Since many high-end computers have a dedicated graphics card anyway and therefore do not need the internal graphics card of the processor, it can be worth buying an F variant.The processors of the Core i7 series are very fast and are suitable for very complex office tasks, video editing, image editing or the latest PC games. In addition, since 2019 there have also been the F variants, which come without an internal graphics card and are therefore reduced in price. As of 2022, Intel will be offering the Core i7 processors with up to 12 cores in the mobile and desktop segments.Processor variants marked with a K have a free multiplier and can be overclocked. The modern Intel Core i7 processors support up to 128 GB of RAM in two memory channels (usually up to four modules). The processors range from the smaller U versions (15 watts TDP) to the strong desktop versions with 125 watts TDP. All Core i7 processors feature Hyper-Threading Technology, which doubles the number of CPU threads while increasing performance by up to 40% over processors without Hyper-Threading.The Intel Core i7 processors are available for desktop use as well as for use as a mobile processor (e.g. Since 2017, Intel has also been offering the Intel Core i9 series for enthusiasts, which usually have even more CPU cores and higher clock frequencies than Intel's Core i7 processors. Intel now offers newer server processors in the Intel Xeon Silver (formerly Intel Xeon E3), Intel Xeon Gold (formerly Intel Xeon E5) and Intel Xeon Platinum (formerly Intel Xeon E7) families.In the Intel Core i7 series there are processors with high computing power for work or as the heart of a gaming PC. The processor benefits from the stable Intel 14 nm manufacturing and the newer Broadwell EP architecture.The Intel Xeon E5 processors were discontinued in 2017. The Intel Xeon E5-2699 v4 is specified with a TDP of (only) 145 watts, which is relatively human considering the 22 CPU cores. Using quad-channel mode quadruples the server's memory bandwidth and can have a positive effect on computing-intensive applications. The top model, Intel Xeon E5-2699 v4, can address RAM up to DDR4-2400 in four memory channels (quad-channel). Since the Intel Xeon E5 family is purely a server product, it cannot be overclocked.All Intel Xeon E5 processors support the error correction ECC of the main memory. Up to 2.8 GHz are possible with simultaneous load on several cores. The processor can increase its clock frequency to up to 3.6 GHz (when only one CPU core is loaded) via Turbo mode. The top model Intel Xeon E5-2699 v4 has 22 CPU cores, which operate at 2.2 GHz in the base are clocked. Mainboards for the LGA 2011 socket can accommodate up to 2 CPUs at the same time, so setups with 44 physical plus 44 "virtual" cores (HT) are possible, which in total allows the simultaneous processing of 88 threads.The Xeon E5 v3 dominated the picture in pretty much every benchmark and were consistently at the top of Passmark, Cinebench 11.5 and Geekbench 3. Intel Xeon E5 v3 processors for the LGA 2011-3 socket can provide up to 22 CPU cores plus hyperthreading and are therefore among the fastest processors from Intel.
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