i9-13900KF vs i5-6600K

VS

Aggregate performance score

Core i5-6600K
2015
4 cores / 4 threads, 91 Watt
3.98
Core i9-13900KF
2022
24 cores / 32 threads, 125 Watt
36.67
+821%

Core i9-13900KF outperforms Core i5-6600K by a whopping 821% based on our aggregate benchmark results.

Primary details

Comparing Core i5-6600K and Core i9-13900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking143393
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.8364.68
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5 (Desktop)Intel Core i9
Power efficiency4.1413.72
Architecture codenameSkylake (2015−2016)Raptor Lake, Raptor Cove, Gracemont (2022)
Release date5 August 2015 (9 years ago)27 September 2022 (2 years ago)
Launch price (MSRP)$242$564

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-13900KF has 7693% better value for money than i5-6600K.

Detailed specifications

Core i5-6600K and Core i9-13900KF 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)24 (Tetracosa-Core)
Performance-coresno data8
Efficient-coresno data16
Threads432
Base clock speed3.5 GHz3 GHz
Boost clock speed3.9 GHz5.7 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s4 × 16 GT/s
Multiplier3530
L1 cache64 KB (per core)80K (per core)
L2 cache256 KB (per core)2 MB (per core)
L3 cache6 MB (shared)36 MB (shared)
Chip lithography14 nmIntel 7 nm
Die size122 mm2257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)64 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i5-6600K and Core i9-13900KF 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
SocketFCLGA1151FCLGA1700
Power consumption (TDP)91 Watt125 W, 253 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6600K and Core i9-13900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX+-
Idle States++
Thermal Monitoring++
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i5-6600K and Core i9-13900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6600K and Core i9-13900KF are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6600K and Core i9-13900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR5-5600, DDR4-3200
Maximum memory size64 GB192 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s89.604 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530no data
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 i5-6600K and Core i9-13900KF integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-6600K and Core i9-13900KF 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 i5-6600K and Core i9-13900KF integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6600K and Core i9-13900KF.

PCIe version3.05.0 and 4.0
PCI Express lanes1620

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.

i5-6600K 3.98
i9-13900KF 36.67
+821%

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.

i5-6600K 6320
i9-13900KF 58251
+822%

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.

i5-6600K 1427
i9-13900KF 2920
+105%

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.

i5-6600K 4031
i9-13900KF 19646
+387%

Gaming performance

Pros & cons summary


Performance score 3.98 36.67
Recency 5 August 2015 27 September 2022
Physical cores 4 24
Threads 4 32
Power consumption (TDP) 91 Watt 125 Watt

i5-6600K has 37.4% lower power consumption.

i9-13900KF, on the other hand, has a 821.4% higher aggregate performance score, an age advantage of 7 years, and 500% more physical cores and 700% more threads.

The Core i9-13900KF is our recommended choice as it beats the Core i5-6600K in performance tests.


Should you still have questions on choice between Core i5-6600K and Core i9-13900KF, 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 i5-6600K
Core i5-6600K
Intel Core i9-13900KF
Core i9-13900KF

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.


3.6 1211 votes

Rate Core i5-6600K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 642 votes

Rate Core i9-13900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-6600K or Core i9-13900KF, agree or disagree with our judgements, or report an error or mismatch.