Xeon's vs i7 4th & 5th gen

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matt4x4

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Oct 6, 2014
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Its hard to compare different generation CPU's
but I want to know if its true that a XEON X5650 in LGA 1366 is equal to i7-4790 LGA 1150 = i7-5820 in 2011-3. Or their K brothers.

i7-4790 3.6 GHz 4 × 256 KB 8 MB HD Graphics 4600 350–1200 MHz 84 W
i7-4790K 4 GHz 4 × 256 KB 8 MB HD Graphics 4600 350–1250 MHz 88 W



i7-5820K 6Cores 3.3 GHz 6 × 256 KB 15 MB 140 W LGA 2011-3


Xeon X5650 2.67 GHz 6core 6 × 256 KB 12 MB 95 W
https://www.dropbox.com/s/ga207qrrxt0zxpq/Screenshot%202016-09-14%2015.00.19.png?dl=0



Thanks
 
Solution
Rogue Leader
Not at all.

The X5650 is an older lower IPC architecture it is significantly slower in most tasks than the 2 i7s you mentioned mainly due to that and its lower clock speed.

The 4790 is 4 core 8 thread while the 5820 is 6 core 12 thread, and also benefits from a better motherboard chipset in X99.

In terms of raw power in gaming the 4790 is likely the fastest as it has the highest clock speed, unless you are running a task that can take advantage of all 6 cores (ie rendering) than the 5820 will be the fastest. They are based off the same architecture but different sockets.
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Rogue Leader

Rogue Leader

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Not at all.

The X5650 is an older lower IPC architecture it is significantly slower in most tasks than the 2 i7s you mentioned mainly due to that and its lower clock speed.

The 4790 is 4 core 8 thread while the 5820 is 6 core 12 thread, and also benefits from a better motherboard chipset in X99.

In terms of raw power in gaming the 4790 is likely the fastest as it has the highest clock speed, unless you are running a task that can take advantage of all 6 cores (ie rendering) than the 5820 will be the fastest. They are based off the same architecture but different sockets.
 
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Ecky

Ecky

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Feb 3, 2013
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The Xeon X5650 is equivalent to a first generation i7 6-core. The 5820K is a 4th generation i7 6-core. With each generation, Intel has increased performance per clock by 5-15%, so you can expect the 5820K to be 30-50% faster per clock in addition to having ~25% higher stock clockspeed.

An overclocked Xeon X5650 might match an i7 4790 in multithreaded scenarios by virtue of having 50% more cores, but either 4790 or 4820K will still blow it out of the water in single-threaded performance.
 
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Epsilon_0EVP

Epsilon_0EVP

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Jun 27, 2012
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Not equal, no. There are quite a few differences between those CPU's.

The Xeon is designed for very well-threaded applications that benefit from more cores over higher clockrates. Very few consumer applications behave like that, and the Xeon also supports some higher-end features that will add extra cost with no benefit to most consumers. The 5820 will be superior in almost every way, since it uses a newer architecture and has higher clock rates, despite having the same number of cores. Finally, the 4790 is a quad-core chip with slightly higher clocks, so the choice between this and the 5820 depends on how much you need more cores and how much the rest of the machine will cost you.

The K series processors just allow you to overclock them. That way you can get more performance out of the chip, as long as you can cool it properly.

All of these CPU's are pretty overkill for most consumer usage, though, and unless you're getting them used for a good price, it would be better to get a CPU with a recent architecture instead.
 
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