first time build budget 500 kill my console

So the whole idea is getting at PC within 550$ that has better graphic performance than a PS4, right? This build would do:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor ($117.99 @ NCIX US)
Motherboard: Gigabyte GA-78LMT-USB3 Micro ATX AM3+ Motherboard ($54.99 @ Microcenter)
Memory: Crucial Ballistix Smart Tracer 4GB (1 x 4GB) DDR3-1600 Memory ($29.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($64.99 @ NCIX US)
Video Card: Sapphire Radeon HD 7870 GHz Edition 2GB Video Card ($199.99 @ Newegg)
Case: Silverstone PS08B (Black) MicroATX Mid Tower Case ($29.99 @ Amazon)
Power Supply: Corsair Builder 430W 80 PLUS Certified ATX12V Power Supply ($24.99 @ Newegg)
Optical Drive: LG GH24NS95 DVD/CD Writer ($14.99 @ Newegg)
Total: $537.92
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-06-20 22:04 EDT-0400)

4gb or RAM is enough for any budget gaming system. You can always purchase more later. It's the easiest thing to upgrade. PS4's graphic performance is on par with a HD7850. Getting a HD7870 ghz makes you PC leads over it. This setup will play BF3 multiplayer at high 1080p, if not ultra.

It should also be taken into account that PS4 has wireless module and bluray reader. If you need your future PC to has both then we'll have to cut down the graphic performance here and there.

Overall - looks good. I built a budget gamer with a Phenom II X4 965 and the Powercolor 2GB 7850. I was able to easily OC the Phenom II to 4.0 Ghz and the 7850 as well (I'm not looking at the numbers, and I can't remember the 7850 clock, but it's definitely OC'able). I don't have any experience with the FX CPUs.

Just a couple things to consider:

1. The case. Looks like you found the cheapest one you can find. My own opinion is that the case is the one component you probably will live with the longest, so worthwhile spending a little more there up front. Silverstone Redlines are on $10 rebate at Newegg. Or you can certainly get a more up to date case for just a bit more $$.

2. PSU - NewEgg Promo Code EMCXPVX28 gets you this 500W Corsair Modular for $35 after rebate:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139050&nm_mc=EMC-IGNEFL062013&cm_mmc=EMC-IGNEFL062013-_-EMC-062013-Latest-_-PowerSupplies-_-17139050-L07D

3. Just a consideration. At the time I build my budget gamer, the 7850 was considered the best Price/Performance card in that price range. Since then, the GTX550 Ti Boost has come out in the same price range, and generally gets just a bit better performance (reference Tom's hardware "Best Graphics Cards for the Money": http://www.tomshardware.com/reviews/gaming-graphics-card-review,3107-3.html). It may depend on the specific games you play. Just a consideration - I've been very happy with the 7850. I also have a GTX 660 in an HTPC Gaming build, and I swear my OC'd 7850 performs as good in most games.

Another thing to consider with the GPU - make sure you're getting one on special or rebate, or both. 2 weeks ago there was a 7870Ghz edition with promo code and rebate netting to $175. Last weekend, there was a GTX 660 for $169 after promo code and rebate. It definitely pays to wait for a special on the GPU.

4. CPU Cooler - I don't know about the FX CPUs, but in general, you see more people recommending after-market coolers for AMD chips than for Intel. I run a stock cooler on an I3-3220 for my HTPC Gaming Build. For my Phenom II budget build, there is no way I would have run on the stock fan. I got a great deal on one of the closed-loop water cooling systems. Right now, there are a couple of great rebates. The pre-built kits are really easy to hook up. Right now, there is a cooler master Seidon 120M on Newegg for $35 after a $40 rebate. Someone else could probably recommend a good, cheap aftermarket air cooler if you prefer that one.

These are just things to think about. From what I can see, what you have will work for you.

Enjoy your build!

Yes, changing the PSU to CX500 would make it easier to upgrade VGA card later on. And remember to pick your solution when your problems got solved

Link to CX500 : http://pcpartpicker.com/part/corsair-power-supply-cmpsu500cxv2