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General Information about Sandy Bridge

post #1 of 6
Thread Starter 
Below, I've compiled a list of information regarding Sandy Bridge. The purpose is to place this information into one post/thread.


Prices for Sandy Bridge
2600K should be just over $300. The others should be below $300. But that depends on what they sell for.


TDP
i5 2400 up to i7 2600 are 95W


Cores
2600/2600K both have hyperthreading while others do not.


L3 Cache
2600 series have 8MB
2500 sreies have 6MB


BLK Overclocking
In general it is not recommended for Sandy Bridge. However some may get away with BLK up to 104-105. It will depend on the chip. It isn't clear if this is good for 24/7 operation though so err on the side of caution.


Ram
To use frequencies higher then 1333 MHz you need the K series. It is also suggested that if you increase core clock of the CPU you want to increase mem frequency also. For those using a "K" series SB it's good idea to get DDR3 1600 or better.


Motherboards/Chipsets
Z68 chipset uses onboard graphics + it allows for overclocking (it maybe possible to multitask both at some future date). Available in Q2 2011.
P67 chipset does not use onboard graphics but allows for decent overclocking.
H67 chipset uses onboard graphics but doesn't allow for overclocking.


Overclocking (in general)
Increase Turbo power threshold.

Increase vcore but don't exceed 1.38V. Keep it between 1.325V-1.350V max range.

Memory Voltage - Intel recommend 1.50v plus/minus 5%. This means you want ram sticks rated at 1.50V. I'm not sure about 1.65V unless many users reports no problem. It really depends on the silicon of the chip. But in theory you should be able to use 1.50V on 1.65V rated ram as they should be using newer IC's.

BLK Base Clock "Overclocking"- Strictly forbidden. Leave it at 100.

PLL Voltage - Do not exceed 1.9v

Increase the turbo multipliers.

Select a memory speed. If you have X.M.P the presets will be shown.

It is suggested to keep C1E and EIST enabled.

DON'T USE AUTO OVERCLOCKING as it might increase vcore, BLK, etc higher then recommended.

Source


Heat Sinks
Sandy Bridge uses the same mounting hole configuration as 1156. So if you are interested in getting a HSF and it doesn't specifically say 1155 but 1156 that will work just fine. However, you do want to check for clearance, etc when mounting.


Sources
Legit Review
H
Hardware Canucks
Bit-tech
Tech Reaction


EFI BIOS
Watch [ame="http://www.youtube.com/watch?v=YL1qyndwfs4&feature=player_embedded"]this video[/ame] to see what the EFI Bios looks like and it's feature arrangement.


TEMPERATURES

Temps at 5.1GHz on air:
26C, 35C, 34C, 34C idle,


Throttling
Throttling (so far) seems to occur around 90C. I will update more about this as it becomes available.


Power Consumption
The links below show that Sandy Bridge has a power consumption far less then most i7 competitors. Even though it performs on par with it.
Tech Report
Bit-tech
H


Games
Below are some reviews using the Sandy Bridge with current games.
SCII @ 1920x1200
Bad Company 2 @ 1680x1050
Civilization V @ 1920x1200
Call of Duty Black Ops @ 1680x1050
F1 2010 @ 1680x1050
Medal of Honor @ 1680x1050



Types of P67 Motherboards (not a complete list)
ASRockP67Extreme4.jpg
AsRock P67 Extreme

ASUSP8P67Deluxe.jpg
Asus P8P67

BIOSTARTP67XE.jpg
Biostar P67XE (This MB has 2 8-pin connectors).

GIGABYTEGA-P67A-UD5.jpg
Gigabyte P67A-UD5

IntelBOXDP67BG.jpg
Intel BOXDP67BG

MSIP67A-GD65.jpg
MSI P67A-GD65





This post will be updated when more information becomes available.
Edited by EastCoast - 1/11/11 at 12:33pm
post #2 of 6
That's a pretty nice sum up of Sandy Bridge.

i have a question though, if i'm not planning to OC and end up buying a i7-2600 non "K", i won't be able to use RAM speeds greater than 1333, even with a P67 chip? Are the ram ratios locked?
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I need upgrades
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Windows 7 Professional x64 SP1 ASUS VW193S Logitech EX100 LC-Power 650W 
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post #3 of 6
Made a chart of frequencies (in GHz) of the currently released Sandy Bridge processors. Might be useful info for some particularly those who don't plan on pushing their overclocks to the limit.
Code:
CPU       Stock           Turbo         |   OC + Turbo (P67 only)
                    4c   3c   2c   1c   |    4c   3c   2c   1c
                                        |
i5-2300    2.8      2.9  3.0  3.0  3.1  |    3.3  3.4  3.4  3.5
                                        |
i5-2400    3.1      3.2  3.3  3.3  3.4  |    3.6  3.7  3.7  3.8
                                        |
i5-2500    3.3      3.4  3.5  3.6  3.7  |    3.8  3.9  4.0  4.1
                                        |
i5-2500K   3.3      3.4  3.5  3.6  3.7  |    5.7  5.7  5.7  5.7
                                        |
i7-2600    3.4      3.5  3.6  3.7  3.8  |    3.9  4.0  4.1  4.2
                                        |
i7-2600K   3.4      3.5  3.6  3.7  3.8  |    5.7  5.7  5.7  5.7

Needless to say, the 5.7 on K CPU's are just theoretical maximums.
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Core i7-860 Gigabyte GA-H55N-USB3 EVGA GTX 460 1GB GDDR5 Kingston 2x4GB DDR3 1333 
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Core i7-860 Biostar TH55B HD MSI GT 240 1GB GDDR5 Kingston 2x2GB DDR3 1333 
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CPUMotherboardGraphicsRAM
Core i7-860 Gigabyte GA-H55N-USB3 EVGA GTX 460 1GB GDDR5 Kingston 2x4GB DDR3 1333 
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CPUMotherboardGraphicsRAM
Core i7-860 Biostar TH55B HD MSI GT 240 1GB GDDR5 Kingston 2x2GB DDR3 1333 
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post #4 of 6
pretty good topic thanks
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by matroska;11972502 
That's a pretty nice sum up of Sandy Bridge.

i have a question though, if i'm not planning to OC and end up buying a i7-2600 non "K", i won't be able to use RAM speeds greater than 1333, even with a P67 chip? Are the ram ratios locked?

I honestly haven't seen it locked per say. So my best suggestion (unless someone can provide pics) is that it will depend on the bios.
post #6 of 6
Any new info about ram working only at 1333MHz with 2500/2600?
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