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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

  • Product nameCore i7-3770
  • CPU coresQuad-Core
  • CPU socketLGA 1155
  • TDP rating77 W
  • Processor classDesktop
  • Processor codenameIvy Bridge
  • 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.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $44.99
Cheaper than about 88% of the 494 comparable items (median $149.99).
TDP rating 77 W
Lower than about 56% of the 320 comparable items (median 95 W).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameIntel
Product lineCore i7 3rd Gen
Model nameCM8063701211600
Product nameCore i7-3770
Performance
Working frequency3.4 GHz (3.9 GHz Turbo)
Processor
CPU coresQuad-Core
CPU socketLGA 1155
TDP rating77 W
Processor classDesktop
Processor codenameIvy Bridge
Level 2 cache4 × 256 KB
Level 3 cache8 MB
Process node22 nm
Virtualization supportYes
Memory
Supported memory speedDual-channel DDR3 Memory Controller supports DDR3-1333 and DDR3-1600 memory
Graphics
Built-in graphicsIntel HD Graphics 4000
GPU base clock650 MHz
Graphics max dynamic frequency1.15 GHz
More details
DMI5 GT/s

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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