Diffrence between Core3, Core i5 and Core i7

Core i3	Core i5	Core i7
Intel® Trusted Execution Technology             No	Intel® Trusted Execution Technology provides hardware-based mechanisms that help protect against software-based attacks and protects the confidentiality and integrity of data stored or created on the client PC.	Intel® Trusted Execution Technology             No
Hyper-Threading Technology (Intel® HT Technology),¹ which enables each core of your processor to work on two tasks at the same time, delivering the performance you need for smart multitasking.	Hyper-Threading Technology	Hyper-Threading Technology
Max Memory Size (dependent on memory type)-16 GB Memory Types DDR3-1066/1333	Max Memory Size (dependent on memory type)-16 GB Memory Types-DDR3-1066/1333	Max Memory Size (dependent on memory type)-32 GB Memory Types-DDR3-1600
Smart Cache is shared cache dynamically allocated to each processor core, based on workload. This efficient, dual-core-optimized implementation increases the probability that each core can access data from the fast cache, significantly reducing latency to frequently used data and improving performance. Smart Cache             3 MB	Smart Cache 3 MB	Smart Cache             12 MB
No Turbo Boost Technology	Turbo Boost Technology 2.0	Turbo Boost Technology 2.0
Virtualization Technology (VT-x)  Increasing manageability, security, and flexibility in IT environments, virtualization technologies like hardware-assisted Technology combined with software-based virtualization solutions provide maximum system utilization by consolidating multiple environments into a single server or PC	Virtualization Technology (VT-x)	Virtualization Technology (VT-x)

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