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
LAN Speed Test
LAN Speed Test is a freeware program designed for testing the network connection between two PCs on a home network. The speed of the transfer is limited by the lowest common denominator on the network, so if you have gigabit Ethernet capable computers but a 100 Mbit capable router, you are limited to 100 Mbit transfer. Note that this is really a formality – if a network port is rated at 1 Gbps, then chances are that it might hit at least 90+% of this value. The main test here is CPU usage, and how much is offloaded by the controller. For this test, we use LAN Speed Test to transfer a 1000 x 1 MB files across a home network with a 1 Gbps lowest common speed to the same machine each time, in a read/write scenario. Results are taken as peak speeds from several runs.
USB Speed
For this benchmark, we run CrystalDiskMark to determine the ideal sequential read and write speeds for the USB port using our 240 GB OCZ Vertex3 SSD with a SATA 6 Gbps to USB 3.0 converter. Then we transfer a set size of files from the SSD to the USB drive using DiskBench, which monitors the time taken to transfer. The files transferred are a 1.52 GB set of 2867 files across 320 folders – 95% of these files are small typical website files, and the rest (90% of the size) are the videos used in the Sorenson Squeeze test.
Due to the lack of Gigabyte USB 2.0 back panel ports, no results for the Gigabyte board were able to be fairly taken. In comparison, the XFast result from ASRock seems to speed ahead of the others.
As this test deals with incompressible data at a Queue Depth of 1, UASP makes a difference in read but not in write. The adaptations performed by XFast are clear to see at this level.
SATA Testing
We also use CrystalDiskMark for SATA port testing on a C300 drive. The sequential test (incompressible data) is run at the 5 x 1000 MB level. This test probes the efficiency of the data delivery system between the chipset and the drive, or in the case of additional SATA ports provided by a third party controller, the efficiency between the controller, the chipset and the drive.
The MSI board seems to come out last in all our SATA testing.
DPC Latency
Deferred Procedure Call latency is a way in which Windows handles interrupt servicing. In order to wait for a processor to acknowledge the request, the system will queue all interrupt requests by priority. Critical interrupts will be handled as soon as possible, whereas lesser priority requests, such as audio, will be further down the line. Therefore, if the audio device requires data, it will have to wait until the request is processed before the buffer is filled. If the device drivers of higher priority components in a system are poorly implemented, this can cause delays in request scheduling and process time, resulting in an empty audio buffer – this leads to characteristic audible pauses, pops and clicks. Having a bigger buffer and correctly implemented system drivers obviously helps in this regard. The DPC latency checker measures how much time is processing DPCs from driver invocation – the lower the value will result in better audio transfer at smaller buffer sizes. Results are measured in microseconds and taken as the peak latency while cycling through a series of short HD videos - less than 500 microseconds usually gets the green light, but the lower the better.
All the motherboards using Ivy Bridge chips do particularly well in our DPC test (as you would expect), with all boards coming in at under a very respectable 120 microseconds. The ASUS goes one step further with our lowest DPC score ever at 60 microseconds.
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SnowKing - Tuesday, May 8, 2012 - link
I think you are confusing bits per second vs. bytes per second. Do not be alarmed, that is the gimmick of Ethernet.10 mbps (megabits per second) = 1.25 MBps (megabytes per second)
100 mbps (megabits per second) = 12.5 MBps (megabytes per second)
1 gbps (gigabits per second) = 125 MBps (megabytes per second)
If you want 1 GBps, you will need an 8 gbps connector i.e. (10gbps nic)...and good luck with that.
Unit Converter
http://www.numion.com/calculators/units.html
repoman27 - Tuesday, May 8, 2012 - link
theSeb's (and originally adrien's) point here is that the chart for LAN speeds erroneously list MBps instead of Mbps.HollyDOL - Wednesday, May 9, 2012 - link
Transfer speed is always measured in bps (bits per second).Latin prefixes for kilo-Mega-Giga etc. signify 10^3,10^6 etc. bits
Capacity volume is always measured in B (bytes).
Latin prefixes for kilo-Mega-Giga etc. signify 2^10, 2^20 etc. Bytes (ie. 1kB = 1024 Bytes) according to old school rules.
According to new customs kilo-Mega-Giga signify 10^3,10^6 etc. Bytes, prefixes kB, MB, GB, while alternate prefixes kiB,MiB,GiB signify 2^10,2^20... Bytes. Data storage capacity uses new style kB,MB,GB,TB for long years since it makes their drives look bigger, while on hardware and OS level you are much more likely to see units based on power of two since it is much more natural for binary computer.
Basically 10Mbps = 1.25MB/s is completely wrong... 10Mbps = 10,000,000bps = 1,250,000 B/s = 1.192 MB/s
1TB (new style or storage device manufacturers) = 931,32GiB
Schafdog - Tuesday, May 8, 2012 - link
What is draw of power from GPUs?IanCutress - Tuesday, May 8, 2012 - link
The 7970s should Idle at approx 3W or less each.gorg_graggel - Tuesday, May 8, 2012 - link
the current asus lineup seems to have problems with memory configs that consist of 8GB dimms...their list of supported memory modules seems to be made for multiple boards...it contains configurations for e.g. 6x4gb for boards that have only 4 slots...so i guess it`s not only a problem with my board...
i got myself a sabertooth z77 and a pair of corsair 1600mhz 8gb dimms. no matter how conservative i set the timings the board won`t boot at 1600mhz and freeze after some time at 1333mhz (spd or xmp don`t work either). i can only get them stable at 1066mhz. a single dimm runs fine at the specified clocks and timings.
could you spare some time and test the boards with a 1600mhz config with 2 8gb dimms? or even with 4 of those? no underclocking of higher specced dimms, as there is a 2x8gb@1866mhz config in the list...
would be interesting to know if all those boards had problems with ivy brigde`s max specified dram clocks...
i guess it will be fixed in a future bios update, but maybe beeing pointed out by a respected site, they are gonna hurry it up a bit...i mean c`mon 1600mhz rams at 1066mhz? seriously...
gorg_graggel - Monday, May 14, 2012 - link
so, i got myself another pair of 8gb dimms...g.skill ripjaws 1600mhz, cl10...
those worked from the get go...also not on ovl list...
the latest bios (1015) made the corsair dimms work better @1333mhz (no more freezing), but still no 1600 (for which they are specified)...
so if you plan to get 8gb 1600mhz dimms for your asus board, steer clear from corsair vengeance low profile dimms...at least until the bios has matured some more...
Luay - Tuesday, May 8, 2012 - link
The $225 Asus V Pro has the Realtek ALC892 audio chipset while the $148 Asrock Extreme4 has the 898! Not everyone wants or can install a sound card so what are they thinking?GIGABYTE GA-Z77X-UD5H-WB Has wireless, 898 audio chip and a third PCI-E 3.0 slot for $219. That's a good reason to pay an extra $70 over the Asrock Extreme4 as I don't really care about auto-over-clocking.
Only Asrock at budget and Gigabyte at mid-end are in it to win it. Not enough high-end boards to tell who won there.
I am shocked by what Asus put on the table but I might be missing something here.
blacksun1234 - Tuesday, May 8, 2012 - link
Gigabyte's third PCI-E 3.0 slot cannot work if CPU BCLK OC only 1MHz to 101MHz. It is buggy M/B. Don't buy it.blacksun1234 - Tuesday, May 8, 2012 - link
I mean GIGABYTE GA-Z77X-UD5H-WB . GA-Z77X-UD3H is Ok for 3rd PCI-E 2.0.