Tuesday, February 20, 2018
ProcessorsReviews

Intel Core i7-7820X 8-Core Processor Review

System Overview & Testing Procedures
For testing we will be using four different test systems. First let’s talk about our new X299 system. It is made up of the following components.

AORUS X299 Gaming 9 Motherboard

Processor: Intel Core i7-7820X / Intel Core i7-7740X / Intel Core i7-7900X
Video Card: MSI GeForce GTX 1060 Gaming X 3GB
Motherboard: AORUS X299 Gaming 9
Memory: Corsair VENGEANCE LED DDR4-3200 32GB
Storage: OCZ VX500 512GB SSD
Power: Corsair AX860i
Cooling: NZXT Kraken X52
Case: Primochill Praxis WetBench

We will be testing against the Core i7-5960X, our X99 system is made up of the following:

Processor: Intel Core i7-5960X
Video Card: MSI GeForce GTX 1060 Gaming X 3GB
Motherboard: Gigabyte X99-Ultra Gaming
Memory: Corsair VENGEANCE LED DDR4-3200 32GB
Storage: OCZ VX500 512GB SSD
Power: Corsair AX860i
Cooling: NZXT Kraken X52
Case: Primochill Praxis WetBench

We will be testing against AMD’s Ryzen 7 1700, our Ryzen system is made up of the following:

Processor: AMD Ryzen 7 1700
Video Card: MSI GeForce GTX 1060 Gaming X 3GB
Motherboard: ASUS ROG Crosshair VI Hero
Memory: Corsair VENGEANCE LED DDR4-3200 32GB @ 2133 MHz
Storage: OCZ VX500 512GB SSD
Power: Corsair AX860i
Cooling: NZXT Kraken X52
Case: Primochill Praxis WetBench

Finally we will be testing against the Core i7-7700K, and Core i7-6700K, our Z270 system is made up of the following.

Processor: Intel Core i7-7700K / i7-6700K
Video Card: MSI GeForce GTX 1060 Gaming X 3GB
Motherboard: Aorus Z270X-Gaming 9
Memory: Corsair VENGEANCE LED DDR4-3200 32GB
Storage: OCZ VX500 512GB SSD
Power: Corsair AX860i
Cooling: NZXT Kraken X52
Case: Primochill Praxis WetBench

For testing the processors we go into the BIOS and load the optimized defaults. The reason we do is because most people will have this setup on their own PC. This is the default mode if you do not go into the BIOS and change anything.

Here are the specifications of all of the processors we will be testing today.

Core i9-7900X: 3.3 GHz / 4.3 GHz (4.5 GHz TB 3.0)
Core i9-7820X: 3.6 GHz / 4.3 GHz (4.5 GHz TB 3.0)
Core i7-7740X: 4.3 GHz / 4.5 GHz
Core i7-5960X: 3.0 GHz / 3.5 GHz
Core i7-7700K: 4.2 GHz / 4.5 GHz
Core i7-6700K: 4.0 GHz / 4.2 GHz
Ryzen 7 1700: 3.2 GHz / 3.7 GHz

Here are the tests that we will be running:

CPU Testing
AIDA64
– CPU Queen
– CPU ZLib
X264 HD Benchmark 5.0
Sisoftware Sandra
– Processor Arithmetic
– Processor Multimedia
Handbreak
– Encoding test
POV-Ray 3.7
CINEBENCH R11.5 64-Bit

Graphics & Gaming
3DMark Time Spy
3DMark Fire Strike Extreme
Ashes Of The Singularity
Batman Arkham Origins
Star Wars Battlefront

Bob Buskirk
the authorBob Buskirk
About 10 years of computer experience. Been messing around with electronics since I was 5, got into computers when I was in highschool, been modding them ever since then. Very interested in how things work and their design.
  • Tim Draper

    So you compare a $599 processor against a Ryzen 1700 without overclock and running Ram at 2133?

    Mmm, curious. I wonder what the justification for that could be?

  • Well one Tim we test processors against all other processors we have on hand, which included the Ryzen 7 1700 and other Intel parts in that price range as well. We do not have any AMD TR parts so we could not test those.

    As for the memory, that specific memory kit would not work on our Ryzen system at anything other than 2133 MHz. That is with the latest micro-code update and BIOS update for our motherboard. We troubleshooted the issue for a week but ran into the same result. We have yet to hear back from AMD on the issue.

    it is not a direct comparison, the other chips are there to give you an idea of performance across the board. I don’t think someone looking at a $599 chip would be considering a Ryzen 7 1700. We included the $999 i9-7900X in our testing as well and mentioned the ThreadRipper 1900X in the conclusion as an option around the same price.

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