The AnandTech Coffee Lake Review: Initial Numbers on the Core i7-8700K and Core i5-8400
by Ian Cutress on October 5, 2017 9:00 AM EST- Posted in
- CPUs
- Intel
- Core i5
- Core i7
- Core i3
- 14nm
- Coffee Lake
- 14++
- Hex-Core
- Hyperthreading
Benchmarking Performance: CPU Legacy Tests
Our legacy tests represent benchmarks that were once at the height of their time. Some of these are industry standard synthetics, and we have data going back over 10 years. All of the data here has been rerun on Windows 10, and we plan to go back several generations of components to see how performance has evolved.
All of our benchmark results can also be found in our benchmark engine, Bench.
3D Particle Movement v1
3DPM is a self-penned benchmark, taking basic 3D movement algorithms used in Brownian Motion simulations and testing them for speed. High floating point performance, MHz and IPC wins in the single thread version, whereas the multithread version has to handle the threads and loves more cores. This is the original version, written in the style of a typical non-computer science student coding up an algorithm for their theoretical problem, and comes without any non-obvious optimizations not already performed by the compiler, such as false sharing.
CineBench 11.5 and 10
Cinebench is a widely known benchmarking tool for measuring performance relative to MAXON's animation software Cinema 4D. Cinebench has been optimized over a decade and focuses on purely CPU horsepower, meaning if there is a discrepancy in pure throughput characteristics, Cinebench is likely to show that discrepancy. Arguably other software doesn't make use of all the tools available, so the real world relevance might purely be academic, but given our large database of data for Cinebench it seems difficult to ignore a small five minute test. We run the modern version 15 in this test, as well as the older 11.5 and 10 due to our back data.
x264 HD 3.0
Similarly, the x264 HD 3.0 package we use here is also kept for historic regressional data. The latest version is 5.0.1, and encodes a 1080p video clip into a high quality x264 file. Version 3.0 only performs the same test on a 720p file, and in most circumstances the software performance hits its limit on high end processors, but still works well for mainstream and low-end. Also, this version only takes a few minutes, whereas the latest can take over 90 minutes to run.
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mapesdhs - Monday, October 9, 2017 - link
I'm not sure. :D It's certainly annoying though. Worst part is searching for anything and then changing the list order to cheapest first, what a mess...SunnyNW - Thursday, October 5, 2017 - link
"That changes today."Anyone else read that and think that it is something we should have been reading ages ago?
Consumer technology is progressing slower than many expected and I feel the same way. Nonetheless I can't help but envision a Very near future where I'll be coming back and reading this article and being depressed at this level of technology all the while on my future monolithic many thousand core 3D processor ;)
KAlmquist - Friday, October 6, 2017 - link
Yes. A year ago this would have been an exciting development. Now it's just Intel remaining competitive against AMD's offerings.Valcoma - Thursday, October 5, 2017 - link
"The Core i5-8400 ($182) and Core i3-8350K ($169) sit near the Ryzen 5 1500X ($189) and the Ryzen 5 1400 ($169) respectively. Both the AMD parts are six cores and twelve threads, up against the 6C/6T Core i5 and the 4C/4T Core i3. The difference between the Ryzen 4 1400 and the Core i3-8350K would be interesting, given the extreme thread deficit between the two."Those AMD parts are 4 cores, 8 threads.
Ian Cutress - Thursday, October 5, 2017 - link
You're right, had a brain spasm while writing that bit. Updated.kpb321 - Thursday, October 5, 2017 - link
Still off"The difference between the Ryzen 5 1500X and the Core i3-8350K would be interesting, given the extreme thread deficit (12 threads vs 4) between the two."
the 1500X is a 4c8t processor so it effectively has hyper-threading over the i3-8350K while having a lower overclocking ceiling and lower ipc.
Zingam - Saturday, October 7, 2017 - link
Drinking too much Coffee, eh?hansmuff - Thursday, October 5, 2017 - link
Ian, I love the way the gaming benchmarks are listed. So easy to access and much less confusing than drop-downs or arrows. Nice job!Valcoma - Thursday, October 5, 2017 - link
Are you sure that the i5-7400 got 131 FPS average in benchmark 1 - Spine of the Mountain in Rise of the Tomb Raider? Besting all the other vastly superior processors?Looks like a typing error there or something went wrong with your benchmark (lower settings for example on that run).
Ian Cutress - Thursday, October 5, 2017 - link
I've mentioned it in several reviews in the past: RoTR stage 1 is heavily optimized for quad core. Check our Bench results - the top eight CPUs are all 4C/4T. The minute you add threads, the results plummet.https://www.anandtech.com/bench/CPU/1827