Five Z87 Motherboards Under $220, Reviewed
Intel’s Haswell architecture displaces Ivy Bridge in its desktop line-up, bringing with it yet another new CPU interface. We tested six motherboards that claimed to be ready for your overclocking efforts, and included the five survivors in today’s review.
Z87H3-A2X Extreme Firmware
ECS’s overclocking options are fairly limited, though the Z87H2-A2X Extreme does access many of Haswell’s new features. Its M.I.B. X menu opens to a simple list of submenus and a few system stats.
The Z87H3-A2X Extreme doesn’t manipulate Intel Turbo Boost to create a fixed ratio, but instead allows users to pick the highest boost ratio. As a result, our 4.5 GHz overclock dropped to 4.3 GHz when four cores were highly taxed, regardless of other settings.
My chosen 1.300 V core came easily from the M.I.B. X Over Voltage submenu, but I was a little disturbed to find DRAM voltage 40 mV above the setting I intended. I was even more disturbed to see that the board only reported it as 14 mV higher.
Should I mention that ECS was shooting for a top DRAM overclock? It got there using the 1.61 V setting to achieve a true 1.65 volts and a 3,050 MT/s data rate.
This version of Z87H3-A2X Extreme firmware appears unaware of Intel’s 22x133 max memory ratio, though jumping directly from our memory’s XMP-3000 profile to “Manual” mode caused it to keep that profile’s timings as we dropped from the non-functional 30x100 ratio.
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Someone Somewhere Who did you get the CPU from? Given the Haswell launch article said they were unlikely to be able to hit 4.5GHz+, is this a cherry-picked chip from Intel?Reply
Could we see some MBs around the $130-$140 mark? They're the interesting ones IMO, and would toast most of these in terms of value. -
Crashman
Intel says it doesn't cherry-pick chips for reviewers...10911132 said:Who did you get the CPU from? Given the Haswell launch article said they were unlikely to be able to hit 4.5GHz+, is this a cherry-picked chip from Intel?
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Memnarchon Thank you. I was looking forward for a review like this. I read some reviews and the o/c was varying from mobo to mobo lot. So if the same cpu was used, 4,3Ghz to 4,7Ghz is a lot of difference. Because if your cpu would o/c to 4,3Ghz most we would tell its a crap sample Haswell sucks on o/c etc etc, but if it was be able to clock to 4,7Ghz we would say its a nice sample.Reply -
cangelini
Yes, the CPU comes from Intel. Almost certainly it was cherry-picked. But this is why we didn't rely on these CPUs for our launch coverage--it makes a lot more sense to go to a source with hundreds of boxed processors on the bench to get a real sense for what Haswell will do in the wild. At least for this round-up, the variable changing is the motherboard. So, we derive as much meaning as possible with a review sample that hits 4.7 GHz on one board and 4.5 GHz on another.10911132 said:Who did you get the CPU from? Given the Haswell launch article said they were unlikely to be able to hit 4.5GHz+, is this a cherry-picked chip from Intel?
Could we see some MBs around the $130-$140 mark? They're the interesting ones IMO, and would toast most of these in terms of value.
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Someone Somewhere Yeah - but if people think that their chip is going to hit 4.7 on a good board, then find they can't get 4.5, they can be upset.Reply
OTOH, the launch coverage said that was at 1.2V, while this is 1.3V, so I guess a few hundred MHz extra is reasonable.
Lot more variation than on IB's review: http://media.bestofmicro.com/X/O/335580/original/image019.png -
JOSHSKORN Isn't there a flaw in the Z87 technology regarding sleep mode? Was it mentioned in the article? I didn't see it.Reply -
Jason Louie do these board suffer from the rumoured usb3 sleep issue? or are they the fixed B3 steppings ?Reply -
Crashman
Did you read the Haswell review? All current boards are affected, no future boards will be, there's nothing to update here, and the flaw is virtually meaningless.10911218 said:Isn't there a flaw in the Z87 technology regarding sleep mode? Was it mentioned in the article? I didn't see it.
http://www.tomshardware.com/reviews/core-i7-4770k-haswell-review,3521-9.html
If you have one of the affected drives and can't be bothered to reconnect it when it goes offline, wait a couple weeks and buy a board from the new batch.
The differences between boards in today's review are overclocking, power consumption, and onboard features. None of those things will change with the new PCH batch, and firmware updates should improve both batches equally.
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Jason Louie do these board suffer from the rumoured usb3 sleep issue? or are they the fixed B3 steppings ?Reply -
sna Hello,Reply
Can you guys please test 6 SSD in Raid 0 on these mobos ? this is the only Advantage of upgrading to a Haswell over ivy/sandy bridge.