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Square green CPU die on a rectangular green substrate with gold LGA 1155 contacts

Intel

Intel Core i7-3770 Ivy Bridge Desktop Processor OEM

SKU CH-CKPT-BZ7BJ

Quad-core desktop processor with 3.4 GHz base and 3.9 GHz turbo clocks, 8 MB L3 cache, Intel HD Graphics 4000, dual-channel DDR3-1333/1600 support and 77 W TDP 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 performance at 3.4 GHz base with 3.9 GHz Turbo
  • 8 MB L3 cache plus four 256 KB L2 caches for fast data access
  • Intel HD Graphics 4000 runs at 650 MHz base up to 1.15 GHz max dynamic
  • Dual-channel DDR3 controller supports 1333 and 1600 MHz memory
  • 22 nm Ivy Bridge design with 77 W TDP for efficient power use

Intel Core i7-3770 Quad-Core Processor

The Intel Core i7-3770 is a 22nm Ivy Bridge desktop CPU with four cores and eight threads via Hyper-Threading. It runs at a 3.4GHz base frequency and reaches 3.9GHz with Turbo Boost 2.0. The processor fits the LGA 1155 socket and includes Intel HD Graphics 4000 with a 1.15GHz maximum dynamic frequency. A 77W TDP keeps thermal demands modest for standard cooling solutions.

Upgrade From Dual-Core Or First-Gen Core i7

Moving to this quad-core part adds four threads and a larger 8MB L3 cache over dual-core or earlier quad-core chips. The jump is worthwhile when workloads benefit from parallel threads, such as video encoding, virtualization, or heavy multitasking. Official DDR3-1600 memory support and a PCI Express 3.0 controller also lift platform bandwidth compared to older 5 GT/s DMI platforms. The integrated graphics engine handles mainstream display output without a discrete card.

LGA 1155 Drop-In Installation

Installation follows the standard LGA 1155 procedure: align the notches, lower the retention lever, and attach a compatible cooler rated for 77W. The package contains the processor only, so thermal paste and a heatsink must be sourced separately. Common issues include bent socket pins on the motherboard, forgetting the auxiliary CPU power cable, or pairing the chip with a board that lacks a supporting BIOS revision for Ivy Bridge.

Highlights

  • Quad-core performance at 3.4 GHz base with 3.9 GHz Turbo
  • 8 MB L3 cache plus four 256 KB L2 caches for fast data access
  • Intel HD Graphics 4000 runs at 650 MHz base up to 1.15 GHz max dynamic
  • Dual-channel DDR3 controller supports 1333 and 1600 MHz memory
  • 22 nm Ivy Bridge design with 77 W TDP for efficient power use

Specifications

BrandIntel
Processors TypeDesktop
SeriesCore i7 3rd Gen
NameCore i7-3770
ModelCM8063701211600
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 socket and cooler clearance does the Core i7-3770 need?

The processor fits an LGA 1155 socket and has a 77 W thermal design power, so choose a cooler rated for at least that TDP and verify motherboard keep-out zones.

Which installation step is most often missed with this OEM CPU?

Because no cooler is included, many builders forget to apply thermal paste and attach a compatible heatsink before powering on the system.

What ongoing maintenance does the i7-3770 require?

Periodically clean dust from the cooler fins and fan, and reapply thermal paste if temperatures rise above normal after several years of use.

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