The Intel Broadwell-E Review: Core i7-6950X, i7-6900K, i7-6850K and i7-6800K Tested
by Ian Cutress on May 31, 2016 2:01 AM EST- Posted in
- CPUs
- Intel
- Enterprise
- Prosumer
- X99
- 14nm
- Broadwell-E
- HEDT
GRID: Autosport
No graphics tests are complete without some input from Codemasters and the EGO engine, which means for this round of testing we point towards GRID: Autosport, the next iteration in the GRID and racing genre. As with our previous racing testing, each update to the engine aims to add in effects, reflections, detail and realism, with Codemasters making ‘authenticity’ a main focal point for this version.
GRID’s benchmark mode is very flexible, and as a result we created a test race using a shortened version of the Red Bull Ring with twelve cars doing two laps. The car is focus starts last and is quite fast, but usually finishes second or third. For low end graphics we test at 1080p medium settings, whereas mid and high end graphics get the full 1080p maximum. Both the average and minimum frame rates are recorded.
Middle-Earth: Shadow of Mordor
The final title in our testing is another battle of system performance with the open world action-adventure title, Shadow of Mordor. Produced by Monolith using the LithTech Jupiter EX engine and numerous detail add-ons, SoM goes for detail and complexity to a large extent, despite having to be cut down from the original plans. The main story itself was written by the same writer as Red Dead Redemption, and it received Zero Punctuation’s Game of The Year in 2014.
For testing purposes, SoM gives a dynamic screen resolution setting, allowing us to render at high resolutions that are then scaled down to the monitor. As a result, we get several tests using the in-game benchmark. For low end graphics we examine at 720p with low settings, whereas mid and high end graphics get 1080p Ultra. The top graphics test is also redone at 3840x2160, also with Ultra settings, and we also test two cards at 4K where possible.
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Witek - Thursday, June 16, 2016 - link
@rodmunch69 - Yeah. I also almost 4 years on 3930K (at 3.2GHz->4.2GHz), which I got for something like 350$ at the time. And I still do not see anything better in similar price bracket. x86 arch is a shit, with limited instruction issue, substandard compilers targeting generic cpus, and power hungry circuits trying to workaround the arch limitations.The prices on these new CPUs are shit, and Intel do that because they do not have competition in high performance x86 market right now. I understand making 14nm chip is more costly than previous generations, but eh, still it is crazy. There is no point of using 14nm for desktop if it doesn't provide substantial performance boost or power saving, at similar price. I am seriously looking into ARM64, Power8, MIPS and other architectures (especially high core counts, or ones still in developement - like Out of the Box Computing Mill CPU), that can break this trend (at least on Linux). SPARC looks like highest performance at the moment, but the prices are crazy as hell. Intel Phi is also interesting for paralellized workloads, but the price is still very high (due to the smaller target market).
Zen will help bring these prices into check. 16 core Zen (32 threads) at 1000$ would be awesome, and will bring all these Intel i7 cpus prices down substantially too.
vivs26 - Tuesday, May 31, 2016 - link
Looking at single threaded and multi threaded performance cant help but be reminded of Amdahl's law. The performance you can extract out of your system is only as much your workload allows you to ....ithehappy - Tuesday, May 31, 2016 - link
I am still on i7 950, just with a GTX970, will it be worth it if I get the 6800K? Or shall I still wait for Skylake-E? Gaming is my main priority, and low power consumption, because mine is on nearly 24x7.rhysiam - Wednesday, June 1, 2016 - link
If all you care about is gaming, get an i7 6700K. There's almost no value proposition in these CPUs anymore unless you absolutely need more than 4 cores. Very few games have been shown to benefit from more than 4 cores at all, and the hyperthreading on the i7 6700K will be there to help if (probably when) games finally start to scale better. The single threaded performance of the 6700K is also significantly better. If you have high end graphics and a 120/144hz display, where CPU performance can sometimes start to matter, the 6700K is actually the faster CPU, and would net you higher fps than any of these overpriced Broadwell-E CPUs.The only argument you could make is that at some point in the future games might start to benefit from 6+ cores. We've already seen in gaming benchmarks of i5s vs i3s vs Pentiums that hyperthreading does a surprisingly good job at mitigating the impact of a game running more threads than you have CPU cores. There's a very good chance that the 4 Core + HT of an i7 6700K will hold its own in gaming for a long time to come. Even if that turns out to not be the case, you'd be much better off in the long run just upgrading your machine when you need it rather than sinking money into a Broadwell-E system now.
mapesdhs - Thursday, June 9, 2016 - link
Re your power consumption, if that's because you care about long term cost, then there's a lot of utility in used hw such as a 3930K. It'll give a very good boost, it's much easier to oc than the later models, it's cheap, the platform supports broad SLI/CF, and it'd take years for the slightly higher power consumption of a 4.8 3930K to wipe out the huge cost saving vs. a 3930K (BIN for 96 UKP on eBay UK atm). It'll also better exploit future improvements in game design that support more cores.If you do want something new though, then rhysiam is right, 6700K or 4790K is fine.
Or go for something inbetween, like a used 4930K (costs a bit more, but higher IPC and some other benefits over SB-E).
However, if you do want something new, then rhysiam is right, the 6700K is plenty, or indeed a 4790K.
asmian - Tuesday, May 31, 2016 - link
Quite apart from cost/performance, the key question for some is whether this last version of Broadwell has had retrofitted the SGX extensions that were introduced with Skylake. Was this feature left out as it wasn't part of the original Broadwell platform? (Preferable) lack of SGX will mean this is the last secure-from-remote-snooping Intel processor release, otherwise the last will unfortunately be Haswell/Haswell-E.Anandtech has been conspicuously silent on SGX and why this is a privacy nightmare for users, unable to monitor or detect exactly what software may be secretly running on their processors due to a by-design inability to snoop on the process in-use memory. The benign use cases usually put forward hardly outweigh the risk of mode-adoption by virii, trojans and user-snooping malware of government origin, able to obfuscate their own remote loading, which would potentially be immune from detection by any means (likely including by the AV and anti-malware industry).
For more on why SGX is of concern read http://theinvisiblethings.blogspot.co.uk/2013_08_0... and http://theinvisiblethings.blogspot.co.uk/2013_09_0...
Please confirm definitively whether Broadwell-E has SGX or not.
Jvboom - Tuesday, May 31, 2016 - link
This is so disappointing. Every time a new release comes out I come on here hoping to justify buying. The numbers just aren't there for the $$.Tchamber - Tuesday, May 31, 2016 - link
Is anyone else disappointed that a new, cutting-edge CPU consumes 10W more than my 2010 i7 970 with the same number of cores? Add to that, prices go up faster than performance does. That makes it nice to see that CPUs don't make much difference in gaming. There are plenty of features I'd like, but I can wait till Zen comes out. In all honesty, I'll probably buy Zen just to support the underdog.krypto1300 - Tuesday, May 31, 2016 - link
Man, and I'm still getting by with my workhorse 1366 platform from 6 years ago. Running a Xeon X5650 @ 3.66GHz , 16GB of DDR31866 and a GTX 970! Everything still runs great! Doom and Project Cars do 1440P @ 60fps no problem!mapesdhs - Thursday, June 9, 2016 - link
A good example that shows the continued utility of what IMO was the last really ground-breaking new chipset release. I can remember reading every review I could find at the time about Nehalem and X58. Not done that since.Btw, are you by any chance using a Gigabyte board? 8)