cases, you will not face issues with the PCIe 3.0 card in the PCIe 2.0 slot but there is a risk of throttling. Throttling means the device minimizes the clock rate and/or power consumption to stay below the thermal limit also known as thermal throttling. For low-performance graphics cards, like the Wi-Fi cards and the sound cards, this is not an issue but it becomes a problem when looking at the high-performance graphics card if you use them in the PCIe 2.0 slot.

The performance can also be affected due to the lower generation slot but it also depends on the usage. For instance, when surfing the internet, you might not notice any issue but there might be a problem when performing high-demanding tasks like gaming as it requires heavy graphics processing.
 

synoptic12

Senior member
Dec 1, 2012
246
1
81
www.youtube.com
Yeah, that's why I used it as an example. The 1080 has 8.5x more processing power than the 1030, and even it is not significantly limited by x4 2.0 speeds while gaming.

Edit to your edit:

The 10% drop is the measured difference in gaming performance between x4 3.0 and x4 2.0 in Techpowerup's 1080 PCIe scaling article, 96%/87%. See image above. I'm not aware of any PCIe scaling benchmarks using video editing.
Thank you very much Mr. Teal for the expertise you have provided to me.
 

Shmee

Memory & Storage, Graphics Cards Mod Elite Member
Super Moderator
Sep 13, 2008
7,450
2,489
146
This should be fine for your usage, and I wouldn't think there to be any throttling on a lower power card, unless ambient temps are really high or you have very poor airflow.
 
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