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Review: Intel Core i7-7820X (14nm Skylake-X)

by Parm Mann on 18 July 2017, 14:01

Tags: Intel (NASDAQ:INTC)

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Conclusion

We like the fact that Intel has had to offer more performance at a lower price point than has been the case in the last five years...

The Intel response to the AMD Ryzen 7 threat has materialised with the current release of five HEDT chips sat on top of the also-new X299 platform. The eight-core, 16-thread Skylake-X chip, known as Core i7-7820X, is of particular interest as its £550 asking fee isn't too far removed from premium Ryzen 7 pricing.

Said chip has enough performance on tap to beat out the best Ryzen 7 in a variety of benchmarks. Intel's higher peak speeds and more efficient architecture ensure it wins the lightly-threaded benchmarks with ease, but the situation is much closer when Ryzen 7 can flex its multi-core muscles.

We like the fact that Intel has had to offer more performance at a lower price point than has been the case in the last five years. £550 for a processor is still a heck of a lot of money, granted, yet it can be genuinely considered as value from an Intel perspective, going by what we saw last year.

The Core i7-7820X is a good chip suitable for base-unit builds costing in the region of £1,500-£2,000, though the user really needs to tax the multi-core aspect for it to be a better bet than mainstream Core i7-7700K. What's more, appreciating the high-end aspirations of the X299 platform, Intel's reluctance to go beyond 28 PCIe lanes is a blot, and the imminent release of the $799-plus AMD Threadripper CPU is another wrinkle in the mix.

Intel has had to up its game since AMD came back swinging in the premium desktop CPU market. The Core i7-7820X CPU is a testament to, dare we say, value from an Intel standpoint..

The Good
 
The Bad
Very good multi-core perf
Solid overclocking potential
Cheap for an Intel eight-core chip
Better than AMD at single-thread
 
PCIe lanes not great
Threadripper on horizon
Expensive from platform POV



Intel Core i7-7820X

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HEXUS Forums :: 27 Comments

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The bad : 140W TDP
It would be nice for the reviews to compare the real price of buying a new pc built around the cpu… ie when it's combined with a motherboard because intels HEDT motherboards cost more than ‘consumer’ AM4 boards too which would again make it more expensive to build an intel.

A quick check on prices show intel x299 boards starting around £250 while amd am4 boards start at around £50, although obviously you'd likely be picking slightly higher priced ones, but thats still a huge extra cost to consider in terms of value. Even if you pick mid range AM4 you can still save £100 which is like 16GB of ram or the next step on a gpu.
LSG501
It would be nice for the reviews to compare the real price of buying a new pc built around the cpu… ie when it's combined with a motherboard because intels HEDT motherboards cost more than ‘consumer’ AM4 boards too which would again make it more expensive to build an intel.

A quick check on prices show intel x299 boards starting around £250 while amd am4 boards start at around £50, although obviously you'd likely be picking slightly higher priced ones, but thats still a huge extra cost to consider in terms of value. Even if you pick mid range AM4 you can still save £100 which is like 16GB of ram or the next step on a gpu.
The review does mention this:

hexus
Of course, opting for any of these new chips means investment in an Intel X299-based motherboard, costing north of £200
kalniel
The review does mention this:

true but the tables only compare cpu cost and as we all know a cpu is pretty useless without the motherboard and other parts which can be pretty much standardised across both intel and amd. It actually gives quite a distorted picture of value proposition
LSG501
It would be nice for the reviews to compare the real price of buying a new pc built around the cpu… ie when it's combined with a motherboard because intels HEDT motherboards cost more than ‘consumer’ AM4 boards too which would again make it more expensive to build an intel.

A quick check on prices show intel x299 boards starting around £250 while amd am4 boards start at around £50, although obviously you'd likely be picking slightly higher priced ones, but thats still a huge extra cost to consider in terms of value. Even if you pick mid range AM4 you can still save £100 which is like 16GB of ram or the next step on a gpu.

^^ Agreed