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Goodbye i5 2500K - New build look ok?

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  3. Goodbye i5 2500K - New build look ok?

User Info: uberl33tpro

6 months ago#11
Kokuei05 posted...
You can't 100% confirm without using that 1080ti on the sandy bridge.

Actually, I can. There were quite a few games where my I5 2500k bottlenecked an R9 390. If it bottlenecks and R9 390, then it will most definitely bottleneck a 1080ti. Bottleneck = 100% CPU load, while the GPU is under 100%.

Even more surprising, is my Ryzen 1600x even outperforms the I5 2500k on emulation, like PCSX2, Dolphin, Cemu, etc. Those apps barely use any GPU.
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User Info: uberl33tpro

6 months ago#12
Sir_Haxor posted...
I paid $640 for my FE 1080ti. Yeah it's a blower card but it can OC pretty decently and with a fan curve temps are very manageable.

I helped a buddy with his 6GB 1060 Skylake build a year ago, and he only paid $630. 8GB of DDR4 for like $35...

I want to jump on Zen+ in April but not at these ram prices.

My 3000mhz Adata ram cost me $146 for 16GBs. This was during a time where most ram kits are in the $200+ range for 16GBs. I managed to OC the kit to 3200 CAS 16, which isn't bad at all. A better ram kit like Gskill Flare X 3200 CAS 14 runs $240-$250 range. Or $100 more than I paid for my kit. This kit also runs 2933 @ CAS 14, and I tested the speed difference between that and 3200 CAS 16, and 3200mhz CAS 16 is still faster. I had to bump the Dram voltage to 1.39v + SOC voltage to 1.1, and 80ohm on ProcODT to get the kit running stable @ 3200mhz CAS 16. It runs 2933mhz CAS 14, with 1.35v on Dram, 1.05 SOC, and 60ohm on procODT. But people have OC'd those Gskill Flare X kits to as high as 36XXmhz CAS 14. You might have to hit the silicon lottery on the chip's memory controller to get ram that high though. Most benchmarks suggest minimal gains after 3200mhz though. I've also seen that there is a correlation between higher OC and faster ram, meaning the higher the OC, the more you benefit from faster ram. The sweet spot seems to be 3.9-4.0ghz OC + 3200mhz ram. I suspect the ram sweet spot should shift upwards past 3200mhz, if Zen+ can hit 4.2ghz+ OC.

Another nuance I noticed about OCing ram on Ryzen, is that at first, I attempted to OC my ram before my CPU, so I left the CPU settings on 'auto' including CPU Vcore. I found that setting the CPU Vcore to 1.35v helped get ram stable. I had serious issues OCing ram until I manually set the Vcore, even prior to the CPU being OC'd. So it's probably best to OC the CPU first, then tweak the ram in.

The XMP profile didn't even work on my ram, I had to manually OC it. It has a 3000mhz XMP profile, and it'll run, but defaults to 2667mhz. For XMP profiles to work on Ryzen, you need to buy ram that's Samsung B-die, and that ram is usually more expensive than the markdown Hynix ram I got.
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User Info: jgatlabayan

6 months ago#13
Kokuei05 posted...
uberl33tpro posted...
I'm like you and had an I5 2500k rig, decided to upgrade recently, and I grabbed a Ryzen 1600x. I don't regret it.

But I managed to get the 1600x for $200, during black friday/cyber monday. The reason I didn't go Intel is because all the Coffee Lake CPUs were above MSRP, and Z370 motherboards were comparably more expensive than X370 AMD boards.

AMD is planning to keep the AM4 socket until at least 2020, so I'm very likely to get at least 1 more CPU upgrade out of this socket.

Here is my PC:

Ryzen 1600x OC'd to 3.95ghz @ 1.384v
CPU cooler: Cooler Master Hyper 212+ turbo (2 fans)
Ram: 3000mhz CAS 16 Adata ram OC'd to 3200mhz CAS 16.
Motherboard: X370 MSI gaming pro carbon (This was on sale for under $100)
GPU: Gigabyte GTX 1080ti windforce (3 fans)
Case: Lian Li PC-A70F (modded top for additional fans) *reused this*
SSD: OCZ Trion 480GB *reused this with fresh windows install*
HDD: Samsung 1TB 7200RPM *reused this for data storage*
USB Drive: Toshiba 2TB USB 3.0 drive. *reused this for additional data storage*
PSU: Cooler Master Silent pro 1200w gold. *reused this*

With all the parts I reused, my total expense was around $1350 and some change.

Few things to note. Ryzen 1600x absolutely crushes Sandy Bridge. Trolls on some other forums told me the Ryzen 1600x was a side grade over an I5 2500k OC'd to 4.4ghz, and I can 100% confirm they were 100% trolling. The Ryzen 1600x crushes Sandy Bridge in every game I tested. I dunno what the deal is with some of the video benchmarks, or if the tests were done before AMD released patches, or if they were using slow ram (Ryzen likes faster ram) but there is not one, single, game where I5 2500k @ 4.4ghz beats Ryzen 1600x @ 3.95ghz w/3200mhz ram that I tested.

You can't 100% confirm without using that 1080ti on the sandy bridge.

I agree, my 1080ti masked the difference between my 2600k and 7700k. The fps is very high already that a difference of 5-10-20fps was negligible in most cases. (Battlfield 4 ran 120fps with 2600k, then ran 140+ with the 7700k. I have a 120hz monitor.)
i7 7700k / GTX 1080ti / Asrock Z270 Extreme4 / 16gb DDR4 3200 / 1TB SSD / 6TB HD / BenQ XL2420T 120hz /x2 Chimei 24EH 60hz/ NZXT Phantom / Noctua NH-D14
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