i7-7740K vs i7-3770K

#ad 
Buy on Amazon
VS

Primary details

Comparing Core i7-3770K and Core i7-7740K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1412not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.72no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)no data
Power efficiency5.01no data
Architecture codenameIvy Bridge (2012−2013)Kaby Lake-X (2017)
Release date29 April 2012 (12 years ago)no data
Launch price (MSRP)$294no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3770K and Core i7-7740K basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads8no data
Base clock speed3.5 GHzno data
Boost clock speed3.9 GHz4.3 GHz
Bus typeDMIno data
Bus rate5 GT/sno data
Multiplier35no data
L1 cache64 KB (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache8 MB (shared)8192 KB (shared)
Chip lithography22 nm14 nm
Die size160 mm2no data
Maximum core temperature67 °Cno data
Maximum case temperature (TCase)67 °C72 °C
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++

Compatibility

Information on Core i7-3770K and Core i7-7740K compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA11551151
Power consumption (TDP)77 Watt112 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3770K and Core i7-7740K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX-+
Idle States+no data
Thermal Monitoring+-
FDI+no data

Security technologies

Core i7-3770K and Core i7-7740K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3770K and Core i7-7740K are enumerated here.

VT-d-+
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3770K and Core i7-7740K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 4000HD 630
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-3770K and Core i7-7740K integrated GPUs.

Number of displays supported3no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3770K and Core i7-7740K.

PCIe version3.0no data
PCI Express lanes16no data

Pros & cons summary


Chip lithography 22 nm 14 nm
Power consumption (TDP) 77 Watt 112 Watt

i7-3770K has 45.5% lower power consumption.

i7-7740K, on the other hand, has a 57.1% more advanced lithography process.

We couldn't decide between Core i7-3770K and Core i7-7740K. We've got no test results to judge.


Should you still have questions on choice between Core i7-3770K and Core i7-7740K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-3770K
Core i7-3770K
Intel Core i7-7740K
Core i7-7740K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 2720 votes

Rate Core i7-3770K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
1.7 13 votes

Rate Core i7-7740K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-3770K or Core i7-7740K, agree or disagree with our judgements, or report an error or mismatch.