Intel Core i7-8700K CPU Review: Page 4 of 6

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Posted by Damon Bailey on Thursday, October 5, 2017 - 9:00am

System Configuration & Performance Testing

CPU: Intel Core i7-8700K

Ram: 32GB GeIL EVO Spear, 2x16GB 3200Mhz C14

GPU: Galax HOF GTX 1070

Mobo: Gigabyte Aorus Ultra Gaming

SSD: Sandisk Ultra Plus 256GB

Cooling: Custom 240mm loop, EK Supremacy Evo CPU block, EKWB PE 240mm radiator, Monsoon MMRS res and EKWB D5 Pump. Cooled by two Corsair ML120 Pro fans.

 

Performance Testing

General Performance Testing

All performance testing was done with the i7-8700K and GTX 1070 at default clock speed. CPU was left with Speed Step and Turbo Boost enabled. Games where ran at a resolution of 1920 x 1080 and higher settings enabled as noted.

PCMark 8

"Use the PCMark 8 Storage benchmark to test the performance of SSDs, HDDs and hybrid drives with traces recorded from Adobe Creative Suite, Microsoft Office and a selection of popular games. You can test the system drive or any other recognized storage device, including local external drives. Unlike synthetic storage tests, the PCMark 8 Storage benchmark highlights real-world performance differences between storage devices."

Intel Core i7-8700K

PCMark 8 shows the Intel Core i7-8700K to have great all-around performance, turning in the best Creative and Home category scores we've seen yet. Work scores seem to be a bit lower than previous generations, even with more cores. 

PCMark 10

PCMark 10 is the complete benchmark for the modern office. It is the ideal test for organizations that are evaluating PCs for a workforce with a range of performance needs. The tests in this benchmark cover a wide range of activities from everyday productivity tasks to demanding work with digital media content.

PCMark 10 uses a modular approach to build relevant benchmark tests around common end-user scenarios. A Test Group is a collection of workloads that share a common theme or purpose. There are four test groups in PCMark 10, we use three of them.

Essentials: covers the common, everyday ways that people use a PC. The workloads include Web Browsing, Video Conferencing, and App Start-up time.

 Productivity: measures system performance with everyday office applications. This test group includes the Spreadsheets and Writing workloads.

Digital Content Creation: This test group's workload reflects the demands of working with digital content and media. The tests include Photo Editing, Video Editing, and Rendering and Visualization.

Intel Core i7-8700K

Our i7-8700K holds down first place by a decent margin in everything but Productivity where our 32-threaded i7-7820X wins by only a small amount.

 

WebXPRT 2015

WebXPRT 2013 uses scenarios created to mirror the tasks you do every day to compare the performance of almost any Web-enabled device. It contains four HTML5- and JavaScript-based workloads: Photo Effects, Face Detect, Stocks Dashboard, and Offline Notes.  WebXPRT is run with the latest stable release version of Google Chrome browser, in this case, Version 61.

Intel Core i7-8700K

Intel’s Coffee Lake-S CPU’s show exceptional performance in browser-based testing. WebXPRT gives a score with a +/- rating, our 8700K gave a score of 664 +/- 10 but slightly lost out to the i5-8400 with a 674 +/- 10. While within a margin of error of each other, both 8th generation chips show very strong performance.

CPU Performance Testing

Super PI Modded 1.5

“In August 1995, the calculation of pi up to 4,294,960,000 decimal digits was succeeded by using a supercomputer at the University of Tokyo. The program was written by D.Takahashi in collaboration with Dr.Y.Kanada at the computer center. This record should be the current world record. (Details are shown in the windows help.) This record-breaking program was ported to personal computer environments such as Windows NT and Windows 95. In order to calculate 33.55 million digits, it takes within 3 days with a Pentium 90 MHz, 40 MB main memory and 340 MB available storage.”

Intel Core i7-8700K

Our i7-8700k comes in near the top of the pack. Small system differences can make a difference in score times by more than the 7 seconds the 8700K lost to the 7700K in this test. As this is a single threaded benchmark, the slight differences in clock speed can make the difference.

SiSoft Sandra – Cryptographic Bandwidth

“SiSoftware Sandra provides a robust package of diagnostic tools for testing your system and teasing out its problems--or potential headaches.”

Intel Core i7-8700K

Very strong performance again from the new Coffee Lake-S i7-8700K CPU places it 2nd behind only our monster i9 CPU.

 

CINEBENCH R15

"CINEBENCH is a real-world cross platform test suite that evaluates your computer's performance capabilities. CINEBENCH is based on MAXON's award-winning animation software CINEMA 4D, which is used extensively by studios and production houses worldwide for 3D content creation. MAXON software has been used in blockbuster movies such as Iron Man 3, Oblivion, Life of Pi or Prometheus and much more.

CINEBENCH is the perfect tool to compare CPU and graphics performance across various systems and platforms (Windows and OS X). And best of all: It's completely free."

Intel Core i7-8700K

Just look at that performance! The 8700K blows last generations HEDT 6 core chips right out of the water, never mind the quad-core offerings, and even goes toe to toe with AMD’s 8-core Ryzen 7 1700 CPU.

7-Zip

The benchmark shows a rating in MIPS (million instructions per second). The rating value is calculated from the measured speed, and it is normalized with results of Intel Core 2 CPU with multi-threading option switched off. So if you have modern CPU from Intel or AMD, rating values in single-thread mode must be close to real CPU frequency. There are two tests, compression with LZMA method and decompression with LZMA method. Once the total passes reaches 100, the score is taken

Intel Core i7-8700K

We repeatedly see strong performance from out Coffee Lake-S offerings, and 7-zip file compression testing shows it again. It’s fun to see the 6 core 8700K about tie the 8 core offering from AMD.

Black Hole 4.2

Let the beast run and benchmark your system in three different tests (Multithreaded, Single-threaded & 4-Threaded) that will test your CPU to the very limit, and score you among hundreds of other systems that have tested.

Multithreaded will test your CPU's efficiency of running more than one thread without major system lag. The higher you score on this one, the more threads your CPU can handle with a comfortable speed. High multithreaded scores generally mean you can render things faster.

4-Threaded tests your CPU's performance in games since most games currently run on 4 threads.

Single-threaded evaluates how fast the CPU can handle a single, dedicated thread for processing.

Intel Core i7-8700K

The total benchmark score is the sum of all three individual scores. Strong single-threaded performance is shown on the 8700K, but also multi-threaded scores with 12 active threads.

Memory Performance Testing

AIDA64 Engineer Edition

“FinalWire Ltd. today announced the immediate availability of AIDA64 Extreme Edition 1.50 software, a streamlined diagnostic and benchmarking tool for home users; and the immediate availability of AIDA64 Business Edition 1.50 software, an essential network management solution for small and medium scale enterprises. The new AIDA64 update implements AVX-optimized benchmarks for the upcoming Intel Sandy Bridge processors, adds a brand new video encoding benchmark, and supports the latest AMD and NVIDIA graphics processors.”

Intel Core i7-8700K

AIDA64 shows both Coffee Lake CPU’s in our lineup leading the pack of dual-channel CPU’s. The i7-8700K takes first with nearly 50GB/s writes and around 44GB/s on copy and read tests.

Intel Core i7-8700K

On the Latency side of things, the 8700K still fights its way to the top of the charts with a snappy 56.8 nanoseconds.

Intel Core i7-8700K

Looking internal to the CPU itself, we see Level One Cache Bandwidth speeds more in line with many HEDT CPU’s than mainstream.

Intel Core i7-8700K

Level 2 cache shows a similar trend.
Intel Core i7-8700K

And finally, level 3 bandwidth is again quite a bit improved over the last few generations.

Passmark Performance Test - Memory Mark - Threaded

“Fast, easy to use, PC speed testing and benchmarking. PassMark PerformanceTest ™ allows you to objectively benchmark a PC using a variety of different speed tests and compare the results to other computers.”

Intel Core i7-8700K

Passmark Memory Mark shows the best score yet, outpacing even quad-channel equipped HEDT CPU’s from the last generation, and significantly faster than other dual-channel CPU’s.

SiSoft Sandra – Memory Bandwidth.

“SiSoftware Sandra provides a robust package of diagnostic tools for testing your system and teasing out its problems--or potential headaches.”

Intel Core i7-8700K

We’re starting to notice a pattern here. The 8700K leads the pack on Dual Channel memory performance by double-digit percentages and is chopping at the heels of a few of our quad-channel enabled CPU’s.

Cooler Master MS121 Entry Code: MS121 RGB Good

Game Testing

3DMark – Fire Strike

"Fire Strike is a showcase DirectX 11 benchmark designed for today's high-performance gaming PCs. It is our most ambitious and technical benchmark ever, featuring real-time graphics rendered with detail and complexity far beyond what is found in other benchmarks and games today"

Intel Core i7-8700K

The 8700K opens up our game testing benchmark section with our best Firestrike score yet, best-combined score, and one of the best graphics scores. It loses out on CPU physics only to its 8 and 10-core HEDT counterparts.

3DMark – Time Spy

"3Dmark Time Spy is a new DirectX 12 benchmark test for Windows 10 gaming PCs. Time Spay is one of the first DirectX 12 apps to be built “the right way” from the ground up to fully realize the performance gains that the new API offers. With DirectX 12 engine, which supports new API features like asynchronous compute, explicit multi-adapter, and multi-threading, Time Spy is the ideal test for benchmarking the latest graphics cards.”

Intel Core i7-8700K

We see strong performance in 3DMark Timespy as well, with scores closer to HEDT parts than mainstream desktop.

Unigine Superposition

Extreme performance and stability test for PC hardware: video card, power supply, cooling system. Check your rig in stock and overclocking modes with a real-life load! Also includes interactive experience in a beautiful, detailed environment.

Intel Core i7-8700K

As this benchmark is strictly GPU oriented, we are more checking for bottlenecks or other issues rather than CPU performance. Keeping the GPU load fairly low, we put the most stress on the CPU we can feeding frames at a very high rate. The 8700K does admirably and doesn’t miss a beat.

Grand Theft Auto: V

"When a young street hustler, a retired bank robber, and a terrifying psychopath find themselves entangled with some of the most frightening and deranged elements of the criminal underworld, the U.S. government and the entertainment industry, they must pull off a series of dangerous heists to survive in a ruthless city in which they can trust nobody, least of all each other.”

Intel Core i7-8700K

Rockstar's Grand Theft Auto: V has long been known to show noticeable gains from stronger CPU’s,  and the 8700K leads the scoreboard here in top performance, and even in dollar per performance really. Even the monster HEDT class 16 core i7-7960X just can’t quite keep pace.

Metro: Last Light

"It Is the Year 2034. Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above."

Developed by 4A Games and published by Deepsilver, Metro: Last Light uses the 4A game engine. At its highest settings, the 4A game engine is capable of bringing all but the most extreme gaming systems to their knees.

Intel Core i7-8700K

Intel Claims the 8700K is the fastest gaming processor ever, and it shows. Even on a game that is not CPU bound, it's near the top of the pack.

Tomb Raider

Tomb Raider explores the intense and gritty origin story of Lara Croft and her ascent from a young woman to a hardened survivor. Armed only with raw instincts and the ability to push beyond the limits of human endurance, Lara must fight to unravel the dark history of a forgotten island to escape its relentless hold.

Intel Core i7-8700K

Tomb Raider, released in 2013 really doesn’t tax modern CPU’s as heavily, so we only have a 7 FPS spread in our chart now. At least we don’t see any bottlenecks and we do get solid performance.
 

iGPU Testing

With the release of Coffee Lake-S, Intel updates it’s long-running HD series graphics solution to Ultra HD on the UHD 630 Graphics Technology. The changes from the last generation are minimal and really only extend to the name.

Intel Core i7-8700K

Intel Core i7-8700K

As you can maybe see, you still won’t be playing demanding 3D games with the integrated GPU. Lighter weight games, like several popular E-sports games, should play fine on lower settings though.

Intel Core i7-8700K

Tasks like video editing, streaming video and video chat, as well as photo editing can be performed with the integrated GPU just fine with great results.

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