Test Bed and Setup

As per our processor testing policy, we take a premium category motherboard suitable for the socket, and equip the system with a suitable amount of memory running at the manufacturer's maximum supported frequency. This is also typically run at JEDEC subtimings where possible.

It is noted that some users are not keen on this policy, stating that sometimes the maximum supported frequency is quite low, or faster memory is available at a similar price, or that the JEDEC speeds can be prohibitive for performance. While these comments make sense, ultimately very few users apply memory profiles (either XMP or other) as they require interaction with the BIOS, and most users will fall back on JEDEC supported speeds - this includes home users as well as industry who might want to shave off a cent or two from the cost or stay within the margins set by the manufacturer. Where possible, we will extend out testing to include faster memory modules either at the same time as the review or a later date.

Test Setup
Intel 9th Gen i9-9900K
i7-9700K
i5-9600K
ASRock Z370
Gaming i7**
P1.70 TRUE
Copper
Crucial Ballistix
4x8GB
DDR4-2666
Intel 8th Gen i7-8086K
i7-8700K
i5-8600K
ASRock Z370
Gaming i7
P1.70 TRUE
Copper
Crucial Ballistix
4x8GB
DDR4-2666
Intel 7th Gen i7-7700K
i5-7600K
GIGABYTE X170
ECC Extreme
F21e Silverstone*
AR10-115XS
G.Skill RipjawsV
2x16GB
DDR4-2400
Intel 6th Gen i7-6700K
i5-6600K
GIGABYTE X170
ECC Extreme
F21e Silverstone*
AR10-115XS
G.Skill RipjawsV
2x16GB
DDR4-22133
Intel HEDT i9-7900X
i7-7820X
i7-7800X
ASRock X299
OC Formula
P1.40 TRUE
Copper
Crucial Ballistix
4x8GB
DDR4-2666
AMD 2000 R7 2700X
R5 2600X
R5 2500X
ASRock X370
Gaming K4
P4.80 Wraith Max* G.Skill SniperX
2x8 GB
DDR4-2933
AMD 1000 R7 1800X ASRock X370
Gaming K4
P4.80 Wraith Max* G.Skill SniperX
2x8 GB
DDR4-2666
AMD TR4 TR 1920X ASUS ROG
X399 Zenith
0078 Enermax
Liqtech TR4
G.Skill FlareX
4x8GB
DDR4-2666
GPU Sapphire RX 460 2GB (CPU Tests)
MSI GTX 1080 Gaming 8G (Gaming Tests)
PSU Corsair AX860i
Corsair AX1200i
SSD Crucial MX200 1TB
OS Windows 10 x64 RS3 1709
Spectre and Meltdown Patched
*VRM Supplimented with SST-FHP141-VF 173 CFM fans
** After Initial testing with the ASRock Z370 motherboard, we noted it had a voltage issue with the Core 9th Gen processors. As a result, we moved to the MSI MPG Z390 Gaming Edge AC for our power measurements. Benchmarking seems unaffected.

We must thank the following companies for kindly providing hardware for our multiple test beds. Some of this hardware is not in this test bed specifically, but is used in other testing.

Hardware Providers
Sapphire RX 460 Nitro MSI GTX 1080 Gaming X OC Crucial MX200 +
MX500 SSDs
Corsair AX860i +
AX1200i PSUs
G.Skill RipjawsV,
SniperX, FlareX
Crucial Ballistix
DDR4
Silverstone
Coolers
Silverstone
Fans
Spectre, Meltdown, STIM, and Z390 Our New CPU Testing Suite for 2018 and 2019
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  • evernessince - Saturday, October 20, 2018 - link

    I'm sure for him money is a fixed resource, he is just really bad at managing it. You'd have to be crazy to blow money on the 9900K when the 8700K is $200 cheaper and the 2700X is half the price.
  • Dug - Monday, October 22, 2018 - link

    Relative to how much you make or have. $200 isn't some life threatening amount that makes them crazy because they spent it on a product that they will enjoy. We spend more than that going out for a weekend (and usually don't have anything to show for it). If an extra 200 is threatening to your lively hood, you shouldn't be shopping for new cpu's anyway.
  • close - Saturday, October 20, 2018 - link

    @ekidhardt: "I think far too much emphasis has been placed on 'value'. I simply want the fastest, most powerful CPU that isn't priced absurdly high."

    That, my good man, is the very definition of value. It happens automatically when you decide to take price into consideration the price. I also don't care about value, I just want a CPU with a good performance to price ratio. See what I did there? :)
  • evernessince - Saturday, October 20, 2018 - link

    A little bit extra? It's $200 more then the 8700K, that's not a little.
  • mapesdhs - Sunday, October 21, 2018 - link


    The key point being, for gaming, use the difference to buy a better GPU, whether one gets an 8700K or 2700X (or indeed any one of a plethora of options really, right back to an old 4930K). It's only at 1080p and high refresh rates where strong CPU performance stands out, something DX12 should help more with as time goes by (the obsession with high refresh rates is amusing given NVIDIA's focus shift back to sub-60Hz being touted once more as ok). For gaming at 1440p or higher, one can get a faster system by choosing a cheaper CPU and better GPU.

    There are two exceptions: those for whom money is literally no object, and certain production workloads that still favour frequency/IPC and are not yet well optimised for more than 6 cores (Premiere is probably the best example). Someone mentioned pro tasks being irrelevant because ECC is not supported, but many solo pros can't afford XEON class hw (I mean the proper dual socket setups) even if the initial higher outlay would eventually pay for itself.

    What we're going to see with the 9900K for gaming is a small minority of people taking Intel's mantra of "the best" and running with it. Technically, they're correct, but most normal people have budgets and other expenses to consider, including wives/gfs with their own cost tolerance limits. :D

    If someone can genuinely afford it then who cares, in the end it's their money, but as a choice for gaming it really only makes sense via the same rationale if they've also then bought a 2080 Ti to go with it, though even there one could retort that two used 1080 TIs would be cheaper & faster (at least for those titles where SLI is functional).

    If anything good has come from this and the RTX launch, it's the move away from the supposed social benefit of having "the best"; the street cred is gone, now it just makes one look like a fool who was easily parted from his money.
  • Spunjji - Monday, October 22, 2018 - link

    Word.
  • Total Meltdowner - Sunday, October 21, 2018 - link

    This comment reads like shilling so hard. So hard. Please try harder to not be so obvious.
  • Spunjji - Monday, October 22, 2018 - link

    I think they placed just the right amount of emphasis on "value". Your post basically explains why it's not relevant for you in terms of you being an Intel fanboy with cash to burn. I'll elaborate.

    The MSRP is in the realm of irrational spending for a huge number of people. "Rational" here meaning "do I get out anything like what I put in", wherein the answer in all metrics is an obvious no.

    Following that, there are a HUGE number of reasons not to pre-order a high-end CPU, especially before proper results are out. Pre-ordering *anything* computer related is a dubious prospect, doubly so when the company selling it paid good money to paint a deceptive picture of their product's performance.

    Your assertion that Intel have never launched a bad CPU is false and either ignorance or wilful bias on your part. They have launched a whole bunch of terrible CPUs, from the P3 1.2Ghz that never worked, through the P4 Emergency Edition and the early "dual-core" P4 processors, all the way through to this i9 9900K which is the thirstiest "95W" CPU I've ever seen. Their notebook CPUs are now segregated in such a way that you have to read a review to find out how they will perform, because so much is left on the table in terms of achievable turbo boost limits.

    Sorry, I know I replied just to disagree which may seem argumentative, but you posted a bunch of nonsense and half-turths passed off as common-sense and/or logic. It's just bias; none of it does any harm but you could at least be up-front that you prefer Intel. That in itself (I like Intel and am happy to spend top dollar) is a perfectly legitimate reason for everything you did. Just be open and don't actively mislead people who know less than you do.
  • chris.london - Friday, October 19, 2018 - link

    Hey Ryan. Thanks for the review.

    Would it be possible to check power consumption in a test in which the 2700x and 9900k perform similarly (maybe in a game)? POV-Ray seems like a good way to test for maximum power draw but it makes the 9900k look extremely inefficient (especially compared to the 9600k). It would be lovely to have another reference point.
  • 0ldman79 - Friday, October 19, 2018 - link

    I'm legitimately surprised.

    The 9900k is starving for bandwidth, needs more cache or something. I never expected it to *not* win the CPU benchmarks vs the 9700k. I honestly expected the 9700k to be the odd one out, more expensive than the i5 and slower than the 9900k. This isn't the case. Apparently SMT isn't enabling 100% usage of the CPU's resources, it is allowing a bottleneck due to fighting over resources. I'd love to see the 9900K run against it's brethren with HT disabled.

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