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Intel Sandy Bridge-E, analysis of the performance of the Core i7 3960X (Part 2) - 3D scaling

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sandy_bridge-e

In this second part we will analyze in detail the performance of the Intel i7-3960X with Sandy Bridge-E architecture.  Several tests will be run with various software, specific tests on the memory, CPU frequency, 3D and consumption scaling and overclocking. Very interesting are the comparison tests the Intel i7-980X.

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3D scaling

When it comes to top range CPUs, one often wonders what advantages can make with a particularly performer graphics subsystem. On this page we will see, using two current top range graphics cards, what happens varying the operating frequency of the CPU starting from the default to well up to 5 GHz. The system has two Nvidia GeForce GTX 580 in SLI mode. The reference CPUs are the top of range Intel i7-3960X, the latest AMD FX-8150 and Intel Core i7-2600K. The tests were performed firstly setting the frequency for each of them at default with turbo on, then setting a frequency of 4 GHz and finally a frequency of 5 GHz. In the last two cases the turbo for obvious reasons has been disabled for all CPUs.
Since most of the games currently on the market are unlikely to be limited by the CPU of this caliber, we decided to use some graphics benchmarks that use the CPU more intensively, heralding what could be the load application of future games. These tests will also be particularly interesting for all fans of overclocking, to see which platform is best suited to get the best scores. The software that we used are the well known 3D Mark in both Vantage and 2011 version. We tested the systems with the benchmark Unigine Heaven 2.5 setting Full-HD resolution and setting the tessellation on Extreme. We see below the various graphs generated.

3dmark_vantage

Looking at the 3D Mark Vantage we can see how the scaling of Intel is less marked than the AMD, especially when switching from 4 GHz to 5 GHz, in this regard we can be seen the slope of the segment generated by the graph.

3dmark_2011

 

Turning to the 3D Mark 2011, you can see little marked inclination of the segment of Intel CPUs. You can also see a good inclination of the segment generated by AMD, where the frequency of 5 GHz is also going over the Intel i7-2600K.

 

unigine

Noting however the fps generated by Unigine, which reflects a more real gaming. Going from the default frequency to that of the 5 GHz the increase in fps is not as pronounced, indicating that already in default, Intel can provide high computing power.  As you can see the fps generated are also higher than the AMD.

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