i7-11700K vs i9-9920X

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Aggregate performance score

Core i9-9920X
2018
12 cores / 24 threads, 165 Watt
15.84
+2.5%
Core i7-11700K
2021
8 cores / 16 threads, 125 Watt
15.46

Core i9-9920X outperforms Core i7-11700K by a minimal 2% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9920X and Core i7-11700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking430451
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.24no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9Intel Core i7
Power efficiency9.0911.70
Architecture codenameSkylake (server) (2017−2018)Rocket Lake (2021)
Release date8 October 2018 (6 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$1,189no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9920X and Core i7-11700K 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3.5 GHz3.6 GHz
Boost clock speed4.5 GHz5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier35no data
L1 cache768 KB64K (per core)
L2 cache12 MB512K (per core)
L3 cache19.25 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperature92 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9920X and Core i7-11700K 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
SocketFCLGA2066FCLGA1200
Power consumption (TDP)165 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9920X and Core i7-11700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0++
Deep Learning Boost-+

Security technologies

Core i9-9920X and Core i7-11700K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9920X and Core i7-11700K are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9920X and Core i7-11700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics 750
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data32
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i9-9920X and Core i7-11700K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i9-9920X and Core i7-11700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by Core i9-9920X and Core i7-11700K integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9920X and Core i7-11700K.

PCIe version3.04.0
PCI Express lanes4420

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.

i9-9920X 15.84
+2.5%
i7-11700K 15.46

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.

i9-9920X 25163
+2.5%
i7-11700K 24551

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.

i9-9920X 1426
i7-11700K 2250
+57.8%

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.

i9-9920X 9638
i7-11700K 9878
+2.5%

Gaming performance

Pros & cons summary


Performance score 15.84 15.46
Recency 8 October 2018 16 March 2021
Physical cores 12 8
Threads 24 16
Power consumption (TDP) 165 Watt 125 Watt

i9-9920X has a 2.5% higher aggregate performance score, and 50% more physical cores and 50% more threads.

i7-11700K, on the other hand, has an age advantage of 2 years, and 32% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-9920X and Core i7-11700K.


Should you still have questions on choice between Core i9-9920X and Core i7-11700K, 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 i9-9920X
Core i9-9920X
Intel Core i7-11700K
Core i7-11700K

Similar processor comparisons

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Community ratings

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


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Questions & comments

Here you can ask a question about Core i9-9920X or Core i7-11700K, agree or disagree with our judgements, or report an error or mismatch.