Difference b/w Intel 4th generation and 3rd generation processors

Intel had recently announced new series of their processor, the 4th generation Intel i3, i5, i7 processors. The previous version of Intel i3, i5, i7 processors are build by 32nm microarchitecture. The new processors are build by 22nm microarchitecture, main differences in the generations is intel processors is shrinking of sizes of die in nano scaling. These 22nm 4th generation processors are codename "Haswell". On June 4th, 2013. Intel had officially announced new CPUs with 4th generation Haswell processors at Computex Taipei 2013.

UPDATED : Check out "Difference Between Intel 5th Generation and 4th Generation Processors"

Intel 4rd generation (Haswell) processor IVB-Die

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Difference between Intel 4th generation processors and 3rd generation.

Difference b/w Intel 4th generation and 3rd generation processors - Techzost blog
Difference b/w Intel 4th generation and 3rd generation processors - Techzost blog

The 3rd generation is called "Ivy Bridge," and is basically a copy of Sandy Bridge manufactured on a smaller scale, or die. However, Intel also focused on beefing up the integrated graphics in this processor. Haswell processors are based on 22nm technology support up to 4 cores / 8 threads at 2.4GHz and 6 MB last level cache boosting computing performance while enabling the latest virtualization techniques and CPU enhancements. Onboard soldered low voltage DRAM with ECC is supported for maximum reliability and optional memory expansion via an SODIMM socket extends the capacity to up to 16GB for the most demanding applications in high performance or virtualized environments. Dual channel design and memory speeds up to 1600 MT/s along with increased cache size and enhanced cache algorithms guarantee maximum memory performance and some efficiency features, faster memory controller, a improved Integrated GPU, some new instruction sets and chipset additions and supports.

[Update Youtube video is now private. url="https://www.youtube.com/watch?v=K2lnSj6-gJ4"]

What's Changed Between 3rd Gen and 4th Gen Intel® Core™ processors?

[Update Youtube video is now private. url="https://www.youtube.com/watch?v=gll9M51LGsM"]

Tech Specification of new 22nm Haswell Processors :

Product NameIntel® Core™ i7-4770S Processor (8M Cache, up to 3.90 GHz)Intel® Core™ i7-4700EQ Processor (6M Cache, up to 3.40 GHz)Intel® Core™ i7-4770TE Processor (8M Cache, up to 3.30 GHz)
Code NameHaswellHaswellHaswell

Launch DateQ2'13Q2'13Q2'13
Processor Numberi7-4770Si7-4700EQi7-4770TE
# of Cores444
# of Threads888
Clock Speed3.1 GHz2.4 GHz2.3 GHz
Max Turbo Frequency3.9 GHz3.4 GHz3.3 GHz
Cache8 MB6 MB8 MB
System Bus5 GT/s5 GT/s
# of QPI Links1
Instruction Set64-bit64-bit64-bit
Instruction Set ExtensionsSSE 4.1/4.2, AVX 2.0SSE 4.1/4.2, AVX 2.0SSE 4.1/4.2, AVX 2.0
Embedded Options AvailableYesYesYes
Lithography22nm22 nm22 nm
Max TDP65 W47 W45 W
Thermal Solution SpecificationPCG 2013CPCG 2013B
Recommended Customer PriceTRAY: $303.00
BOX : $305.00
TRAY: $378.00TRAY: $303.00

Memory Specifications
Max Memory Size (dependent on memory type)32 GB32 GB32 GB
Memory TypesDDR3-1333/1600DDR3L-1333,1600DDR3-1333/1600
# of Memory Channels222
Max Memory Bandwidth25.6 GB/s25.6 GB/s25.6 GB/s
ECC Memory SupportedNoYesNo

Graphics Specifications
Processor GraphicsYesYesYes
Graphics ModelIntel® HD Graphics 4600Intel® HD Graphics 4600Intel® HD Graphics 4600
Graphics Base Frequency350 MHz400 MHz350 MHz
Graphics Max Dynamic Frequency1.2 GHz1 GHz1 GHz
Graphics OutputeDP/DP/HDMI/VGA
Intel® Quick Sync VideoYesYesYes
Intel® InTru™ 3D TechnologyYesYesYes
Intel® Insider™YesYesYes
Intel® Wireless DisplayYesYesYes
Intel® Flexible Display Interface (Intel® FDI)YesYes
Intel® Clear Video HD TechnologyYesYesYes
# of Displays Supported333

Expansion Options
PCI Express Revision3.03.03.0
PCI Express ConfigurationsUp to 1x16, 2x8, 1x8/2x4Up to 1x16, 2x8, 1x8 2x4Up to 1x16, 2x8, 1x8 2x4
# of PCI Express Lanes161616

Package Specifications
Max CPU Configuration111
Package Size37.5mm x 37.5mm37.5mm x 32mm x 1.6mm37.5mm x 37.5mm (LGA1150)
Graphics and IMC Lithography22nm22 nm22 nm
Sockets SupportedFCLGA1150FCBGA1364FCLGA1150
Low Halogen Options AvailableSee MDDSSee MDDSSee MDDS

Advanced Technologies
Intel® Turbo Boost Technology2.02.02.0
Intel® vPro TechnologyYesYesYes
Intel® Hyper-Threading TechnologyYesYesYes
Intel® Virtualization Technology (VT-x)YesYesYes
Intel® Virtualization Technology for Directed I/O (VT-d)YesYesYes
Intel® VT-x with Extended Page Tables (EPT)YesYesYes
Intel® Trusted Execution TechnologyYesYesYes
AES New InstructionsYesYesYes
Intel® TSX-NIYesYesYes
Intel® 64YesYesYes
Intel® Anti-Theft TechnologyYesYesYes
Intel® My WiFi TechnologyYes
Idle StatesYesYesYes
Enhanced Intel SpeedStep® TechnologyYesYesYes
Thermal Monitoring TechnologiesYesYesYes
Execute Disable BitYesYesYes
Intel® Secure KeyYesYesYes
Intel® Identity Protection TechnologyYesYesYes

Motherboard built with sockets LGA 1150, rPGA 947 and BGA-1364 supports new Haswell processors.

Finally words:

Without get very technical, the primary differences for the average person are relatively small.

  • Haswell consumes very less power; such It can run a new MacBook for more than 12 hours (full day). - via

  • Slightly more processing power. On average with the same clock speeds Haswell CPUs are faster than 3rd generation CPUs.

Haswell is just perfect, Perfect computing, Perfect Battery life and Perfect inbuilt Perfect Graphics (IRIS Graphics).

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