Intel Core i7. What is architecture • Architecture is s

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Intel Core i7

What is architecture
• Architecture is specification of functionality of
the hardware and its programmer visible
interface.
– Backward compatibility must be maintained
– To allow reuse of already developed software
codes
• Intel’s current architecture is called x86.
– Compatible with 8086 instruction set from 1980’s

Core i7
• First introduced in 2008
• Based on Nehalem Architecture
• In its 9th generation now
• Support up to 6 core design in single chip
• Completely 64 bit architecture with backward
compatibility for 32 bit architecture
• Several on Intel Technologies like
Virtualization, MMX, Over clocking etc.

I7 Logical Design
•Two-way multithreading per CPU coreOn
chip L1 and L2 cache
•On chip DRAM Memory Controller
•QPI interface for North Bridge Interface
•DMI Interface for connectivity with Q87
chipset

Physical Design
• 42mm x 28mm CPU size
• LGA 1150 Socket for mounting on boards
• 32KB L1, 256KB L2 and 12MB Cache Size L3
• 130W TDP Limits
• Approx 731 Million Transistors
• 45-14nm technology

Each Single Core
• 64 bit Registers
• Supports Hyper-threading
– Each core can have up to two threads
• Independent L1 and L2 cache
– Shared L3 Cache
• Current 9th gen supports 4.30 GHz to 4.90GHz
in Turbo Mode

DDR Main Memory
• DDR3 interface for DRAM on Low Power
• Supports DDR4 extension in later generations
• DDR4-2666, LPDDR3-2133
• Up to 128GB of memory support
• With Maximum Transfer Bandwidth of
41.8 GB/s
• Dual channels are supported

Quick Path Interface
– Used for interconnect with high speed I/O Devices
– 16 bits per transfer
– Max Speed of 25.6GB/s in Bidirectional mode

Direct Media Interface
– Used as dedicated bus interface to connect
Northbridge(Built with ,in Processor) with Southbridge
(Slower Peripherals)
– Connects at high speed up to 8GB/s transfer rate over 4
channels

Conclusion
• With lifetime spanning over 9 Generations.
• Most effective CPU in terms of performance and
speed
• Uses SoC approach for design combining several
components with in single Die
• With wide variety of Instruction Set, it makes it
versatile for all types of usage.
• Integrated Graphic processor eliminates need of
separate Graphics card for normal tasks.