Choosing a CPU for UWQHD display.

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Profanos

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Hello,
I'm currently buying the Asus Rog Swift PG348q (3440X1440; 100Hz) with a GTX 1080 Ti FTW3 for my gaming rig,but I'm not so sure about which CPU to get for such display, I'm a Pure, Hardcore gamer, and of course I want high fps's combined with good low 1% and 0,1%. At first I was buying the I7 7700k following the logic that I'm a pure gamer and don't need a 8 core slower CPU.

But as I saw some benchmarks I realized that as higher the resolution gets, the biggest is the GPU bottleneck. So the I7 7700k 5.0Ghz and R7 1700 OC to 4.0Ghz was neck to neck in FPS with some variances from game to game. So my question is, which CPU should I Get, an R7 1700 or an I7 7700k.

PS: I'm strictly talking about the 3440x1440 display,if I go for a lower resolution(1920X1080) I will buy the intel CPU.
 
Solution
alth0triplemadang
More cores makes your system more "future-proof".
But that doesn't easily translate into "your CPU will never ages"

In this case, we're comparing the i7 7700K and R7 1700.
If you want to use your rig for 3-4years and planning to get a new one, I'd recommend the i7 for you.

i7 7700k is faster if compared to R7 1700:
http://cpu.userbenchmark.com/Compare/Intel-Core-i7-7700K-vs-AMD-Ryzen-7-1700/3647vs3917

Or wait for coffee lake, i9, and threadripper to come out :)
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Lutfij

Lutfij

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Although you have two platforms open for you to choose, you will need to rethink your route, the i7-7700K you speak of is an unlocked variant which means you will need to pair it with a Z270 chipsetted board and allow you to overclock both the processor and he memory. On the topic of memory, you will need to pick out a ram kit that is 3200MHz in order to reach that sweet spot.

Pertaining to AMD's AM4 RyZen, you should be looking at the R7-1700X and not the 1700. The same can be said about choosing a ram kit while you're going to need a X370 chipset.

FYI, prior to optimizations by AM4 Intel's scores were better. Now that gap is narrower. I would ask you to go for the RyZen.
 
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Profanos

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I agree with you, and seeing the latest test with ryzen and the GTX 1080 Ti, as I'm not going towards 144hz Full HD, the logical thing to do is to buy the ryzen processor, in which I will get more cores, a cooler chip, and a bit more of future proof( Think will have this rig for 3-4 years)in exchange of 3 to 4 fps in average and in most cases better 1% and 0.1% lows,which are as important as the average frame rate.
In regards of the mobo and memory, I will buy the Crosshair VI hero for the AMD chip or an Maximus IX hero for the Intel counterpart, and the memory will be a G.Skill Trident Z RGB 16gb 8X2 3600Mhz memory. I already decided on that...
Edit*: Here is the link to the Pcpartpicker with my PC specs: https://pcpartpicker.com/list/Wtq2M8

 
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alth0triplemadang

alth0triplemadang

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Higher resolution means putting more stress to your GPU.
You can SLI two GTX 1080tis and reduce the stress on each GPU, resulting in higher framerates.

You can choose I7 7700k or R7 1700 and pair it with SLI'd GTX 1080ti

And if I were you, I never future proof my PC (except GPU).
I'll buy the latest, and the best components that available today. Let them age, and upgrade it when I need it and it's possible.
just my 2c
 
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Ecky

Ecky

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I don't think either is a wrong choice, but it remains that when your GPU isn't hiding Ryzen's weakness in gaming, the i7 can be 30-40% faster:

index.php



Yes, in some cases they perform the same, but that's also true of the FX-8350 and 7700K in the right circumstances. Although games are becoming better-threaded, Ryzen's per-core performance is not going to improve and games are not going to become massively parallel in the foreseeable future.

Here's another:

r7-1700-battlefield_1.png


OC vs OC, you have:
1% low of 89 vs 113fps
and
0.1% low of 75 vs 104fps

r7-1700-totalwar-warhammer.png


1% low 106 vs 137fps

r7-1700-watch-dogs-2.png


1% low 49 vs 76fps

r7-1700-mll.png


1% low 59 vs 95fps

Source: http://www.gamersnexus.net/hwreviews/2827-amd-r7-1700-review-amd-competes-with-its-1800x
 
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Profanos

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Great 2c XD, and great life style, less stressful then mine that keeps digging in to the most absurd theories about PC parts. But I follow your style too,I will probably keep this pc for 2 to 3 years,but I just can't do my mind on which CPU and I don't know why.

 
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Profanos

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I agree with you, the GPU bottleneck is hiding Ryzen's weakness in gaming, but I ask myself and you, at which certain degree does this really matters? I'm buying and will probably be using the PG348q(100hz) for at least a year before the release of the PG35VQ(200hz,UWQHD monitor),I know I will never be able to get to 200hz in a Triple A game no matter if is a SLI GTX 1080 TI or the new volta architecture, coming probably in Q3 next year. And the "bottleneck effect" will happen in 3440X1440, so I end up asking, do you think is worth it to get a i7 7700k,which has 4 cores, it's hotter to run, instead of the R7 1700x which is a 8 core, cooler chip. I think in the end I wouldn't feel any difference between the 2 in my specific rig, but I can't decide.

You showed some really interesting benchmarks. I checked the Gamer Nexus review, but i must add that they revisited the
Ryzen line-up in the R5 1600 review, and it improved a lot, which makes my decision even more harder, and I'm really focused on the 3440x1440 as I mentioned, if I was going to buy a 144hz 1920x1080 panel, I would never buy ryzen,but when I added the Ultra Wide monitor I got a bit confused.

Here are some interesting videos and benchmarks:

https://www.youtube.com/watch?v=5GhoYs2VDns&t=411s

This guy shows some interesting comparisons, I didn't know him, and I don't know if he is someone to trust, but I found his video to be well made, but I don't know why, I have a feeling that he favors Ryzen, maybe because 3600Mhz ram was almost impossible to achieve a month ago, not sure thou.

http://media.gamersnexus.net/images/media/2017/CPUs/1600x/games/amd-r5-mll-benchmark.png

Here we can see that the average fps;1% and 0.1% are better, but not near the I7 7700k.

http://media.gamersnexus.net/images/media/2017/CPUs/1600x/games/amd-r5-bf1-benchmark.png

BF1 which is a game whit good performance in multi-threaded CPU shows similar results.

 
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Ecky

Ecky

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The i7's lack of cores is concerning to me, but I keep my stuff for much longer and I'm thinking that if your timeframe is 2-3 years, the i7 will be ahead in nearly every meaningful (to you) metric in that time. Games are only now starting to benefit much from more than 4 threads, nearly a decade after mainstream 8+ thread CPUs hit the market.

For what it's worth, you could definitely hit whatever framerate you want if you're willing to relax your graphical settings a little.
 
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Profanos

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True... I'm not concerned with keeping this exact same rig for 4 years or more,I would say I will probably change in 3 years or so,mainly because I want new stuff, more of a psychological catch. But I still confused on witch CPU to get, Coffe Lake is coming soon, and I could sell the 7700k for a 8700k which is possibly a 6 core processor if I need to, but I still not sure on which path to follow sadly...:??:

 
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alth0triplemadang

alth0triplemadang

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More cores makes your system more "future-proof".
But that doesn't easily translate into "your CPU will never ages"

In this case, we're comparing the i7 7700K and R7 1700.
If you want to use your rig for 3-4years and planning to get a new one, I'd recommend the i7 for you.

i7 7700k is faster if compared to R7 1700:
http://cpu.userbenchmark.com/Compare/Intel-Core-i7-7700K-vs-AMD-Ryzen-7-1700/3647vs3917

Or wait for coffee lake, i9, and threadripper to come out :)
 
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Profanos

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Apr 7, 2017
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Ok guys, OP here talking,and I wanna share some news with you guys that can maybe influence my decision on which CPU to get: 

I'm building a desk to hold all this majestic hardware,and in the same desk my girlfriend is going to put her PC. She already bought a R7 1700 since she does a lot of work on her PC, as a editor. With that in mind should I still be going towards the AMD or maybe get the 7700k,since If I need those extra cores for some work I start to do in the future, i can always use her PC. What would you guys do on this situation?
 
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