Intel Z77 Motherboard Review with Ivy Bridge - ASRock, ASUS, Gigabyte, and MSI
by Ian Cutress on May 7, 2012 7:40 PM EST- Posted in
- Motherboards
- MSI
- Gigabyte
- ASRock
- Asus
- Ivy Bridge
- Z77
Power Consumption
Power consumption was tested on the system as a whole with a wall meter connected to the OCZ 1250W power supply, while in a dual 7970 GPU configuration. This power supply is Gold rated, and as I am in the UK on a 230-240 V supply, leads to ~75% efficiency > 50W, and 90%+ efficiency at 250W, which is suitable for both idle and multi-GPU loading. This method of power reading allows us to compare the power management of the UEFI and the board to supply components with power under load, and includes typical PSU losses due to efficiency. These are the real world values that consumers may expect from a typical system (minus the monitor) using this motherboard.
Perhaps the alarming graph of these is the power draw under video performance. It seems that certain motherboard BIOSes consider it a more intensive task, waking up more of the processor (or GPU) to compensate. At load however, we see the MSI and the ASRock boards drawing less power overall.
Boot Times
Different motherboards have different POST sequences before an operating system is initialized. A lot of this is dependent on the board itself, and POST boot time is determined by the controllers on board (and the sequence of how those extras are organized). As part of our testing, we are now going to look at the POST Boot Time - this is the time from pressing the ON button on the computer to when Windows starts loading. (We discount Windows loading as it is highly variable given Windows specific features.) These results are subject to human error, so please allow +/- 1 second in these results.
With a lot more controllers to initialise on board, the ASUS P8Z77-V Pro requires at default 20.47 seconds to reach the windows loading screen. By disabling controllers that aren't used, a time more like the ASRock could be achieved. There is direct correlation between functionality and POST time.
Overclocking
Here at AnandTech we want to provide quick and easy ways to determine if a board is good for you (with in-depth analysis of course). So here is a quick round up of our overclocking results. Overclocks are tested for stability with PovRay and OCCT - while these may not be the most strenuous of stability tests, it does offer a quick check for memory errors under high load (and also balances testing time with getting the next board on for review!).
|
CPU Speed (MHz) |
Voltage (Volts) |
PovRay Peak Temp (ºC) |
OCCT Peak Temp (ºC) |
Notes | |
|
ASRock Z77 Extreme4 |
4700 | 1.175 | 86 | 86 | LLC Level 1 |
|
ASUS P8Z77-V Pro |
4700 | 1.200 | 83 | 86 | PLL Overvoltage enabled |
|
Gigabyte Z77X-UD3H |
4700 | 1.200 | 82 | 86 | LLC Extreme |
|
MSI Z77A-GD65 |
4700 | 1.250 | 90 | - | PLL Overvoltage enabled |
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Jase89 - Sunday, May 19, 2013 - link
Having RAID Option ROM Supported in UEFI as well (people using RAID) is a very good thing ASRock have done with their Z77 series, wonder when Gigabyte will add this feature, http://www.youtube.com/watch?v=Y1TbdVtAE9cgramboh - Tuesday, May 8, 2012 - link
Just wanted to add that my new P8Z77-V Pro POSTS significantly faster than what Ian experienced in this review, probably due to my configuration:Intel SATA: AHCI
ASmedia USB3: on
ASmedia SATA controller: off
Wifi: off
Onboard sound: off
My total time from splash screen to Windows 7 Pro x64 login is 15 seconds on a Mushkin Chronos Deluxe 240GB. The post is about 6 seconds (hand timing these). It's unfortunately the other controllers add ~14 seconds of POST time.
IanCutress - Tuesday, May 8, 2012 - link
Hi Gramboh,Disabling ASMedia SATA, Wifi and Sound would obviously decrease POST time by quite a bit! As I doubt the majority of non-enthusiast buyers would go into the BIOS and disable what they don't need, I kept the start up sequence the same as default to reflect this.
Ian
DanNeely - Tuesday, May 8, 2012 - link
A large number of your readers are enthusiasts. Giving both sets of numbers would be beneficial for us. A per onboard device breakdown of boot time would be nice; but probably too much work to be justified.IanCutress - Tuesday, May 8, 2012 - link
I've added 'POST Quick' to my internal database of testing, with the aim to turn off all I can to observe POST times. Will be applied from the next review onwards, perhaps retroactively if I get time.Ian
AlexIsAlex - Wednesday, May 9, 2012 - link
Awesome, thank you so much!Perhaps the manufacturers will pay attention to this too :-)
Paapaa125 - Wednesday, May 9, 2012 - link
I think most Anandtech readers DO go to BIOS to set things up. I think it is crucial to know if the differences in performance (boot time, benchmarks, power consumption etc) can be minimized just by changing BIOS settings. That would make it a lot easier to buy a new board.I have seen reports that some boards don't follow the Intel specs regarding Turbo Boost settings and utilize higher frequency with all cores utilized. This skews the performance results greatly. Those following the specs get worse results - yet they could be configured for exact same performance.
dananski - Tuesday, May 8, 2012 - link
Makes me really glad to have ordered the ASRock, though I wonder how it would be affected by having RAID enabled? My GA-P35C-DS3R takes about a minute to get through POST and RAID screens.I am also confused why even the quick one is taking so long. My laptops take less than 5 secs to POST :/
EnzoFX - Monday, May 7, 2012 - link
ATX just seems like it's for bragging rights, and not even directly so, simply because you'll be able to say you have so many things connected, maybe you even have tri or quad SLI, all in a huge case. Can we get some coverage of mATX boards?On another note, something that drives me nuts is the AHCI driver loading at POST. Last time I checked I couldn't find a straight answer, does this loading stage still happen in ivy bridge? Of course you don't have to use AHCI, but it really should be standard and enabled by default. At least for anyone spending this much on a motherboard.
EnzoFX - Monday, May 7, 2012 - link
"Conclusion – Gigabyte MSI Z77A-GD65"One more rant lol. Is having all 4 video outputs really a feature? Is this not targeted at people who will be using their own graphics card? In which case they only serve to use up space that could be used towards USB ports or something else that's almost as useful. Remember before P55, 10 usb ports were starting to be the average on a feature filled board, now we have to settle for 6-8. Unless you want to spend top dollar for more.