information about their processors with 32 nm fabrication has circulated several months ago. Now Intel has begun marketing the processor with 32 nm fabrication process.

Core i5 661

While still wearing a i5 Core, Core i5 661 (code name of Clarkdale) which does not really have too many differences with the previous Core i5 using code name (code name) Lynnfield. The most visible difference is the Core i5 661 is a dual-core processor while the Core i5 750 is a four-core processor (quad-core processor as others who joined in the line of processors bernamasandi Clarkdale). Besides, this is the first processor that successfully integrate graphics processing into the "home" processor. The rest is the same for both Lynnfield and Clarkdale was built on the Nehalem architecture.

As seen in the physical appearance of this new processor, IHS behind him there are two of the core, which one is the core processor, while the other one is the core of the graphics processor.

With graphics processors placed in the processor, indirectly the number will decrease as processor core is occupied by the graphics processor core. But to still have a reliable performance, Intel ranks Clarkdale equip this with Hyper-Threading capabilities and Turbo Boost (except for the Clarkdale "junior" as Core I3 / without Turbo Boost and Pentium G6950 which also has the smallest of L3 cache).

Core i5 661 that we tested here has its own privileges. If you look at the table, Core i5 661 has the fastest graphics processor speed compared to his brother. It would also have an impact on its TDP is also higher among other Clarkdale processor.

Own graphics processor is an Intel GMA with DX10 support specifications that are similar to the GMA X4500 integrated in the Intel G41 chipset.

Here we do two kinds of tests. The first is pure performance testing of the Core processor vs. Core i5 661 i5 750. The second is the integrated graphics performance between the Intel Core i5 661 vs. G41.

As the operating system, we use the Windows Vista Ultimate SP2. There also is our test application:
- PCMark Vantage Pro 1.0.1.0
- Sisoft Sandra 2009 SP4
- 3 Expression Encoder 3.0.1332.0 (video encoding)
- DBpoweramp 13.3 (audio encoding)
- Sysmark 2007 Preview 1:05 (image rendering)
- Cinebench R10 (3D content creation)
- 3DMark Vantage Pro 1.0.1 (performance preset)
- STALKER: Clear Sky Benchmark (3D gaming)

PCMark Vantage Pro 1.0.1.0

dbPowerAmp 3.13

Conclusion

From the test results, the processor core i5 661 has a fairly competitive performance compared with Core i5 750. With a high clock speed and the ability of Hyper-Threading, the impact of the loss of 50% of the core is not too large. Graphics processing capabilities are not yet reliable for serious gaming (although the speed is high enough), but more than enough for everyday use. Solutions integrated graphics processor is also an interesting added value now that the ranks of Clarkdale, the solution to the all-in-one computing can be realized to be more concise.