EVGA GeForce GTX 1080 FTW2 iCX Tested With 11GHz Memory

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Cranking GDDR5X Memory Up to 11GHz

Last month EVGA announced that they were going to allow customers that purchased the EVGA GeForce GTX 1080 FTW2 ($629.99) and SC2 ($569.99) models to upgrade the clock speed on the GDDR5X memory from 10GHz to 11GHz if they wanted to. EVGA released the new BIOS versions as an optional free performance upgrade for existing card owners, which is pretty awesome. By going from 10GHz to 11 GHz on the GDDR5X, the memory bandwidth on the EVGA GeForce GTX 1080 FTW2 goes from 320.3 GB/s up to 352.3 GB/s. This 10% increase in memory clock speed and bandwidth won’t give you 10% better performance, but it should give a measurable improvement in most all 3D applications. Free performance improvements are hard to beat!

EVGA GeForce GTX 1080 FTW2 11Ghz Memory

The only downside to this BIOS update is that not all cards are going to be stable with these new higher memory clock speeds. The  EVGA GeForce GTX 1080 FTW2 and SC2 came with the first generation of GDDR5X memory whereas the newer cards that come at 11 GHz use the second generation of GDDR5X memory that is better optimized for higher clock frequencies.

EVGA GeForce GTX 1080 11GHz Memory

Once you download the proper BIOS update for your card the BIOS update procedure is simple and takes just seconds. Once you run the .EXE file for either the primary or secondary BIOS that you want to Flash you wait for it to finish and then restart the system.

EVGA GeForce GTX 1080 FTW2 11GHz Memory

We flashed the BIOS on our EVGA GeForce GTX 1080 FTW2 iCX graphics card (part number 08G-P4-6686-KR) and by doing so we went from BIOS version 86.04.3B.40.80 to BIOS version 86.04.3B.41.81. The main thing that you are looking for here is that the GDDR5X memory clock went from 1251MHz (10,000 MHz effective) to 1376MHz (11,000 effective). If the math on the effective clock rates is confusing it is likely because you are forgetting that one of the new features of GDDR5x memory is that uses quad data rate (QDR).

Now that we know how EVGA is letting gamers get a free performance upgrade and how to do it, let’s take a look at some benchmarks numbers!

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