on a whim did a quick PCIE x16 vs x8 comparison with my GTX 1070 and saw no difference in benchmarks, only ran 3 of em, Ghost Recon, Rise of Tomb Raider and GPU only Timespy. All at 1440p stock settings.
PCIE x16:
Ghost Recon: AVG: 91.93 Min: 71.15 Max: 106.68
Tomb Raider: Overall: 59.87
Timespy: 6637
PCIE x8
Ghost Recon: AVG: 89.63 Min 71.93 Max: 104.90
Tomb Raider: Overall 59.93
Timespy: 6631
- LukeSavenije and Cyberspirit
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@LukeSavenije Only reason I did it is I am thinking of switching to an internal capture card over external for streaming my Xbox, PS4, or Switch when I stream. I know the x1 slots run through the chipset so im a bit worried about bandwidth there as I have lots of peripherals and such so may end up having to put it in my x8 slot and drop my GPU down to x8. This test validates that I won't have any issues as a result. The way I tested it was I have a GT710 laying around so I threw that in to force my x16 to x8.
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