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Benchmark System

Three Thermalright True Spirit Heat Sinks, Reviewed
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Despite their size differences, all three of the models we tested are able to keep AMD's FX-8350 cool at stock clock rates. The two larger coolers will participate in a second round of benchmarking with an overclocked processor for a chance to qualify for a place in our separate Overclocking Charts.

Benchmark System CPU Cooling, Normal And Overclocked
ProcessorAMD FX-8350 (Vishera) 4M/8T, 8 MB Shared L3 Cache, 4 GHz Base Clock Rate, 4.2 GHz Maximum Turbo Core
AMD FX-8350 (Vishera) All Cores at 4.4 GHz using 1.4325 V
MotherboardGigabyte 990FXA-UD7, Socket AM3, 990FX North Bridge, SB950 South Bridge, BIOS F10
System Memory
1 x 4 GB G.Skill DDR3-1333 CL9
Graphics Card
XFX Radeon HD 5450 (Passive)
System SSD60 GB Kingston SSDNow V+ 200
Power Supply
1000 W Xilence XQ Series Platinum R4 (Semi-Passive)
CaseCooler Master CM Storm Stryker
Case Fans Front and Back: 1000 RPM
Case Fan Top: 900 RPM
OtherAqua Computer Aquaero 5 LT (Firmware 1027)
Arctic Cooling MX-4 (Thermal Paste)
Operating System
Windows 8 Pro 64-Bit  (Version: May 2013)

The processor’s temperature is measured after loading (and heating) it up for 60 minutes using Prime95 with user-defined settings. Theose thermals are logged for 10 minutes, and the results are averaged. This is more accurate than just measuring at one specific point in time. It should be noted that the processor’s temperature sensors only provide whole numbers, which makes the results a bit less precise than if we had a tenths or hundredths place.

Noise levels are measured with an open case from a distance of 30 cm at a 90-degree angle to the CPU cooler and at the level of the middle of the CPU cooler’s fan. Don’t be alarmed if the numbers seem high; they would be lower in a closed case. Measuring the noise level this way gives us more precise numbers due to reduced interference from ambient noise.

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