Is a 750K for $60 worth it? And will it bottleneck a 7950?

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TwittleMyThumbs

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Jun 15, 2014
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I ask this because I have AMD's new FM2+ socket, with an A4-4(sucks so much), and I just made a great connection that could sell me some PC parts for cheap. please help. Also, I wanted to know if it would bottleneck a 7950? Ive seen some youtube videos like THESE: https://www.youtube.com/watch?v=YWN9ATVrLeg
https://www.youtube.com/watch?v=K79z7Mu83CI
https://www.youtube.com/watch?v=_fMDC6teQdA
https://www.youtube.com/watch?v=kCnCaiEISkc&list=TLbek454lKso-2ujvvqrnP6iRJWLdqMqtT

And I just don't believe it.
 
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You'd better believe it. 4 cores right now in most games is the maximum that they are able to utilize( if the game even utilizes more than 2). The newer games are utilizing more such as BF4 and Watch Dogs. But honestly the 750k in itself is just a good processor all around. It will last you a few years( im guessing 2 at least) until you are gonna want to make an upgrade. And since you have the FM2+ upgrading shouldnt be a big issue. But also if you dont plan on overclocking get the 740. Its about $10 cheaper and performs the same as the 750K.
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Rakeen70210

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Jun 9, 2014
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You'd better believe it. 4 cores right now in most games is the maximum that they are able to utilize( if the game even utilizes more than 2). The newer games are utilizing more such as BF4 and Watch Dogs. But honestly the 750k in itself is just a good processor all around. It will last you a few years( im guessing 2 at least) until you are gonna want to make an upgrade. And since you have the FM2+ upgrading shouldnt be a big issue. But also if you dont plan on overclocking get the 740. Its about $10 cheaper and performs the same as the 750K.
 
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Rakeen70210

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The 750K is the discrete CPU whereas the A10-7850K is the APU. Either way its better to get the 750K and get a discrete GPU with the saved money.
 
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BlasterX

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Feb 23, 2014
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I've seen a video about performance from Athlon X4-750K and Intel i5 with various graphics cards, and the 750K does only bottleneck the 7950 little to none. Only if you go above that video card, like Nvidia GTX 770/R9-280X or so, then it does bottleneck a lot, but the 750K is just enough for 7950.
 
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Guest

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Probably. Honestly it depends on the game. Bottlenecks happen when the game engine eats up enough of the CPU's processing time that it doesn't have enough leftover to handle all the data the GPU needs to run smoothly. In games that don't require much CPU data it won't be an issue, while in games/situations where the CPU is being taxed more heavily, framerates will suffer greatly as the GPU is taking the backseat while the CPU is working to process the game's engine and what's going on.

This is evident if you play something like BF4 on single player and then switch to playing on a 64-player multiplayer match. Framerates will drop significantly in the second case unless you have a really beefy CPU like a 3930K.

On its own the 750K is enough to support a 7950, but when it's also juggling a demanding game engine that's when it will struggle.
 
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Damn_Rookie

Damn_Rookie

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Feb 21, 2014
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In regards to bottlenecks, this should prove very useful: http://www.tomshardware.com/reviews/build-your-own-budget-amd-pc,3807-2.html

A recent article on Tom's hardware showed that a perfect match for the 750K is an R7 260X. An R9 280X (a renamed 7970, so reasonably similar to the 7950 you mention), is bottlenecked quite a lot, even when the 750K is overclocked to 4.2 GHz (the amount varying based on the specific game in question).
 
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