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Square green ceramic chip with gold contact pads and silver heat spreader marked i7-3770K

Intel

Intel Core i7-3770K desktop processor LGA 1155 3.5GHz 3.9GHz turbo 77W

SKU CH-VAJ2-KGQ5V

Quad-core desktop processor with eight threads, 3.5 GHz base clock, 3.9 GHz turbo, 8 MB L3 cache, 77 W TDP and Intel HD Graphics 4000 for LGA 1155 boards

  • Processors TypeDesktop
  • NameCore i7-3770K
  • CPU Socket TypeLGA 1155
  • Core NameIvy Bridge
  • # of CoresQuad-Core
  • # of Threads8-Threads
  • Quad-core with Hyper-Threading handles eight threads for multi-tasking
  • 5 GHz base and 3.9 GHz turbo lift single-thread speed
  • 22 nm Ivy Bridge design keeps thermal power at 77 W
  • Intel HD Graphics 4000 at 650 MHz covers display output without a discrete card
  • 8 MB L3 cache plus 4 x 256 KB L2 reduces memory latency

Ivy Bridge quad-core for LGA 1155 builds

This Intel Core i7-3770K is a 22nm desktop processor with four cores and eight threads. It runs at 3.5GHz base clock and reaches 3.9GHz max turbo frequency. The 77W thermal design power suits mainstream cooling solutions. Integrated Intel HD Graphics 4000 provides display output without a discrete card.

Dual-channel DDR3 and 64-bit instruction set

The memory controller supports two channels of DDR3 RAM. The 64-bit instruction set handles modern operating systems and applications. L3 cache totals 8MB while each core holds 256KB of L2 cache. Virtualization technology is included for hardware-assisted virtual machines.

CPU only package with integrated graphics

Supplied without a retail box, the processor fits socket LGA 1155 motherboards. The on-die graphics run at 650MHz base and up to 1.15GHz max dynamic frequency. This allows a functional system for troubleshooting or light use before adding a dedicated GPU. The 77W rating keeps cooler requirements modest.

特長

  • Quad-core with Hyper-Threading handles eight threads for multi-tasking
  • 5 GHz base and 3.9 GHz turbo lift single-thread speed
  • 22 nm Ivy Bridge design keeps thermal power at 77 W
  • Intel HD Graphics 4000 at 650 MHz covers display output without a discrete card
  • 8 MB L3 cache plus 4 x 256 KB L2 reduces memory latency

仕様

BrandIntel
Processors TypeDesktop
SeriesCore i7
NameCore i7-3770K
CPU Socket TypeLGA 1155
Core NameIvy Bridge
# of CoresQuad-Core
# of Threads8-Threads
Operating Frequency3.5GHz
Max Turbo Frequency3.9GHz
L1 Cache4x256KB
L3 Cache8MB
Manufacturing Tech22nm
Instruction Set64-Bit
Hyper-Threading SupportYes
Memory TypesDDR3
Memory Channel2
Virtualization Technology SupportYes
Integrated GraphicsIntel HD Graphics 4000
Graphics Base Frequency650 MHz
Graphics Max Dynamic Frequency1.15 GHz
Thermal Design Power77W

この商品に関する質問

Should I pick the Core i7-3770K or a lower-tier Ivy Bridge model for a new LGA 1155 build?

The Core i7-3770K gives you four cores with Hyper-Threading for eight threads, a 3.5 GHz base clock, 3.9 GHz max turbo, 8 MB L3 cache and an unlocked multiplier — headroom a non-K i5 or i3 cannot match.

What does the 3.9 GHz turbo actually deliver in daily workloads?

When thermal and power headroom allow, the processor lifts a single active core to 3.9 GHz; sustained all-core loads typically sit near the 3.5 GHz base, so bursty tasks see the higher speed while heavy renders run at base.

Which memory standard does the LGA 1155 controller support and what bandwidth ceiling does it impose?

The integrated controller runs dual-channel DDR3 only; peak throughput is set by the DDR3 speed grade you install, and no other memory type fits the socket.

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