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XMP and CPU overclock

Lmedicity
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Posted

Ok so the real question is....

 

Before I overclock my CPU, should i set my XMP profile for the RAM to 2400 (yes the ram i bought is set for that). 

Or

Should i find my CPU overclock sweet spot, and then set my XMP. 

 

I'm asking because I keep finding articles that say this or that. It's starting to bug me out. Obviously i would set the RAM to 2133 if i run into stability issues on the CPU, but other that that....

 

I'm just trying to figure out the correct way of doing it. 

Thanks for the help guys.





PS: pictures below are what I'm dealing with. I've got plenty of cooling (push pull water cooler).

Did a stress test (cinebench) and the hottest core (2) got up to 34C at the highest.

So I'm pretty sure I have plenty of headroom. Here are some pics

 

 

 

20160502_222347.jpg20160502_222355.jpg20160502_222724.jpg

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It was always suggested to me to find a stable CPU overclock and then boost the RAM.

[CPU: 4.7ghz I5 6600k] [MB: Asus Z170 Pro G] [RAM: G.Skill 2400 16GB(2x8)]

[GPU: MSI Twin Frozr GTX 970] [PSU: XFX Pro 850W] [Cooler: Hyper 212 Evo]
[Storage: 500GB WD HDD / 128GB SanDisk SSD ] [Case: DeepCool Tessaract]

[Keyboard: AZIO MGK1] [Mouse: Logitech G303] [Monitor: 2 x Acer 23" 1080p IPS]

 

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IMO a high stable CPU overclock outweighs the benefits of Ram overclock.
Find your CPU sweet spot then tweek Ram.

In my case I was able to move well past the XMP profile of my (can't recall if it is 2400 or 2600) Ram to 3333 at 1.35 volts.

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really????? man, everything i read is telling me to never go passed the spec... huh.... 

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Well the way I see it, they sell 3333 kits of DDR4 with an XMP profile that sets 1.35 volts. So me running my 2400 set OC'd to 3333 at 1.35 shouldn't bother anything but the RAM itself long term.

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I XMP first then I OC and stress test! :D

Lake-V-X6-10600 (Gaming PC)

R23 score MC: 9190pts | R23 score SC: 1302pts

R20 score MC: 3529cb | R20 score SC: 506cb

Spoiler

Case: Cooler Master HAF XB Evo Black / Case Fan(s) Front: Noctua NF-A14 ULN 140mm Premium Fans / Case Fan(s) Rear: Corsair Air Series AF120 Quiet Edition (red) / Case Fan(s) Side: Noctua NF-A6x25 FLX 60mm Premium Fan / Controller: Sony Dualshock 4 Wireless (DS4Windows) / Cooler: Cooler Master Hyper 212 Evo / CPU: Intel Core i5-10600, 6-cores, 12-threads, 4.4/4.8GHz, 13,5MB cache (Intel 14nm++ FinFET) / Display: ASUS 24" LED VN247H (67Hz OC) 1920x1080p / GPU: Gigabyte Radeon RX Vega 56 Gaming OC @1501MHz (Samsung 14nm FinFET) / Keyboard: Logitech Desktop K120 (Nordic) / Motherboard: ASUS PRIME B460 PLUS, Socket-LGA1200 / Mouse: Razer Abyssus 2014 / PCI-E: ASRock USB 3.1/A+C (PCI Express x4) / PSU: EVGA SuperNOVA G2, 850W / RAM A1, A2, B1 & B2: DDR4-2666MHz CL13-15-15-15-35-1T "Samsung 8Gbit C-Die" (4x8GB) / Operating System: Windows 10 Home / Sound: Zombee Z300 / Storage 1 & 2: Samsung 850 EVO 500GB SSD / Storage 3: Seagate® Barracuda 2TB HDD / Storage 4: Seagate® Desktop 2TB SSHD / Storage 5: Crucial P1 1000GB M.2 SSD/ Storage 6: Western Digital WD7500BPKX 2.5" HDD / Wi-fi: TP-Link TL-WN851N 11n Wireless Adapter (Qualcomm Atheros)

Zen-II-X6-3600+ (Gaming PC)

R23 score MC: 9893pts | R23 score SC: 1248pts @4.2GHz

R23 score MC: 10151pts | R23 score SC: 1287pts @4.3GHz

R20 score MC: 3688cb | R20 score SC: 489cb

Spoiler

Case: Medion Micro-ATX Case / Case Fan Front: SUNON MagLev PF70251VX-Q000-S99 70mm / Case Fan Rear: Fanner Tech(Shen Zhen)Co.,LTD. 80mm (Purple) / Controller: Sony Dualshock 4 Wireless (DS4Windows) / Cooler: AMD Near-silent 125w Thermal Solution / CPU: AMD Ryzen 5 3600, 6-cores, 12-threads, 4.2/4.2GHz, 35MB cache (T.S.M.C. 7nm FinFET) / Display: HP 24" L2445w (64Hz OC) 1920x1200 / GPU: MSI GeForce GTX 970 4GD5 OC "Afterburner" @1450MHz (T.S.M.C. 28nm) / GPU: ASUS Radeon RX 6600 XT DUAL OC RDNA2 32CUs @2607MHz (T.S.M.C. 7nm FinFET) / Keyboard: HP KB-0316 PS/2 (Nordic) / Motherboard: ASRock B450M Pro4, Socket-AM4 / Mouse: Razer Abyssus 2014 / PCI-E: ASRock USB 3.1/A+C (PCI Express x4) / PSU: EVGA SuperNOVA G2, 550W / RAM A2 & B2: DDR4-3600MHz CL16-18-8-19-37-1T "SK Hynix 8Gbit CJR" (2x16GB) / Operating System: Windows 10 Home / Sound 1: Zombee Z500 / Sound 2: Logitech Stereo Speakers S-150 / Storage 1 & 2: Samsung 850 EVO 500GB SSD / Storage 3: Western Digital My Passport 2.5" 2TB HDD / Storage 4: Western Digital Elements Desktop 2TB HDD / Storage 5: Kingston A2000 1TB M.2 NVME SSD / Wi-fi & Bluetooth: ASUS PCE-AC55BT Wireless Adapter (Intel)

Vishera-X8-9370 | R20 score MC: 1476cb

Spoiler

Case: Cooler Master HAF XB Evo Black / Case Fan(s) Front: Noctua NF-A14 ULN 140mm Premium Fans / Case Fan(s) Rear: Corsair Air Series AF120 Quiet Edition (red) / Case Fan(s) Side: Noctua NF-A6x25 FLX 60mm Premium Fan / Case Fan VRM: SUNON MagLev KDE1209PTV3 92mm / Controller: Sony Dualshock 4 Wireless (DS4Windows) / Cooler: Cooler Master Hyper 212 Evo / CPU: AMD FX-8370 (Base: @4.4GHz | Turbo: @4.7GHz) Black Edition Eight-Core (Global Foundries 32nm) / Display: ASUS 24" LED VN247H (67Hz OC) 1920x1080p / GPU: MSI GeForce GTX 970 4GD5 OC "Afterburner" @1450MHz (T.S.M.C. 28nm) / GPU: Gigabyte Radeon RX Vega 56 Gaming OC @1501MHz (Samsung 14nm FinFET) / Keyboard: Logitech Desktop K120 (Nordic) / Motherboard: MSI 970 GAMING, Socket-AM3+ / Mouse: Razer Abyssus 2014 / PCI-E: ASRock USB 3.1/A+C (PCI Express x4) / PSU: EVGA SuperNOVA G2, 850W PSU / RAM 1, 2, 3 & 4: Corsair Vengeance DDR3-1866MHz CL8-10-10-28-37-2T (4x4GB) 16.38GB / Operating System 1: Windows 10 Home / Sound: Zombee Z300 / Storage 1: Samsung 850 EVO 500GB SSD (x2) / Storage 2: Seagate® Barracuda 2TB HDD / Storage 3: Seagate® Desktop 2TB SSHD / Wi-fi: TP-Link TL-WN951N 11n Wireless Adapter

Godavari-X4-880K | R20 score MC: 810cb

Spoiler

Case: Medion Micro-ATX Case / Case Fan Front: SUNON MagLev PF70251VX-Q000-S99 70mm / Case Fan Rear: Fanner Tech(Shen Zhen)Co.,LTD. 80mm (Purple) / Controller: Sony Dualshock 4 Wireless (DS4Windows) / Cooler: AMD Near-silent 95w Thermal Solution / Cooler: AMD Near-silent 125w Thermal Solution / CPU: AMD Athlon X4 860K Black Edition Elite Quad-Core (T.S.M.C. 28nm) / CPU: AMD Athlon X4 880K Black Edition Elite Quad-Core (T.S.M.C. 28nm) / Display: HP 19" Flat Panel L1940 (75Hz) 1280x1024 / GPU: EVGA GeForce GTX 960 SuperSC 2GB (T.S.M.C. 28nm) / GPU: MSI GeForce GTX 970 4GD5 OC "Afterburner" @1450MHz (T.S.M.C. 28nm) / Keyboard: HP KB-0316 PS/2 (Nordic) / Motherboard: MSI A78M-E45 V2, Socket-FM2+ / Mouse: Razer Abyssus 2014 / PCI-E: ASRock USB 3.1/A+C (PCI Express x4) / PSU: EVGA SuperNOVA G2, 550W PSU / RAM 1, 2, 3 & 4: SK hynix DDR3-1866MHz CL9-10-11-27-40 (4x4GB) 16.38GB / Operating System 1: Ubuntu Gnome 16.04 LTS (Xenial Xerus) / Operating System 2: Windows 10 Home / Sound 1: Zombee Z500 / Sound 2: Logitech Stereo Speakers S-150 / Storage 1: Samsung 850 EVO 500GB SSD (x2) / Storage 2: Western Digital My Passport 2.5" 2TB HDD / Storage 3: Western Digital Elements Desktop 2TB HDD / Wi-fi: TP-Link TL-WN851N 11n Wireless Adapter

Acer Aspire 7738G custom (changed CPU, GPU & Storage)
Spoiler

CPU: Intel Core 2 Duo P8600, 2-cores, 2-threads, 2.4GHz, 3MB cache (Intel 45nm) / GPU: ATi Radeon HD 4570 515MB DDR2 (T.S.M.C. 55nm) / RAM: DDR2-1066MHz CL7-7-7-20-1T (2x2GB) / Operating System: Windows 10 Home / Storage: Crucial BX500 480GB 3D NAND SATA 2.5" SSD

Complete portable device SoC history:

Spoiler
Apple A4 - Apple iPod touch (4th generation)
Apple A5 - Apple iPod touch (5th generation)
Apple A9 - Apple iPhone 6s Plus
HiSilicon Kirin 810 (T.S.M.C. 7nm) - Huawei P40 Lite / Huawei nova 7i
Mediatek MT2601 (T.S.M.C 28nm) - TicWatch E
Mediatek MT6580 (T.S.M.C 28nm) - TECNO Spark 2 (1GB RAM)
Mediatek MT6592M (T.S.M.C 28nm) - my|phone my32 (orange)
Mediatek MT6592M (T.S.M.C 28nm) - my|phone my32 (yellow)
Mediatek MT6735 (T.S.M.C 28nm) - HMD Nokia 3 Dual SIM
Mediatek MT6737 (T.S.M.C 28nm) - Cherry Mobile Flare S6
Mediatek MT6739 (T.S.M.C 28nm) - my|phone myX8 (blue)
Mediatek MT6739 (T.S.M.C 28nm) - my|phone myX8 (gold)
Mediatek MT6750 (T.S.M.C 28nm) - honor 6C Pro / honor V9 Play
Mediatek MT6765 (T.S.M.C 12nm) - TECNO Pouvoir 3 Plus
Mediatek MT6797D (T.S.M.C 20nm) - my|phone Brown Tab 1
Qualcomm MSM8926 (T.S.M.C. 28nm) - Microsoft Lumia 640 LTE
Qualcomm MSM8974AA (T.S.M.C. 28nm) - Blackberry Passport
Qualcomm SDM710 (Samsung 10nm) - Oppo Realme 3 Pro

 

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SEEE?????? this is so confusing...it's one, then the other! ugh....

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3 minutes ago, Lmedicity said:

SEEE?????? this is so confusing...it's one, then the other! ugh....

 

There's nothing really confusing about it.  Do one thing at a time and you eliminate compounding issues.  CPU OC trumps all so get that right first.  Then worry about CPU Cache, Memory, video cards and so on.

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word. I agree, i was just wondering. thanks guys. 

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There's no wrong answer. You can stress test one variable at a time and know what effect each change has, or push them all really high then try to figure out where the problem is when your stress test fails.
If you're not OCing ram past XMP then there's probably no reason to wait...

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