Ryzen 7 3780U vs i7-6700K

VS

Aggregate performance score

Core i7-6700K
2015
4 cores / 8 threads, 91 Watt
5.62
+28.3%
Ryzen 7 3780U
2019
4 cores / 8 threads, 15 Watt
4.38

Core i7-6700K outperforms Ryzen 7 3780U by a significant 28% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6700K and Ryzen 7 3780U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11491353
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.19no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7 (Desktop)AMD Ryzen 7
Power efficiency5.8427.62
Architecture codenameSkylake (2015−2016)Picasso-U (Zen+) (2019−2020)
Release date5 August 2015 (9 years ago)6 January 2019 (5 years ago)
Launch price (MSRP)$339no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6700K and Ryzen 7 3780U 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)
Threads88
Base clock speed4 GHz2.3 GHz
Boost clock speed4.2 GHz4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier4023
L1 cache64 KB (per core)96K (per core)
L2 cache256 KB (per core)512K (per core)
L3 cache8 MB (shared)4 MB (shared)
Chip lithography14 nm12 nm
Die size122 mm2210 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)64 °Cno data
Number of transistors1750 Million4,940 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6700K and Ryzen 7 3780U 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 configuration1 (Uniprocessor)1
SocketFCLGA1151FP5
Power consumption (TDP)91 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700K and Ryzen 7 3780U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-

Security technologies

Core i7-6700K and Ryzen 7 3780U technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700K and Ryzen 7 3780U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6700K and Ryzen 7 3780U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530AMD Radeon RX Vega 11 ( - 1400 MHz)
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6700K and Ryzen 7 3780U integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6700K and Ryzen 7 3780U integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6700K and Ryzen 7 3780U integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6700K and Ryzen 7 3780U.

PCIe version3.03.0
PCI Express lanes1612

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-6700K 5.62
+28.3%
Ryzen 7 3780U 4.38

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-6700K 8934
+28.3%
Ryzen 7 3780U 6961

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-6700K 880
+11.7%
Ryzen 7 3780U 788

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-6700K 178
+6.9%
Ryzen 7 3780U 166

Gaming performance

Pros & cons summary


Performance score 5.62 4.38
Integrated graphics card 2.60 5.48
Recency 5 August 2015 6 January 2019
Chip lithography 14 nm 12 nm
Power consumption (TDP) 91 Watt 15 Watt

i7-6700K has a 28.3% higher aggregate performance score.

Ryzen 7 3780U, on the other hand, has 110.8% faster integrated GPU, an age advantage of 3 years, a 16.7% more advanced lithography process, and 506.7% lower power consumption.

The Core i7-6700K is our recommended choice as it beats the Ryzen 7 3780U in performance tests.

Note that Core i7-6700K is a desktop processor while Ryzen 7 3780U is a notebook one.


Should you still have questions on choice between Core i7-6700K and Ryzen 7 3780U, 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 i7-6700K
Core i7-6700K
AMD Ryzen 7 3780U
Ryzen 7 3780U

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 1673 votes

Rate Core i7-6700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 37 votes

Rate Ryzen 7 3780U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-6700K or Ryzen 7 3780U, agree or disagree with our judgements, or report an error or mismatch.