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RealNC
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Default 04-13-2017, 16:08 | posts: 1,160

Quote:
Originally Posted by Bentez View Post
I built my 2500K system at the start of 2012, I immediately overclocked the system to 4.8GHz

...

4 threads in 2017 is starting to feel really limiting IMHO.
The question for most people was whether it's really worth upgrading from a Sandy Bridge i5 to the latest i5. 4 cores to 4 cores.

The answer to that is "probably still not worth the cost". You gotta pay for a whole new platform (CPU + mainboard + RAM). When you have to pay for all that, then why not upgrade to the latest i7 instead and get a more substantial performance boost.

I think Ryzen might tap into that market. That 6-core looks really tasty right now...
   
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Amaze
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Default 04-13-2017, 16:40 | posts: 2,194 | Location: Norway

Quote:
Originally Posted by RealNC View Post
The question for most people was whether it's really worth upgrading from a Sandy Bridge i5 to the latest i5. 4 cores to 4 cores.

The answer to that is "probably still not worth the cost". You gotta pay for a whole new platform (CPU + mainboard + RAM). When you have to pay for all that, then why not upgrade to the latest i7 instead and get a more substantial performance boost.
The extra cost for i7 is pretty substantial. I say just wait like the rest of us, unless your system fails.
   
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RealNC
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Default 04-13-2017, 17:38 | posts: 1,160

Quote:
Originally Posted by Amaze View Post
The extra cost for i7 is pretty substantial. I say just wait like the rest of us, unless your system fails.
It's just 100-120 bucks more. It's not that substantial compared to the total cost of the upgrade, since you need mainboard and RAM too.

For the i7 upgrade, I'd need to pay somewhere around 600. For an i5, it's about 500. Not much of a difference in percentage between the two.

(Well, unless I go out of my way to buy the cheapest possible RAM and mainboard, which I wouldn't.)

Last edited by RealNC; 04-13-2017 at 17:42.
   
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FissFiss
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Default 04-13-2017, 19:08 | posts: 3

I'm in the same boat. Have an i5-2500k @ 5.0ghz with an H115i.

I want to upgrade since it's been so long and my 1080 w/ Hybrid AIO coupled with the 2500k is kind of bottle necking my 1440p 144hz Gsync monitor :/
   
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RealNC
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Default 04-13-2017, 19:12 | posts: 1,160

Quote:
Originally Posted by FissFiss View Post
I'm in the same boat. Have an i5-2500k @ 5.0ghz with an H115i.

I want to upgrade since it's been so long and my 1080 w/ Hybrid AIO coupled with the 2500k is kind of bottle necking my 1440p 144hz Gsync monitor :/
I don't think that's true. It can bottleneck you at 1080p, but at 1440p, I don't see how. Unless you play games with all graphics settings set to "low" or something, there shouldn't be any major bottlenecking going on.
   
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FissFiss
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Default 04-13-2017, 19:14 | posts: 3

Quote:
Originally Posted by RealNC View Post
I don't think that's true. It can bottleneck you at 1080p, but at 1440p, I don't see how. Unless you play games with all graphics settings set to "low" or something.

Sorry I meant the CPU is bottlenecking sort of.

It's always at 100% :/
   
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RealNC
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Default 04-13-2017, 19:21 | posts: 1,160

Quote:
Originally Posted by FissFiss View Post
Sorry I meant the CPU is bottlenecking sort of.

It's always at 100% :/
If your FPS is good enough, then that doesn't matter. If you get low FPS, then it's a problem.

Also, at 5GHz, it's possible you're getting throttling when the CPU thinks it's OCed too much. So make sure you're not running into that issue by doing a 10-15 minute stress test with Prime95 and with CPU-Z open and observe the CPU frequency.
   
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FissFiss
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Default 04-14-2017, 05:15 | posts: 3

Think ima go with r5 1600, Asrock Taichi, TridentZ 3200mhz 14-14-14
   
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Undying
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Default 05-10-2017, 19:49 | posts: 9,667 | Location: Serbia, NS





   
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RealNC
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Default 05-10-2017, 22:12 | posts: 1,160

Still not convinced :-P

It's been 6 years, dammit. Where's my 100% more performance upgrade? How long do I need to wait?
   
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Undying
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Default 05-10-2017, 23:05 | posts: 9,667 | Location: Serbia, NS

Quote:
Originally Posted by RealNC View Post
Still not convinced :-P

It's been 6 years, dammit. Where's my 100% more performance upgrade? How long do I need to wait?
I thought the same. If this video should convice people to upgrade it didnt do a good job. I was surprised that in ME Andromenda 2500k actually beat Ryzen 5, lol.

BF1 being most cpu intensive i expected bigger difference.

   
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Radical_53
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Default 05-11-2017, 07:40 | posts: 3,616 | Location: Germany

That's 50%, at least. CPU isn't supposed to do anything but stay out of the way of the GPU
As long as the GPU runs at its fullest potential, it's doing its job.
   
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RealNC
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Default 05-11-2017, 22:44 | posts: 1,160

Another thing is, ever since I switched to a g-sync monitor, upgrading my system now feels less important. The thing that would annoy me the most in the past, which is the stutter from FPS dropping below refresh rate, doesn't exist anymore.

Every platform upgrade I ever did in the past was because performance has at least doubled:

486 DX2 66MHz -> Pentium 133MHz -> Pentium 2 400MHz -> Pentium 3 933MHz -> P4 Celeron D 2.4GHz -> Core 2 Q6600 2.4GHz -> i5 2500K 3.3GHz

It was simply not worth upgrading to something that doesn't double your performance. Lower performance is perfectly acceptable when it's not too much lower.
   
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Radical_53
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Default 05-12-2017, 06:30 | posts: 3,616 | Location: Germany

Even "just" a high refresh rate monitor does a lot for that. I haven't seen any tearing since I've upgraded to a 120Hz monitor.
I can only imagine that one's perfectly fine if G-Sync is being added to that, even with rather low performance in places.
   
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fry178
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Default 05-12-2017, 07:12 | posts: 492 | Location: Maryland

Sorry, but benching at 1080p? right.

i would like to see the users that buy 6 or 8 core cpus and play at 1080p (or below).
as soon as the games are running at 1440p there is virtually no difference between intel and amd.
and unless min-frames etc are an issue, who buys a cpu/board/ram for 500$/more, when i can upgrade to a 1080/ti (or similar) for same amount which WILL improve overall fps much more..


reminds me when guru was testing cards only in Performance-mode (3Dmark 11) which is cpu bound, and not with "extreme" settings.

its like testing the newest porsche/ferrari/chevy/ford on a road with a 35mph speed limit.



@Radical_53
high refresh might make it smoother and less visible, but doesn't really eliminate tearing...

couple of friends have 120/144Hz screens, and unless they turn on gsync, i can see it (tearing).

Last edited by fry178; 05-12-2017 at 07:30.
   
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kapu
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Default 05-22-2017, 12:55 | posts: 3,719 | Location: Poland

Here is big review done not long ago title is " Sandy Bridge forever alive".

https://www.purepc.pl/procesory/test...k_sandy_bridge

Article is in Polish but you can read graphs This is very extensive and deep test.
Sadly this was done before Ryzen release but summing up....

i7 2500K @ 4.5Ghz = i5 7600k @ 5.0 Ghz , almost exacly the same speed.

Last edited by kapu; 05-22-2017 at 13:00.
   
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Undying
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Default 05-22-2017, 13:30 | posts: 9,667 | Location: Serbia, NS

Quote:
Originally Posted by kapu View Post
Here is big review done not long ago title is " Sandy Bridge forever alive".

https://www.purepc.pl/procesory/test...k_sandy_bridge

Article is in Polish but you can read graphs This is very extensive and deep test.
Sadly this was done before Ryzen release but summing up....

i7 2500K @ 4.5Ghz = i5 7600k @ 5.0 Ghz , almost exacly the same speed.
Looking at it its more like 2500k 4.5ghz = 7500/7600 stock.

Still, thats more than adequate for today's gaming.
   
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kapu
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Default 05-22-2017, 17:05 | posts: 3,719 | Location: Poland

Quote:
Originally Posted by Undying View Post
Looking at it its more like 2500k 4.5ghz = 7500/7600 stock.

Still, thats more than adequate for today's gaming.
People are better off buying high end gpu than replacing CPU and playing higher res ... I wonder how my old i5 750 would look like vs i5 7600k .
   
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Default 05-22-2017, 17:15 | posts: 3,273 | Location: Pennsylvania

Yeah from those charts the only reason for upgrading if your motherboard died and getting a replacement board was close to the price of a new motherboard.
   
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RzrTrek
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Default 05-22-2017, 17:36 | posts: 980 | Location: Stockholm, Sweden

I only had to change my 2600K because of my motherboard dying on me (my 3rd actually of the same brand and model) and me not being able to find a good enough replacement.
   
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Radical_53
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Default 05-23-2017, 05:29 | posts: 3,616 | Location: Germany

Same for me. I had replaced it numerous times already so it was time for a change.
As there were no gains to be had right away, I opted for the better chance to see them in the near future, aka more cores.
   
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sverek
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Default 05-23-2017, 06:12 | posts: 2,866 | Location: Ibaraki, Japan

Quote:
Originally Posted by fry178 View Post
Sorry, but benching at 1080p? right.

i would like to see the users that buy 6 or 8 core cpus and play at 1080p (or below).
as soon as the games are running at 1440p there is virtually no difference between intel and amd.
I am pretty sure there will be difference if GPU is not fully utilized.
Problem I see with statement "This CPU runs better on higher resolution", is that we simply load GPU, so CPU having more breating space.

I am pretty sure if we lower video setting on higher resolution, CPU will be once again limiting factor.

Games engines just suck at utilizing CPU power. Probably cause it's like rocket science or something.

Good thing going for Ryzen is that it can do more things at the same time without chocking.


   
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RealNC
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Default 05-23-2017, 10:35 | posts: 1,160

Quote:
Originally Posted by sverek View Post
Games engines just suck at utilizing CPU power. Probably cause it's like rocket science or something.
High performance low latency concurrency is not easy :-P In non-game multi-threaded software applications, if your throughput is high, you're good. In games, you need to maintain both high throughput and high near-real-time interactivity at a steady pace. Those two things are fighting each other by their very nature. So it's actually quite difficult to do correctly.

Last edited by RealNC; 05-23-2017 at 10:37.
   
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Chess
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Default 05-29-2017, 20:35 | posts: 212 | Location: Ghent, Belgium

IF you guys would allow me to hijack this thread for a little moment.
I'm in the same situation but with a stock 3930k.
I don't overclock, because my room is pretty warm. In winter, my PC warms my room with this stock 3930k and slight factory OC 780ti.

So. I'm playing at a 1440p res, would you guys think I can get another 1 or maybe 2 years out of this CPU?
I ask this because I'm on a tighter budget than ever due to construction en renovation and I was wondering if I should prioritise on upgrading the GPU, yet I have G-sync and FPS lag is less noticeable than it was before G-sync.
However, wouldn't my CPU bottleneck my future GPU ( probably next gen flagship )

Thanks in advance
   
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RealNC
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Default 05-29-2017, 23:45 | posts: 1,160

I would recommend you get a good cooler and OC. A closed-loop water cooler is going to work very well, and it's dead-easy to install. In fact, it's easier to install than an air cooler (since there's no fan on the CPU.) I'm using one.

I live on a Greek island. It's WARM in summer. No issues keeping my 2500K cool at 4.2GHz. Sure, it might run at 65c in summer compared to 55c in winter, but that's completely fine.

Buying a cooler is the best investment you can make when using a K CPU.

Last edited by RealNC; 05-29-2017 at 23:48.
   
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