Intel Core i5-8400 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 i5-8400

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 i5-8400 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 i5-8400

PCMark 8 shows the i5-8400 is a solid performer across the board in everyday tasks, only taking 2nd place to its i7 counterpart.

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 i5-8400

PCMark 10 shows similar ranking, this time coming in just a few points shy of overtaking the 8-core HEDT CPU.

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 i5-8400

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 in this test suite.

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 i5-8400

Our i5-8400 comes in at the bottom of this test.  As this is a single threaded benchmark, all of the extra cores don’t help, and the comparatively lower clock speed bring our i5 in more than a minute slower than the 8700K.

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 i5-8400

We see very strong performance again from the new Coffee Lake-S Core i5-8400. Nearly matching last generation’s i7-5820K with twice the thread count is something though. It’s still well ahead of the i7’s of the last few generations though.

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 i5-8400

Cinebench is one test that scales well with both clock speed and thread count. Our slower clocked 6 thread CPU falls behind 7th generation 8 threaded CPU’s by only a small bit but does maintain a lead over 6th generation and older chips.

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 i5-8400

We repeatedly see strong performance from out Coffee Lake-S offerings, but again the lower thread count and clock speed see’s the i5-8400 trail just behind most of our i7 offerings.

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 i5-8400

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 i5-8400

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 and the i5-8400 only about 3GB/s behind it in copy and write functions.

Intel Core i5-8400

On the Latency side of things, the i5-8400 still fights its way to the previously i7 only area of the charts with a snappy 58.8 nanoseconds.

Intel Core i5-8400

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 i5-8400

Level 2 cache bandwidth shows the i5-8400 placing above even some HEDT i7 CPU’s for copy and write functions.

Intel Core i5-8400

And finally, level 3 bandwidth is again quite a bit improved over the last few generations, placing in the middle of the previous i7 pack and leaving all of the other i5 CPUs in the dust.

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 i5-8400

Passmark Memory Mark shows the 2nd best score yet, outpacing even quad-channel equipped HEDT CPU’s from the last generation, and significantly faster than other dual-channel CPUs with the exception of its own 8th generation i7 sibling.

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 i5-8400

We’re starting to notice a pattern here. The i5-8400 takes 2nd place on Dual Channel memory performance and is chopping at the heels of a few of our quad-channel enabled CPU’s. The i7-8700K just barely holds the lead as expected.

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 i5-8400

The 8400 opens up our game testing benchmark section with one great Firestrike score. While it only packs 6 threads, it nearly matches the 12 threaded six-core CPU’s of the last generation and gets very close to the 8 threads of the high clock speed quad core CPU’s, the 6700K and 7740X.

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 i5-8400

We see strong performance in 3DMark Timespy as well. While it may look at first glance like it’s near the bottom of the pack, keep in mind most of the results here are HEDT CPU’s.

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 i5-8400

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 i5-8400 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 i5-8400

Rockstar's Grand Theft Auto: V has long been known to show noticeable gains from stronger CPU’s  and the 8400 trails only its i7 sibling on the scoreboard here in top performance. Even the monster HEDT class 16 core i7-7960X just can’t quite keep pace with these CPUs in gaming.

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 i5-8400

Intel Claims the 8th gen CPU’s are the fastest gaming processors ever, and it shows. Even on a game that is not CPU bound, it's near the top of the pack, actually edging out the i7-8700K by a fraction of an FPS.

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 i5-8400

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, very close to the i7-8700K.
 

iGPU Testing

Intel Core i5-8400

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 i5-8400

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 i5-8400

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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