FM2A58M-VG3+ R2.0 

and on the graphics it says INTEGRATED AMD RADEON R7/R5 SERIES GRAPHICS IN A-SERIES APU. DOES THE MOBO HAVE THIS BUILT IN? IF YES HOW CAN I ACTIVATE THE R7/R5 GRAPHICS. MY APU IS AMD A6 6400K RICHLAND WITH AN AMD RADEON HD 8470D. PLS HELP ME CAUSE THIS IS MY FIRST PC THAT I BUILT. FOR MORE INFO ABOUT THE MOBO HERES THE LINK: http://www.asrock.com/mb/AMD/FM2A58M-VG3+%20R2.0/

INTEGRATED AMD RADEON R7/R5 SERIES GRAPHICS IN A-SERIES APU

He is using an A6 6400k Richland APU which is equipped with an "HD 8470D" iGPU. Newer APUs all utilize R5/R7 designation iGPUs. I believe he feels cheated as he believed the board itself possessed an iGPU he could enable in place of or in conjunction with the CPU's iGPU.

I am sorry he feels that way but most, if not all FM2+ boards have their graphics capabilities listed this way. The 8XXXD iGPUs were renamed to R5 and R7 designations with the A(XX) 7K series of APUs. They are in essence still the same iGPUs with some tweaks and performance improvements.

There would be little to no performance increase between his 8470D to an R5 graphics solution on the a6 7400k for example. Maybe a few FPS due to slightly higher clocks but ultimately the A4 and A6 range of iGPUs are not gaming APUs, they are budget oriented media solutions.

Part of the problem with dual graphics is that only certain GPUs are compatible. Some of these GPUs are a total waste of money. I would not touch an R7 240 for example, it costs around $70 new and performs horribly. 

The sweet spot when it comes to value for performance is the R9 250x which can be had for $80 - $85 and actually games reasonably well at 720p. While the R7 250x can't be used in dual graphics mode with your APU it will be significantly faster than a card that can be.

Basically I would recommend a faster GPU over one that can be used in dual graphics mode. The R7 250x will significantly outperform the APU + AMD HD 6570 in dual graphics.

If you are looking to go even cheaper then take a look at buying used. Any AMD HD 7790 or better will be a great investment.

http://www.bermorzone.com/store/p671/Zotac_GTX_750_Ti_1GB_DDR5_128bit.html" rel="nofollow -

The only issue you might come across is that your A6 is a dual core and may cause problems running some games but looking at the titles you listed I don't think it would be a problem for you, not unless you plan on playing some of the newer AAA titles. Some new games do not work well (or at all) on dual core systems. 

For a decent gamer on a budget I would recommend the following:

4 Core CPU (A8 is fine in your case though I would try and get an A8 7k series)

GTX 750/750Ti with 2gb of memory

8GB of RAM

This should allow you to play most AAA titles at decent FPS @720p (even 1080p in some titles) with a mix of low/medium and sometimes even high quality settings. You will have to tweak your visual settings for optimum quality vs FPS but most games today actually look pretty decent even with lower settings.  Google search the combination of APU and GPU you plan to get and take a look at youtube videos of gameplay with the combo. 

The parts I listed above will be night and day compared to the APU you are using now 

"For a decent gamer on a budget using as much of your current system as possible".

With that hardware config there shouldn't be any bottlenecks as the GPU will run out of horsepower before the A8 starts bottlenecking the system. It comes down to quality settings and resolution being tailored to the hardware. The goal should always be an enjoyable playing experience so better to have a game set to 720p medium settings at 45 - 50fps than to have it set to 1080p low at 25 - 30 for example.

If you should choose to upgrade your system at a later date (and have the budget for it) then you would do well to wait for AMD's Zen lineup to be launched. Regardless of which CPU you would go with, intel or AMD, the launch of Zen will hopefully present competition for intel and force intel's mid range pricing to be more competitive.

If you are not looking to replace everything then the info I provided above should do you well. You may even consider going for an Athlon x4 860, it is a faster CPU than the A8 and costs about the same. You can only do this if you purchase a discrete GPU however as the Athlon FM2+ CPUs do not have built in graphics. That wouldn't be a problem with the GTX 750/Ti.

In this instance it is more about pairing your hardware with equally performing components, IE. GPU + CPU. An A8 6/7K is a fairly weak quad core CPU so you would not want to pair it with say a GTX 960/R7 370 or above. Any slower GPU than those will be fine as they will be supplied with data by your CPU at the rate they demand. 

When the GPU is significantly more powerful than the system can handle it ends up being starved for data. The result is high CPU usage and low GPU usage, if it is the other way around the reverse is true. The ideal is to have both CPU and GPU both running at or near 80% in any given game. If both are running higher than 90% in a game then lowering settings will likely produce smoother gameplay. This is only a rule of thumb however and many games will spike even the best hardware to 100% usage on one or both CPU/GPU at times due to poor optimization etc.

If you want to know more than this take a look at the subject via google. I would search "PC Bottleneck information".