i9-11900KF vs Ryzen Threadripper 1955X

Primary details

Comparing Ryzen Threadripper 1955X and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated423
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiencyno data11.92
Architecture codenameZen (2017−2020)Rocket Lake (2021)
Release dateno data (2024 years ago)16 March 2021 (3 years ago)

Detailed specifications

Ryzen Threadripper 1955X and Core i9-11900KF 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 cores10 (Deca-Core)8 (Octa-Core)
Threadsno data16
Base clock speedno data3.5 GHz
Boost clock speed3.6 GHz5.2 GHz
Bus rateno data8 GT/s
L1 cache128 KB (per core)64K (per core)
L2 cache512 KB (per core)256K (per core)
L3 cache32768 KB16 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Ryzen Threadripper 1955X and Core i9-11900KF 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
SocketSP3r2FCLGA1200
Power consumption (TDP)125 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 1955X and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Ryzen Threadripper 1955X and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 1955X and Core i9-11900KF are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1955X and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 1955X and Core i9-11900KF.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 10 8

Ryzen Threadripper 1955X has 25% more physical cores.

We couldn't decide between Ryzen Threadripper 1955X and Core i9-11900KF. We've got no test results to judge.


Should you still have questions on choice between Ryzen Threadripper 1955X and Core i9-11900KF, 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.


AMD Ryzen Threadripper 1955X
Ryzen Threadripper 1955X
Intel Core i9-11900KF
Core i9-11900KF

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.


No user ratings yet.

Rate Ryzen Threadripper 1955X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 589 votes

Rate Core i9-11900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen Threadripper 1955X or Core i9-11900KF, agree or disagree with our judgements, or report an error or mismatch.