i5 3570k to i7 4790k for single-threaded game

YunOwnz · Sep 19, 2014

Hey,

I am considering upgrading my rig from an i5 3570k (4.1GHz auto OC by my mobo) to an i7 4790k.

The main reason why I am considering this upgrade is for the single-threaded performance on the i7.
I am mainly playing a game that is still built on a single-threaded engine, and heavily depends on the CPU.

Single-threading benchmark:
https://www.cpubenchmark.net/singleThread.html

The main problem is that it would imply the purchase of another motherboard.

What do you think ?

Novuake · Sep 19, 2014

CPUBenchmark is useless. DO NOT use it, its an arbitrary number that can not be used at all.

What games is this?

It would never be worth the cost, a mild overclock on a 3570K would equal a 4790K at stock for any single threaded game.

YunOwnz · Sep 19, 2014

The game: Lineage II

(It uses the Unreal2 Engine)

If I can sell my i5 and my P8Z77, I can get 200€ out of it.
The cost of a Z97 mobo and i7 is like 500€.

So the overall cost would be roughly 300€.
According to you, not worth it.

I will wait for more feedback.

Novuake · Sep 19, 2014

Yep, not worth it at all in my opinion.

YunOwnz · Sep 19, 2014

Any other feedback regarding the single-threading performances of the i7 ?
Would I have more FPS on a single-threaded game than with my i5 ?

Novuake · Sep 19, 2014

4FPS at most...

YunOwnz · Sep 19, 2014

Any other impressions regarding the benefit on single-threaded games ?

mlga91 · Sep 19, 2014

I acually doubt that you'll see any improvement on a old game. Are you having problems with your current setup?

James Mason · Sep 19, 2014

Yeah, unless you want to do heavy video editing, there's no reason to get a i7. And only if you do alot of it and time is a factor.

I can stream and record and play online games at 1080p on an i3, 750ti with 8gbs of ram, and still maintain a 50-60 fps ingame. (for only about $550-600 pc that's pretty amazing)

YunOwnz · Sep 19, 2014

Well I don't know if you ever played Lineage II, but during mass pvp (when there are 200 people around using skills) it's a CPU struggle fest.
My FPS decrease from 100 to 30 just by watching 50 players idling in town.
So you can imagine in castle sieges...

Here is the perfect example:
https://www.youtube.com/watch?v=WQiK3gQm6lo

In the first 2 minutes you can see how he is struggling with FPS.
After the 2min he disables the animations, resulting in high FPS, but it's like playing blind, a bit dull...

My specs:

MOBO: ASUSTeK P8Z77-V-LX
CPU: i5 3570k @ 4.2GHz (auto OC by mobo)
GPU: MSI 780 GTX Twin Frozr 3GB
RAM: GSkill Sniper 16GB Dual Channel 1.6MHz
SSD: Samsung 840 Pro 256GB (win7 / games on it)
Cooling: Hyper 212 Evo
Monitor: Samsung S24B350H
PSU: EarthWatts 650W

When playing the game my CPU usage is at 35% minimum and it uses 1 single core, so the dedicated core usage is at 100% everytime.
So it's like:
Core 1 : 3%
Core 2 : 2%
Core 3 : 25%
Core 4 : 5%
Hence the bottleneck and FPS decrease...

I don't know if you can possibly turn a single-threaded game into multi-threaded.
But apart from that utopia the only thing I believed would help was getting an i7 4790k for its single-threaded app perfs...

13thmonkey · Sep 19, 2014

why would there be a difference in the single threaded performance between and i5 and an i7? they are the same core?

YunOwnz · Sep 19, 2014

I found this info on the internet, for exemple here:

http://cpu.userbenchmark.com/Compare/Intel-Core-i7-4790K-vs-Intel-Core-i5-3570K/2384vs1316

It says the i7 4790k is 32% faster than the i5 3570k at single threading.

Found some others sources, but it's the most accurate one.

13thmonkey · Sep 19, 2014

that's because it is clocked faster. that's all. You can OC the i5 to the beyond the same level, or let it turbo up to the same level.

YunOwnz · Sep 19, 2014

My motherboard auto OC my CPU with a multiplier of 41.
But I would like to go even further, get the maximum I can of my CPU.

Though, never overclocked, I'm clueless on this topic.
I tried once, set the multiplier straight to 46, and changed nothing else.
BSOD.

so meh

13thmonkey · Sep 19, 2014

that's because 46 is actually quite a lot. 43 is easy. It's like getting in a high powered car and just slamming your foot on the accelerator and not expecting to go sideways.

mlga91 · Sep 19, 2014

Read a overclocking guide, its not that complicated, and buy a aftermarket cooler if you dont have one, the BSOD must have been because of a unstable overclock.

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