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Why 3800X? They are binned... I think

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post #31 of 132 (permalink) Old 08-04-2019, 03:41 AM
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I'm actually curious about 3700X vs 3800X performance in just gaming, the 3800x is $100-$150 more in my country so I'd need a good % gap to justify it.

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post #32 of 132 (permalink) Old 08-04-2019, 06:50 AM
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Add another to the sample size- 4.6ghz allcore @ 1.42v using Ryzen Master (it will do multicore at 1.4v, but single thread drops clocks to 4.5 unless we are set to 1.42v) 3333mhz c14 2x8gb kit

PBO does absolutely nothing at all, have actually seen clock regression on auto between release BIOS and the latest.
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post #33 of 132 (permalink) Old 08-04-2019, 06:53 AM
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Quote: Originally Posted by BUFUMAN View Post
Is horizon 4 stable? Sometimes the game just crash to desktop with a 1700x @3.8ghz.

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It's pretty good at finding instability, once loaded into the world it would lock up then crash anywhere from within seconds to a few mins for me. Dropping OC just 50MHz and crashes are gone (for even several hours), put 50MHz back and crashes return instantly.

= Ryzen 7 3700X 4.3GHz @ 1.3v / Thermalright TS140 BW / Prime X470-Pro / 16GB Crucial BSLT 3733 MT/s cl16 / 1080Ti Amp Extreme 2GHz @ 0.987v / Aerocool Project7 P650 / Fractal Define XL =
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post #34 of 132 (permalink) Old 08-04-2019, 09:02 AM
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Just ordered a 3800x for my new build only 40 euro dif to the 3700x ill post results here after i finish my build next week.

ROG CROSSHAIR VIII HERO
AMD R7 3800X
GSKILL DDR 3200CL14 RGB
Corsair RM650i
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post #35 of 132 (permalink) Old 08-04-2019, 09:37 AM
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Just sharing another Cinebench R20 Result.

Managed to get:
4450Mhz core @ 4066Mhz MEM working with ~1.415V [LLC]-[EXTREME]
4400Mhz core @ 4066Mhz MEM required only ~1.375V [LLC]-[TURBO]

4450Mhz 4066Mhz MEM 5325points | 519points

I see others with 3800X posting better results, reaching much better speeds at the voltages I can stabilize. I have 'midrange' or a 'dud' 3800X from looking at the better results shared about online.

Gigabyte X570 AORUS XTREME, Ryzen 7 3800X 4.45Ghz, 4266/1900 MEM/FCLK, 16.26.19.45.76.tRFC 650 1T 1.600V
4x8Gb Kingston HX434C19FB2K2/16 3466C19 1.2V (Micron E-die 16nm)
OLD: Biostar x470GT8 Ryzen 7 1700 @ ~4.0Ghz CPU, 3200Mhz RAM ...
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post #36 of 132 (permalink) Old 08-04-2019, 09:39 AM
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Quote: Originally Posted by almstsobur View Post
That being said, I did have crashes to desktop from Horizon when my CPU was dialed in and I was working on memory. If your memory is OC'ed, I'd up the voltage a bit, or dial it down a bit and see if it stops. In my case my timings were just a bit too tight. I have no experience with the first gen though, just 2600x 3800x
Thx will try out

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post #37 of 132 (permalink) Old 08-04-2019, 09:49 AM
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Quote: Originally Posted by usoldier View Post
Just ordered a 3800x for my new build only 40 euro dif to the 3700x ill post results here after i finish my build next week.
Nice good luck with the Silicon.

Little bit of topic @all who are playing World of warships with the new Ryzen CPU.

I would buy one in November after the typical paying-beta-usertest-phase should be over

I play @2.5k with @144hz and i need good power for maxed out settings.
Atm the power of my ryzen 1700x is just a little bit over my intel i7 [email protected] fps range 70 -150fps

I need to be sure to have min fps around 110-120fps. Otherwise it's not worth it for me.

I play with a Zotac gtx 1080 amo extreme.

Thanks.

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post #38 of 132 (permalink) Old 08-04-2019, 11:41 AM
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Quote: Originally Posted by almstsobur View Post
Depends what you are doing with the chip, for heavy multi-thread workloads, production software, obviously it would be worth it. From a pure overclocking or gaming perspective, I would say no.

My personal issues with the 3900 are as follows:

Harder to keep cool, we see already how the scaling is directly effected by temperature.
The surface area to cooler gets saturated even with the best of water-blocks, that is a lot of cores in a small package, it's not Threadripper size.
The chip very likely already has some weak silicon, or those chips would be in the 3950 bin. Granted the weak ones are disabled, but it makes me assume less headroom above and beyond.
Uses a pretty fair amount more power in every respect, VRM, motherboard, CPU, for no net gain for my use case.
A little bit of an unknown factor regarding latency and proper software instructions for using 2 CCD's


The one nice gain is the doubling of the cache, but again in "normal" use I am not sure how much a gain that is, considering AMD didn't seem to skimp on the cache with any of the 3000 series. The net effect may turn out to be zero, because the cache is the same per CCD. Don't get me wrong, if you have a use case for the 3900, spend the extra. I just don't, 16 threads as fast as I can get them is my ideal scenario and I thought the 3800 is the best candidate.
That was exactly what I was thinking, especially considering I want a B450 or x470 ITX board (so as to not have the fan on the motherboard). Then Steve's video states 3800x is a "waste of money" comperaed to the 3700x and when he reviewed the 3700x he said just get 3600 LOL


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post #39 of 132 (permalink) Old 08-04-2019, 11:47 AM
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Steve's conclusions seem very "best right now" weighted which is a metric some will value more than others, in this regard the price/perf of the 6 core parts cannot be touched. I guess it depends on how long you intend to keep the upgrade for, in which case the 8 core should outlast the 6 cores whilst also retaining higher market value.

= Ryzen 7 3700X 4.3GHz @ 1.3v / Thermalright TS140 BW / Prime X470-Pro / 16GB Crucial BSLT 3733 MT/s cl16 / 1080Ti Amp Extreme 2GHz @ 0.987v / Aerocool Project7 P650 / Fractal Define XL =
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post #40 of 132 (permalink) Old 08-06-2019, 09:11 AM
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I think the 3700X is the one to go for.

I would like to buy a 16Core or 12Core but the temperature would be hard to control with Aircooling. And the actual bios read out could be buggy to. You don't know what's right....

I don't use water, and i don't think i ever will.



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