Product: EVGA GeForce GTX 460 SuperClocked 1024MB EE
Company: EVGA
Authour: James Prior
Editor: Charles Oliver
Date: August 17th, 2010
Overclocking, Power Consumption & Heat

Overclocking

Included with the EVGA GeForce GTX 460 SC is the suite of EVGA applications - EVGA Precision and EVGA OC Tuner. The included version of EVGA Precision is 1.95, and has a nice GeForce GTX 460 skin to go with the card. Upgrading to newer versions keeps the custom skin, so you can have that personalization as well as updates for functionality and bug fixes.

EVGA Precision GTX 460 Edition
EVGA Precision GTX 460 Edition

EVGA precision doesn't offer voltage control, and EVGA's GPU Voltage Tuner utility hasn't been updated in over a year and so doesn't support Fermi-based cards. MSI Afterburner, however, unlocks voltage control.


Using MSI Afterburner we were able to get a stable core clock of 880MHz (Shader clock 1760) and Memory clock 1000MHz (4000 QDR). This was achieved with a GPU core voltage of 1087mV. In stock form EVGA GTX 460 limits the fan speed to a maximum of 80%, however EVGA have released a BIOS update in the form of their 'Free Performance Update' that allows 100% fan speed.

Stock Super Clocked
Stock Super Clocked
Overclocked Super Clocked
Overclocked Super Clocked

Power

Power consumption is measured in Watts as full system draw at the wall, measured using a Kill-a-watt meter. Idle conditions were at Windows 7 desktop with balanced power profile and AMD Cool'n'Quiet enabled, ASUS EPU set to Maximum Power Savings, and GPU adaptive power mode enabled, where appropriate. Media results were recorded during playback of a 1080p AVC encoded file, and Load power under Furmark 1.8.2 test with Xtreme Burning Mode and Post Processing, plus 4xMSAA. Lower results are better.


The GeForce GTX 460 has a remarkable low power state with GPU voltage dropping down to 0.8750v and a super low clock rate, of only 50.6MHz/101MHz for the Core/Shaders and 67.5MHz for the Memory.

EVGA GTX 460 1GB SC Idle
EVGA GTX 460 1GB SC Idle

Heat

The GeForce GTX 460 has a end mounted blower style fan, with a full slot external exhaust. The RAM and GPU are both cooled by a direct touch copper heat pipe base fitted with large aluminum fins for the air to pass through.

Heatpipe Direct Mounted Heatsink
Heatpipe Direct Mounted Heatsink

The GeForce GTX 460 has a specified TDP of 160W. This does not directly translate into power consumption, as TDP is given as the maximum capacity specification of the cooling system. This value is determined as being necessary for the card not to exceed its junction limits, but does not specify what workload - it could be under a commonly seen workload such as a popular game, instead of a full heat generation workload such as FurMark. Temperatures were recorded as the peak value from a 120 second Furmark bench, running 4xMSAA and XBM + Post Processing. Lower results are better.


Shroud and Fan Assembly
Shroud and Fan Assembly


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