Ivy Bridge PCI-Express Scaling with HD 7970 and GTX 680

jihadjoe · May 10, 2012

Some folks over at xtremesystems actually did a similar scaling test, but with all sorts of configs all the way up to quad sli/cfx. It seems once you go multi-card, bandwidth is VERY important.

Here's their result for 680SLI at 2.0 x16/x16 vs 3.0 x16/x16

I'll post their link up once I get a chance to quickly rummage through my bookmarks when I get home from work.

Darkrealms · May 15, 2012

Thanks W1zz as always great review.

Cant wait to see the multi card/gpu tests.... if amd ever releases that 7990....

plundra · May 18, 2012

Nice test, although I have a suggestion!

For future tests, it would be very nice if x1 (2.0, maybe 1.1) were tested too!
That way the results would be useful for eGPU-configurations in laptops, where you use the ExpressCard-slot as connection. Where only 1 lane is available.

Haven't checked if new Ivy Bridge laptops have 3.0 in the expresscard slot, if that's the case it should be on par with x4 1.1 from this test I suppose.
Although I'm on a Sandy Bridge with 2.0 only so wouldn't help that much

(I'm really looking for some benchmarks to push me over the edge and purchase a ViDock with some sort of modern graphics card. Interesting to see the Radeon scaling better than Nvidia!)

Nite_Owl · Mar 24, 2015

This is one fantastic article!

Thank you very much for information that is still relevant almost three years later!

Mussels · Mar 24, 2015

plundra said:
Nice test, although I have a suggestion!

For future tests, it would be very nice if x1 (2.0, maybe 1.1) were tested too!
That way the results would be useful for eGPU-configurations in laptops, where you use the ExpressCard-slot as connection. Where only 1 lane is available.

Haven't checked if new Ivy Bridge laptops have 3.0 in the expresscard slot, if that's the case it should be on par with x4 1.1 from this test I suppose.
Although I'm on a Sandy Bridge with 2.0 only so wouldn't help that much

(I'm really looking for some benchmarks to push me over the edge and purchase a ViDock with some sort of modern graphics card. Interesting to see the Radeon scaling better than Nvidia!)

you can generally do some basic math and figure out where performance would be, there may be individual variance but most of it will be broadly applicable.

Aquinus · Mar 24, 2015

Not that I endorse posting on a necro'ed thread, but there is a more up to date version of the PCI-E scaling review.

Mussels said:
you can generally do some basic math and figure out where performance would be, there may be individual variance but most of it will be broadly applicable.

They got you! (Check the date.)

Processor	Intel i9-9900k @ 5GHz
Motherboard	Gigabyte Z390 Aorus Pro Wifi
Cooling	ThermalTake Riing 240
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Video Card(s)	Zotac RTX 2060 Amp!
Storage	2x Samsung 860 Evo 512GB, 4x Seagate 8TB
Display(s)	2x Dell U2713H
Case	CoolerMaster M500P
Power Supply	ThermalTake Toughpower 730W
Software	Windows 10 Pro

System Name	Rainbow Sparkles (Power efficient, <350W gaming load)
Processor	Ryzen R7 5800x3D (Undervolted, 4.45GHz all core)
Motherboard	Asus x570-F (BIOS Modded)
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Video Card(s)	Galax RTX 3090 SG 24GB: Underclocked to 1700Mhz 0.750v (375W down to 250W))
Storage	2TB WD SN850 NVME + 1TB Sasmsung 970 Pro NVME + 1TB Intel 6000P NVME USB 3.2
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Case	Fractal Design R6
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Mouse	Logitech G Pro wireless + Steelseries Prisma XL
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Storage	1TB Apple NVMe, 4TB External
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Case	MacBook Pro (16", 2019)
Audio Device(s)	AirPods Pro, Sennheiser HD 380s w/ FIIO Alpen 2, or Logitech 2.1 Speakers
Power Supply	96w Power Adapter
Mouse	Logitech MX Master 3
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Software	MacOS 12.1

Ivy Bridge PCI-Express Scaling with HD 7970 and GTX 680

jihadjoe

Darkrealms

plundra

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Nite_Owl

New Member

Mussels

Freshwater Moderator

Aquinus

Resident Wat-man