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Evercool Forumula 2 VC-RHE Videocard Heatsink Review
Evercool Forumula 2 VC-RHE Videocard Heatsink Review
Abstract: The Evercool VC-RHE Formula 2 weighs in at 232 grams, stands 35mm above the GPU (it will occupy one additional PCI slot worth of space) and uses a single 80mm fan to quietly keep a broad range of mainstream videocards running cool.

 Manufacturer  Category  Published  Author 
Evercool   Cooling / Heatsinks   Apr 20, 2009   Max Page  

Home > Reviews > Page: VGA Thermal Comparisons

FrostyTech typically eschews real world testing for synthetic thermal test platforms whenever possible; repeatability is more controllable, and parameters like thermal load can be specified from the start by selecting appropriate resistive heater components.

However, when it comes to videocard heatsinks it has proven a challenge to design a suitable platform which will accommodate the wide variety of mounting styles, GPU core dimensions, and VGA heatsinks out there....

Videocard heatsinks react strongly to the internal case environments, and when front/back thermal solutions start to be considered the equation gets rather complicated.

For the time being, FrostyTech will be conducting its VGA heatsink tests with an actual videocard. Temperatures will be recorded with the computer system at idle on the desktop, and when stressed with 3DMark06 where the peak temperature will be noted. The parameters of equipment set up and instrumentation are noted below. The reference heatsink is a stock Geforce 9600GT videocard. VGA Heatsink Test Results
Results based on readings from a thermocouple positioned on the backside of a Geforce 9600GT videocard, directly behind the GPU. The thermocouple is separated from the PCB by Thermagon thermo-conductive gap filler, and insulated from the surrounding environment by closed cell neoprene. Thermal Test values for each heatsink were calculated by determining the rise over ambient temperature at time of test. Information on Frostytech's test methodology is available here.
ATI / nVidia compatible GPU heatsinks
Manufacturer: Model No.: *Fan Speed: Idle GF 9600GT Thermal Test (°C) Noise Level (dBA)

Evercool RC-VHE 3000 RPM 13.5 20.9 34.6
nVidia Stock Geforce 9600GT HSF ~2000 RPM 20.5 32.3 40.0
Idle GF 9600GT Thermal Test (°C) Noise Level (dBA)
*Heatsinks are ranked according to the Thermal Test results column (rise over ambient temp.). Low temperatures with low noise levels are considered best. For reference heatsinks with variable-speed fans, only the high speed (12V) fan test result is included in the comparison sheet; more detailed results reside in each specific heatsink review.

There aren't a lot of VGA heatsinks in this comparison, but what we've tested gives a good indication of where the Evercool VC-RHE Formula 2 VGA heatsink stands. The Evercool Formula 2 heatsink posts a 3DMark06 system stressed maximum rise above ambient temperature of 20.9°C, with 34.6 dBA noise. With the VC-RHE Formula 2's 80mm fan spinning at 3000RPM, stressed temperatures rise only 7°C above idle - idle being when the videocard is just displaying the Windows Vista desktop.

By comparison the stock GeForce 9600GT GPU heatsink does no better than 32.3°C above ambient under 3DMark06 stressed conditions, with ~40 dBA noise.

The main advantage with VGA heatsinks like the Evercool VC-RHE Formula 2 is that the fan works to cool adjacent video memory and PCB with its exhaust. With BGA-mounted devices a significant portion of heat is dumped into the PCB via the solder balls, so to a certain point airflow can work to lower the overall temperatures of the surrounding area.

With a fixed 3000RPM fanspeed the Evercool VC-RHE Formula 2 VGA heatsink offers up a consistent, quiet, after market videocard cooling option for entry-to-mid level class videocards like the Geforce 9600GT.

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Heat Sink Review Index  

Table of Contents:

 1:  Evercool Forumula 2 VC-RHE Videocard Heatsink Review
 2:  360° View - Evercool VC-RHE Formula 2 VGA Heatsink
 3: — VGA Thermal Comparisons

List all Evercool heat sinks that Frostytech tested?

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