Comparison Intel - 1st Generation | 2nd Generation | 3rd Generation | 4th Generation

Intel | i3 | i5 | i7 |
1st Generation	2nd Generation	3rd Generation	4th Generation
Year 2008 - 2010	Year 2005, 2009, 2011	Year 2011 - 2012	Year 2013 - 2015
Nehalem	SandyBridge	Ivy Bridge	Haswell
4–12 MB L3 cache	-	32 KB data + 32 KB instruction L1 cache (4 clocks) and 256 KB L2 cache (11 clocks) per core	-
reduction in L2 cache size enlarged L3 cache that is shared among all cores.	-	Shared L3 cache includes the processor graphics	-
Hyper-threading reintroduced.	->	->	->
Up to 4 physical cores or 8 logical cores through Hyper-threading.	Up to 8 physical cores or 16 logical cores through Hyper-threading.	2 to 4 Cores	2–4 (mainstream) 6–8 (enthusiast) 2–18 (Xeon)
64 KB L1 cache per core (32 KB L1 data and 32 KB L1 instruction), and 256 KB L2 cache per core.	64-byte cache line size.	64-byte cache line size	64-byte cache line size
45nm from factor	32nm from factor	22 nm from factor	22 nm from factor
10–25% better single-threaded performance 20–100% better multithreaded performance at the same power level	15% faster than first Generation	5%-8% faster than second Generation	10% faster than third Generation   Up to 6% faster single-threaded performance.    6% faster multi-threaded performance.
-	-	10%-15% faster than first Generation	20%-25% faster than first Generation
30% lower power consumption for the same performance	consume less power	up to 50% less power consumption at the same performance level as 2-D planar transistors	Desktop variants of Haswell draw between 8% and 23% more power under load than Ivy Bridge
	battery backup is more	-	battery backup is still more
-	Improvement in Graphics performance Integration of the GMCH (integrated graphics and memory controller) and processor into a single die inside the processor package.	-	Upto to 20% performance increase in graphics over the 3rd Gen
-	Intel InTru 3D	-	-
-	Clear Video HD and WiDi 2.0	-	-
-	-	-	Native support for dual-channel DDR3 memory, with up to 32 GB
DDR3 Memory	DDR3 Memory	DDR3 Memory	DDR4 Memory Support
Integration of PCI Express and DMI into the processor		PCI Express 3.0 support	A total of 16 PCI Express 3.0 lanes on LGA 1150 variants
-	The built-in GPU has 6 or 12 execution units (EUs)	The built-in GPU has 6 or 16 execution units (EUs)	-
-	-	Intel HD Graphics with DirectX 11, OpenGL 3.1	-
-	-	Multiple 4K video playback	-
-	-	Intel Quick Sync Video version 2	-
-	-	25% to 68% increase in integrated GPU performance	-
Second-generation Intel Virtualization Technology, which introduced Extended Page Table support, virtual processor identifiers (VPIDs), and non-maskable interrupt-window exiting	-	-	-
-	A 14- to 19-stage instruction pipeline, depending on the micro-operation cache hit or miss	A 14- to 19-stage instruction pipeline, depending on the micro-operation cache hit or miss	A 14- to 19-stage instruction pipeline, depending on the micro-operation cache hit or miss
-	-	Ivy Bridge-E/EN/EP/EX Up to 12 CPU cores and 30 MB of L3 cache Up to 15 CPU cores and 37.5 MB L3 cache	-
-	-	3D tri-gate transistors	3D tri-gate transistors
-	-	-	Four versions of the integrated GPU: GT1, GT2, GT3
Voltage regulator on motherboard	Voltage regulator on motherboard	Voltage regulator on motherboard	Fully integrated voltage regulator
-	-	-	New advanced power-saving system
-	-	-	37, 47, 57 W thermal design power (TDP) mobile processors
-	-	-	18–20 cores for Xeon server cpu Xeon E5-2600 v3 & Xeon E5-1600 v3 – 18 Cores

 

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Thanks,
Sameer Naik

MCSE / MCTS

Pune (India)

Cell : 09730046246

Email - sameer.naik@live.com