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CPU or GPU performance for DayZ?

Last response: in Components
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April 9, 2014 10:21:35 AM

My friend is offering me either an i7 CPU, or a AMD Radeon HD 7790. Which ever one I don't pick, he's giving to another friend, so I can't pick both.

I want to know what would be best to choose, if I'm looking for increasing my performance in the game DayZ (it's the standalone)

Current GPU: AMD Radeon HD 6850
Current CPU: Intel i3-540 3.1GHz
Current Motherboard: ASRock H55M-LE
Current PSU: Not sure, but it's a 550 watt.

I currently am getting about 15-30 FPS in DayZ, but I would like a little better performance, by choosing to switch out my current i3 cpu with a i7, or my HD 6850 with a HD 7790 I'm hoping to get a increase in performance.

April 9, 2014 10:36:38 AM

I would definitely take the i7. Your current CPU is lacking. Plus with a better CPU you will be able to upgrade your GPU at some point as well if you decide that its necessary. What i7 is he giving? Although basically any i7 is better then a 1st Gen i3.
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April 9, 2014 10:39:43 AM

2nd, 3rd, or 4th gen i5 and a new mobo is the best way to go.

You can test if the CPU is your bottleneck by leaving settings on High, but turning off ambient occlusion and antialiasing - then drop the resolution as low as it will go and see what your fps is like. That will tell you how well your i3 can play the game.
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April 9, 2014 10:58:44 AM

jessterman21 said:
2nd, 3rd, or 4th gen i5 and a new mobo is the best way to go.

You can test if the CPU is your bottleneck by leaving settings on High, but turning off ambient occlusion and antialiasing - then drop the resolution as low as it will go and see what your fps is like. That will tell you how well your i3 can play the game.

all my settings are as low as possible, and im getting 15-30 fps, so i'm pretty sure it would not help to increase the settings, ergo making my PC work harder.
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April 9, 2014 11:00:48 AM

I would definitely bump the CPU up to at least an i5. i7 is great for multiple-GPU scaling, but an i5 will be good in DayZ with a good single GPU.

HD 6850 is a decent card. But I would upgrade it next. For comparison, a single 7950 is faster then 2 6850's in crossfire.
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April 9, 2014 11:26:22 AM

Also realize that Dayz is in alpha and it doesnt get the best performance, my OC 8350 AND 770 WINDFORCE only get 30-40 frames on high. You do want an upgrade, an i5 will do you just fine. Save the money you save from that and upgrade instead of an i7 and put it torwards your GPU when you can.
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April 9, 2014 12:32:56 PM

marckh said:
jessterman21 said:
2nd, 3rd, or 4th gen i5 and a new mobo is the best way to go.

You can test if the CPU is your bottleneck by leaving settings on High, but turning off ambient occlusion and antialiasing - then drop the resolution as low as it will go and see what your fps is like. That will tell you how well your i3 can play the game.

all my settings are as low as possible, and im getting 15-30 fps, so i'm pretty sure it would not help to increase the settings, ergo making my PC work harder.


Gotcha - don't have the game, myself. What you're describing is definitely a CPU-bottleneck. Most likely the final product will be much more optimized, but you'll need a fast quad-core if you want to play now.
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April 9, 2014 8:27:16 PM

Definitely get a better CPU preferably Intel because the cores are stronger. My Xeon 1230v3 and gtx 770 get 60 plus fps on high settings at 1080p(dips to about 50ish in areas like churno or elctro, shoots up to 80 plus in areas like the factory or lumber mill. Even at 1440p I remain above 45fps. Your GPU is decent and would definitely benifit from a Stronger CPU.
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