ASUS Maximus VIII Extreme Review: The Other $500 Option

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On the back of our last $500 motherboard review, it was clear that a number of readers were surprised that a mainstream motherboard could cost so much. We took the opportunity to ask ASUS why such a thing exists, especially when a high-end desktop platform combination could cost less. The answer is due to the engineering: an ROG motherboard takes twice as long to design and validate, as well as custom ICs and finding the secret sauce to each platform. ASUS said that they have platforms for any budget, but for the users who want to squeeze every last morsel of performance in a mainstream halo budget, they have a product for that as well. That product is the Maximus VIII Extreme, and this is our review.

 

 

ASUS Maximus VIII Extreme Overview

As we mentioned in the Z170X-Gaming G1 review, for Intel’s Skylake platform, $500 is a large chunk of pie from any PC build, especially as users tend to focus on graphics, processor and/or storage before thinking about the motherboard. The cost of an i7-6700K (~$350 MSRP) plus a $500 motherboard comes in at $850 MSRP, compared to the six-core i7-5820K plus a $250 motherboard which is more around $550 MSRP, meaning that a cost-limited build would be exchanging two cores and $300 for motherboard features. But similar to the high-end Aston Martin One-77, coming in at $1.2 million, there are Astons under six figures. The number of One-77 vehicles sold is comparatively low, but it stands out as a halo product in the range, as does the Gaming G1 and the Maximus VIII Extreme (M8E).

I’ve known some readers to dismiss the car analogy, just because building a computer is different, especially when building a PC is modular whereas a car is purchased pre-built. Typically the Extreme models of ASUS’ ROG line sell rather well with system integrators in pre-built systems who will often pair a selected processor binned for high frequency and water cooling: users buying these systems are not necessarily worrying too much about cost, but are wanting the halo product and pushing it to the limit.

The ASUS Maximus VIII Extreme Review: The Other $500 Option

The M8E testing came at an interesting time in our workflow. Having just reviewed the main competition, it was clear that the M8E and Gaming G1 were trading blows with some features: for example, there is no PLX8747 chip on the M8E for tri-SLI support, but it does come with the now perennial OC Panel and tri-stream (3T3R) dual band Wi-Fi. The ASUS comes with a U.2 port, M.2 slot and four USB 3.1 ports, whereas the GIGABYTE gets HDMI 2.0, dual USB 3.1 and dual M.2 slots. The ASUS has custom TPU/EPU chips and an ESS audio DAC, whereas the GIGABYTE has PCIe guard plates and a Creative Core 3D codec and a Burr Brown OPA2132 OP-AMP. ASUS uses an Intel I219-V network port with LANGuard, the GIGABYTE gets dual Killer network points. Both systems are validated with Thunderbolt 3 support. It really does get interesting in the high-end battle as to which features matter the most and who executes the best.

For aesthetics, the M8E moves away from the garish red and black, using a modern grey/black combination using red accents. The use of a rear-IO/audio guard stretching around the motherboard and over the power delivery certainly gives it a feel of bulk, along with the full-length PCIe slots, a U.2 port, and extra ASUS specific hardware features. There’s an RGB LED in the large chipset heatsink for the ROG logo, allowing for some customization.

For performance, we take it in two chunks. For CPU/GPU performance, the use of MultiCore Turbo by default puts the M8E in line with other MCT enabled motherboards. However on the system performance metrics, the M8E breaks some records. DPC Latency sits at 20 microseconds, and is our new record holder (the Maximus VIII Impact had that honor up until now, with 49 microseconds). The audio dynamic range is also top of the charts, and our stripped POST times are top three. Power consumption is mid-range, as is USB performance. But those new DPC and SNR records are hard to ignore, typically coming from optimized firmware, hardware and trace routing.

The ASUS Maximus VIII Extreme Review: The Other $500 Option

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ASUS also still holds a number of cards on the BIOS/Software front, using features like Sonic Stage, a new version of GameFirst IV to allow multi-gate teaming (aka sending data down specific pipes), Keybot, RAMDisk, Sonic Radar, a new PC Cleaner we saw with the Impact, and SSD Secure Erase. AI Suite still remains the centerpiece for Windows software. There is still room for improvement here, especially with the update software.

There are a lot of positive things about the Maximus VIII Extreme, and the typical idioms that surround a $500 motherboard still apply: if a user is in this market, will they use all the features it has to offer? ASUS talks more about its active feature-set (features you interact with) more than the passive features (power delivery, DRAM T-Topology) which are part of the underlying design, because users buy on features. ASUS has argued that the Extreme is for the extreme users who do want everything, and that extra few percentage points of performance. Through our testing, it certainly earns top spot in some important benchmarks.

For our M8E overclocking under BIOS 1101, there are two levels defined by the TPU as well as a Gamers’ OC option in the BIOS. All three of these worked, and gave a good indication of where our manual overclocks should go. One of the main advertised features of the Extreme is going to be the overclockability, especially for extreme users wanting to push memory and processor frequency under liquid nitrogen. ASUS employs several well respected extreme overclockers and former world record holders as part of their ROG design team, allowing designs to be iterated over for better performance. While we don’t test with liquid nitrogen for reviews, our main indication here is trying to get a higher frequency for less voltage, temperature or power.

Methodology

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Our standard overclocking methodology is as follows. We select the automatic overclock options and test for stability with PovRay and OCCT to simulate high-end workloads. These stability tests aim to catch any immediate causes for memory or CPU errors.

For manual overclocks, based on the information gathered from previous testing, starts off at a nominal voltage and CPU multiplier, and the multiplier is increased until the stability tests are failed. The CPU voltage is increased gradually until the stability tests are passed, and the process repeated until the motherboard reduces the multiplier automatically (due to safety protocol) or the CPU temperature reaches a stupidly high level (100ºC+). Our test bed is not in a case, which should push overclocks higher with fresher (cooler) air.

Overclock Results

The ASUS Maximus VIII Extreme Review: The Other $500 Option

Both the TPU L1 and Gamer’s OC presets gave a CPU multiplier staggered based on CPU loading, with the latter pushing up to 4.8 GHz on a single thread meaning a high voltage was needed. Interestingly TPU L1 actually decreases performance in our POV-Ray benchmark due to four-core loading being set to 4.1 GHz, whereas at stock settings the CPU implements multi-core turbo, giving 4.2 GHz on all cores. This makes our TPU L1 test more of a declock for fully-threaded workloads.

In our manual overclocks, the Level 7 load line calibration pushed the load voltage above our setting, meaning that the 4.8 GHz stable frequency was sitting at a toasty 1.536 volts. OCCT’s reading software was not much help for quantitative temperature readings, but qualitatively it shows that setting your own voltage for even 4.3 GHz pushes the temperature down from stock frequencies (4.2 GHz).

Compared to the Z170X-Gaming G1, technically the ASUS board hit 4.8 GHz when the GB motherboard only hit 4.7 GHz on the same processor, but this is mainly down to voltage: even at a high LLC, the other motherboard was not applying the full voltage (1.396 volts for 4.7 GHz despite the 1.425 volts setting). At 1.5 volts we were seeing very high temperatures (90C+), meaning that more extreme cooling would be needed to go further. But the M8E applies LLC more aggressively in comparison of the two.

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Source: anandtech.com

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10 thoughts on “ASUS Maximus VIII Extreme Review: The Other $500 Option

  1. I would have to agree, unless you are a hardcore overclocker. For those interested in hugely powerful graphics setups, this doesn't really cut it (dual GPU SLI only). For those who want huge storage arrays, this doesn't cut it either (half dozen SATA ports). Those interested in liquid nitrogen overclocks and need those last few mhz would find a use for it though…

  2. Well if you dump a grand on an extreme processor and not half a grand on a board you could get 8 cores that OC up to the same as the K series parts. Double the threaded performance but same single threaded performance.

  3. The processors that work with Z170 have a newer architecture and better performance per-core, while X99 can support processors with more cores (and tons of memory), but generally less per-core performance.It depends on what you need. Gaming, for example, still has trouble scaling even to four cores and can benefit quite a bit from more per-core performance. That said, spending $500 on a motherboard (X99 or Z170) is something I'll never understand.

  4. Medical business is a different animal. The standards and certifications they have to meet/pass means even the basic functions must be implemented in a different (more expensive) way. Things that are acceptable on a consumer product might be totally unacceptable on a medical one where a BSOD might actually involve a death ;).The NB functions were integrated into the CPU but then again motherboards didn't always have 2 NICs, WiFi, tricked up audio, bundled OC panels, etc. And don't forget about the 80/20 rule. You get 80% or results with 20% of the cost but then hang on to your sit because the cherry on top comes at a price. Optimizing the board layout and traces costs and if you want it you'll have to dish out the $500. It's always been the same, the closer you get to the top the quicker the costs pile up.I for one would never buy ROG again. Half of the stuff it offers is just wasted on me and I considered most features to be overkill and wasteful. I realized that after I started using (or not using) them. But then again there's always a market for this so why not? :)

  5. your paying for the software on most of this high dollar hardware stuff. i know you are probably no interested in that stuff, but asus see's it differently. their magins will always be more than Asrock, so they have to differentiate somehow.Medical equipment is notoriously overpriced for what it is, but it uses custom software that nobody else makes, so they can get away with jacking up the price 2000% over the bill of materials.

  6. You don't want to see the BOM of a $500 non server board.

  7. I was thinking that same thing. Why are motherboards going up so much in cost when the Processors have taken over most if not all of what used to be the Northbridge functions?If anything the motherboards should be worth less than they were before because for the most part, they aren't providing as much functionality. Granted, some have better voltage control and over-clocking capability, but that shouldn't add much to the cost comparatively. And this isn't the enthusiast lineup either. Not sure what these companies expect.

  8. Lot of talking up the gigabyte 4 way SLI, which was never even tested… As a reviewer wouldn't you wonder if it even works? Curious about the performance? Isn't that the whole reason for this website? To see how the latest and greatest tech performs? Anyways 500 bucks. Nah.

  9. This board does make sense for people who need a set of high end features that precludes any other boards, but that's few and far between.

  10. At that price point you really should be considering an X99-platform system. You're scraping the bottom of the barrel when it comes to diminishing returns.

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