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Ryzen 1800x + PRIME95

 
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post #1 of 3 (permalink) Old 05-06-2019, 11:40 AM - Thread Starter
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Ryzen 1800x + PRIME95

Well, heres the thing. My 1800x runs at 4.0ghz oc'd at 1.4v. It pass OCCT, AIDA64 and IBT, no problem. But when trying PRIME95 (latest version, released today), i get an error on small ftts...i bumped up the voltage to 1.425v, and still having issues. I've been running this CPU at these settings for a month, no issues whatsoever, but when i try prime, things dont look stable. One core gives me error. Should i bump the voltage? Is prime small fft linked to RAM anyhow? Does it have any bug related to Ryzen? In prime my CPU reaches 82c, using 1.425 LLC5.

Thx for any help!

CPU: AMD Ryzen 1800x @ 4,000 GHZ CPU COOLER: Aerocool P7-l240
MOBO: Asus Crosshair VI Extreme
GPU: Asus Strix GTX 1080ti @ 2050MHZ
RAM: GSkill TridentZ RGB @3200 CL16
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post #2 of 3 (permalink) Old 05-15-2019, 04:30 PM
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Well, there's 3 things you can try. More voltage, or cool it better, or reduce frequency. If it ain't stable, it ain't stable. There aren't any ryzen-specific bugs known for p95 v29.8 b3

Intel Core i9-9900k (Silicon Lottery 5.1GHz @ 5.3GHz 1.36 VCore)
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G.SKILL F4-4000C19D-32GTZSW (2x16GiB 4000MHz 19-19-19-39 2T, tuned to 4133MHz 14-17-17-31 2T)
EVGA NVIDIA GeForce GTX 1080 Ti FTW3
Seasonic PRIME 1300W 80+ Platinum
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post #3 of 3 (permalink) Old 05-15-2019, 04:51 PM
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Put you ram to 2933 and bump Ram Voltage a little bit and try it out.Could be just CPU not stable at 4.0Ghhz. Then try 3.9Ghz
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