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Lapping CPU Worth It?

Mq3

Want to OC my Ryzen 5800x and instead of buying a $200 water cooler to replace my NH D15, I want to find another, less expensive way of improving cooling performance.

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Id say no, in reality OC a 5XXX series Ryzen chip is close to pointless, your efforts will be far better spent in memory tuning

 

 

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5 minutes ago, Mq3 said:

Want to OC my Ryzen 5800x and instead of buying a $200 water cooler to replace my NH D15, I want to find another, less expensive way of improving cooling performance.

I wouldn't lap it personally. Your cooling seems good enough. My friend has a 5800x with a NZXT X63 and his idles at 40 C, loads at 80 C.

AMD Ryzen 7 7800X3D | Sapphire Pulse AMD Radeon RX 7900XT Triple Fan | G.Skill 32GB 2x D5 6000

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I have 32Gb 3600mhz CL16 RAM, how much an improvement could I get?

 

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Is voiding warranty worth it? @Ravendarat the gain is actually not insignificant if done right, but doing it needs skill. Preferably many old CPUs for practices

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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2 minutes ago, Apollo Refugio said:

I wouldn't lap it personally. Your cooling seems good enough. My friend has a 5800x with a NZXT X63 and his idles at 40 C, loads at 80 C.

Yea at full load I get to like max around 75, but it also depends on the temp of my room, when its a little on the cold side, I've seen it max at 69 degrees, all core cinebench r23, on average it stays prob around low-mid 70s

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Is water cooling even that much better?

I don't think so since its usually much more expensive for the same or worse performance.

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1 minute ago, Mq3 said:

I have 32Gb 3600mhz CL16 RAM, how much an improvement could I get?

 

Depends on the exact kit. 4x8gb or Samsung B-die would be ideal, gain more than overclocking further with the help of lapping for sure

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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1 minute ago, Jurrunio said:

Is voiding warranty worth it? @Ravendarat the gain is actually not insignificant if done right, but doing it needs skill. Preferably many old CPUs for practices

You mean lapping? Im not saying its not worth lapping, im saying OCing 5th gen Ryzen isnt worth it. They are already so close to the edge that for every day use the gains seem not worth it. As for the lapping side of it, you might very well get some added benefits to temp, but if the silicone wont push far enough to take advantage than I dont think I could suggest it at the cost of voiding warranty. The gain doesnt justify the risk in my mind, but thats certainly just my opinion

 

 

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16 minutes ago, Ravendarat said:

You mean lapping? Im not saying its not worth lapping, im saying OCing 5th gen Ryzen isnt worth it. They are already so close to the edge that for every day use the gains seem not worth it. As for the lapping side of it, you might very well get some added benefits to temp, but if the silicone wont push far enough to take advantage than I dont think I could suggest it at the cost of voiding warranty. The gain doesnt justify the risk in my mind, but thats certainly just my opinion

It is a small gain that comes free so I wont say it's not worth it, but I dont know how far OP is willing to go. "Not willing to buy a new cooler" to "lapping the IHS" is a pretty big leap.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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I think a top end air cooler, and proper case flow can go a long way. I can run my 3600XT at stock or with all core oc at 4400 with no fan installed on my heatsink and all four case fans at 7v. I only ran it like that for a day, but it was good. I ran my 3770K at 4500 like that with the same setup. CLC is ok until permeation takes hold, or becomes loud. Its just a few hundred ML's in the rad, so its not like you have a lot of fluid to begin with. But if you have a CPU that can put out a couple of hundred watts, you will notice performance start to taper after a year or so if you run the system hard 12-16 hours a day.

AMD R7 5800X3D | Thermalright Phantom Spirit 120 EVO, 1x T30

Asus Crosshair VIII Dark Hero | 32GB G.Skill Trident Z @ 3733C14

Zotac 4070 Ti Trinity OC @ 3060/1495 | WD SN850, SN850X, SN770

Seasonic Vertex GX-1000 | Fractal Torrent Compact RGB, Many CFM's

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