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Intel Core i7-3770 desktop processor in LGA 1155 package with integrated heat spreader

Intel

Intel Core i7-3770 BX80637I73770 desktop processor

SKU CH-SQC1-X9H3W

Quad-core desktop processor with 3.4 GHz base clock, 3.9 GHz turbo, 8 MB L3 cache and Intel HD Graphics 4000 in an LGA 1155 package

  • Processors TypeDesktop
  • NameCore i7-3770
  • CPU Socket TypeLGA 1155
  • Core NameIvy Bridge
  • # of CoresQuad-Core
  • Operating Frequency3.4GHz (3.9GHz Turbo)
  • Quad-core 3.4 GHz base clock handles everyday workloads smoothly
  • Turbo Boost to 3.9 GHz delivers extra speed when tasks demand it
  • 8 MB L3 cache reduces latency for frequently used data
  • Intel HD Graphics 4000 provides display output without a separate card
  • 77 W TDP keeps power draw and heat moderate for standard cooling

Ivy Bridge quad-core for LGA 1155 builds

The Intel Core i7-3770 is a 22 nm quad-core desktop processor that plugs into an LGA 1155 socket. It targets owners of compatible 6-series or 7-series motherboards who need a drop-in upgrade without changing the platform.

3.4 GHz base with 3.9 GHz turbo and 8 MB L3 cache

Four cores run at 3.4 GHz and can lift to 3.9 GHz on lighter loads. The shared 8 MB L3 cache and 5 GT/s DMI link keep data flowing to the execution units during multitasking or legacy gaming workloads.

Standard LGA 1155 mounting; match cooler to 77 W TDP

The chip uses the stock LGA 1155 retention bracket so any compatible cooler screws straight down. Problems usually come from forgetting to update the motherboard BIOS for Ivy Bridge support or pairing a cooler rated below the 77 W thermal design power.

Highlights

  • Quad-core 3.4 GHz base clock handles everyday workloads smoothly
  • Turbo Boost to 3.9 GHz delivers extra speed when tasks demand it
  • 8 MB L3 cache reduces latency for frequently used data
  • Intel HD Graphics 4000 provides display output without a separate card
  • 77 W TDP keeps power draw and heat moderate for standard cooling

Specifications

BrandIntel
Processors TypeDesktop
SeriesCore i7 3rd Gen
NameCore i7-3770
ModelBX80637I73770
CPU Socket TypeLGA 1155
Core NameIvy Bridge
# of CoresQuad-Core
Operating Frequency3.4GHz (3.9GHz Turbo)
DMI5 GT/s
L2 Cache4 x 256KB
L3 Cache8MB
Manufacturing Tech22nm
Integrated Memory Controller SpeedDual-channel DDR3 Memory Controller supports DDR3-1333 and DDR3-1600 memory
Virtualization Technology SupportYes
Integrated GraphicsIntel HD Graphics 4000
Graphics Base Frequency650 MHz
Graphics Max Dynamic Frequency1.15 GHz
Thermal Design Power77W

Questions about this item

What does the 3.9 GHz turbo frequency actually deliver in everyday workloads?

The 3.9 GHz turbo activates when thermal headroom allows, giving short bursts of extra speed for single-threaded tasks such as application launch or light rendering before the 77 W limit brings clocks back toward the 3.4 GHz base.

How does the LGA 1155 socket and 5 GT/s DMI link constrain upgrade options?

LGA 1155 locks the processor to 6- and 7-series chipsets, and the 5 GT/s DMI caps total throughput between CPU and chipset, so newer storage or USB controllers cannot exceed that bandwidth.

What cooler clearance and memory slots does the 77 W Ivy Bridge quad-core require?

A standard LGA 1155 cooler rated for at least 77 W is sufficient, and the dual-channel DDR3 controller supports DDR3-1333 and DDR3-1600 modules in the motherboard's DIMM slots.

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