i7-11390H vs i7-6800K

Aggregate performance score

Core i7-6800K
2016
6 cores / 12 threads, 140 Watt
6.78
+8.3%
Core i7-11390H
2021
4 cores / 8 threads, 28 Watt
6.26

Core i7-6800K outperforms Core i7-11390H by a small 8% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6800K and Core i7-11390H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking10241067
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.54no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Tiger Lake
Power efficiency4.5821.16
Architecture codenameBroadwell-E (2016)Tiger Lake-H35 (2021)
Release date31 May 2016 (8 years ago)21 June 2021 (3 years ago)
Launch price (MSRP)$345no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6800K and Core i7-11390H 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads128
Base clock speed3.4 GHz2.9 GHz
Boost clock speed3.8 GHz5 GHz
Bus rateno data4 GT/s
L1 cache32 KB (per core)80K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache15 MB (shared)12 MB (shared)
Chip lithography14 nm10 nm SuperFin
Die sizeno data146.1 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-6800K and Core i7-11390H 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
SocketFCLGA2011FCBGA1449
Power consumption (TDP)140 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6800K and Core i7-11390H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring-+
Smart Response+no data
Turbo Boost Max 3.0++
Deep Learning Boost-+

Security technologies

Core i7-6800K and Core i7-11390H technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6800K and Core i7-11390H are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6800K and Core i7-11390H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB64 GB
Max memory channels42

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.4 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Core i7-6800K and Core i7-11390H integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i7-6800K and Core i7-11390H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096x2304@60Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data7680x4320@60Hz

Graphics API support

APIs supported by Core i7-6800K and Core i7-11390H integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-6800K and Core i7-11390H.

PCIe version3.04.0
PCI Express lanes2820

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.

i7-6800K 6.78
+8.3%
i7-11390H 6.26

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.

i7-6800K 10764
+8.3%
i7-11390H 9936

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-6800K 1238
i7-11390H 2019
+63.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-6800K 5689
+2.1%
i7-11390H 5574

Gaming performance

Pros & cons summary


Performance score 6.78 6.26
Recency 31 May 2016 21 June 2021
Physical cores 6 4
Threads 12 8
Chip lithography 14 nm 10 nm
Power consumption (TDP) 140 Watt 28 Watt

i7-6800K has a 8.3% higher aggregate performance score, and 50% more physical cores and 50% more threads.

i7-11390H, on the other hand, has an age advantage of 5 years, a 40% more advanced lithography process, and 400% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-6800K and Core i7-11390H.

Note that Core i7-6800K is a desktop processor while Core i7-11390H is a notebook one.


Should you still have questions on choice between Core i7-6800K and Core i7-11390H, 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 i7-6800K
Core i7-6800K
Intel Core i7-11390H
Core i7-11390H

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.


4 239 votes

Rate Core i7-6800K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 146 votes

Rate Core i7-11390H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-6800K or Core i7-11390H, agree or disagree with our judgements, or report an error or mismatch.