Which CPU is Better for Gaming and CAD Software: Intel or AMD?

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SUMMARY

The discussion centers on selecting the optimal CPU for gaming and CAD software, comparing the Intel i5-2500K and AMD FX-8120. The consensus favors the i5-2500K for gaming due to its superior single-core performance, while the FX-8120 excels in multi-threaded applications like CAD. Users recommend considering the MSI Z77A-G45 motherboard for Intel builds and emphasize the importance of a good GPU, such as the Radeon HD 6950, to enhance gaming performance. Overall, the choice between Intel and AMD depends on specific use cases and budget considerations.

PREREQUISITES
  • Understanding of CPU architectures: Intel i5-2500K and AMD FX-8120
  • Familiarity with gaming performance metrics and CAD software requirements
  • Knowledge of motherboard compatibility, specifically MSI Z77A-G45
  • Basic awareness of GPU impact on gaming, particularly Radeon HD 6950
NEXT STEPS
  • Research overclocking techniques for Intel i5-2500K
  • Explore CAD software performance benchmarks on multi-core CPUs
  • Investigate motherboard options for AMD builds, focusing on Gigabyte and ASUS models
  • Analyze the latest GPU models and their performance in gaming scenarios
USEFUL FOR

PC builders, gamers, CAD professionals, and anyone seeking to optimize their computer for both gaming and intensive software applications.

grantwilliams
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I'm looking at building a computer that is capable of gaming and intensive CAD software and would like some advice.

Two CPU's I'm currently looking at (however other opinons are welcome!)

Intel: I5-2500K quad core (3.3Ghz 3.7Ghz turbo)

AMD: FX-8120 8 core (3.1Ghz)

I am looking at the Radeon HD 6950 2GB graphics card right now although other recommendations of similar price would be welcome.

12g of ddr3 ram

90g ssd boot drive

650g 7200rpm mechanical drive

I would love advice on the processor or any other input you might have.

Grant
 
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I'm a big fan of the i5-2500k. I assume since it's the "k" variant, you'll be overclocking it? What motherboard(s) are you looking at? Tom's Hardware has excellent forums on which you can post theoretical systems, and some very knowledgeable folks will give you an honest review of your components.

Did a 2500k gaming build with my wife earlier this year. Runs like a champ, eats up anything she throws at it.

http://www.overclock.net/lists/display/view/id/4070072
 
Vladimirr said:
I'm a big fan of the i5-2500k. I assume since it's the "k" variant, you'll be overclocking it? What motherboard(s) are you looking at? Tom's Hardware has excellent forums on which you can post theoretical systems, and some very knowledgeable folks will give you an honest review of your components.

Did a 2500k gaming build with my wife earlier this year. Runs like a champ, eats up anything she throws at it.

http://www.overclock.net/lists/display/view/id/4070072

I would like to eventually get into overclocking; however, I currently do not know a lot about it so i thought i would get a chip and board i could OC eventually.

I do not know a whole lot about mobo's but this board got great reviews. What do you think of it? MSI Z77A-G45 LGA

Is it compatible with my graphics card? (this is my first build sorry for the newbishness)
 
I've got the Intel i5-2500K in my desktop at home and the AMD FX-8150 (I assume you mean the 8120 not the 1820) in my workstation at school. For CFD and FEA work which is what I mostly use them for the 8150 just obliterates the i5 in terms of performance (and its cheaper!). Its really no contest as the 8150 even beats out the Xeon Intel workstations that we have.

However, for gaming it could be a different story. When you've got an 8-core CPU paired up with some fast 16GB of memory and CFD software which takes advantage of all of it AMD is the outright winner hands down. But for gaming, I don't know, as individual core performance tends to be more advantageous for games. But these days, your GPU has more to do with gaming performance than your CPU does so I would just go with which ever is cheaper.
 
Greg Bernhardt said:
Intel, AMD is losing the battle of late

This is only because of Intel's marketing campaign. Its doesn't really have anything to do with the companies products.

BTW, AMD still makes the best and most cost effective GPU's out there and they've been doing it for a while.
 
Topher925 said:
I assume you mean the 8120 not the 1820)

My bad on the typo, but yes that is what i meant. My only question is how much of my software will be able to take advantage of the 8 cores?
 
grantwilliams said:
My bad on the typo, but yes that is what i meant. My only question is how much of my software will be able to take advantage of the 8 cores?

Both proc's will run any CAD software without too much issue unless you get into generating some seriously complex geometry. CAD tends to be more GPU and HDD intensive than anything else.

As for games, I don't know. Most modern games are programmed to take advantage of multiple cores but some aren't. Either way, both proc's will run any game just fine if you've got the GPU to match it. Like I said before, just go with which ever is cheaper. If I were building a new machine right now I would most certainly go with the AMD chip.
 
Thanks Topher, do you have any suggestions for good mobo's?
 
  • #10
What's the price difference for 2500k versus 2600k? If it's not much, it might be worth it for a bit more speed.
 
  • #11
rcgldr said:
What's the price difference for 2500k versus 2600k? If it's not much, it might be worth it for a bit more speed.

Its about $70 on newegg
 
  • #12
grantwilliams said:
Thanks Topher, do you have any suggestions for good mobo's?

Not any model in particular but I've always been a fan of Gigabyte mobo's as they generally used the best components. I used to be only an Epox guy but they went out of business.
 
  • #13
grantwilliams said:
I do not know a whole lot about mobo's but this board got great reviews. What do you think of it? MSI Z77A-G45 LGA

I'm partial to ASUS boards. This is the one I got: Asus P8Z68 V-PRO Gen 3

grantwilliams said:
Is it compatible with my graphics card? (this is my first build sorry for the newbishness)

You want to look at the expansion slots. Looking up your mobo selection on newegg, it says:
PCI Express 3.0 x16 - 2
PCI Express 2.0 x16 - 1
PCI Express x1 - 4

So yes, it will accommodate your video card selection.
 
  • #14
rcgldr said:
What's the price difference for 2500k versus 2600k? If it's not much, it might be worth it for a bit more speed.

The 2500k is virtually the same as the 2600k for gaming. Save the money and put it into a $70 better video card.
 
  • #15
Vladimirr said:
I'm partial to ASUS boards. This is the one I got: Asus P8Z68 V-PRO Gen 3

My last build had an ASUS on it and I was a pretty big fan.

What do you think of this one for an AMD build?
Gigabyte

Its only $150 so I could invest in a better quality power supply or ram.

And I still don't know whether to go AMD or Intel. Will it really make much of a difference?
 
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  • #16
grantwilliams said:
I'm looking at building a computer that is capable of gaming and intensive CAD software and would like some advice.

Two CPU's I'm currently looking at (however other opinons are welcome!)

Intel: I5-2500K quad core (3.3Ghz 3.7Ghz turbo)

AMD: FX-8120 8 core (3.1Ghz)

I am looking at the Radeon HD 6950 2GB graphics card right now although other recommendations of similar price would be welcome.

12g of ddr3 ram

90g ssd boot drive

650g 7200rpm mechanical drive

I would love advice on the processor or any other input you might have.

Grant

As Vladimirr posted, go to http://www.tomshardware.com/ post your question and you'll get an answer from hard core gamers and performance nuts. You can also check the "Build Your Own" lastest articles to see what's testing tops these days.
 
  • #17
grantwilliams said:
I'm looking at building a computer that is capable of gaming and intensive CAD software and would like some advice.

Two CPU's I'm currently looking at (however other opinons are welcome!)

Intel: I5-2500K quad core (3.3Ghz 3.7Ghz turbo)

AMD: FX-8120 8 core (3.1Ghz)

I am looking at the Radeon HD 6950 2GB graphics card right now although other recommendations of similar price would be welcome.

12g of ddr3 ram

90g ssd boot drive

650g 7200rpm mechanical drive

I would love advice on the processor or any other input you might have.

Grant

As Vladimirr posted, go to http://www.tomshardware.com/ post your question and you'll get an answer from hard core gamers and performance nuts. You can also check the "Build Your Own" latest articles to see what's testing tops these days.
 
  • #18
Thanks guys that site is super helpful!
 

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