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AMD FX-4100 Zambezi or AMD Phenom II X4 965 Black Edition?

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October 29, 2012 10:18:01 AM

I'm trying to decide which CPU, AMD FX-4100 Zambezi or AMD Phenom II X4 965 Black Edition, would be the best/fastest for gaming, running multiple programs, etc. The price difference is only $10 as well between these CPUs so I'm really not sure which one to choose, the newer FX brand or older Phenom brand.

Keep in mind, I'm probably going to overclock a bit so would either choice be fine? Please help and the Motherboard I'm going to be using is a GIGABYTE GA-970A-UD3 if that makes any difference. Thank you!
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October 29, 2012 10:21:57 AM

I prefer the Phenom II X4 965 Black edition but if you are persuaded into getting the FX-4100 then you may not be able to use your build right away without a bios update to enable FX support. Take a look at this benchmark video comparing the FX-4100, FX-4170 and the Phenom II X4 955 Black edition, the 955 beats it in almost everything. The 965 is also faster than the 955 as well. Black edition is AMD's way of saying it can be overclocked significantly.

http://www.youtube.com/watch?v=hjvKgj3Kb3o
October 29, 2012 3:38:34 PM

Desttt said:
I'm trying to decide which CPU, AMD FX-4100 Zambezi or AMD Phenom II X4 965 Black Edition, would be the best/fastest for gaming, running multiple programs, etc. The price difference is only $10 as well between these CPUs so I'm really not sure which one to choose, the newer FX brand or older Phenom brand.

Keep in mind, I'm probably going to overclock a bit so would either choice be fine? Please help and the Motherboard I'm going to be using is a GIGABYTE GA-970A-UD3 if that makes any difference. Thank you!


Go with the 965BE as it will perform better than FX-4100 for gaming. Now the FX-4170 would be better if you choose to buy that one instead of either of these two.
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October 29, 2012 3:43:46 PM

Don't bother with an FX-4170... The FX-4300 is faster and consumes much less power than the 4170. As for Phenom II x4 965 BE versus FX-4100, well, if you can't simply step up to an FX-4300, then I'd recommend the FX-4100 over the Phenom II x4 965 BE. Now before anyone disagrees, here me out. The FX can overclock to pretty much the same performance as the 965 BE can and at stock, they're still extremely close, but the 965 is a 125W part and the FX-4100 is a 95W part. I could pull up real-world power consumption comparisons if requested to verify, but IIRC, they also show the FX-4100 using less power while delivering similar performance.

The 4100 may have a performance per clock disadvantage, but the FX-4100 also has a slightly higher clock frequency and a pretty good Turbo feature. It's indistinguishably close in performance at stock and also when overclocked. However, I reiterate my recommendation for spending a little more to get an FX-4300.
October 29, 2012 3:48:29 PM

blazorthon said:
Don't bother with an FX-4170... The FX-4300 is faster and consumes much less power than the 4170. As for Phenom II x4 965 BE versus FX-4100, well, if you can't simply step up to an FX-4300, then I'd recommend the FX-4100 over the Phenom II x4 965 BE. Now before anyone disagrees, here me out. The FX can overclock to pretty much the same performance as the 965 BE can and at stock, they're still extremely close, but the 965 is a 125W part and the FX-4100 is a 95W part. I could pull up real-world power consumption comparisons if requested to verify, but IIRC, they also show the FX-4100 using less power while delivering similar performance.

This is true also I didn't know if the OP was trying to stay within a certain price point. Haven't seen any benchmarks or user reviews for the 4300 but given the reviews for the 8350 the 4300 should much better then the previous 41xx chips.
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October 29, 2012 3:54:17 PM

965 beats the 4100 hands down, thats what pushed me towards a 965 than a 4100

I reckon the 4300 will be better than the 965 though.
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October 29, 2012 4:22:52 PM

I have to disagree. The Phenom II x4 965 BE is only a few percent faster in gaming than the FX-4100.
October 29, 2012 5:17:20 PM

blazorthon said:
I have to disagree. The Phenom II x4 965 BE is only a few percent faster in gaming than the FX-4100.


I agree. The two are very close. However, I would say the FX-4100 OC's slightly better than the Phenom II X4 965. So then the question becomes do you have a good CPU heatsink and good airflow in your case?

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October 29, 2012 5:50:46 PM
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To the OP, if you have not come to a consensus then allow me to give you addition information. You can surpass the performance of the Phenom 965 and beat it if you were to do the benchmarks I linked to you if you were to overclock it. The phenom 965 and the phenom II line has already ceased production and now all they are selling is left overs. If future support is what you crave then go for the FX-4100 but technically at stock clocks the phenom wins, its the other way around if you do get a good overclock on the FX-4100. Also you should listen to Augray37's advice, before you start overclocking get a good cpu cooler and orient the fans to create a good airflow, typically I like positive pressure in the case. 2 intakes and 1 exhaust is good airflow if the intakes are in the front and the exhaust is higher(elevation wise, hot air rises) and in the rear part of the case or the top.

- Socialfox :) 
October 30, 2012 1:53:56 AM

Thank you all for the help and your thoughts on these two CPUs. Now the FX-4300 does look promising compared to the AMD Phenom 965 and for only $30 more. I'll look into both a bit further and make a final decision.

As for the CPU Cooler, I plan on getting a COOLER MASTER Hyper 212 Plus (hopefully it will fit fine in my case lol) and probably use Arctic Silver 5 for the Thermal Compound. As of right now I have 1 intake and 1 exhaust, with 1 80mm side fan. The computer case I have is a LOGISYS Computer Area 51 (old I know, but I still may try and use it for this new build).

Alright I see what you're saying, Socialfox, about having the CPU Cooler be an intake fan as well as the front intake fan. But because my only exhaust fan is going to be below the CPU fan (bottom rear of case) I'm thinking that my 600W PSU will be the only thing that will help with exhaust since it's up in the top left corner of my case and like you said "hot air rises." So will that be enough to get a decent amount of the hot air out of my case quickly or should I rethink about getting a new case?
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October 30, 2012 8:21:21 AM

Actually its best if you exhaust the air from your hyper 212 and send it to the exhaust fan. Also your computer case will fit the hyper 212 without any issues since your case is 9.8 inches wide. I was talking about the case fans, its usually best to exhaust your CPU fans out the case.
October 31, 2012 7:48:39 AM

Oh okay, I'll definitely have to set it up like that. I appreciate all your help! :) 
October 31, 2012 8:30:21 AM

Also, I forgot to ask. Do you think my OCZ ModXStream Pro 600W PSU will have plenty of watts to use the new CPU and Motherboard I'm getting with no worry? And also would that be enough wattage to overclock to 3.8GHz or a bit higher? It's the first time I plan on overclocking so figured I'd ask that as well.
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October 31, 2012 9:34:33 AM

Of course friend, 600 watts is enough for a 125 watt cpu, a single video card and many fans and peripherals. It may even be enough for crossfiring. If you only use a single video card then my answer is absolutely yes, but it wouldn't hurt to list the rest of your build so I can calculate the exact wattage your computer uses.
November 1, 2012 7:45:40 AM

Okay great to hear! Besides the MoBo and CPU; my GPU is GTX 550 Ti, I'm also getting CORSAIR Vengeance 8GB RAM, a side 80mm fan, rear 80mm Cool Master fan, front 90mm Cougar fan, 250gb hard drive (not sure of the name), an LG HDD, and a Logitech mouse and Compaq keyboard. Not sure what else I should list and hopefully I gave enough info on how my whole build is shaping up to be like as of now.
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November 1, 2012 8:07:54 AM

i have a phemon x 4 840 i was going to upgrade to a fx 4320 but the phemon are just great for gaming
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November 1, 2012 9:55:32 AM

Hi there, calculated your wattage and for the phenom build you use a total of 433 watts at full load with 10% capacitor aging meaning its fairly new (power supply). With the FX-4300 just subtract 30 watts from the other power supply calculation. So that should be around 403 watts.
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November 1, 2012 9:58:41 AM

do u guys think it would be an upgrade form my phemon
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November 1, 2012 9:58:59 AM

skitz9417 said:
do u guys think it would be an upgrade form my phemon


What CPU are you referring to when you want to upgrade? Are you upgrading to the Phenom II X4 965? Or the FX-4300?
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November 1, 2012 10:01:04 AM

right now i have a pehmon x4 840 @3.6ghz
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November 1, 2012 10:04:42 AM

OP if you are buying all those fans buy an extra 120mm fan too and put it on the 212 EVO for a push/pull setup it garners a bit extra cooling for any overclock
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November 1, 2012 10:05:05 AM

Well the X4 965 would be a good upgrade, the 965 has L3 cache (yours does not) that can cause systems to hang/lag. In addition, the 965 BE can be easily overclocked while yours cannot. Simple answer, phenom 965 is a worthwhile upgrade, expect a good performance upgrade.
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November 1, 2012 10:08:02 AM

if i could find one but i dont think so though or would be better to go to intel
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November 1, 2012 10:17:58 AM

If you plan on gaming Intel is the way to go. Though the only problem is that if you buy an Intel CPU your going to spend money on a new motherboard. Is the i5 2500k compatible with your budget? i5 2500k is like a quantum leap (hyperbole) from your CPU.
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November 1, 2012 10:33:04 AM

skitz9417 said:
i was going for this cpu http://www.netplus.com.au/product/CPINPDI5-3570/Intel_C...


That is a good CPU, you should go for that since it is a bit better than the 2500. Also buy the one you linked if you do not plan on overclocking, the k at the end means it just has an unlocked multiplier for overclocking. If you do want to overclock it is only 10 more dollars to upgrade to the 3570k version on newegg, it comes with better integrated graphics and an unlocked multiplier.

- Socialfox :) 
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November 1, 2012 10:37:31 AM

well im not going to overclock and im just wondering would a i3 cpu be ok with a hd 7850
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November 1, 2012 10:38:52 AM

skitz9417 said:
well im not going to overclock and im just wondering would a i3 cpu be ok with a hd 7850


The i3 is also better than the phenoms and are quite good at gaming. Anyways I think you should just send me a private message instead of using another person's thread, I feel guilty :p 
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November 1, 2012 10:39:24 AM

ok
November 1, 2012 5:15:50 PM

Haha it's fine answering other people's questions on my thread!
And thank you so much for finding my total watts I'll be using. Now that we know I'll be sitting at 433 watts, would that give me plenty of room to overclock as well? Maybe even to 4.0GHz or higher with no worry?

Also, as of today, I'm wondering if I should hold off on buying Phenom x4 965 BE and go for the AMD FX-4300 Vishera instead. Or wait and see how the AMD FX-4320/4350 might be like when released. What do you think?
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November 1, 2012 6:02:56 PM

Desttt said:
Haha it's fine answering other people's questions on my thread!
And thank you so much for finding my total watts I'll be using. Now that we know I'll be sitting at 433 watts, would that give me plenty of room to overclock as well? Maybe even to 4.0GHz or higher with no worry?

Also, as of today, I'm wondering if I should hold off on buying Phenom x4 965 BE and go for the AMD FX-4300 Vishera instead. Or wait and see how the AMD FX-4320/4350 might be like when released. What do you think?


With a 500-550 watt power supply you will not have any trouble with overclocking to 4.0 ghz. I myself would say go for the FX-4300 or you should wait for the FX 4320 but be prepared for it to cost more.
November 2, 2012 5:51:25 AM

Alright I suppose I'll hold off on buying any CPU for now, maybe waiting another month would prove to be a better choice, no hurry haha. As I mentioned before this will be my first time overclocking. So do you have any thoughts on it and the whole process and everything? Any good sites to check out? Any info I should know about/look into to make sure it all goes okay?
November 2, 2012 5:53:04 AM

Yeah thanks for letting me know. That's definitely something I'll plan on doing!
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November 2, 2012 7:52:11 AM

Hi there you should read this on Overclocking:
http://www.tomshardware.com/forum/261868-29-overclockin...

In addition, I will tell you overclock in the bios only try not to use software and be careful when raising the Vcore. Raise it in really small increments and run prime95 shortly after.
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November 2, 2012 1:36:34 PM

Fx-4300 is really nice. It outperforms the i3 3220 at gaming and once overclocked the gap becomes even wider. So get the Fx4300 is you can and it will be a good upgrade
November 3, 2012 7:09:00 AM

Awesome! I'll look into it more and keep in mind what you mentioned. Again, thank you for all your help with the CPUs, wattage, and everything...made this whole process that much easier.
November 5, 2012 5:46:38 PM

Best answer selected by Desttt.
!