List of Intel LGA 771 Xeon Processors + Current Prices
This page has detailed specs and current prices for all of Intel's LGA 771 Xeon processors.
If you're planning on doing the LGA 771 to 775 MOD and want to compare LGA 771 and LGA 775 CPU prices, check out the previous link.
Table of Contents
Quad Core LGA 771 Xeon CPUs
Topics in this section
List of Quad Core Xeons
Prices are automatically updated throughout the day.
| CPU | Price (Apr 18) | Speed & Ratio | L2 Cache | FSB | TDP | Node | Codename & Socket | Stepping (sSpec) |
|---|---|---|---|---|---|---|---|---|
| $87 | 3.40 GHz 8.5x | 2 x 6 MB | 1600 | 150 W | 45nm |
| E0 (SLBBD) |
| View Sellers | ||||||||
| $50 | 3.33 GHz 10.0x | 2 x 6 MB | 1333 | 120 W | 45nm |
| E0 (SLBBF) |
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| $30 | 3.20 GHz 8.0x | 2 x 6 MB | 1600 | 120 W 150 W | 45nm |
| E0 (SLBBG) C0 (SLANZ) |
| View Sellers | ||||||||
| Sold out | 3.20 GHz 8.0x | 2 x 6 MB | 1600 | 150 W | 45nm |
| C0 (SLANY) |
| View Sellers | ||||||||
| $20 | 3.17 GHz 9.5x | 2 x 6 MB | 1333 | 120 W | 45nm |
| E0 (SLBBA) C0 (SLANP) |
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| 3.00 GHz | ||||||||
| $10 | 3.00 GHz 9.0x | 2 x 6 MB | 1333 | 120 W | 45nm |
| E0 (SLBBE) C0 (SLASB) |
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| $11 | 3.00 GHz 7.5x | 2 x 6 MB | 1600 | 80 W | 45nm |
| E0 (SLBBH) C0 (SLANR) |
| View Sellers | ||||||||
| $11 | 3.00 GHz 9.0x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBBM) C0 (SLANQ) |
| View Sellers | ||||||||
| $12 | 3.00 GHz 7.5x | 2 x 6 MB | 1600 | 120 W | 45nm |
| E0 (SLBBB) C0 (SLASA) |
| View Sellers | ||||||||
| $30 | 3.00 GHz 9.0x | 2 x 4 MB | 1333 | 150 W | 65nm |
| G0 (SLAED) B3 (SLAC3) |
| View Sellers | ||||||||
| ~ 2.83 GHz | ||||||||
| $8 | 2.83 GHz 8.5x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBBJ) C0 (SLANS) |
| View Sellers | ||||||||
| $10 | 2.80 GHz 7.0x | 2 x 6 MB | 1600 | 80 W | 45nm |
| E0 (SLBBN) C0 (SLANT) |
| View Sellers | ||||||||
| $14 | 2.83 GHz 8.5x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBC3) C0 (SLASC) |
| View Sellers | ||||||||
| 2.67 GHz | ||||||||
| $6 | 2.67 GHz 8.0x | 2 x 4 MB | 1333 | 120 W | 65nm |
| G0 (SLAEG) B3 (SLAC4) B3 (SL9YM) |
| View Sellers | ||||||||
| $6 | 2.67 GHz 8.0x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBBK) C0 (SLANU) |
| View Sellers | ||||||||
| $12 | 2.67 GHz 8.0x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBC4) C0 (SLASD) |
| View Sellers | ||||||||
| $22 | 2.67 GHz 8.0x | 2 x 6 MB | 1333 | 50 W | 45nm |
| E0 (SLBBQ) |
| View Sellers | ||||||||
| 2.50 GHz | ||||||||
| $5 | 2.50 GHz 7.5x | 2 x 3 MB | 1333 | 80 W | 45nm |
| R0 (SLBC5) M0 (SLASE) |
| View Sellers | ||||||||
| $6 | 2.50 GHz 7.5x | 2 x 6 MB | 1333 | 50 W | 45nm |
| E0 (SLBBR) C0 (SLARP) |
| View Sellers | ||||||||
| $7 | 2.50 GHz 7.5x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBBL) C0 (SLANV) |
| View Sellers | ||||||||
| 2.33 GHz | ||||||||
| $5 | 2.33 GHz 7.0x | 2 x 4 MB | 1333 | 80 W | 65nm |
| G0 (SLAEJ) B3 (SLAC5) B3 (SL9YL) |
| View Sellers | ||||||||
| $5 | 2.33 GHz 7.0x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBBC) C0 (SLANW) |
| View Sellers | ||||||||
| $5 | 2.33 GHz 7.0x | 2 x 6 MB | 1333 | 50 W | 45nm |
| E0 (SLBBS) C0 (SLAP4) |
| View Sellers | ||||||||
| 2.13 GHz | ||||||||
| $20 | 2.13 GHz 8.0x | 2 x 6 MB | 1066 | 40 W | 45nm |
| E0 (SLBBT) C0 (SLAP5) |
| View Sellers | ||||||||
| 2.00 GHz | ||||||||
| $4 | 2.00 GHz 6.0x | 2 x 4 MB | 1333 | 80 W | 65nm |
| G0 (SLAEK) B3 (SLAC7) B3 (SL9YK) |
| View Sellers | ||||||||
| $4 | 2.00 GHz 6.0x | 2 x 6 MB | 1333 | 80 W | 45nm |
| E0 (SLBBP) C0 (SLAP2) |
| View Sellers | ||||||||
| $5 | 2.00 GHz 6.0x | 2 x 4 MB | 1333 | 50 W | 65nm |
| G0 (SLAEN) |
| View Sellers | ||||||||
| 1.87 GHz | ||||||||
| $4 | 1.87 GHz 7.0x | 2 x 4 MB | 1066 | 50 W | 65nm |
| G0 (SLAEP) B3 (SLAC9) B3 (SLA4Q) |
| View Sellers | ||||||||
| $6 | 1.87 GHz 7.0x | 2 x 4 MB | 1066 | 80 W | 65nm |
| G0 (SLAEL) B3 (SLAC8) B3 (SL9MV) |
| View Sellers | ||||||||
| 1.60 GHz | ||||||||
| $3 | 1.60 GHz 6.0x | 2 x 4 MB | 1066 | 80 W | 65nm |
| G0 (SLAEM) B3 (SLACB) B3 (SL9XR) |
| View Sellers | ||||||||
| $4 | 1.60 GHz 6.0x | 2 x 4 MB | 1066 | 50 W | 65nm |
| G0 (SLAEQ) B3 (SLACA) B3 (SL9MT) |
| View Sellers | ||||||||
| Sold out | 1.60 GHz 6.0x | 2 x 4 MB | 1066 | 40 W | 65nm |
| G0 (SLAJE) |
| View Sellers | ||||||||
Key features and differences
The CPUs shown below are grouped by codename, since most CPUs with the same codename are very similar. You can find the codename for each processor in the main CPU table.
The main things to notice are that the 65nm Clovertown CPUs use an older microcarchitecture, have less L2 cache, and do not support the SSE4.1 instruction.
| Harpertown | Yorkfield-CL | Yorkfield XE | Clovertown | |
|---|---|---|---|---|
| Processor Family | Xeon | Xeon | Core 2 Extreme | Xeon |
| CPUs (where x = any digit) |
| X33x3 | QX9775 |
|
| Node | 45nm | 45nm | 45nm | 65nm |
| Microarchitecture | Penryn | Penryn | Penryn | Core |
| L2 Cache | 2 × 6 MB |
| 2 × 6 MB | 2 × 4 MB |
| Unlocked ratio (multiplier) |  | |  | |
| SSE4.1 | | | | |
| Virtualization Technology (VT-x) | | | | |
| Virtualization Technology for Directed I/O (VT-d) | | | | |
| Enhanced Intel SpeedStep Technology (EIST) | All (except E5405) | | | All (except E5310, E5335) |
| Demand Based Switching | All (except E5405, L5408) | | |
|
| Trusted Execution Technology (TXT) | | | | |
| Dual CPU Configurations | | | | |
| Die Size | 2 × 107 mm2 |
| 2 × 107 mm2 | 2 × 143 mm2 |
| Voltage | 0.85–1.35 V | 0.85–1.35 V | 0.85–1.36 V |
|
- a Clovertown voltage range exceptions: Xeon L5335 is 1.00–1.50 V and L5318 is 0.90–1.25 V.
List of CPU steppings (revisions) & CPUID information
If you're unsure what a stepping is, Intel basically creates a new stepping (or revision) whenever they make a major change to a processor. This usually fixes bugs, adds new features, reduces power consumption, or improves overclocking.
| Stepping | Node | Released | L2 Cache | CPUs | CPUID |
|---|---|---|---|---|---|
| E0 | 45nm | August 2008 | 2 x 6 MB |
| 1067A |
| C0 | 45nm | November 2007 | 2 x 6 MB |
| 10676 |
| R0 | 45nm | August 2008 |
|
| 1067A |
| M0 | 45nm | March 2008 | 2 x 3 MB |
| 10676 |
| G0 | 65nm | April 2007 | 2 x 4 MB |
| 06FB |
| B3 | 65nm | November 2006 | 2 x 4 MB |
| 06F7 |
Table of Contents
15 Responses
The most comprehensive and useful table of LGA 771 Xeons I have seen on the net.
Well done and thank you!
No problem. Glad it’s useful.
Hi Don,
I would like to ask a trivial question. I have an ancient Gigabyte 965P DS3 rev 1.0 motherboard and this one according to its CPU support list is only good for 65nm CPUs with rated TDP of 130W and FSB of 1066MHz.
Can i get a Xeon CPU with an erstwhile higher FSB say 1333MHz? the two 65nm Clovertown Xeons with FSB of 1066MHz is at best inferior to my existing Q6600 on few counts.
Regards
Hey, Eric. That motherboard supports overclocking, so you can probably overclock the FSB to 1333 (search for a core 2 quad overclocking guide for more info on how to do this). If you don’t overclock it, it’s possible the system will run the processor by default at a 1066 FSB speed, which would reduce your CPU speed to 2.4 GHz (assuming you were using the 3.0 GHz Xeon X5365).
The way the CPU speed is calculated is FSB * CPU Ratio / 4, which equals 1066 * 9 / 4 = 2.4 GHz for that processor.
Thanks for reminding Don. As a matter of fact, yes i am overclocking the said Q6600 right not. Something which i am not too sure really. I was following you guide and you said that the Xeon shouldn’t have a TDP which exceed that of CPUs supported by the motherboard.
http://i22.photobucket.com/albums/b309/happily1986/CPUSupportList_zps68122514.png
The absolute top end CPU supported by this motherboard is the QX6800 which has a wattage/TDP of 130W.
Can i really go for X5365? I would love to get it if it were OK.
Thanks
Regards
Some prebuilt computers like Dell won’t boot if you use a CPU with a TDP higher than it officially supports. However, if you have an overclocking motherboard, it probably doesn’t have this limit. Additionally, if it supports 130 W, it will probably support 150 W. Just make sure you have a good enough heatsink and fan.
Please answer this but can I put xeon e5472 inside my dell optiplex 755 tower pc specs: 8gb ram , windows 8.1 I really want to upgrade from my crappy core 2 duo
Hi Don,
I would like to ask whether my an ancient foxconn g33m02 motherboard and this one according to its CPU support list is only good for 65nm CPUs with rated TDP of 80W and FSB of 1333MHz.
Can i get a Xeon CPU X5270 on my pc?
Regards
Can I upgrade my mac pro 1,1 (2006) wit two dual core xeon cpus (stock as came out in ’06) to 2 quad core x5355 xeon cpus (2.66 Ghx each) ?
The X3380 appears to be a 3.16 GHz processor which is very similar to the X5460, except that:|
1. It’s in an LGA775 package instead of L771.
2. It’s a (slightly newer) Yorkfield design, rather than Harpertown.
3. It’s 95W TDP instead of 120W.
4. It probably doesn’t support dual processors.
5. It seems to be rare in the wild.
Oh, my bad. #1 & #2 are the same thing: Yorkfield=LGA775, and Harpertown=LGA771.
http://ark.intel.com/products/41094/Intel-Xeon-Processor-X3380-12M-Cache-3_16-GHz-1333-MHz-FSB
Hi there. I wonder if anyone can help me out. I have a ga-8i865gme-775-rh 6.6 revision motherboard that apparently can take a core 2 extreme qx6800. The equivalent xeon is the x3230 which has a kentsfield architecture and is a lga775 socket, so no modification needed. Is there a better lga771 socket xeon that I can mod for this board? Looking through your list it does not appear so as non of the architectures that are supported by the intel 865 chipset (which are: allendale, cedar mill, conroe, conroe xe, conroe l, kentsfield, prescott, presler and smithfield) seem to be listed. Will the x3230 work?
Hello, i have an Asus Striker II Extreme and i am intrested in making it work with a Xeon CPU.
I am totally new in mods and i would like some help if anybody can help me. I see this
Xeon X5482 3.20 GHz
120 W E0 (SLBBG)
150 W C0 (SLANZ)
My Mobo supports 120 W TDP but the Xeon is everywere shown as 150 W TDP.
Any help?
I have not bought enything yet….
I try to run a Xeon 3363 in Fujitsu Celsius W370, Q45 Chipset.
after Microcode update and Bios reset, the Bios Post show the Xeon 3363 correct, but the Fans running on fullspeed and Win 10 starts slow and a Bluescreen appear.
I forget to change ATA Mode to Serial ATA Mode for HD/SSD,
after that my system dont start to win 10 anymore.
Starting a Win 7 Setup DVD speed extrem slow an PC hang up.
No Idea to fix this