Ryzen 9 3900 (non X)

[pc-guy]

Anyone got any experiences with these (3900 non X parts)? Looks like OEM parts only. But it is £100 cheaper than 3900x (about the same price as a 3800x) on an OEM site I found.

just curious to see if anyone had one of those pre-built and how the CPU faired in terms of boosts and voltages.

thanks

 

[Rup]

Think they have no cooler, else the same.

 

[pc-guy]

3900 is OEM so no cooler. You can’t buy them retail. They only come in CPU and board bundle or prebuilt PCs

3900 and 3900x have same base clock but the boost is different. 4.3GHz vs 4.6GHz. TDP is 65vs105.

but obviously everything can be overridden in manual overclock. Just wondering if anyone got any feedback on that. £100 is a fair bit of dosh.

There s an article that nandtech has got the 3900 clicked to 5.4/5.5Ghz under liquid nitro. And only 100MHz behind the 3900x but no details on volts, IF, ram speed etc. So can’t tell if the non-x is actually performance crippling.

 

[EsaT]

Would expext those OEM parts to be worser bin.
Also lower TDP is certain to hurt boost clocks under multicore load.

 

[pc-guy]

Would expext those OEM parts to be worser bin.
Also lower TDP is certain to hurt boost clocks under multicore load.

Not according to Tom’s hardware.
https://www.tomshardware.com/uk/reviews/amd-ryzen-9-3900-review-eco-mode

Although some of their test results don’t tally up but direct comparison between 3900x and 3900 is interesting.

@£320 this is the same amount of £/core as 3600. Boosts higher as well more cache etc etc.

currently a bundle deal of 3900 with B450 tomahawk can be had for £440

or ASUS ROG B550 Strix for £520

 

[PhoenixUK]

I got one with the cheapest x470 board they had (£110) - MSI x470 gaming pro (with the hyperx cooler for £20 which I sold for £30, and they still added the wraith one on top)

out of the box auto settings boosts to 4.35-4.45 single , 4.3 all core.

Managed to set it to all core overclock 4.3ghz stable at 1.37v.

Happy, saved myself £80 on CPU and £100 on motherboard. Running it with 3200mhz 8pack @3600mhz as well and getting 7267 r20 multi and 500 single core. Think that's decent.

They do run hot though, but I guess so does the 3900x.

EDIT: PS. I moved from 3600x which used to boost to 4.4ghz all core - needed extra cores as I do more media workload now, I'd say if you just game get 3600, if you're going to use the cores than 3900 is perfect.

 

[Journey]

I've only had a few on the non-X parts though my hands thus far, but they certainly aren't inferior in anyway to the 3900X when OC'd if anything I've found them to allow lower voltages at the same clock speeds. The fact they are a 65w part means they need to be decent silcon, but with the 3900X at around the £360-70 mark you are only saving a small amount if you intended to use the cooler, or sell on the AC:V game code.

 

[PhoenixUK]

I've only had a few on the non-X parts though my hands thus far, but they certainly aren't inferior in anyway to the 3900X when OC'd if anything I've found them to allow lower voltages at the same clock speeds. The fact they are a 65w part means they need to be decent silcon, but with the 3900X at around the £360-70 mark you are only saving a small amount if you intended to use the cooler, or sell on the AC:V game code.

Yeh well, I was waiting for them to come down but when I bought it last week the cheapest was still £420 and I've been waiting for a month already .

3900x is definitely a good deal at £360 plus game though. Otherwise there is little or no performance difference it seems and £70-100 saving can get you a better GPU etc - I've spent my savings on 2TB NVME.