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What GPU would you recommend to me that will not bottleneck my CPU? - Page 9

post #81 of 85
Quote:
Originally Posted by Atham View Post

PSU - Corsair TX 650 v2 - 78.34 EUR
CPU - i5 2500k - 189.78 EUR
Motherboard - Asus P8P67 - 114.00 EUR
GPU - Hewlett Packard 9800GT 1GB
Optical drive- SAMSUNG SH-222AB - 15.06 EUR.
RAM - Should I get some new RAM or keep the old one?
Total - 397.14 EUR
What would you change about this setup? Any suggestions.
BTW, the card used to work on my friend's PC. Should I give it a test run and see how it works out?

Looks good. You should get new RAM as that low speed RAM could be a bottleneck. You should really get 1600mhz DDR3.
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post #82 of 85
Just to be very clear, there's no possible way to look at any GPU/CPU combination and proclaim 'this CPU will (or will not) bottleneck that GPU'.

You see, there is an X, a Y, and a Z component to this equation, not just X (cpu) and Y (gpu). The Z component is, of course, the software being run on the hardware.

It is critical to note that every single frame ever rendered by your system provides a brand new opportunity for either the CPU or the GPU to act as the limiting factor to performance, and which one it is depends on the particular application (i.e. what game or benchmark), as well as the settings used when running that application.

In effect, here is the equation:

Higher resolution/IQ settings = Lower FPS due to increased GPU strain = Lower probability of the CPU being the limiting factor to performance (due to the GPU requiring less work of the CPU per time-slice).

It should also be noted that the WORST CASE scenario when it comes the possible creation of CPU bottleneck due to a GPU Upgrade is that you'll end up with the exact same FPS you get now ... but you'll be able to get that same FPS with higher image quality settings (i.e. after raising the game's graphics quality settings/resolution/AA level).

To give numeric examples, imagine you can currently play Crysis 2 completely maxed out at exactly 60fps ... but only if you drop your resolution to 1024x768. If you upgrade the same machine to use a fancier gfx card, you may well be able to run Crysis 2 completely maxed out at exactly 60fps ... at 1080p resolution.

Now, this might be, technically, a 'CPU-bottlenecked' scenario insofar as your card might be capable of 90fps at these settings ... but if your goal in upgrading your GPU is to increase your 'maximum playable settings' (as opposed to, say, breaking the FPS record running 3dMark06), then it's very likely to still be 'worthwhile' no matter what card you upgrade to.
    
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post #83 of 85
I would also add that the general population of OCN GREATLY over-values quad (or more) core CPU's when it comes to gaming performance ... particularly at the IQ settings that most of us desire to play at (i.e. as close to 'maxed out' as possible).

The (somewhat sad) reality of the situation is that, even w/the newest games, the FPS increase provided by a quad vs a dualie (assuming identical clocks and chip architecture) turns out to be very small in the vast majority of possible gaming scenarios ... particularly those wherein you're striving for the highest possible image quality (as opposed to benchmarks where you're looking for raw FPS, typically at lower IQ than you'd be wanting to game at).

In reality, it's relatively very rare that an upgrade from a dualie to a quad (again, assuming the same chip otherwise) is going to make the difference between a game being 'playable' and 'not playable', because generally speaking when there actually is ANY difference between dual and quad performance (which is much more rare than people around here generally seem to believe), it's occurring at the higher end of the FPS spectrum (i.e. a quad gives you 150fps, a dualie gives you 100fps, that sort of thing), wherein the eye cannot tell the difference anyways.

However, if you happen to be highly (i.e. bordering on 'entirely') interested in one of the very small handful of games wherein a quad is fairly necessary to even achieve good playability at max IQ settings, such as (arguably) BFBC2 (and I'd presume BF3), it could potentially 'change the equation' I'm talking about here somewhat wink.gif

Ultimately what I'm trying to get across here is: If I were you, I'd buy the GPU you really want, and not worry about your CPU slowing it down. Then upgrade the CPU when you get the money (and/or chance) later on down the line. This way, in the interim, you get to enjoy the demonstrable increase in max playable settings provided by the GPU update. thumb.gif

Plus, that way, you're not stuck needing to sell the card you didn't really want ... once you do get a few bucks to upgrade the CPU.
Edited by brettjv - 11/28/11 at 3:05pm
    
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post #84 of 85
Thread Starter 
Thanks a lot for your response.

I don't play Crysis 2 or BF3 (don't have them). I will play games like Assassin's Creed II, BRotherhood, Revelations, Deus Ex Human revolution, 3D and stuff like that.

After reading all of this my question would be: Which will give me more FPS? A new i5 2500k with 9800GT or my Dualie with HD 6950/GTX 560 Ti?
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post #85 of 85
Quote:
Originally Posted by Atham View Post

Thanks a lot for your response.
I don't play Crysis 2 or BF3 (don't have them). I will play games like Assassin's Creed II, BRotherhood, Revelations, Deus Ex Human revolution, 3D and stuff like that.
After reading all of this my question would be: Which will give me more FPS? A new i5 2500k with 9800GT or my Dualie with HD 6950/GTX 560 Ti?

How about an I3-2100 and a 6850/70?
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I is bad@naming
(21 items)
 
Up and running!!
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CPUMotherboardGraphicsGraphics
Intel 4930k Asus Rampage IV Black edition Powercolor 7870 PCS+ Sapphire 7950 
RAMHard DriveHard DriveHard Drive
16gb 2133mhz G.Skill Sniper  Kingston SSD Western Digital R4 Seagate Barracuda 
CoolingCoolingCoolingOS
EK Supremacy acetyl/Nickel XSPC EX240 Phobya DC-12 400 Windows 7 
MonitorKeyboardPowerCase
Asus 23.5" Corsair K70 Antec True Power Quattro 850w Coolermaster Storm Trooper 
MouseMouse PadAudioAudio
Logitech G400 Steelseries QCK Schiit Magni Schiit Modi 
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Hifiman HE-400 
CPUMotherboardGraphicsRAM
Intel Core i7 2600K Asrock Extreme 6 Z77 PowerColor 7870 PCS+ MYST Corsair Vengeance 
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Hard DriveOptical DriveCoolingCooling
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CoolingOSOSOS
Phobya DC12-400 Windows 7 Home Premium 64bit Windows 8 pro 64bit Ubuntu 
MonitorMonitorKeyboardPower
Asus VH236H Acer V203W Logitech Business class Antec Truepower Quattro 850w 
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