Intel Core i5-11600K vs Core i9-9900KS

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Combined performance score

i9-9900KS
12.71

Core i5-11600K outperforms Core i9-9900KS by 1% in our combined benchmark results.

General info

Comparing Core i9-9900KS and Core i5-11600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking529525
Place by popularitynot in top-100not in top-100
Value for money6.8740.67
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Architecture codenameCoffee Lake-R (2018−2019)Rocket Lake (2021)
Release date28 October 2019 (4 years old)16 March 2021 (3 years old)
Launch price (MSRP)$513no data
Current price$1133 (2.2x MSRP)$245
Value for money

Performance per price, higher is better.

i5-11600K has 492% better value for money than i9-9900KS.

Technical specs

Core i9-9900KS and Core i5-11600K 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)6 (Hexa-Core)
Threads1612
Base clock speed4 GHz3.9 GHz
Boost clock speed5 GHz4.9 GHz
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die size178 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesYes

Compatibility

Information on Core i9-9900KS and Core i5-11600K 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
SocketFCLGA1151FCLGA1200
Power consumption (TDP)127 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KS and Core i5-11600K. 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, Intel® AVX-512
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP++
Turbo Boost Max 3.0no data-
StatusDiscontinuedLaunched

Security technologies

Core i9-9900KS and Core i5-11600K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KS and Core i5-11600K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KS and Core i5-11600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth41.6 GB/s50 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel UHD Graphics 750
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.2 GHz1.3 GHz
Execution Unitsno data32
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i9-9900KS and Core i5-11600K integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i9-9900KS and Core i5-11600K integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096 x 2304@24Hz4096x2160@60Hz
Max resolution over eDP4096 x 2304@60Hz5120 x 3200 @60Hz
Max resolution over DisplayPort4096 x 2304@60Hz5120 x 3200 @60Hz

Graphics API support

APIs supported by Core i9-9900KS and Core i5-11600K integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KS and Core i5-11600K.

PCIe version3.04.0
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.

i9-9900KS 12.71
i5-11600K 12.80
+0.7%

Core i5-11600K outperforms Core i9-9900KS by 1% in our combined benchmark results.


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.

Benchmark coverage: 68%

i9-9900KS 19518
i5-11600K 19653
+0.7%

Core i5-11600K outperforms Core i9-9900KS by 1% in Passmark.

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.

Benchmark coverage: 42%

i9-9900KS 1781
i5-11600K 2183
+22.6%

Core i5-11600K outperforms Core i9-9900KS by 23% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i9-9900KS 8607
+0.5%
i5-11600K 8567

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

i9-9900KS 8183
i5-11600K 9745
+19.1%

Core i5-11600K outperforms Core i9-9900KS by 19% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

i9-9900KS 51779
+4.8%
i5-11600K 49408

Core i9-9900KS outperforms Core i5-11600K by 5% in Cinebench 10 32-bit multi-core.

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Benchmark coverage: 19%

i9-9900KS 14884
+2.5%
i5-11600K 14519

Core i9-9900KS outperforms Core i5-11600K by 3% in 3DMark06 CPU.

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 18%

i9-9900KS 3.6
+36.7%
i5-11600K 4.92

Core i5-11600K outperforms Core i9-9900KS by 37% in wPrime 32.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

i9-9900KS 23
+19.8%
i5-11600K 19

Core i9-9900KS outperforms Core i5-11600K by 20% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

i9-9900KS 2058
+18%
i5-11600K 1744

Core i9-9900KS outperforms Core i5-11600K by 18% in Cinebench 15 64-bit multi-core.

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.

Benchmark coverage: 15%

i9-9900KS 216
i5-11600K 238
+10.2%

Core i5-11600K outperforms Core i9-9900KS by 10% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

i9-9900KS 2.45
i5-11600K 2.87
+17.1%

Core i5-11600K outperforms Core i9-9900KS by 17% in Cinebench 11.5 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

i9-9900KS 12.2
+25.3%
i5-11600K 9.7

Core i9-9900KS outperforms Core i5-11600K by 25% in TrueCrypt AES.

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Benchmark coverage: 13%

i9-9900KS 8353
+6.4%
i5-11600K 7850

Core i9-9900KS outperforms Core i5-11600K by 6% in WinRAR 4.0.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

i9-9900KS 279
i5-11600K 289
+3.6%

Core i5-11600K outperforms Core i9-9900KS by 4% in x264 encoding pass 1.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

i9-9900KS 123
+21.6%
i5-11600K 101

Core i9-9900KS outperforms Core i5-11600K by 22% in x264 encoding pass 2.

Gaming performance

Advantages and disadvantages


Performance score 12.71 12.80
Integrated graphics card 3.08 4.47
Recency 28 October 2019 16 March 2021
Physical cores 8 6
Threads 16 12
Power consumption (TDP) 127 Watt 125 Watt

We couldn't decide between Core i9-9900KS and Core i5-11600K. The differences in performance seem too small.


Should you still have questions on choice between Core i9-9900KS and Core i5-11600K, ask them in Comments section, and we shall answer.

User ratings

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


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