AMD launches FX-4350 and FX-6350 CPUs

AMD FX microprocessors, based on "Vishera" core, were available since last October. "Vishera" CPUs use the latest "Piledriver" architecture, and come with 2, 3 or 4 modules, which corresponds to 4, 6 or 8 cores. The chips also have up to 16 MB total cache, and support the latest instructions, including AVX and FMA3. So far AMD had 4 different retail models, and 2 other SKUs were shipped in computers only. Yesterday AMD refreshed FX family with two new products, FX-4350 and FX-6350.

AMD FX-4350 is a quad-core processor with 8 MB of level 3 cache. The CPU is clocked at 4.2 GHz, and has maximum boost frequency of 4.3 GHz. Compared to previously launched FX-4300 part, the FX-4350 increased base and Turbo Core frequencies by 400 and 300 MHz respectively, and also has twice larger L3 cache. The FX-4350 is a 125 Watt model, therefore it is less energy efficient than the FX-4300. The processor is priced at $122.

The FX-6350 has 6 CPU cores, clocked at 3.9 GHz, and up to 4.2 GHz when half of the cores are idle. Like the 4350, this microprocessor has 8 MB L3 cache and 125 Watt rating, so in essence it is faster and more power hungry version of its predecessor. Official price of the FX-6350 is $132. As a note, prior to this announcement, the FX-6350 was shipped for a few months in some HP desktop PCs, and now it will be available as a boxed processor.

Both CPUs fit into socket AM3+. The summary of their specifications is provided below:

ModelCoresFrequencyTurbo FrequencyL3 cacheTDPPrice
FX-4300 4 3.8 GHz 4 GHz 4 MB 95 Watt $122
FX-4350 4 4.2 GHz 4.3 GHz 8 MB 125 Watt $122
FX-6300 6 3.5 GHz 4.1 GHz 8 MB 95 Watt $132
FX-6350 6 3.9 GHz 4.2 GHz 8 MB 125 Watt $132

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There are 5 comments posted


2013-04-30 11:52:27
Posted by: Robert

Does the FX-4350 Really have +4MB of cache over FX-4300 or is that a typo?


2013-04-30 12:03:41
Posted by: gshv

It will indeed have 8 MB L3 cache.


2013-04-30 12:08:55
Posted by: Hakob

It isn't a typo, FX-4350 is a more premium product as it has very high clocks and TDP, and probably intended for overclockers. FX-4300 though is very cheap and half of it's LV3 cache is disabled along with the 2 modules near that half of cache to reduce power consumption and increase yields. FX-4350 only has 2 piledriver modules (4 cores) disabled.


2013-05-01 01:57:35
Posted by: Ron

if it has 2 modules disabled does that mean that certain motherboards will be able to unlock them to an 8320/50? like the 3 core athlons unlocking to phenom II x4's


2013-05-01 10:27:34
Posted by: Corey

If they did, it would be an epic fact I might buy one if that's true. However, I remember reading somewhere that AMD locked it down so that it wouldn't be a selling feature anymore. But where there is a will, there is a way. With a feature like that, motherboard manufacturers will definitely see value in finding a way to unlock this module. I will have to look at the chip structure to really see if it's possible. I know in Phenom II and Athlon II's it was simply a disabled core, with the piledriver's I feel like it is a bit more complex. :(

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