Ivy Bridge-E: Core i7 4960X

Published by Marc Büchel on 03.09.13
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Specifications

  i7-4960X i7-4930K i7-4820K i7-3960X
Codename Haswell Ivy Bridge Haswell Ivy Bridge
Socket LGA2011 LGA2011 LGA2011 LGA2011
Manufacturing 22 nm 22 nm 22 nm 32 nm
Transistors 1.86 Billion 1.86 Billion 1.86 Billion 2.27 Billion
Die-size 257 mm2 257 mm2 257 mm2 435 mm2
Clock 3.60 GHz (4.00 GHz Turbo) 3.40 GHz (3.90 GHz Turbo) 3.70 GHz (3.90 GHz Turbo) 3.30 GHz (Turbo 3.90 GHz)
Cores / Threads 6C / 12T 6C / 12T 4C / 8T 6C / 12T
Turbo Yes (2.0) Yes (2.0) Yes (2.0) Yes (2.0)
Bus Speed 100 MHz 100 MHz 100 MHz 100 MHz
Memory DDR3-1866 DDR3-1866 DDR3-1866 DDR3-1600
Memory controller Quad Channel QuadChannel QuadChannel Quad Channel
L1 Execution Cache 32 KByte 32 KByte 32 KByte 32 KByte
L1 Data Cache 32 KByte 32 KByte 32 KByte 32 KByte
L2 Cache 256 KByte 256 KByte 256 KByte 256 KByte
L3 Cache 15 MB shared 12 MB shared 10 MB shared 15 MB shared
TDP 130 Watt 130 Watt 130Watt 130 Watt
C1E technology Yes Yes Yes Yes
Enhanced Intel Speed Step Yes Yes Yes Yes
Virtualisation Vanderpool Vanderpool Vanderpool Vanderpool
Instruction sets MMX, SSE, SSE2, SSE3, SSE4.1, SSE4.2, AES, AVX, EM64T MMX, SSE, SSE2, SSE3, SSE4.1, SSE4.2, AES, AVX, EM64T MMX, SSE, SSE2, SSE3, SSE4.1, SSE4.2, AES, AVX, EM64T MMX, SSE, SSE2, SSE3, SSE4.2, AVX, AES, EM64T


Ivy Bridge-E



At launch Intel presents three new Ivy Bridge-E CPUs. There is a Core i7-4960X, a Core i7-4930K and a Core i7-4820K. The first is the extreme model which comes with 15 Megabyte of shared L3-Cache and an open multiplier. The 4930K ships with twelve Megabyte of cache and also an open multiplier. When it comes to the Core i7-4820K there were some more changes compared to the predecessor. Whereas the Core i7-3820 was a non-K CPU, which meant that it didn't feature an open multiplier, the 4820K will allow overclocking via multiplier. This as well as the fact, that there is a price tag of a about 300 US-Dollar makes the entry level HEDT Intel CPU the most interesting model in the new line-up. Therefore it's a pity that we haven't had this CPU for testing yet.



In direct comparison with the predecessor Sandy Bridge-E, the new Ivy Bridge-E processors die is significantly smaller. If you start searching for reasons, then you might remember, that before the launch there were lots of rumors, that said, the new Ivy Bridge-E CPU's will be based on a native hexacore design. It turns out these rumors were actually true. When Sandy Bridge-E was released about two years ago, there were quite a few people complaining that it's just a crippled Xeon CPU, where Intel deactivated parts of the cache as well as two cores. Ivy Bridge-E is not such a cripple CPU anymore, which is creating hope for overclockers, who have a tendency to believe in the golden sample. When it comes to size, and when we look at the sheer numbers, we see that the old CPU measured 435 mm2 whereas the new one is only 257mm2. Also the transistor count went down drastically from 2.26 billion to 1.86 billion.



And then there was the chipset. For end users it's basically a very good thing when a chip manufacturer such as Intel or AMD decides to not change the socket. Apparently, for obvious reasons. But still, the X79 has two issues. Already when it came out, people were complaining that two native SATA 6 Gbps ports are just not enough and apart from that there are only native USB 2.0 ports. These days, competition for Intel's X79 chipset is even tougher. With the Z87 chipset out there available in the market, there is a cheaper part, that offers native USB 3.0 ports as well as six SATA 6 Gbps ports. Looking at this circumstance from the perspective of somebody who just spent 1000 US-Dollar for a CPU and at least 300 US-Dollar for a board, to get a state of the art system, this is quite an odd situation - to put it in nice words. We would really love to see Intel further keeping the LGA2011 socket, but upgrading the X79 chipset.
Overall the only change you can find with Ivy Bridge-E is the fact, that the CPU's memory controller officially supports DDR3-1866 compared to DDR3-1600 you got with Sandy Bridge-E. Other than that no changes have been made. There are still 40 PCI-Express 3.0 lanes.


Page 1 - Introduction Page 8 - SuperPi / WPrime
Page 2 - Specifications Page 9 - WinRar
Page 3 - Test Setup Page 10 - Crysis
Page 4 - Futuremark Page 11 - Resident Evil 5
Page 5 - Cinebench Page 12 - Street Fighter 4
Page 6 - SiSoft Sandra 1 Page 13 - Power consumption
Page 7 - SiSoft Sandra 2  Page 14 - Conclusion




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Ivy Bridge-E: Core i7 4960X - CPUs Reviews - Reviews - ocaholic