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Windows 7: Thunderbolt Controller 10 Times More Expensive than USB 3.0

16 Jan 2012   #1
Brink

64-bit Windows 10 Pro
 
 
Thunderbolt Controller 10 Times More Expensive than USB 3.0

Quote:
The way in which we shuttle files back and forth between our mobile devices and home PCs is changing, but changing to what? Just as the SuperSpeed USB 3.0 spec gets ready to be baked in natively to chipsets from Intel and AMD, both companies are also looking at Thunderbolt (Intel) or equivalent alternatives (AMD), but where USB 3.0 has an advantage is in cost.
Read more at:
Maximum PC | Thunderbolt Controller 10 Times More Expensive than USB 3.0


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16 Jan 2012   #2
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Nice new technologies !
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16 Jan 2012   #3
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

USB 3.0 = $1, Thunderbolt = $10, a $9 difference. While I can understand how this would make a difference to a manufacturer, I really don't understand the last sentence of the article:

Quote:
In any event, do you think a Thunderbolt port is worth paying a $10 premium for?
That makes it appear to be a significant factor for an individual's purchasing decision, but I don't see how it would tip the scales. From what I read, Thunderbolt is twice as fast as USB 3.0, and if that only cost $9 more, I have no doubt as to which I would choose...unless there is something else to consider.
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16 Jan 2012   #4
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

What would you plug into this new USB that would use the extra speed. Surly not a mouse, keyboard, printer or drive.
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16 Jan 2012   #5
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

The article talks about file transfer speed. If one had an external USB hard drive, where they kept a lot of large files like videos, Then I would think that the extra performance would be quite noticeable. My video archive is connected via eSATA2, which is okay for one or two file transfer at a time, but when I have had to transfer a large number of files simultaneously, it can be quite tedious waiting.
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16 Jan 2012   #6
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Is your hard drive able to handle those high speeds.
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16 Jan 2012   #7
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Never tried it, but I would like to. The worse that could happen is that it would bottleneck the speed. USB 3.0 max speed is 60MB/s second, so I would guess that Thunderbolt is ~120MB/s. That might push a SATA II's ability, but it shouldn't with SATA III. On my system, I wouldn't be surprised if some other component wouldn't bottleneck it.
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16 Jan 2012   #8
Phone Man

Windows 8.1 Pro w/Media Center 64bit, Windows 7 HP 64bit
 
 

Quote   Quote: Originally Posted by seekermeister View Post
Never tried it, but I would like to. The worse that could happen is that it would bottleneck the speed. USB 3.0 max speed is 60MB/s second, so I would guess that Thunderbolt is ~120MB/s. That might push a SATA II's ability, but it shouldn't with SATA III. On my system, I wouldn't be surprised if some other component wouldn't bottleneck it.
Thunderbolt is 20Gbps or 2.5GBps which is a lot faster then USB 3 and is a transport medium and can handle multiple protocols like PCIe and Display Port. It just depends of the controller chip as to what protocol can be used. Future versions will use fiber to greatly increase the speed. You can daisy chain up to 7 devices (if i recall correctly) on one cable so you could have multiple devices running different protocols on one port on you PC.

Jim
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16 Jan 2012   #9
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

It should be noted that the speeds that I post were in MBs not Mbps. I'm not sure where your numbers come from, because according to this article the max Thunderbolt speed is 10Gbps:

Quote:
Code-named Light Peak, the current copper-based generation of Thunderbolt boasts 10Gbps data transfer speeds between computers and devices--that is, twice the speed of current USB 3.0 throughput. Future iterations of the specification are expected to move from copper wire to a fiber-optic connection, which Intel has said could one day allow for throughput rates up to 100Gbps.
Up to speed with Thunderbolt (week in review) | Business Tech - CNET News
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16 Jan 2012   #10
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

You all ought to get your numbers straight, they are not correct.

The maximum USB 3.0 link speed is 5 Gb/s. The maximum throughput on USB 3.0 is 4 Gbits/s = 500 MB/s not 60 MB/s. You will probably get 400 MB/s at best in practice.

To Layback Bear - yes an USB 3.0 connected SSD or raid box can use all of that bandwidth. A single disk will run at full rate of ~120 MB/s instead of being limited to about 30 MB/s by USB 2.0, and it will be better for a portable hard drive in the end than eSATA as USB3.0 becomes ubiquitous. In addition, there are already USB3.0 jump drives available that can transfer at disk drives speeds - USB 3.0 has enabled this advancement.

EDIT: Compact flash cards now go up to 90 MB/s. USB 3.0 card readers (I have one) can read these out at full speed, which is great for Photographers with large images
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 Thunderbolt Controller 10 Times More Expensive than USB 3.0




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