Which CPU Motherboard combo better for Titan SLI

radekrat

radekrat

radekrat

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7 Jul 2013
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Hi
I managed to get some cheap parts on e-bay and was going to build a PC for myself and sell the rest if not needed.
Got two options in terms of CPU and motherboard:
1. ASUS RAMPAGE IV with i7 3930k
2. ASUS Z170-DELUXE with i7 6700k

This will be running two Titan X in SLI.

Did some reading earlier but not sure which to go with. The i7 6700k has only got 16 pcie lines and think this will affect performance of two TITANs. the i7 3930k is slower core and older technology but supports 40pcie lanes. Is this important? Would I see the difference?

Please advise. I haven't got any more money to play with really, but potentially can upgrade in a year or two if needed.

This will be used for Gaming and Video editing (amateur home videos of my family) and other stuff. Nothing that needs lots of CPU power so want to optimise for gaming.

Which would be most suitable for the two TITANS I have?

Please advise as I am puzzled :)
 
You'll not notice the difference in real world terms. The Z170 will run them at 8x speed which will be fine so get the newer platform.
 
Would I see a difference in benchmarks to make me feel better? I do like the looks of Rampage better to be fair. It is like you've said older platform and potential upgrade on the CPU would be the 4960x.
Not sure where z170 will take me.
I do plan to overclock it though.
 
As mentioned above, the difference is so small it will barely register in gaming benchmarks. May as well go for the more up to date platform. Ive ran sli on both Z77/87 at x8 per slot. Benchmarks for games were pretty much the same as people running dual x16 setups. Z170 will receive a cpu refresh known as kabylake.
 
I'd be a tad wary here. For example the Z170 platform will introduce new tech, for example M.2 SSD capability, which if used will consume up to x4 lanes.
 
Have you looked at X99 options?

28 PCI-e Lanes for £502 with an ASUS board vs £576.48 for the i7 skylake + board mentioned above. Then you've got the option of broadwell-e or a 40 lane i7 at a later date as an upgrade path.
 
OracIe said:
I'd be a tad wary here. For example the Z170 platform will introduce new tech, for example M.2 SSD capability, which if used will consume up to x4 lanes.
Click to expand...

Whilst you are correct (sort of), the Z170 Deluxe has additional PCI E lanes dedicated for devices such as an M.2 drive. There are 16 lanes through the CPU, which if using 2 GPUs in SLI will split them down to X8 each. The motherboard chipset, however, provides 20 PCI E 3.0 lanes that get split up by any other components that use them.

The Z97 chipset had the limitations you've described on most of the motherboards. Z170 has changed that.
 
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