AMD FX 4320 vs 6300 - thoughts? [Self-Crosspost from SPUF]

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Wheezald Locka 31 aug, 2016 @ 4:24

We've been having quite a lot of fun with the reviled good ol' FX4100 for a pretty long while now, and it seems it's time to part ways.

I'd love to hear from fellow SPUD dwellers on the aforementioned dychotomy - yes, it is exactly that.

I have been researching fairly heavily and ended up with this kind of a choice.

I won't be switching to a different socket for now. It needs to be AM3+, my wallet says so.

As for the contenders, both made of Piledriver(TM) architecture, both sport a 95W TDP (which is a relevant factor to me); after that, differences occur.

4320 has two modules/four logical cores, with a lovely round 4GHz per core.
6300 remains at the somewhat more modest 3,5GHz clock, with 3 modules/6 cores.

4320 has a 4MB Level 3 memory cache, while 6300 has 8. This one difference leaves 4320 at a disadvantage where memory/core is concerned.

4320 has faster cores.
4320 is cheaper.
6300 is an ugly number.
6300 has moar cores.
6300 has moar memory.
6300 isn't THAT much more expensive.

See the dilemma here?

Please discuss.

I'll appreciate all insights* :D

* And ignore all Intel shills ;)

Senast ändrad av Wheezald Locka; 31 aug, 2016 @ 4:24

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Visar 1-15 av 26 kommentarer

Bad 💀 Motha 31 aug, 2016 @ 4:26

What Motherboard do you have?

Wheezald Locka 31 aug, 2016 @ 4:28

Ursprungligen skrivet av Bad-Motha:
What Motherboard do you have?

MSi 970A-G43

Bad 💀 Motha 31 aug, 2016 @ 4:35

Firstly, update to latest BIOS before any CPU changes.

Get a FX-8300 with a decent CPU Cooler
https://us.msi.com/Motherboard/970A-G43.html
https://us.msi.com/file/test_report/TR19_2743.pdf

Senast ändrad av Bad 💀 Motha; 31 aug, 2016 @ 4:36

SundownKid 31 aug, 2016 @ 4:43

Save up more money for an i3 and B150 mobo. An FX 8300 would be $110, i3 combo would be $175, might as well get a CPU that wont bottleneck your games for not much more.

𝕙.𝕓𝕒𝕣𝕜𝕒𝕤 31 aug, 2016 @ 4:55

500 Mhz more clock frequency doesn't outweigh 2 more cores and twice the L3 cache will
help to reduce the advantage that FX 4320 has in clockspeed.
If you can afford a 6300 I would buy this CPU. I had a Phenom II 965 BE in my gaming rig
and your 6300 would perform better than my Phenom.
From what I see the 6300 is a good overclocker and can reach 4.8 GHz watercooled.

vadim 31 aug, 2016 @ 5:32

Ursprungligen skrivet av Wheezald Locka:
4320 has a 4MB Level 3 memory cache, while 6300 has 8. This one difference leaves 4320 at a disadvantage where memory/core is concerned.

Forget about LLC size. Piledriver cache architecture is flawed - L2 cache size is too large. Therefore, the cache had to make exclusive and L3 latency is so great that make it practically useless. In Zen this flaw fixed while in so-called APUs L3 cache have been simply removed without significant affecting the memory subsystem performance.

Bad 💀 Motha 31 aug, 2016 @ 5:48

Ursprungligen skrivet av SundownKid:
Save up more money for an i3 and B150 mobo. An FX 8300 would be $110, i3 combo would be $175, might as well get a CPU that wont bottleneck your games for not much more.

i3-6100 is $110

But yes, better to just save up for that...
- i3-6100 CPU
- B150M Motherboard
- 2x4GB DDR4-2133
- clean install of Win10 64bit

Senast ändrad av Bad 💀 Motha; 31 aug, 2016 @ 5:49

Wheezald Locka 31 aug, 2016 @ 6:47

Ursprungligen skrivet av SundownKid:
Save up more money for an i3 and B150 mobo. An FX 8300 would be $110, i3 combo would be $175, might as well get a CPU that wont bottleneck your games for not much more.

Not going to happen, but thanks anyway. My country doesn't think in USD, and nor do I. ;)

Wheezald Locka 31 aug, 2016 @ 6:48

Ursprungligen skrivet av vadim:
Ursprungligen skrivet av Wheezald Locka:
4320 has a 4MB Level 3 memory cache, while 6300 has 8. This one difference leaves 4320 at a disadvantage where memory/core is concerned.
Forget about LLC size. Piledriver cache architecture is flawed - L2 cache size is too large. Therefore, the cache had to make exclusive and L3 latency is so great that make it practically useless. In Zen this flaw fixed while in so-called APUs L3 cache have been simply removed without significant affecting the memory subsystem performance.

Gotcha. Thanks for the heads-up.

Wheezald Locka 31 aug, 2016 @ 6:54

Ursprungligen skrivet av h.barkas:
500 Mhz more clock frequency doesn't outweigh 2 more cores and twice the L3 cache will
help to reduce the advantage that FX 4320 has in clockspeed.
If you can afford a 6300 I would buy this CPU. I had a Phenom II 965 BE in my gaming rig
and your 6300 would perform better than my Phenom.
From what I see the 6300 is a good overclocker and can reach 4.8 GHz watercooled.

Depends on the tasks, I suppose. Games are the biggest stresser to my rig, and so far these haven't been really using cores too much, just allocated their instructions in one that the OS wasn't using.

But, yeah, originally I was going at the 4320 straight up, until I read up more on 6300. That put a wrench in the works for the reasons you mentioned.

OC isn't really my thing. Besides, watercooling won't do. I'm sticking to my fans. Maybe I'll consider it when I'm making a new build from scratch, sometime in the distant future. :3

Thanks for the reply.

#10

Bad 💀 Motha 31 aug, 2016 @ 6:57

1080p gaming will struggle on any FX-4 series CPU; as it's no better then Athlon X2 series.

The lower clock of say FX-6300 is not much, and would definately be much better overall.

#11

Wheezald Locka 31 aug, 2016 @ 6:57

Ursprungligen skrivet av Bad-Motha:
Firstly, update to latest BIOS before any CPU changes.

Get a FX-8300 with a decent CPU Cooler
https://us.msi.com/Motherboard/970A-G43.html
https://us.msi.com/file/test_report/TR19_2743.pdf

Thanks, but not getting the 8300.

My current cooler is decent enough, will just have to clean it up... again... ;P

#12

Wheezald Locka 31 aug, 2016 @ 6:59

Ursprungligen skrivet av Bad-Motha:
1080p gaming will struggle on any FX-4 series CPU; as it's no better then Athlon X2 series.

The lower clock of say FX-6300 is not much, and would definately be much better overall.

Unsure. 4100 along with the MSi R9 270x Hawk handles Witcher 3 in 1080p very pleasantly in high ^_^

Regarding the latter point, yes, been flirting with that same thought.

#13

Evi_Arts 31 aug, 2016 @ 7:57

http://cpu.userbenchmark.com/Compare/AMD-FX-6300-vs-AMD-FX-4300/1555vs2879

Between the two I'd certainly go with the fx 6300. The single core performance doesn't really improve with FX cpus very much especially at such small frequency differences due to the flawed 2 core 1 fpu module design of Piledriver. The 3 FPUs in the fx 6300 vs 2 for the fx4320 is actually the biggest advantage it has and are absolutely worth more then whatever miniscule difference exists in single core.

#14