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Windows 7: The Sandy Bridge Review: The New Intel CPUs


03 Jan 2011   #21

Windows 7 Pro x64 SP1
 
 

I'll be picking up a 2500K as soon as they become available on Newegg/Amazon.

BTW, I'm 99% sure that's not the stock heatsink/fan included with these new CPUs.

EDIT: Here:



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03 Jan 2011   #22

Windows 7 Pro x64 SP1
 
 

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05 Jan 2011   #23

Microsoft Community Contributor Award Recipient

Windows 7 SP1, Home Premium, 64-bit
 
 

There is a good set of reviews of several Sandy Bridge processors, with benchmarks, and comparisons to other Intel and AMD processors here:

Intel Sandy Bridge Review | bit-tech.net

I was interested in power consumption. Here are the results for various processors at standard clocks and overclocked, at idle and at load.

The hardware used was:

* ATI Radeon HD 5870 graphics card (Catalyst 10.11 WHQL)
* 2TB Western Digital Caviar Black hard disk
* PC Power & Cooling Silencer 750W PSU
* Asus P8P67 Intel LGA1155 motherboard
* Asus P6TD Deluxe Intel LGA1366 motherboard
* Asus Crosshair IV Formula AMD Socket AM3 motherboard
* Gigabyte GA-H55M-UD2H Intel LGA1156 motherboard
* 4/6GB (3 x 2GB) Corsair 1,600MHz DDR3 memory (CL9)
* Titan Fenrir TTC-NK85TZ CPU cooler, except for LGA1155 systems where we use a Corsair H50 due to the incompatibility between the Fenrir and Asus P8P67 motherboard

234 watts at full load for the most expensive model (i7-2600 K) at max overclock (4.85 GHz), with a Radeon 5870. The same system at the same overclock at idle uses 81 watts.

Without the overclock (3.4 GHz) on the same system: 156 watts at load; 77 watts at idle

The less expensive i5-2400 at max overclock (3.99 GHz): 154 watts at load; 77 watts at idle

The i5-2400, without overclocking (3.1 GHz): 142 watts at load, 75 watts at idle.

Looks like a 350 or 400 watt power supply is easily enough with a single 5870 graphics card, even overclocked.


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05 Jan 2011   #24

Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
Quote   Quote: Originally Posted by pebbly View Post

The price is very good , but I think the inbuilt DRM will put a few people off
Does anyone have a decent understanding as to how intrusive the DRM is going to be? What won't I be able to do?

I've heard complaints about DRM for the last 4 or 5 years and it hasn't affected me yet.

Didn't I read that certain upper end models of Sandy Bridge will not have the DRM component?
From my understanding it'll be movie content, but whatever I can't see it being too much of an issue as Intel wouldn’t want to throttle the chip with a DRM scheme so intrusive that it puts users off from purchasing them. Talk about a step in the wrong direction for a new product launch

As for upper end chips not having DRM, that doesn't sound right nor makes sense. Why would you DRM lower end chips, but not DRM top ones? And what would you be telling content providers? Sorry, you didn't pay us enough to stop piracy at the top end

Anyways I'm interested in seeing what they have in store to the replacement for the i7-900 series chips on the 1366 sockets.
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05 Jan 2011   #25

Windows 7 Home Premium 64 bit
 
 

I tend to melacholia. I'm thinking they're gonna dump the 1366 socket. Anybody hear any different?
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05 Jan 2011   #26

Microsoft Community Contributor Award Recipient

Windows 7 SP1, Home Premium, 64-bit
 
 

JohnWillyums:

I think 1366 will be around at least through the year. New CPUs for that socket are due out in the third and fourth quarter. Nothing new on that socket till then, I guess.

Microcenter has some amazing prices on the Sandy Bridge 1155 socket CPUs beginning this Sunday. Naturally, there's no Microcenter within a 1000 miles of where I live and you can't get the great price online.

Sygnus:

I think you are right about the movie thing.

See here:



http://www.reuters.com/article/idUSTRE7020FG20110103



And see the pic below. From what I have read this is just "PAVP", which has been around on Intel chips for a while now. It is AKA "content protection" in the marketing documents for Sandy Bridge.

Here is what Wikipedia says about PAVP:

PAVP - Protect Audio Video Path (Intel Corporation)

PAVP protects the data path within a computer during video playback (e.g. Blu-ray discs). It is supported by newer chipsets (e.g. INTEL G45) and operating systems (since Windows Vista). PAVP does the video decoding in the chipset to reduce processor load.

PAVP can be configured in the BIOS. Different modes are supported:

1. Disabled
2. PAVP Lite: Reserves buffer memory for encryption of compressed video data
3. Paranoid PAVP: Reserve memory during boot which isn't seen by the Operating System. This disables Aero in Vista.


I was confused about high end chips not having it. The truth is that it is not implemented in the high end chipset. See the "content protection" row below.

The P67 chipset shows "NA". That is because the P67, which is targeted at enthusiasts, does NOT support the built-in on-processor graphics. If you have that chipset, you MUST use a discrete video card. And as I understand it from looking at that row in the table, if you use a discrete video card, you are untouched by PAVP.

But mebbe I misunderstand?

There is a lot of bitching online about those who spring for the high end chipset will not be able to use onboard graphics.


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05 Jan 2011   #27

Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
Sygnus:

I think you are right about the movie thing.

See here: http://www.reuters.com/article/idUSTRE7020FG20110103

And see the pic below. From what I have read this is just "PAVP", which has been around on Intel chips for a while now. It is AKA "content protection" in the marketing documents for Sandy Bridge.

Here is what Wikipedia says about PAVP:

PAVP - Protect Audio Video Path (Intel Corporation)

PAVP protects the data path within a computer during video playback (e.g. Blu-ray discs). It is supported by newer chipsets (e.g. INTEL G45) and operating systems (since Windows Vista). PAVP does the video decoding in the chipset to reduce processor load.
Thanks. Yeah I thougt it had something to do with movie content.

Quote   Quote: Originally Posted by ignatzatsonic View Post
Microcenter has some amazing prices on the Sandy Bridge 1155 socket CPUs beginning this Sunday. Naturally, there's no Microcenter within a 1000 miles of where I live and you can't get the great price online.
Hehe.... I just got a i7-950 from them for $229. So I won't be upgrading for awhile. even when the new chips for the 1366 or it's replacement are released.

Quote   Quote: Originally Posted by ignatzatsonic View Post
I was confused about high end chips not having it. The truth is that it is not implemented in the high end chipset. See the "content protection" row below.

The P67 chipset shows "NA". That is because the P67, which is targeted at enthusiasts, does NOT support the built-in on-processor graphics. If you have that chipset, you MUST use a discrete video card. And as I understand it from looking at that row in the table, if you use a discrete video card, you are untouched by PAVP.

But mebbe I misunderstand?
Yeah that makes perfect sense to me, especially if the high end chips don't contain graphic processors.
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05 Jan 2011   #28

Windows 7 Home Premium 64 bit
 
 

Thanks ignatz I can't see intel supporting 4 sockets for long though. Thought I'd be future proof with an i7/x58 but I doubt it.
As was, the i7 900 series were supposedly top of the tree but Sandybridge throws that out of the window. Unless they make a super Sandybridge with just one extra pin.
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05 Jan 2011   #29

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by sygnus21 View Post
Least we forget.....

Attachment 128785
To be fair, I have this same setup on a couple of different boxes, and a few have light overclocks and that cooler does the job just fine.
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05 Jan 2011   #30

Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by pparks1 View Post
Quote   Quote: Originally Posted by sygnus21 View Post
Least we forget.....

Attachment 128785
To be fair, I have this same setup on a couple of different boxes, and a few have light overclocks and that cooler does the job just fine.


True, but 99.9 percent of overclockers disapprove
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 The Sandy Bridge Review: The New Intel CPUs




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