Intel Core i7-6900K vs Core i7-9700KF

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VS
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Price now 343$
Games supported 100%
Intel Core i7-6900K
Intel Core i7-6900K
Buy
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Intel Core i7-9700KF
Intel Core i7-9700KF
Buy
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now 407$
Games supported 100%

General info

Comparing Core i7-6900K and Core i7-9700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rating491487
Value for money15.8523.31
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i7
Architecture codenameBroadwell-E (2016)Coffee Lake (2017−2019)
Release date31 May 2016 (6 years ago)7 January 2019 (3 years ago)
Launch price (MSRP)$1,020$374
Current price$343 (0.3x MSRP)$407 (1.1x MSRP)
Value for money

To get the index we compare the characteristics of the processors and their cost, taking into account the cost of other processors.

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Technical specs

Core i7-6900K and Core i7-9700KF 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 cores8 (Octa-Core)8 (Octa-Core)
Threads168
Base clock speed3.2 GHz3.6 GHz
Boost clock speed4 GHz4.9 GHz
Bus supportno data4 × 8 GT/s
L1 cache32 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache20 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature67°100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i7-6900K and Core i7-9700KF 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
SocketFCLGA2011-3FCLGA1151
Thermal design power (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Core i7-9700KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro-+
Enhanced SpeedStep (EIST)++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology+-
TSXno data+
TSXno data+
Idle States++
Thermal Monitoringno data+
SIPPno data+
Smart Response+no data
Turbo Boost Max 3.0+no data

Security technologies

Core i7-6900K and Core i7-9700KF technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
MPXno data+
Identity Protectionno data+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Core i7-9700KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Core i7-9700KF. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidthno data41.6 GB/s
ECC memory support--

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Core i7-9700KF.

PCIe version3.03.0
PCI Express lanes4016

Benchmark performance

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


Overall 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.

i7-6900K 14.24
i7-9700KF 14.30
+0.4%
  • Passmark
  • GeekBench 5 Single-Core
  • GeekBench 5 Multi-Core

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.

Benchmark coverage: 68%

i7-6900K 14360
i7-9700KF 14419
+0.4%

Benchmark coverage: 37%

i7-6900K 983
i7-9700KF 1279
+30.1%

Benchmark coverage: 37%

i7-6900K 7643
+7.5%
i7-9700KF 7110

Mining hashrates

Cryptocurrency mining performance of Core i7-6900K and Core i7-9700KF. Usually measured in megahashes per second.

Bitcoin / BTC (SHA256) 102 Mh/s no data

Gaming performance

Advantages and disadvantages


Performance rating 14.24 14.30
Novelty 31 May 2016 7 January 2019
Cost $1020 $374
Boost clock speed 3700 4900
Base clock speed 3200 3600
Thermal design power (TDP) 140 Watt 95 Watt

Technical City couldn't decide between

Intel Core i7-6900K
Intel Core i7-6900K

and

Intel Core i7-9700KF
Intel Core i7-9700KF

The differences in performance seem too small.


Should you still have questions on choice between Core i7-6900K and Core i7-9700KF, ask them in Comments section, and we shall answer.

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Competitors of Core i7-6900K by AMD

We believe that the nearest equivalent to Core i7-6900K from AMD is Ryzen 7 2700E, which is faster by 2% and higher by 17 positions in our rating.

AMD Ryzen 7 2700E Ryzen 7 2700E
Compare

Here are some closest AMD rivals to Core i7-6900K:

Competitors of Core i7-9700KF by AMD

We believe that the nearest equivalent to Core i7-9700KF from AMD is Ryzen 7 2700E, which is faster by 2% and higher by 13 positions in our rating.

AMD Ryzen 7 2700E Ryzen 7 2700E
Compare

Here are some closest AMD rivals to Core i7-9700KF:

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.

User rating

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


3.4 59 ratings

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Questions and comments

Here you can ask a question about Core i7-6900K or Core i7-9700KF, agree or disagree with our judgements, or report an error or mismatch.