Intel Core i7-3960X Review
Introduction
Published: 14th November 2011 | Source: Intel | Price: £790 |

Introduction
Anyone who has a passing interest in gaming knows that this years game version comes with next years date upon it. Either that or EA Sports are capable of coding in the future. But with Intel, if it's the year 2011, then it must be time to take a look at the LGA2011 we've all be waiting for. Even if the 2011 connection is merely coincidental.
Intel always work on a Tick Tock system, wherein the Tock is a major hardware revision, and the Tick is a refinement of that, normally a die shrink. Today we're looking at the Tick in the cycle, but changes are such it doesn't easily fit into either category. Sit tight, this will get technical.
To bring you swiftly up to speed, in November 2007 Intel released the first 45nm architecture, the Tick, which was the Core 2 revision. A year later we saw a huge shift in processor capabilities with the Tock of Nehalem, the original 45nm Core-i7s and also the LGA1156 i7-870, i5-760 etc. This was refined with the Tick of the Westmere die-shrink down to 32nm which we saw as both the LGA1366 i7-970, i7-980 and i7-990. The next Tock we saw was Sandy Bridge which introduced the LGA1155 socket and 32nm i7-2600Ks and the like.
That is now adjusted with a the Tick we're looking at today which, on previous form, should be a die-shrink, but it's retaining the 32nm process. It isn't retaining the LGA1155 socket either, rather introducing the LGA2011 socket. It's not even a successor to the current i7-2600K's. What it actually is is moving the high end X58 Hex-Core i7s from the Westmere range (990X etc) onto the Sandy Bridge line, here labelled the Sandy Bridge E and adding Quad Channel memory support.
Every new socket release comes with a new chipset, and the LGA2011 has the X79 chipset to keep it company, with USB 2.0 only (USB 3.0 comes via the usual NEC Chip), two SATA 6Gbp/s sockets on the chipset, and support for PCI Express 3.0. Because of this we're testing the Core i7-3860X CPU on the latest Intel DX79SI motherboard so we've got a lot to cover. 3.3GHz of Hexcore hyper-threaded goodness coming right up.
We'll try and keep it all as clear as possible. Let's start with the CPU.
Most Recent Comments
Also, 48,000 PPD
If I had money to burn i'd buy one but I think i'll hold out to see what IB-E is like.
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Wow, scoring 10 on Cinebench strait out the box is amazing, a 2500K @ 4.7ghz scores about 7.9 so that goes to show just how powerful this CPU is. Also, 48,000 PPD If I had money to burn i'd buy one but I think i'll hold out to see what IB-E is like. |
I wounder how long it will be before some these hard core guys try activate those 2 other cores and see if the succeed.
after 35min er so your camera starts going dark/light/dark/light.......
and
yer mic's commin thru with a fair bit a white noise once that starts.......
may be time for a new one.....not like it owes you anything....its make HOURS of great oc3d goodness for all of us......
thanx again
bTx
Prices of the ASUS mobos are
P9X79 Deluxe £233.79
P9X79 Pro £189.79
P9X79 Standard £183.79
Rampage IV £266.79
Sabertooth £207.79
I haven't looked up the prices for other boards only ASUS.
EDIT: motherboard prices are without 20% VAT.
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Prices are already out, it's £431.99 for the 3930K and £767.99 for the 3960X. Prices of the ASUS mobos are P9X79 Deluxe £233.79 P9X79 Pro £189.79 P9X79 Standard £183.79 Rampage IV £266.79 Sabertooth £207.79 I haven't looked up the prices for other boards only ASUS. |
I love how this chip performes. Wonder how well the benches are when it is clocked.

i7-3930K
- Core Size: 32nm
- Socket: LGA2011
- Six Core
- Frequency: 3.20GHz (3.80GHz TURBO)
- Multiplier: 32x (Upto 40x available)
- L2 Cache: 6x 256KB
- L3 Cache: 12MB
- TDP: 130W
- DOES NOT INCLUDE COOLER
- 3yr Warranty
i7 3960X
- Core Size: 32nm
- Socket: LGA2011
- Six Core
- Frequency: 3.30GHz (3.90GHz TURBO)
- Multiplier: 33x (Unlocked Multiplier)
- L2 Cache: 6x 256KB
- L3 Cache: 15MB
- TDP: 130W
- DOES NOT INCLUDE COOLER
- 3yr Warranty
The differences seem minimal to me, so why is the price difference so large. Will the 3960X clock higher or what?
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The highest end chip is always the most expensive, despite not giving that much more. Also aria's dates slipped from 18th --> 29th so I'm probably going to hope scan or somebody else can provide. Aria are definitely the best for the motherboards as far as I can tell though. |
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The specs for the 3930k and 3960X are very similar so I don't understand why the 3960X costs so much more. i7-3930K - Core Size: 32nm - Socket: LGA2011 - Six Core - Frequency: 3.20GHz (3.80GHz TURBO) - Multiplier: 32x (Upto 40x available) - L2 Cache: 6x 256KB - L3 Cache: 12MB - TDP: 130W - DOES NOT INCLUDE COOLER - 3yr Warranty i7 3960X - Core Size: 32nm - Socket: LGA2011 - Six Core - Frequency: 3.30GHz (3.90GHz TURBO) - Multiplier: 33x (Unlocked Multiplier) - L2 Cache: 6x 256KB - L3 Cache: 15MB - TDP: 130W - DOES NOT INCLUDE COOLER - 3yr Warranty The differences seem minimal to me, so why is the price difference so large. Will the 3960X clock higher or what? |
Im getting the K model myself.
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Yes its not worth it. Though, i dont blame those who will spend money on it. Intel have done this for a long time now Im getting the K model myself. |
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Yep, the K model is the much better option. I've read a few other reviews and they perform identically on most tests when OC'd to the same level |
Do you know what 24/7 vcore they suggest using?
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so 32% more performance for £500 more monies... hmmm so thats like paying £15 for a 1% increase in performance |
Oh thats nice. Cheers for the info.
it eats everything AMD has to offer for breakfast on consumer level.
be interesting to see if it beats the new 16 core AMD server chip based on bulldozer.
think it would tbh but still will be good to see if AMD can beat intel chips on at least one section of the market
I read that the C1 stepping have a few issues that might be fixed in next batch, so il think il wait a bit and see what will happend. Also, the IB-E is launched Q4 2012, and it is compatible with X79 MB.
Correct me if im wrong. the 8 core SB-E is only for servers?
Why no quick sync on the SB-E?
The reason there is no quick sync on SB-E is because they don't have the integrated graphics processor like SB, the IGP is used for quick sync.
I'm not sure about the IB-E news about them being compatible with X79 and the 2011 socket. They probably will be but i'm betting IB-E will have a new chipset when it's released, so even though they might be compatible with the X79 chipset and 2011 socket it will probably just be better to wait for the new chipset for IB-E. It's the same with the desktop Ivy Bridge CPUs as well, they are compatible with P67 and Z68 (gen 3 motherbaoards anyway) but Intel are releasing new motherboards with a new Z77 chipset when Ivy Bridge is released.
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The 8 cores are the Xeons, they are mainly for severs and aren't really designed for desktop use they are designed for use in dual configuration on Server motherboards like the SR3. Just looked at the specs as well and these Xeons have a 150w TDP The reason there is no quick sync on SB-E is because they don't have the integrated graphics processor like SB, the IGP is used for quick sync. I'm not sure about the IB-E news about them being compatible with X79 and the 2011 socket. They probably will be but i'm betting IB-E will have a new chipset when it's released, so even though they might be compatible with the X79 chipset and 2011 socket it will probably just be better to wait for the new chipset for IB-E. It's the same with the desktop Ivy Bridge CPUs as well, they are compatible with P67 and Z68 (gen 3 motherbaoards anyway) but Intel are releasing new motherboards with a new Z77 chipset when Ivy Bridge is released. |
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Yeah that was what i thought. I didnt read the article well enough first time, so i thought it came a 8 core desktop cpu. Il grab a 3930k then, but i might wait for second batch. |


We've been waiting patiently and now LGA2011 is finally here, so we'll take a look at the range topping Core i7-3960X.
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