The Intel Haswell Refresh Review: Core i7-4790, i5-4690 and i3-4360 Tested
by Ian Cutress on May 11, 2014 3:01 AM ESTConclusions
When a company builds a product that evolves and adapts every generation, unless they are under strong competition on all fronts, the best and brightest will not be released on day one. The company can afford to be more casual in how it approaches the product stack. This allows for updates to be produced during downtime that are just a slightly more aggressive policy revision. In the land of processors, this means more stringent bins or tighter pricing methods. The Haswell Refresh is essentially this – Intel has a long time between major updates (ticks or tocks) and can launch a number of processors in the interim which are more competitive for price and/or performance until the next major update appears.
As expected, the Core i7-4790 CPU that we had beats the i7-4770K in each of the CPU benchmarks by a consistent margin due to the CPU frequency increase. In a similar vein, the IGP of the i7-4790 trails that of the i7-4770K due to the 50 MHz deficit on the side of the i7-4790. There are no surprises here, it has all gone by the book.
While our other CPU matchups were not as ideal as the i7, the i5 and i3 both show their respective positions in the table. The use of the i7-4765T as a low frequency, quad core CPU with HyperThreading also puts in an element of analysis, whereby removing the HyperThreading for the i5-4690 actually puts it ahead on several of the single threaded / high-register requirement benchmarks.
In discrete GPU testing, the CPUs all perform similarly in single GPU conditions. This showcases that high-end CPUs, even for modern games are not needed when it comes to discrete gaming capabilities. This seems especially true for Tomb Raider which comes across as completely CPU agnostic, choosing to offload as much of the work onto the GPU as possible.
In dual GPU conditions, we get more of a landscape of where the Haswell Refresh CPUs stand. The i3-4360, in the same PCIe arrangement as the i5 and i7 CPUs, fails to scale as well as the CPUs with more cores. This equates to about 10% in Sleeping Dogs/Battlefield 4 using the GTX 770s in SLI, or 30% in the same benchmarks using HD 7970s in CrossFire. For users enjoying the higher refresh rate monitors, such as 120 Hz or 144 Hz, this can make a significant difference. The inclusion of HyperThreading with the i7-4790 did not give any advantage in gaming compared to the i5-4690, except in the CPU benchmarks where each thread had minimal register requirements (PovRay, 3DPM).
On the IGP side all of our new CPUs were using the HD4600 solution making comparison straightforward. The i7 seems to have the clear advantage here, with up to 10% performance increase against the i3. The difference between the i7 and i5 however was minimal, but exaggerated in some of the synthetic tests such as 3DMark Cloud Gate which ends up more CPU bound.
For a lot of users interested in overclocking CPUs or who have already moved to Haswell, this refresh will seem almost pointless. It is a chance for Intel to combine the release of a new chipset with a series of CPUs so system integrators and retailers can start selling bundles. For the enthusiasts especially, the new overclocking-focused Devil’s Canyon and Pentium-K processors supposedly coming soon are being awaited with bated breath.
For new users looking to go Intel however, the Haswell Refresh is the new platform to get. It edges out the older CPUs either in terms of performance or price, but not in a massive excitement sort of way. Intel has played it safe, as you would expect when you have a performance advantage.
The last question to consider is if this is the right time to purchase: is there something new around the corner? For the enthusiast, the next generation of enthusiast CPUs (Haswell-E and X99) are due out in the second half of this year, however one would expect the entry point for this platform is around the $500 mark (CPU + motherboard + DRAM). For more mainstream uses, Intel has teased Broadwell news in the form of an unlocked Iris Pro CPU, however that seems to be due more towards the end of 2014/2015 if the Broadwell NUC roadmap is anything to go by. That would mean anyone buying a Haswell Refresh platform today, with a new CPU, would have until the end of the year before it is no longer the latest technology in the more casual desktop market. However, Broadwell processors are assumed to be LGA1150, the same as Haswell, meaning an upgrade should be as simple as replacing the CPU.
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willis936 - Sunday, May 11, 2014 - link
Man why are you reading anantech if you think redundant data collection is a waste of time? Verification of both results and of expectations in new products is valuable. Intel could call it a refresh after botching every wafer in the past six months and dump it into a new product line.DanNeely - Sunday, May 11, 2014 - link
This is the locked, non OC, portion of the Haswell refresh. The new unlocked chips have a rumored ETA of early next month.If you're not interested; go read something else instead. What you want isn't available yet.
Flunk - Monday, May 12, 2014 - link
Proving there is no credible difference is useful, maybe it will save some people a few bucks.nutjob2 - Sunday, May 11, 2014 - link
Intel is chasing a dying market, ie, those who are willing to pay for single threaded performance at any cost, and worry less about power consumption, in the desktop and server space.These people fall into two broad categories:
First there are gamers with more money than sense who spend hundreds or thousands each year on the latest CPU/motherboard/GPU that delivers a 5%-10% increase in framerate. Also other people who feel they need the latest and greatest for whatever reason.
On these people Intel dumps their hottest parts since they're not very concerned about power consumption, water cooling is a badge of honor for these guys.
Then there are the corporates who are visited by HP/Dell/etc salesmen and are told they need big, big iron so they can virtualise all their servers to "save money". That of course means they've created a single point of failure for all those servers so they need a machine with redundant everything and huge density. No-one has the heart to tell them they still have a single point of failure.
These people don't so much care about power consumption than the fact you can't cool or deliver power very well to multiple processors in a box, so Intel give them their somewhat cooler parts. Because most of the software they run is not very clever and largely single threaded they stick to Intel.
The smart corporate money is not buying any of Intel's overpriced CPUs instead they're sticking with their existing hardware and waiting for "cloud" providers to lower their prices. Why are they doing that? Because Intel is playing most of the above market for suckers, making them pay through the nose while they sell their best parts to Amazon, Google, Microsoft, IBM et all who pay a fraction of what everyone pays. Intel doesn't do this out of the kindness of their hearts but because they know that cloud providers will eventually replace many of their existing direct customers and because they don't care about single threaded performance (they're almost always using all their cores). Intel are milking their cash cows while they kiss up to the new big players, lest they start getting too friendly with AMD or ARM vendors who can make custom parts for them, just like the big players make their own motherboards, etc shutting out people like HP and Dell.
willis936 - Sunday, May 11, 2014 - link
Adding an extra 20 to product numbers is "chasing"?betam4x - Sunday, May 11, 2014 - link
Regarding your comments:1) Gamers don't spend 'hundreds of thousands of dollars every year' on PC components. Top of the line PC hardware can be had for under 3 grand. Typically the users who buy this years new hardware are the ones that skipped the past 1-2 generations of hardware.
2) Intel's parts aren't 'hot'. They are more power efficient than they've ever been. The performance per watt is among the highest in the industry.
3) Virtualizing does save money. Even if that server went up in flames, a backup of that VM is stored elsewhere so that it can be quickly brought back up on the backup server located in another rack. This means minutes of downtime instead of hours.
4) At my company we buy intel CPUs every day. We upgrade all of our machines every 3 years and often have to buy new machines for new employees. Of course, we do other 'crazy' things as well, like dual monitors, ample workspace, etc. Imagine that?
Gigaplex - Monday, May 12, 2014 - link
"Gamers don't spend 'hundreds of thousands of dollars every year' on PC components."They said hundreds OR thousands, not "of".
rajod1 - Friday, May 30, 2014 - link
Gamers as a group spend millions on upgrades not hundreds or thousands.maximumGPU - Tuesday, May 13, 2014 - link
Upgrade every 3 years, and new machines for new employees? I'd like to apply to a job in your company, tired of XP and pentium 4's in my current one.YuLeven - Wednesday, May 14, 2014 - link
Know that feel. I use a Celeron D here.