Template:mpu Core i7-820QM is a 64-bit x86 quad-core mobile performance microprocessor introduced by Intel late 2010. The processor has a base frequency of 1.86 GHz with a turbo frequency of 3.20 GHz and a TDP of 45 W. This MPU is based on the Clarksfield core (Nehalem) and is manufactured on Intel's 45 nm process.

Cache

Main article: Nehalem § Cache

{{cache size |l1 cache=256 KiB |l1i cache=128 KiB |l1i break=4x32 KiB |l1i desc=4-way set associative |l1i policy=write-back |l1d cache=128 KiB |l1d break=4x32 KiB |l1d desc=8-way set associative |l1d policy=write-back |l2 cache=1 MiB |l2 break=4x256 KiB |l2 desc=8-way set associative |l2 policy=write-back |l3 cache=8 MiB |l3 break=4x2 MiB |l3 desc=16-way set associative |l3 policy=write-

Memory controller

[Edit/Modify Memory Info]

	Integrated Memory Controller
	Max Type DDR3-1333 Supports ECC No Controllers 1 Channels 2 Max Bandwidth 19.87 GiB/s 20,346.88 MiB/s 21.335 GB/s 21,335.25 MB/s 0.0194 TiB/s 0.0213 TB/s Bandwidth Single 9.93 GiB/s Double 19.87 GiB/s Physical Address (PAE) 36 bit