Saturday, September 21, 2013

INTEL CORE I7-4930K REVIEW: IVY BRIDGE-E. New chess beast? Maybe.

The Intel Core i7 4930K is a hexa-core processor of the Ivy Bridge E series accompanied by 130 W thermal design power limits, sporting an impressive base speed of 3.4GHz, per core, while able to go up to 3.9GHz with Turbo Boost. The 4930K also offers 12MB of L3 cache and supports a quad-channel DDR3-1866. A rather convenient aspect of this processor is its backwards compatibility with older models of motherboards that used older Ivy Bridge E processors. The 4930K is the model that excited about last generation-i7-3930K and is best suited for multi-threaded workloads that respond well to its six cores.
The charts below demonstrate the difference between Intel Core i7-4930K and Intel Core i7-3930K most important characteristics. These features, together with an IPC (instructions per cycle) number, determine how well a CPU performs. The "Number of cores / threads" graph displays the number of cores (darker area). Lighter area on the graph corresponds to the number of additional threads, provided by Hyper-Threading technology. The "Operating frequency" chart uses dark colour to represent base frequency, while lighter area is for extra frequency, provided by Turbo feature. Darker area on the "On-chip cache" graph is for the On-chip L2 cache. Lighter area is for the L3 cache.

Here also have some difference:
Intel Core i7-3930KIntel Core i7-4930K
Core nameSandy Bridge-EIvy Bridge-E
Micro architectureSandy BridgeIvy Bridge
Technology (micron)0.0320.022
Processor Cores66
Base Clock Rate3.2 GHz3.4 GHz
Turbo Frequency3.8 GHz3.9 GHz
Clock Multiplier3234
TDP130 W130 W
PCI Express Link Speed2 GT/s8 GT/s
Shared L3 Cache12 MB12 MB
Max. Memory Data RateDDR3-1066/1333/1600DDR3-1866
Processor InterfaceLGA 2011LGA 2011

Through comparing, we learn that Intel Core i7-4930K comes with higher operating frequency than the Core i7-3930K, and a newer manufacturing process allows for a more powerful, yet cooler running processor。 So it  is best suited for multi-threaded workloads that respond well to its six cores.

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