Intel Core i5-3427U

The Intel Core i5-3427U is an ULV-processor for laptops based on the Ivy Bridge architecture released in Q2 2012. Due to Hyperthreading, the two cores can handle up to four threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 1.8 GHz but can dynamically increase clock rates with Turbo Boost up to 2.6 GHz (for 2 active cores) and 2.8 GHz (for 1 active core). As its Sandy-Bridge-based predecessors, it offers a 3 MB L3-Cache.

Ivy Bridge is an enhanced die shrink of the Sandy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm (versus 32nm Sandy Bridge CPUs) and are the first to introduce 3D transistors for increased energy efficiency when compared to similarly clocked Sandy Bridge processors. Other new features are integrated PCI Express 3.0 and  DDR3(L)-1600 support.

The performance of the Core i5-3427U isslightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. Therefore, overall performance is similar to the former Core i7-2677M or a Core i3-2330M.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 1150 MHz with Turbo Boost, delivering a performance comparable with an AMD Radeon HD 6620G.

The ULV-CPUs are rated at a TDP of 17 W including graphics card and memory controller.  Therefore, the CPU is suited for small laptops and ultrabooks.

Series	Intel Core i5
Codename	Ivy Bridge
Series: Core i5 Ivy Bridge	Intel Core i5-3380M 2.9 - 3.6 GHz 2 / 4 3 MB Intel Core i5-3360M 2.8 - 3.5 GHz 2 / 4 3 MB Intel Core i5-3340M 2.7 - 3.4 GHz 2 / 4 3 MB Intel Core i5-3320M 2.6 - 3.3 GHz 2 / 4 3 MB Intel Core i5-3230M 2.6 - 3.2 GHz 2 / 4 3 MB Intel Core i5-3210M 2.5 - 3.1 GHz 2 / 4 3 MB Intel Core i5-3437U 1.9 - 2.9 GHz 2 / 4 3 MB » Intel Core i5-3427U 1.8 - 2.8 GHz 2 / 4 3 MB Intel Core i5-3337U 1.8 - 2.7 GHz 2 / 4 3 MB Intel Core i5-3317U 1.7 - 2.6 GHz 2 / 4 3 MB Intel Core i5-3439Y 1.5 - 2.3 GHz 2 / 4 3 MB Intel Core i5-3339Y 1.5 - 2 GHz 2 / 4 3 MB
Clock Rate	1800 - 2800 MHz
Level 1 Cache	128 KB
Level 2 Cache	512 KB
Level 3 Cache	3 MB
Number of Cores / Threads	2 / 4
Power Consumption (TDP = Thermal Design Power)	17 Watt
Manufacturing Technology	22 nm
Max. Temperature	105 °C
Socket	BGA1023
Features	Turbo Boost 2.0, Hyper-Threading, Virtualization VT-x, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable Bit
GPU	Intel HD Graphics 4000 (350 - 1150 MHz)
64 Bit	64 Bit support
Architecture	x86
Starting Price	$225 U.S.
Announcement Date	05/01/2012
Product Link (external)	Intel Core i5 3427U

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