i7-8700K vs i5-9400F - Assassin's Creed Odyssey GTX 1080 - Game Performance Benchmarks


i7-8700K i5-9400F

Multi-Thread Performance

15970 Pts
12212 Pts

Single-Thread Performance

2703 Pts
2387 Pts

Assassin's Creed Odyssey

i7-8700K vs i5-9400F in Assassin's Creed Odyssey using GTX 1080 - CPU Performance comparison at Ultra, High, Medium, and Low Quality Settings with 1080p, 1440p, 4K resolutions

i7-8700K i5-9400F

Ultra Quality
Resolution Frames Per Second
1080p
65.9 FPS
1080p
64.3 FPS
1440p
45.8 FPS
1440p
45.3 FPS
2160p
32.3 FPS
2160p
31.9 FPS
High Quality
Resolution Frames Per Second
1080p
100.9 FPS
1080p
99.3 FPS
1440p
64.8 FPS
1440p
64.3 FPS
2160p
41.3 FPS
2160p
40.9 FPS
Medium Quality
Resolution Frames Per Second
1080p
121.9 FPS
1080p
120.3 FPS
1440p
91.8 FPS
1440p
91.3 FPS
2160p
57.3 FPS
2160p
56.9 FPS
Low Quality
Resolution Frames Per Second
1080p
167.9 FPS
1080p
166.3 FPS
1440p
150.8 FPS
1440p
150.3 FPS
2160p
103.3 FPS
2160p
102.9 FPS
i7-8700K
  • The i7-8700K has higher Level 3 Cache. This is useful when you have substantial multiprocessing workloads, many computationally intense simultaneous processes. More likely on a server, less on a personally used computer for interactive desktop workloads.
  • The i7-8700K has more threads. Larger programs are divided into threads (small sections) so that the processor can execute them simultaneously to get faster execution.
  • For some games, a cpu with a higher clock speed, or in a technical name IPC (Instructions per clock), has better results than other CPU's with higher core count and lower core speed.
  • The i7-8700K has a higher turbo clock boost. Turbo Boost is a CPU feature that will run CPU clock speed faster than its base clock, if certain conditions are present. It will enable older software that runs on fewer cores, to perform better on newer hardware. Since games are software too, it is also applicable to them.
i5-9400F
  • The i5-9400F is more power efficient and generates less heat.

Compare i7-8700K vs i5-9400F specifications

i7-8700K vs i5-9400F Architecture

i7-8700K i5-9400F
CodenameCoffee LakeCoffee Lake
GenerationCore i7 (Coffee Lake)Core i5 (Coffee Lake Refresh)
MarketDesktopDesktop
Memory SupportDDR4DDR4
Part#SR3QRSRF6M
Production StatusActiveActive
ReleasedOct 2017Jan 2019

i7-8700K vs i5-9400F Cache

i7-8700K i5-9400F
Cache L164K (per core)64K (per core)
Cache L2256K (per core)256K (per core)
Cache L312MB (shared)9MB (shared)

i7-8700K vs i5-9400F Cores

i7-8700K i5-9400F
# of Cores66
# of Threads126
Integrated GraphicsUHD Graphics 630N/A
SMP # CPUs11

i7-8700K vs i5-9400F Features

i7-8700K i5-9400F
MMX SSE SSE2 SSE3 SSSE3 SSE4.2 AVX AVX2 EIST Intel 64 XD bit VT-x VT-d HTT AES-NI TSX TXT CLMUL FMA3 F16C BMI1 BMI2 Boost 2.0MMX SSE SSE2 SSE3 SSSE3 SSE4.2 AVX AVX2 EIST Intel 64 XD bit VT-x VT-d AES-NI TSX TXT CLMUL FMA3 F16C BMI1 BMI2 Boost 2.0

i7-8700K vs i5-9400F Notes

i7-8700K i5-9400F
This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

i7-8700K vs i5-9400F Performance

i7-8700K i5-9400F
Base Clock100 MHz100 MHz
Frequency3.7 GHz2.9 GHz
Multiplier37.0x29.0x
Multiplier UnlockedYesNo
TDP95 W65 W
Turbo Clockup to 4.7 GHzup to 4.1 GHz
Voltagevariablevariable

i7-8700K vs i5-9400F Physical

i7-8700K i5-9400F
Die Sizeunknownunknown
FoundryIntelIntel
PackageFC-LGA1151FC-LGA1151
Process Size14 nm14 nm
SocketIntel Socket 1151Intel Socket 1151
Transistorsunknownunknown
tCaseMax72°C72°C

Compare i7-8700K vs i5-9400F in more games


Discussion and Comments

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kosherfinnegan 1 year ago
I9 9900k/i7 9700k or i7 8700k
Hey folks.
I resently sold my i5 6600 with some other stuff expecting to upgrade when the 9th Gen Intel chips released. (which I thought was September 1st. Not October..) now the question is? Should I wait for October and watch the price fall of the i7 8700k or pay more and get the 9th Gen. My budget is only capable of the pricerange of the i7 8700k. Is it worth to wait and see the change in price? Or?
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dubbedshear 1 year ago
I decided to buy the 8086k since there was a good deal on Amazon for more than the 8700k.
I'm going to run on an AsRock Taichi and should get at least 5.1-5.3 on water cooling.

We know that the i7 9700k is 8C/8T and there's literally a couple of games that can truly take advantage of more than 4 cores, let alone 6 or 8!
Plus quite a lot of games still benefit from HT, so makes the decision between 8700k/8086k and the 9700k much easier.

Assuming my 8086k is a well binned chip and I can sit at 5.1-5.3 on all cores, I truly don't see how the 9700k or even the 9900k could offer much more than a modest improvement.
It's not a different CPU architecture, it's just soldered coffee lake so for gaming any benefits over a nicely binned 8700k/8086k are not worth the extra money, and if you already have this chip, certainly not worth the upgrade if you use your PC mostly for gaming.

If you have other things you do, streaming or video production then sure, the 9700/9900 will be a good option, but if you are like me and 99% gaming, there's likely no value for the additional cost that intel will of course charge.

Cheers.
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bordermatcher 11 months ago
i7 4790 or i7 8700k
Hi all ,
I'm currently using a i7 4790 with a 1080ti ,16gb 1600 ram @ 1440p 144hz , no massive issues just feel i should be getting more fps from my card (60-80 fps on new tombraider ultra , 60/70 on AC origins drops below 50 sometimes on ultra)

I've been looking at i7 8700k mobo 16gb ddr4 bundles for and £700 would i get much benefit from this expensive upgrade?
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servicesdicing 1 year ago
i7 8700 vs i7 8700K(No overclocking)
I have been using the i5 4590 and now I am going for a full upgrade which includes RAM,MOB etc.The internet is blowing up about how awesome the i7 8700K is for gaming but nobody seems to talk about the i7 8700.Can someone please tell me which one to go for,the non K version or the K version.Please keep in mind that I will not be overclocking even if I get the K version and will the difference in gaming performance be significant when both CPUs are running at stock settings.
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endnotetokahee 1 year ago
The 8700 would be by a long shot the better deal for you if Intel had the H and B series motherboards out right now, but it's going to be a while if they even come. If I were you I'd probably get the cheapest z370 board you can find, an i7 8700, and some slightly above bargain basement RAM. Even the non-OC intel processors can support 2666MHz RAM speed this generation and you will want to take advantage of it. 2133MHz RAM is going to limit your speed by a noticeable amount.
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tuxkent 10 months ago
I5 9600K vs I7 8700K
I have just upgraded to a 1080 TI and I will be needing a new CPU to go with it. Right now I am thinking about one of these two.
Cant seem to find many great benchmark comparisons between them. The I5 9600K is about 70 euroes cheaper, but is it worth it to spend the extra 70 euroes for the 8700K?
I am gaming on 1080p 144hz.
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nervousmute 10 months ago
The 9600K performance is identical to 8600k, except for the regular 5 to 6% increase in IPC as far as Intel processors go.

The 8700K is definitely worth the extra price. Esp. with games like AC odyssey come with turd level of CPU usage optimization.
The 8700K is roughly 50% faster than 9600K in multi-core performance.

You will anyway buy a high end mobo for OCing. If 70 Euros are hard to come by for you, then go for the 9600K or if you are just contemplating the price vs performance ratio, the 8700K is a worthy processor for the 70 Euro hike.
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retractunderwear 1 year ago
I7-8700k too hot?
So I recently installed an i7-8700k with a Hyper Evo 212 as the cooler and I'm not sure if my temps are where they should be, also before asked yes its running at stock and not overclocked.

When I check the bios after a shut down shortly after following a game being played, it says its at 60-63 or so. But when I'm using programs such as HWinfo or CPUID HwMonitor, it says that sometimes my maximum it hits is like 78-80 or so while staying at around 60ish.

Today is relatively a hotter day then usual in California (93 degrees) So I'm not sure if that comes into play. Or if I potentially seated my Evo incorrectly? Not sure.

I have an AsRock Z370 mPro4 as my motherboard and any help would be greatly appreciated.
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FALSEfluid 1 year ago
I7 8700k or i5 8600k for gaming
Hi, it's my first time building a pc so I have very little knowledge about processors.
Both the i7 8700k and i5 8600k have similar single core and quad core performance according to user benchmark, I have heard that most games don't use more than 4 cores.
So I'll be playing in a 1440p 144hz IPS g-sync monitor with GTX 1080 and mostly games like counter strike,pubg and fortnite
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cleaversculling 1 year ago
your 8600k will overclock quite easily to 4.7ghz. clock for clock, worse case scenerio, the 8600k will give you 98% the fps as an 8700k.

if you can afford the 8700k or 2700x, you should get one of those. since your on 144hz, id say go for the intel option. usually people opt for the 8600k because they can then afford a higher end gpu. since it seems you are dead set on a 1080, it doesn't really mean much so you are just saving 0 by going with the i5 over the i7.
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