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[Vortez] GIGABYTE Z77X-UP5TH Review - Page 3

post #21 of 28
Prefer the look of my Z77-UD5H tbh...
post #22 of 28
Quote:
Originally Posted by Michalius View Post

Why does the inclusion of a port prevent you from buying it?
They might have included LPT and COM ports for Christ's sake, why stop on VGA. The reason is simple: I don't want to see VGA port on my PC anymore.
post #23 of 28
you see vga because it is part of the PCH spec LPT and COM aren't. vga also known as d-sub is a failsafe video output. D-SUB isn't considered legacy by Intel.
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post #24 of 28
Quote:
Originally Posted by psyside View Post

Alot.

Any numbers or other ways to provide a comparison?
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post #25 of 28
you have 8 phases on the UP5 TH, at the same power loss of let's say 11W the IR3550 output double the current of what any discrete MOSFETs( LF-PAK and/or PowerPAK) used on modern boards can do. It would take double the phase count and double the power loss to output the same current. However power loss while the MOSFETs are on don't even form the whole picture, by reducing phase count you also increase efficiency, as there are BIG losses in efficiency when you switch on and off more components, regardless of their output, components will waste power when they turn on, and they will waste power while they are on as well.

Then you have the fact that all in one power stages like Vishay, Rensas, Infineon, and fiarchild DrMOS, Volterra and TI power stages, and these IR PowIRstages all have extremely high effieicny beucase the MOSFETs are so small and they are so close together. The driver signals are closer and thus you don't have any signal issues with them, the amount of distance current has to flow at the switch node is greatly decreased and so on, making AIO power stages very efficiency. IR3550 is rated 90% efficient at 50A, that is tremendous. Typical 50A DrMOS are 35A at 90% eff, for comparison that is huge. Also IR3550 have a specialized body design, just like the DirectFET where in the current runs through the body of either MOSFET through a giant clip that covers both the high-side and low-side MOSFET instead of going through the PCB which would increases resistance and causes losses.

But efficiency is just efficiency, IMO they prob will run about the same temperature because 12 phases is more area for the MOSFETs to be cooled over more copper as well. MOSFETs really cool into the copper, and not really into any heatsink, well copper is their first choice, but that is also why most manufacturers always have to cool the MOSFETs because they don't use a lot of copper.

But BTW your UD5H has a great VRM, there really is no reason to change boards, unless you want TB.
Edited by Sin0822 - 8/15/12 at 7:14pm
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post #26 of 28
Thanks for that. I have a few other questions too.

1. Are all the USB3 port of the back of the UP5 run on the chipset or 3rd party?

2. How does the new network card differ from the one in the UD5H?
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post #27 of 28
network is a single Intel, your UD5H has dual NIC(1 Intel 1 atheros), are you referring to the wifi or what?

On both boards the USB is done the same, they are routed through VLI810 HUB, the same hub has been used for over a year on the P67A-UD7 as well as the Maximus 4 Extreme, it isn't a new part, the only thing new and that can cause issues is that Intel USb 3.0. I see people complain all the time about USb 3.0 on all of these boards, even when they use a board and they are using the intel ports! HAHAHA, they just think they are using a hub or something, but only the UD5H and the UP5 and the Sniper 3 use the hub. I mean who would think that a controller that has been used for over 2 years is faulty, when no one complained about it in the past, just after Intel USb 3.0 was plugged into it did people start to complain. Could just be the Intel USB 3.0 which is less than 6 months old?
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post #28 of 28
Quote:
Originally Posted by Sin0822 View Post

network is a single Intel, your UD5H has dual NIC(1 Intel 1 atheros), are you referring to the wifi or what?
On both boards the USB is done the same, they are routed through VLI810 HUB, the same hub has been used for over a year on the P67A-UD7 as well as the Maximus 4 Extreme, it isn't a new part, the only thing new and that can cause issues is that Intel USb 3.0. I see people complain all the time about USb 3.0 on all of these boards, even when they use a board and they are using the intel ports! HAHAHA, they just think they are using a hub or something, but only the UD5H and the UP5 and the Sniper 3 use the hub. I mean who would think that a controller that has been used for over 2 years is faulty, when no one complained about it in the past, just after Intel USb 3.0 was plugged into it did people start to complain. Could just be the Intel USB 3.0 which is less than 6 months old?

Sorry, it was the wifi card I was meaning.

Also, does the UD5H have the front audio amplifier like the UP5 does?

Finally, what does SPDIF in do? Silly question but I might as well ask the expert here. I saw it when I was comparing the two board earlier.
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