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AMD FX-8120 Eight-Core vs AMD FX-6300 Six-Core

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October 30, 2012 12:30:50 AM

I'm pretty new to computer components and I'm building a PC, I'm wondering if the AMD FX-6300 Six-Core CPU is better than the AMD FX-8120 Eight-Core CPU? What does this CPU Mark mean and why is this cheaper CPU better according to this test?

More about : amd 8120 core amd 6300 core

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a c 109 à CPUs
October 30, 2012 12:37:27 AM

AMD FX-8120 is very similar to the AMD FX-8150. Knowing that, here's a benchmark on AnandTech. - http://www.anandtech.com/bench/Product/699?vs=434

It depends on what you're doing. If the work you're doing is highly multi-threaded, the FX-8120 will perform a little better.

However, I believe the benchmarks you linked rate the FX-6300 a little higher is due to the price/performance ratio. It comes in at a price point ~$20 cheaper than the FX-8120 and can pump out just as much performance.

Also, on a side note, the FX-6300 has the 'second generation' Bulldozer module called Piledriver. It's known to be 7-15% faster than the old Bulldozer CPU's which is most likely why the FX-6300 performs so well.

Here's how you can recognise Bulldozer CPU's from Piledriver CPU's -

FX-81XX, FX-61XX, FX-41XX CPU's are all Bulldozer chips.
FX-83XX, FX-63XX, FX-43XX CPU's are all Piledriver chips.
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October 30, 2012 12:46:13 AM

mocchan said:
AMD FX-8120 is very similar to the AMD FX-8150. Knowing that, here's a benchmark on AnandTech. - http://www.anandtech.com/bench/Product/699?vs=434

It depends on what you're doing. If the work you're doing is highly multi-threaded, the FX-8120 will perform a little better.

However, I believe the benchmarks you linked rate the FX-6300 a little higher is due to the price/performance ratio. It comes in at a price point ~$20 cheaper than the FX-8120 and can pump out just as much performance.

Also, on a side note, the FX-6300 has the 'second generation' Bulldozer module called Piledriver. It's known to be 7-15% faster than the old Bulldozer CPU's which is most likely why the FX-6300 performs so well.

Here's how you can recognise Bulldozer CPU's from Piledriver CPU's -

FX-81XX, FX-61XX, FX-41XX CPU's are all Bulldozer chips.
FX-83XX, FX-63XX, FX-43XX CPU's are all Piledriver chips.

I've been hearing some great things about Piledriver, so which would be better for gaming/video editing?
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October 30, 2012 12:50:36 AM

For gaming, the 6300 is better, because of higher clock speeds and improved IPC of piledriver.
For video editing the 8150, because it has 2 more cores :) 
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a c 109 à CPUs
October 30, 2012 12:55:03 AM

Basically, $hawn answered your question.

For a similar price, the FX-8320 would be a great CPU for video rendering. For very heavily threaded tasks, it's a beast considering the price point and overclockability of these chips.

http://www.hardwarecanucks.com/forum/hardware-canucks-r...
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October 30, 2012 1:00:08 AM

Thanks guys for the help :D , IMMA MAKE MY PC!

Now that I've decided upon my CPU, here's the rest of the build...I can't decide on a motherboard now, what's the best motherboard I can get for the best price?

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor ($139.99 @ Newegg)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($39.99 @ Newegg)
Storage: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($54.99 @ NCIX US)
Video Card: XFX Radeon HD 7850 1GB Video Card ($167.55 @ Newegg)
Case: Zalman Z11 ATX Mid Tower Case ($45.94 @ NCIX US)
Power Supply: Antec Neo Eco 520W 80 PLUS Certified ATX12V / EPS12V Power Supply ($46.98 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($15.99 @ Newegg)
Monitor: Acer G215HVAbd 21.5" Monitor ($109.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (64-bit) ($91.99 @ Amazon)
Total: $713.41
(Prices include shipping, taxes, and discounts when available.)

*EDIT* Yeah, I saw that CPU, I would definitely choose that over the other two in a heartbeat, but I have a budget I gotta keep and that one is just barely tipping the scale.
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a c 109 à CPUs
October 30, 2012 1:05:08 AM

On second thought, what is your budget? You may be able to squeeze in an i5 build if it's around $850 :) 

**EDIT**

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3450 3.1GHz Quad-Core Processor ($186.97 @ CompUSA)
Motherboard: ASRock H77M Micro ATX LGA1155 Motherboard ($69.99 @ Newegg)
Memory: Corsair 8GB (2 x 4GB) DDR3-1600 Memory ($35.99 @ Newegg)
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive ($89.93 @ Amazon)
Video Card: MSI GeForce GTX 660 2GB Video Card ($209.98 @ NCIX US)
Case: Cooler Master Elite 430 ATX Mid Tower Case ($39.99 @ SuperBiiz)
Power Supply: Corsair Builder 430W 80 PLUS Certified ATX12V Power Supply ($34.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($15.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (64-bit) ($91.99 @ Amazon)
Total: $775.82
(Prices include shipping, taxes, and discounts when available.)

FX-6300 vs i5 3470 (same clocks as 3450) - http://www.anandtech.com/bench/Product/702?vs=699
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October 30, 2012 1:07:21 AM

mocchan said:
On second thought, what is your budget? You may be able to squeeze in an i5 build if it's around $850 :) 

**EDIT**

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3450 3.1GHz Quad-Core Processor ($186.97 @ CompUSA)
Motherboard: ASRock H77M Micro ATX LGA1155 Motherboard ($69.99 @ Newegg)
Memory: Corsair 8GB (2 x 4GB) DDR3-1600 Memory ($35.99 @ Newegg)
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive ($89.93 @ Amazon)
Video Card: MSI GeForce GTX 660 2GB Video Card ($209.98 @ NCIX US)
Case: Cooler Master Elite 430 ATX Mid Tower Case ($39.99 @ SuperBiiz)
Power Supply: Corsair Builder 430W 80 PLUS Certified ATX12V Power Supply ($34.99 @ Newegg)
Optical Drive: Lite-On iHAS124-04 DVD/CD Writer ($15.99 @ Newegg)
Operating System: Microsoft Windows 7 Home Premium SP1 (64-bit) ($91.99 @ Amazon)
Total: $775.82
(Prices include shipping, taxes, and discounts when available.)

I'm trying to stay under $800 :( 
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a c 109 à CPUs
October 30, 2012 1:08:12 AM

ruskininja said:
I'm trying to stay under $800 :( 


The parts list I made for you is right in your ballpark.
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October 30, 2012 1:09:19 AM

mocchan said:
The parts list I made for you is right in your ballpark.

Oh, sorry, just realized your edit.
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a c 109 à CPUs
October 30, 2012 1:11:28 AM

ruskininja said:
Oh, sorry, just realized your edit.

:) 
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October 30, 2012 1:47:02 AM

Eh...I still prefer the AMD FX-6300...do you know a good motherboard for it?
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October 30, 2012 2:59:10 AM

I built my new comp similar to yours 3 weeks back but Amd vishera was not yet released.. :p 

and i bought this.. Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
I Have
amd Fx 6100
Msi Twin Frozr 7850

I use it mostly to play Games.

it runs cool.. and boot time is fast on my
Windows home edition.

Check here for Bios flash requirement.

http://support.asus.com/cpusupport/detail.aspx?SLanguag...(FD6300WMW6KHK),3.5GHz,6C,95W,rev.C0,AM3+&pcb=ALL&sincebios=1401&memo=
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October 30, 2012 3:49:13 AM

Just a thought, when considering Fx-6300 v Fx-8120 shouldn't the type of game come into it? ie if the OP is playing Strategy type Multiplayer games, Battlefield etc. wouldn't the 8120 be 1st choice based on Hyperthreading/No. of cores?
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October 30, 2012 4:07:23 AM

chriscornell said:
The money you save by choosing the AMD platform over an Intel one, are going to be spend extra on next years electricity bill because AMD-chips are so inefficient:

http://www.techspot.com/review/586-amd-fx-8350-fx-6300/...

Is it really worth it?

Not a fanboi - just saying.


Of course! He'll be able to turn the Central Heating off ...
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October 30, 2012 4:08:38 AM

dodger46 said:
Of course! He'll be able to turn the Central Heating off ...


:D 
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a c 180 à CPUs
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October 30, 2012 4:52:34 AM

*Figure out your CPU budget and look up GAMING PERFORMANCE relative to other CPU's. At $800 budget and for future proofing I recommend something more like this:

My advice for the CORE components is this:
1. Asrock or similar motherboard using 1155/Z77, about $100
2. Intel i5-3570K, about $220
3. HD7850/GTX660 (read benchmarks. Prices change. Investigate the new AMD "never settle" game bonuses.

4. Antec/Corsair or similar power supply (look for SALES at NCIX etc)
5. CASE-> Antec or similar case for as little as $40 (Antec three hundred?)
6. 8GB DDR3 1600MHz (about $40, get 2x4GB)
7. Windows 8 OEM

Now, I'll no doubt get people say "don't spend so much on the CPU" and there is a good argument there, however there are an increasing number of games needing three or more cores and it will save you money in the long run.

**You really need to look at GAMING BENCHMARKS for your chosen CPU. I haven't seen anything that suggests AMD is the way to go for a Medium/High gaming build.
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a c 180 à CPUs
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October 30, 2012 4:58:37 AM

"For those building a fresh rig from scratch, Ivy Bridge will likely still be more attractive thanks to its superior single thread performance and efficiency."

More info here, but I agree totally:
http://www.techspot.com/review/586-amd-fx-8350-fx-6300/...

*Note that the POWER consumption is far greater with AMD as well. Not only will you that slowly cost in electricity but if you're like me in a small room that heats up it's critical.
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October 30, 2012 1:46:11 PM

photonboy said:

**You really need to look at GAMING BENCHMARKS for your chosen CPU. I haven't seen anything that suggests AMD is the way to go for a Medium/High gaming build.


http://www.tomshardware.com/reviews/fx-8350-vishera-rev...


Check those benchmarks..

You havent seen or are you blind... those benchmarks clearly suggests that you can ***USE*** AMD for Medium/High/Ultra Gaming build.

Anyways it depends on what you want to use.
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October 30, 2012 1:47:06 PM

and when the OP is saying he prefers..

***** AMD FX-6300 *****

and wants suggestion on a mother board...

Why would you all still keep him pushing to intel??
stop being fanboys...
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October 30, 2012 8:03:34 PM

witcherx said:
and when the OP is saying he prefers..

***** AMD FX-6300 *****

and wants suggestion on a mother board...

Why would you all still keep him pushing to intel??
stop being fanboys...


Yeah, kinda how I feel...I love intel and all, but AMD is better power for the budget.
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October 30, 2012 8:10:34 PM

witcherx said:
I built my new comp similar to yours 3 weeks back but Amd vishera was not yet released.. :p 

and i bought this.. Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
I Have
amd Fx 6100
Msi Twin Frozr 7850

I use it mostly to play Games.

it runs cool.. and boot time is fast on my
Windows home edition.

Check here for Bios flash requirement.

http://support.asus.com/cpusupport/detail.aspx?SLanguag...(FD6300WMW6KHK),3.5GHz,6C,95W,rev.C0,AM3+&pcb=ALL&sincebios=1401&memo=

Thanks btw for giving me a motherboard suggestion, but I need to trim it down as much as possible, would this work?
ASRock 970 PRO3
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a c 180 à CPUs
a b À AMD
October 31, 2012 1:42:32 AM

witcherx said:
http://www.tomshardware.com/reviews/fx-8350-vishera-rev...


Check those benchmarks..

You havent seen or are you blind... those benchmarks clearly suggests that you can ***USE*** AMD for Medium/High/Ultra Gaming build.

Anyways it depends on what you want to use.


I'm not "blind" but if you weigh the PROS and CONS most reviews go with Intel. This is the CONCLUSION from the article you linked:

"Although I’m impressed by the work AMD’s architects have done in the last year, performance remains too workload-dependent. And, inexpensive energy aside, I’m going to go with the more efficient implementation when all else is close to equal."

It's not worth arguing about, and that's why I said simply to look at the benchmarks himself. Again, though, I do think the POWER CONSUMPTION is very important, especially when you overclock.

And the benchmarks, you linked to the BF3 which is bottlenecked by the GPU, skip ahead one page and look at SKYRIM:
http://www.tomshardware.com/reviews/fx-8350-vishera-rev...

Wow, look at how poorly the AMD CPU's do here!
The $220 i5-3570K beats the FX-8350 by 30% and the FX-8150 by 54%!!!
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a c 180 à CPUs
a b À AMD
October 31, 2012 1:58:04 AM

Here's a good CPU comparison in several games:
http://www.anandtech.com/show/6396/the-vishera-review-a...

*Now the FX-6300 can be found for $140 and the i5-3570K is much more expensive at $220.

On the other hand, we see cases of up to 50% difference in frame rates! Even if we just use an average of roughly 30% difference that's a big difference.

On an $800 build the $80 difference in cost is 10%, for a much larger gain in performance. Sure, it gets tricky because we could put that towards a better graphics card but that only helps so much when the CPU is clearly becoming a bottleneck.

*Don't flame me, I'm just presenting FACTS. It's not fanboism, nothing's made up. These are the benchmarks and numbers. If you still think AMD is the better way for gaming then I won't argue. I just want you to have all the correct information and make an informed decision.
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a c 180 à CPUs
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October 31, 2012 2:08:37 AM

MONITOR:
FYI, the Acer you picked has VERY POOR viewing angles. It's like most laptop screens. I know you have a low budget, but maybe find one with good reviews.

You'd be far better off with something like this ASUS:
http://us.ncix.com/products/?sku=38845&vpn=VH236H&manuf...

(note the reviews are quite good for a monitor of this price and the 2ms response should be great for gaming.)
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October 31, 2012 4:53:57 PM

The main issue I have with that board is that it's SATA II... you'd be building a whole system around a bottleneck in disk speed. If you ever go SSD, which I assume you will before this computer is out of date, you'd be really sorry you skimped on the SATA III. The Asus M5A88 micro ATX boards are just under $100 and are SATA III. I am actually typing on a system using one right now. The Asus M5A97 is the next step forward; basically the same board but in full ATX size, so you get the crossfire capability and a bit more room. Ultimately though, I would shoot for the Asus M5A99X-EVO. Amazon has it on sale for $130 right now, with a $20 mail in rebate for $110 final cost. That board has 6+2 power phasing as opposed to I believe 4+2 for both of the other boards I noted. That will come into play in a major way if you plan on overclocking the CPU. They may have the MA599FX Pro on sale for the same price at the moment actually- which would be an even better deal. Either way, the 990 series chipset on the last two boards along with the power phasing is going to crush the performance ceiling of what the others would be giving you. :hello: 
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October 31, 2012 5:43:33 PM

don't forget to check combo deals.

http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...

parts picker doesn't take those into account.

http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...

also

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

thats one heck of a deal on that card.

compared to the 7850, at 186.56 with shipping the only real difference is the extra $5 from the MIR.

7870 1ghz for $199 + free shipping beats the 7850 in value.
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October 31, 2012 7:45:45 PM

wow, thanks guys for all the suggestions. i got to sit down and read all of this. and ocmusicjunkie...which board are you talking about? i can't seem to find the SATAII board, is it the Micro-ATX or the one in my estimate?
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October 31, 2012 9:18:23 PM

Oh, the SATAII board was the one that Photonboy posted right before my message (M5a78). The ASRock board you had linked to would work fine if it lists compatibility with the processor, but I still think that depending on the overclocking hopes that you have for the system, I would look to first get a 990-chipset board (ie Asus M5A99X-EVO/M5A99FX Pro, Ect) as opposed to a 970-series chipset. After that, I would shoot for either 6+2 or 8+2 power phasing if possible- although the M5A88 I am on right now has had fairly robust OC ability for a board that is a notch below those specs. I am referencing Asus boards here because that's the only brand I know off the top of my head- and the only one I'd consider myself other than (dependent on price) Gigabyte.

One thing I would say is that you should also consider, if at all possible, looking at a bit higher grade power supply. Corsair does make some really great units, but I just have seen mixed reviews of the ripple/noise performance of their entry level units. The Seasonic S12II 430w here http://www.newegg.com/Product/Product.aspx?Item=N82E168... is a great unit from arguably the best PSU manufacturer in the business. I've had the 520w and 620w versions of the same model and couldn't say enough about them.

Oh, and just because I am OCD, I also have to mention that you may want to offset a bit of the other cost increases I suggested by going with this HDD instead http://www.amazon.com/gp/product/B0088PUEPK/ref=ox_sc_s.... The newest 1tb Caviar Blue models are actually benchmarking higher than the same size Caviar Blacks, plus they lack the noise issue that seem to bother some about the Black line.

:hello: 
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a c 180 à CPUs
a b À AMD
November 2, 2012 1:34:01 AM

ocmusicjunkie said:
The main issue I have with that board is that it's SATA II... you'd be building a whole system around a bottleneck in disk speed. If you ever go SSD, which I assume you will before this computer is out of date, you'd be really sorry you skimped on the SATA III. The Asus M5A88 micro ATX boards are just under $100 and are SATA III. I am actually typing on a system using one right now. The Asus M5A97 is the next step forward; basically the same board but in full ATX size, so you get the crossfire capability and a bit more room. Ultimately though, I would shoot for the Asus M5A99X-EVO. Amazon has it on sale for $130 right now, with a $20 mail in rebate for $110 final cost. That board has 6+2 power phasing as opposed to I believe 4+2 for both of the other boards I noted. That will come into play in a major way if you plan on overclocking the CPU. They may have the MA599FX Pro on sale for the same price at the moment actually- which would be an even better deal. Either way, the 990 series chipset on the last two boards along with the power phasing is going to crush the performance ceiling of what the others would be giving you. :hello: 


It's not the board I would buy, but earlier he was talking about a board under $100 and talking about how he really had to get his costs down.

Give me a $1000 and it's pretty easy to pick parts for a gaming PC. Give me $800 and it gets a lot harder.
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November 11, 2012 10:32:58 PM

Best answer selected by ruskininja.
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November 20, 2012 11:15:01 AM

I bought the AMD FX-6300 and i OC it to 4.8Ghz, Intel fanboys also tried to push me to go Intel but with the price comparison fron an I5 2500k to the AMD FX-6300 how can you not choose the FX-6300, Once OC it will be so Awesome, but anyway you wanted a MOBO recommendation so here it is, for good OC stability you need a good MOBO and the one i use is ASrock 990 FX Extreme4, its a great board and i got it for around $190 at the time and supports CFX/SLI so you can have the both of both worlds heres a link to newegg

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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