Intel
Intel
Official
WARRANTY
i7-3770K

Intel Core i7-3770K Processor 8M Cache, up to 3.90 GHz

HIGHLIGHTS
  • 4 Cores and 8 Threads with Hyper-Threading Technology
  • 3.50 GHz Base Frequency with up to 3.90 GHz Max Turbo Frequency
  • Unlocked multiplier for simplified and flexible overclocking
  • Intel HD Graphics 4000 integrated graphics solution
Reference Market Pricing
Internal Guide
🇧🇩 BDT
৳8,500
🇮🇳 INR
₹6,500
🌐 USD
$313.00

*Approximate regional retail guide prices. Pixahunt is an informational catalog.

3.50 GHz
Base Frequency
4C / 8T
Cores / Threads
FCLGA1155
Socket
8 MB Cache
Smart Cache

CPU Benchmark Scores & Performance Analysis

TESTED

Cinebench R23, Geekbench 6, PassMark CPU Mark scores & real-world gaming/office suitability tests.

Technical Specifications

Comprehensive hardware architecture and specifications

General

Series
Core i7
Model
i7-3770K
Cpu Cooler
Not Included
Code-Name
Ivy Bridge
Generation
3rd Gen
Sockets Supported
FCLGA1155
Release Date
April 29, 2012

Performance

Base Frequency
3.50 GHz
Turbo Frequency Max.
3.90 GHz
Core
4
Threads
8
CPU Cache
8 MB Intel Smart Cache
L1 Cache
64 KB per core
L2 Cache
256 KB per core
L3 Cache
8 MB shared
TDP
77 W
Lithography
22 nm
Multiplier
35.0x
Multiplier Unlocked
Yes
Processor Type.
Unlocked Flagship Desktop Processor (4 Cores, 8 Threads)
Best for: Enthusiast Overclocking, Competitive Gaming & High-Performance Content Creation

Memory Support

Memory Max.
32 GB
Memory Type
DDR3
Memory Speed
1333/1600 MT/s
Memory Channel
2
Max Memory Bandwidth
25.6 GB/s
ECC Memory Supported
No

Graphics

Built-in GPU
Yes
Processor Graphics
Intel HD Graphics 4000
Graphics Base Frequency
650 MHz
Graphics Dynamic Frequency
1.15 GHz
Graphics Core Count
N/A
Max Video Memory
N/A
Max Resolution
N/A

Technical Info

DirectX Support
11
OpenGL Support
4.0
Approx. Power Consumption
77 W
Compatible Products / Chipsets
Intel 7 Series Chipset
PCI Express Version
3.0
PCI Express Lanes
up to 1x16, 2x8, 1x8 & 2x4
Thermal Solution (MPK / Box)
N/A
Max. Operating Temperature (Tjmax)
67.4°C

Warranty

ManufacturingWarranty
N/A

Additional Info

Specialty
Intel Turbo Boost Technology 2.0, Intel Hyper-Threading Technology, Unlocked Multiplier
Others
OS Support: Windows, Linux
Country Of Origin
USA
Made in/ Assemble
Malaysia / China
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Editorial Overview & Review

In-depth insights, architecture summary, and performance evaluation

Introduction & Overview: The Crown Jewel of Its Era

When Intel launched the 3rd Generation Core processor family—codenamed Ivy Bridge—the tech landscape was shifting dramatically toward power efficiency and refined microarchitecture. At the absolute apex of this consumer lineup sat the Intel Core i7-3770K, a processor that would go on to define high-end desktop computing for years. Built on an advanced 22nm lithography process using pioneering 3D Tri-Gate transistors, the i7-3770K was targeted squarely at enthusiasts, hardcore gamers, and power users who demanded uncompromising performance. Featuring an unlocked multiplier (signified by the coveted "K" suffix), it became the undisputed darling of the overclocking community, setting a gold standard for DIY PC builds on the FCLGA1155 socket paired with Intel 7 Series chipsets.

Architecture, Performance & Key Technologies: Engineering Excellence

Under the heatspreader, the i7-3770K packs a formidable punch with 4 physical cores and 8 threads, courtesy of Intel Hyper-Threading Technology. Out of the box, it operates at a base frequency of 3.50 GHz, which dynamically scales up to 3.90 GHz via Intel Turbo Boost Technology 2.0 when heavy workloads demand extra horsepower. It is equipped with 8 MB of shared Intel Smart Cache, alongside dedicated L1 and L2 caches per core, ensuring minimal latency during intensive data retrieval.

One of the most remarkable architectural achievements of Ivy Bridge was its power efficiency. Despite packing massive compute capabilities, the processor maintained a remarkably low Thermal Design Power (TDP) of just 77 W. Furthermore, the introduction of PCI Express 3.0 support provided double the bandwidth of the previous generation, removing bottlenecks for high-end discrete graphics cards.

For graphics, the integrated Intel HD Graphics 4000 delivered competent native media processing and DirectX 11 support, running at a base frequency of 650 MHz and scaling up to 1.15 GHz. While enthusiasts would inevitably pair this chip with a dedicated GPU, the onboard graphics offered robust fallback and casual gaming utility.

Memory handling is managed via a dual-channel memory controller supporting up to 32 GB of DDR3 RAM at speeds of 1333/1600 MT/s, delivering a maximum memory bandwidth of 25.6 GB/s.

Real-World Use Cases: How It Performs

In the real world, the i7-3770K earned a reputation as an absolute workhorse. Here is how its hardware specifications translated into daily performance:

  • Gaming: Paired with a capable discrete graphics card, the i7-3770K effortlessly handled demanding AAA game titles of its era and well beyond. The 4 cores and 8 threads prevented micro-stuttering and ensured smooth frame rates, while its overclocking headroom allowed users to push clock speeds well past the stock 3.90 GHz threshold.
  • Productivity & Multitasking: Office workflows, heavy spreadsheet calculations, and intense web browsing with dozens of tabs open were handled with zero friction. Hyper-Threading shone brightly here, allowing the system to juggle background applications without missing a beat.
  • Content Creation: Video editing, photo manipulation in Adobe Creative Suite, and light 3D rendering benefited immensely from the 8 MB Smart Cache and multi-threading capabilities, cutting down render times significantly compared to standard Core i5 counterparts.

Strengths & Potential Considerations

Even the most legendary pieces of hardware have their nuances. Here is a balanced look at the i7-3770K:

  • Pros:
    • Fully unlocked multiplier for easy and rewarding overclocking.
    • Incredible energy efficiency with a modest 77 W TDP on a 22nm process.
    • Robust multi-threaded performance via Intel Hyper-Threading.
    • Introduction of native PCI Express 3.0 support for faster expansion cards.
    • Included Intel HD 4000 graphics for reliable video output and quick sync tasks.
  • Cons:
    • CPU cooler is not included in the box, requiring users to purchase aftermarket cooling solutions—especially important for overclockers.
    • Limited to DDR3 memory architecture by modern standards.
    • Maximum operating temperature (Tjmax) of 67.4°C means thermal management requires careful attention during aggressive overclocks.
    • Platform longevity is limited by the legacy FCLGA1155 socket.

Final Buying Verdict: The Legacy Icon

The Intel Core i7-3770K is more than just a piece of silicon; it is a milestone in consumer desktop processor history. It delivered a masterclass in combining high clock speeds, thermal efficiency, and overclocking freedom into a single accessible package. While modern computing has marched forward into higher core counts and DDR5 memory standards, the i7-3770K remains an iconic vintage champion. For retro-builders, budget enthusiasts tinkering with older hardware, or anyone looking to understand the golden age of CPU evolution, the i7-3770K stands out as a timeless engineering triumph that punched well above its weight class.

Official Hardware Benchmarks

OUR RATING CONSENSUS

The overall rating is based on review by our experts & industry benchmark suites

5.0
6.2
Performance Good
5.5
Memory Support Moderate
2
Graphics Moderate
6.4
Technical Good
Standardized 10.0 scale benchmark matrix
8.0+ High <8.0 Moderate

Quick Snapshot

Overall Rating
5.0 / 10
Brand
Intel
Category
Processor
Catalog Model
i7-3770K
Status
Published
Release Date
April 29, 2012
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