Intel Core i7-3687U

The Intel Core i7-3687U is the fastest ULV-processor for laptops based on the Ivy Bridge architecture at the time of introduction in Q1 2013. 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 2.1 GHz but can dynamically increase clock rates with Turbo Boost up to 3.1 GHz (for 2 active cores) and 3.3 GHz (for 1 active core). As its Sandy-Bridge-based predecessors, it offers a 4 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 i7-3687U is slightly above a similarly clocked Sandy Bridge processor due to the architectural improvements. Therefore, and because of the higher clock speed, the old Core i7-2677M is easily outperformed.

The integrated Intel HD Graphics 4000 offers 16 Execution Units (EUs) clocked at 350 MHz up to 1200 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.

Codename	Ivy Bridge
Series	Intel Core i7
Series: Core i7 Ivy Bridge Intel Core i7-3940XM 3 - 3.9 GHz 4 / 8  8 MB L3 Intel Core i7-3920XM 2.9 - 3.8 GHz 4 / 8  8 MB L3 Intel Core i7-3840QM 2.8 - 3.8 GHz 4 / 8  8 MB L3 Intel Core i7-3820QM 2.7 - 3.7 GHz 4 / 8  8 MB L3 Intel Core i7-3740QM 2.7 - 3.7 GHz 4 / 8  6 MB L3 Intel Core i7-3720QM 2.6 - 3.6 GHz 4 / 8  6 MB L3 Intel Core i7-3635QM 2.4 - 3.4 GHz 4 / 8  6 MB L3 Intel Core i7-3630QM 2.4 - 3.4 GHz 4 / 8  6 MB L3 Intel Core i7-3615QM 2.3 - 3.3 GHz 4 / 8  6 MB L3 Intel Core i7-3610QM 2.3 - 3.3 GHz 4 / 8  6 MB L3 Intel Core i7-3632QM 2.2 - 3.2 GHz 4 / 8  6 MB L3 Intel Core i7-3612QM 2.1 - 3.1 GHz 4 / 8  6 MB L3 Intel Core i7-3540M 3 - 3.7 GHz 2 / 4  4 MB L3 Intel Core i7-3520M 2.9 - 3.6 GHz 2 / 4  4 MB L3 Intel Core i7-3687U « 2.1 - 3.3 GHz 2 / 4  4 MB L3 Intel Core i7-3667U 2 - 3.2 GHz 2 / 4  4 MB L3 Intel Core i7-3537U 2 - 3.1 GHz 2 / 4  4 MB L3 Intel Core i7-3517U 1.9 - 3 GHz 2 / 4  4 MB L3 Intel Core i7-3689Y 1.5 - 2.6 GHz 2 / 4  4 MB L3
Clock Rate	2100 - 3300 MHz
Level 1 Cache	128 KB
Level 2 Cache	512 KB
Level 3 Cache	4 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	HD Graphics 4000 (350-1200 MHz), Turbo Boost 2.0, Hyper-Threading, Virtualization VT-x, Virtualization for Directed I/O (VT-d), Trusted Execution, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable Bit
GPU	Intel HD Graphics 4000 (350 - 1200 MHz)
64 Bit	64 Bit support
Architecture	x86
Announcement Date	01/01/2013
Product Link (external)	ark.intel.com

Benchmarks

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