OFFICIAL 3900X and 3900XT Overclocking thread - Overclock.net - An Overclocking Community

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OFFICIAL 3900X and 3900XT Overclocking thread

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post #1 of 86 (permalink) Old 06-21-2020, 07:43 AM - Thread Starter
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OFFICIAL 3900X and 3900XT Overclocking thread

I've searched and couldn't find a thread for 3900x owners to post JUST 3900x results. There is a one for 3950X and since 3900X is more popular why not to have a one too. So, here I start this thread and will post my results. Please, all users of 3900x's and future binned version - 3900XT post up your screens of OC's, cooler that you have used to do that and a batch number if you know(it is placed on ryzen's IHS).

So here's mine:
Cooler: Noctua D15, up to 75 *C in blender rendering in well ventilated case with many fans.
Batch: 2003 SUT
Voltage: 1.281V on LL3 dropping to 1.25V(SVI2 TFN) under full avx load
Infnity fabric max stable frequency: 1866MHz

CCX OC in bios:
CCX1 - 4450MHz
CCX2 - 4450MHz
CCX3 - 4250MHz
CCX4 - 4250MHz

aida ram latency 66.2 ns

Regarding batch number:
UA 2003 SUT
UA [YY][WW] [1][2][3]

YY -> Year
WW -> Week

1 -> ATMP Location ([P]enang, Malaysia or [S]uzhou, China)
2 -> Last letters of ATMP location.
3 -> Wafer Production ([S]aratoga or [T]exas)

Those from 2010 batch and newer tend to overclock better and on lower voltages since manufacturing proces matured from their debut.
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AMD Ryzen 9 3900X @ CCX OC | Crosshair VII Hero, bios: 3103 | 2x16GB Crucial Ballistix Sport LT 3200CL16 Micron E-die @ 3733MHz 16-19-16-16-32-56 trfc 545 | RX 5700 XT @ 2038MHz on 1056mV with 15Gbps gddr6 | Samsung 970 Pro | Noctua D15 | XPG Core Reactor 750W
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post #2 of 86 (permalink) Old 06-21-2020, 11:22 AM
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what are you using to overclock individual CCXs
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post #3 of 86 (permalink) Old 06-21-2020, 11:49 AM
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5.3GHz across all cores stable @ 1.325v full load @ LLC6 1.415 set in bios, 32GB 4x8 Bdie @ 4133 CL17 ......on lots of water cooling...

oops, wrong thread
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**Intel System** Asus Z390E Strix / 8700k @ 4.85Ghz / 32GB BDie @ 3200 CL14 / PowerColor 5700XT / eVGA 850w PSU / Sammy 960 EVO m.2 / MX500 250gb games SSD / 49" Samsung UltraWide 144Hz

**Games Only** Asus Maximus Formula XII / i9 10900k @ 5.3GHz / 32gb 4x8GB Patriot Viper DDR4 4400 @ 4133 / 2080Ti / Everything watercooled using Dual Loops and many 420mm rads


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post #4 of 86 (permalink) Old 06-21-2020, 03:02 PM
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Quote: Originally Posted by Pietro View Post
I've searched and couldn't find a thread for 3900x owners to post JUST 3900x results. There is a one for 3950X and since 3900X is more popular why not to have a one too. So, here I start this thread and will post my results. Please, all users of 3900x's and future binned version - 3900XT post up your screens of OC's, cooler that you have used to do that and a batch number if you know(it is placed on ryzen's IHS).

So here's mine:
Cooler: Noctua D15, up to 75 *C in blender rendering in well ventilated case with many fans.
Batch: 2003 SUT
Voltage: 1.281V on LL3 dropping to 1.25V(SVI2 TFN) under full avx load
Infnity fabric max stable frequency: 1866MHz

CCX OC in bios:
CCX1 - 4450MHz
CCX2 - 4450MHz
CCX3 - 4250MHz
CCX4 - 4250MHz

aida ram latency 66.2 ns

Regarding batch number:
UA 2003 SUT
UA [YY][WW] [1][2][3]

YY -> Year
WW -> Week

1 -> ATMP Location ([P]enang, Malaysia or [S]uzhou, China)
2 -> Last letters of ATMP location.
3 -> Wafer Production ([S]aratoga or [T]exas)

Those from 2010 batch and newer tend to overclock better and on lower voltages since manufacturing proces matured from their debut.
What is the FIT voltage of your chip?
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post #5 of 86 (permalink) Old 06-21-2020, 03:08 PM - Thread Starter
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Quote: Originally Posted by poah View Post
what are you using to overclock individual CCXs
Crosshair Hero VII in last two beta bioses received CCX OC option in bios and I'm using that.

AMD Ryzen 9 3900X @ CCX OC | Crosshair VII Hero, bios: 3103 | 2x16GB Crucial Ballistix Sport LT 3200CL16 Micron E-die @ 3733MHz 16-19-16-16-32-56 trfc 545 | RX 5700 XT @ 2038MHz on 1056mV with 15Gbps gddr6 | Samsung 970 Pro | Noctua D15 | XPG Core Reactor 750W
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post #6 of 86 (permalink) Old 06-21-2020, 03:46 PM
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Quote: Originally Posted by newls1 View Post
5.3GHz across all cores stable @ 1.325v full load @ LLC6 1.415 set in bios, 32GB 4x8 Bdie @ 4133 CL17 ......on lots of water cooling...

oops, wrong thread
so a 20 thread intel at 5.3ghz still loses to a 3900x at 4.3ghz on 24 threads i would really thought the ground would been made up with the 1ghz more clock speed per core.

So here's mine:
Cooler: custom loop ek strike cpu block
Batch: not sure
Voltage: 1.25-1.30 depending on load under 65c in everything but prime95.
Infnity fabric max stable frequency: not sure 1800 was stable

cb20 muti = 7752
CCX OC in bios:
CCX1 - 4400MHz
CCX2 - 4400MHz
CCX3 - 4300MHz
CCX4 - 4300MHz


Midnight Madness
(17 items)
CPU
AMD RYZEN 9 3900X
Motherboard
ASUS AMD AM4 ROG Strix X570-E
GPU
EVGA GTX 1080 FTW Hydro Copper
RAM
G.SKILL TridentZ Series
Hard Drive
Samsung EVO 850 500
Power Supply
SeaSonic M12D SS-850 850W
Cooling
EK-SBAY Dual DDC 3.2 PWM Serial
Cooling
Alphacool NexXxoS ST30 Full Copper Radiator 360
Cooling
Hardware Labs Black Ice SR2 Multiport Black Carbon Radiator - 360mm
Cooling
EKWB EK-Velocity Strike CPU
Cooling
EK-CoolStream RAD XTC 420
Case
Thermaltake core x71
Operating System
Windows 10 Pro
Monitor
ASUS VW246H Black 24" 2ms
Keyboard
Rosewill NEON K75 V2 BR
Mouse
CM Storm Sentinel Advance II
Audio
Corsair Void
▲ hide details ▲



Last edited by Bal3Wolf; 06-21-2020 at 06:31 PM.
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post #7 of 86 (permalink) Old 06-21-2020, 06:20 PM
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Quote: Originally Posted by Bal3Wolf View Post
so a 20 thread intel at 5.3ghz still loses to a 3900x at 4.3ghz on 24 threads i would really thought the ground would been made up with the 1ghz more clock speed per core.
At least his room will stay warm in the winter.
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post #8 of 86 (permalink) Old 06-21-2020, 06:33 PM
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Quote: Originally Posted by Bal3Wolf View Post
so a 20 thread intel at 5.3ghz still loses to a 3900x at 4.3ghz on 24 threads i would really thought the ground would been made up with the 1ghz more clock speed per core.
strange
he's losing to my 3900x without overclock, without ram overclock, and without PBO enabled
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post #9 of 86 (permalink) Old 06-22-2020, 04:16 PM
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any one else tried the modded/beta bios for asus x570s 2203 i am able to run prime95 at same vcore that 1409 would insta bsod very promising bios so far or other boards running the new agesa aka ComboAM4v2.
https://www.hardwareluxx.de/communit...0.1228903/#2.7


Midnight Madness
(17 items)
CPU
AMD RYZEN 9 3900X
Motherboard
ASUS AMD AM4 ROG Strix X570-E
GPU
EVGA GTX 1080 FTW Hydro Copper
RAM
G.SKILL TridentZ Series
Hard Drive
Samsung EVO 850 500
Power Supply
SeaSonic M12D SS-850 850W
Cooling
EK-SBAY Dual DDC 3.2 PWM Serial
Cooling
Alphacool NexXxoS ST30 Full Copper Radiator 360
Cooling
Hardware Labs Black Ice SR2 Multiport Black Carbon Radiator - 360mm
Cooling
EKWB EK-Velocity Strike CPU
Cooling
EK-CoolStream RAD XTC 420
Case
Thermaltake core x71
Operating System
Windows 10 Pro
Monitor
ASUS VW246H Black 24" 2ms
Keyboard
Rosewill NEON K75 V2 BR
Mouse
CM Storm Sentinel Advance II
Audio
Corsair Void
▲ hide details ▲


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post #10 of 86 (permalink) Old 06-23-2020, 05:54 PM
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Hey guys im new to this I currently have the meg ACE MSI x570 board was wondering if you guys could help me get the hang of this overclocking.. any quick guides that can get me to 4.3 on a CCX? or am I mising something.. im used to this Intel stuff from sandybridge ivybridge days.. any tips would help or exact tips for that matter

-=]░▒▓███ [Official] NVIDIA GTX 780 Owner's Club ███▓▒░[=-
ASUS RAMPAGE RIVE EXTREME 3930K 4.5GHZ
16GB VENGEANCE
H110 water cooler.thumb.gifthumb.gifthumb.gifthumb.gif
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