i5-11400F vs i9-9900KS

#ad 
Buy on Amazon
VS

Aggregate performance score

Core i9-9900KS
2019
8 cores / 16 threads, 127 Watt
12.26
+14.5%
Core i5-11400F
2021
6 cores / 12 threads, 65 Watt
10.71

Core i9-9900KS outperforms Core i5-11400F by a moderate 14% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900KS and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking631730
Place by popularitynot in top-10030
Cost-effectiveness evaluation10.8639.40
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency9.0915.51
Architecture codenameCoffee Lake-R (2018−2019)Rocket Lake (2021)
Release date26 May 2019 (5 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$513$157

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-11400F has 263% better value for money than i9-9900KS.

Detailed specifications

Core i9-9900KS and Core i5-11400F 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 GHz2.6 GHz
Boost clock speed5 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier40no data
L1 cache512 KB64K (per core)
L2 cache2 MB256K (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die size180 mm2276 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9900KS and Core i5-11400F 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
SocketFCLGA1151FCLGA1200
Power consumption (TDP)127 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KS and Core i5-11400F. 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++
FMA-+
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-
Deep Learning Boost-+

Security technologies

Core i9-9900KS and Core i5-11400F technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® ME-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KS and Core i5-11400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KS and Core i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-9900KS and Core i5-11400F integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900KS and Core i5-11400F integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i9-9900KS and Core i5-11400F integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KS and Core i5-11400F.

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 12.26
+14.5%
i5-11400F 10.71

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.

i9-9900KS 19472
+14.5%
i5-11400F 17005

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.

i9-9900KS 1810
i5-11400F 1979
+9.3%

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.

i9-9900KS 8615
+13.4%
i5-11400F 7596

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.

i9-9900KS 8183
+31.8%
i5-11400F 6210

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.

i9-9900KS 51779
+17.1%
i5-11400F 44220

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.

i9-9900KS 14884
+11.4%
i5-11400F 13359

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.

i9-9900KS 3.6
+13.6%
i5-11400F 4.09

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.

i9-9900KS 23
+31.2%
i5-11400F 18

Cinebench 15 64-bit multi-core

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

i9-9900KS 2058
+30.7%
i5-11400F 1574

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.

i9-9900KS 216
+2.9%
i5-11400F 210

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.

i9-9900KS 2.45
+9.9%
i5-11400F 2.23

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.

i9-9900KS 12.2
+39.7%
i5-11400F 8.7

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.  

i9-9900KS 123
+33.9%
i5-11400F 92

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.  

i9-9900KS 279
+8.1%
i5-11400F 258

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.

i9-9900KS 8353
+16.9%
i5-11400F 7147

Geekbench 5.5 Multi-Core

i9-9900KS 9100
+18.5%
i5-11400F 7681

Blender(-)

i9-9900KS 225
i5-11400F 290
+29.2%

Geekbench 5.5 Single-Core

i9-9900KS 1372
i5-11400F 1575
+14.8%

7-Zip Single

i9-9900KS 5734
+4.9%
i5-11400F 5466

7-Zip

i9-9900KS 55735
+34.2%
i5-11400F 41522

Gaming performance

Pros & cons summary


Performance score 12.26 10.71
Recency 26 May 2019 16 March 2021
Physical cores 8 6
Threads 16 12
Power consumption (TDP) 127 Watt 65 Watt

i9-9900KS has a 14.5% higher aggregate performance score, and 33.3% more physical cores and 33.3% more threads.

i5-11400F, on the other hand, has an age advantage of 1 year, and 95.4% lower power consumption.

The Core i9-9900KS is our recommended choice as it beats the Core i5-11400F in performance tests.


Should you still have questions on choice between Core i9-9900KS and Core i5-11400F, 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 i9-9900KS
Core i9-9900KS
Intel Core i5-11400F
Core i5-11400F

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.


3.7 186 votes

Rate Core i9-9900KS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 8803 votes

Rate Core i5-11400F on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-9900KS or Core i5-11400F, agree or disagree with our judgements, or report an error or mismatch.