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CPU heatsink blemish - does it matter?

Go to solution Solved by Jurrunio,

Nah it wont, new paste will fill in all the gaps if there are any

I recently cracked out my 3 years old Wraith Spire that came with my 1600. I am planning to use it on a computer I'm about to build. I've never used it so it still had the pre-applied thermal compound on it, though the compound did turned yellow. I wiped it off with some ethanol, but found blemishes on the copper contact. The surface still feels very smooth. My first guess is that the thermal compound corroded the copper. Will this affect its cooling ability much?


Everyone on here be showing off their rigs, so here I go:


Main Desktop CPU: Ryzen 1600 @ 3.65 GHz Memory: 2x8GB @ 3200 MHz Graphics: NVIDIA ASUS 1070 MOBO: ASRock Fatal1ty AB350 Gaming-ITX/ac Storage: NVME M.2 Crucial P1 SSD; SATA Crucial MX500 SSD; Seagate BarraCuda HDD.


Acer Aspire 5755G CPU: Intel i5-2410M @ 2.30GHz Memory: 6GB DDR3-1066 SDRAM Graphics: NVIDIA GT 540M 2GB Storage750GB 2.5" 5400RPM HDD Display15.6" 1366x768

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Nah it wont, new paste will fill in all the gaps if there are any

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: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally 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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