Pentium Silver vs i9-11900KF

VS

Aggregate performance score

Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.73
+724%

Core i9-11900KF outperforms Pentium Silver by a whopping 724% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900KF and Pentium Silver processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4261958
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency11.91no data
Architecture codenameRocket Lake (2021)no data
Release date16 March 2021 (3 years ago)1 July 2020 (4 years ago)

Detailed specifications

Core i9-11900KF and Pentium Silver 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)no data
Threads16no data
Base clock speed3.5 GHzno data
Boost clock speed5.2 GHzno data
Bus rate8 GT/sno data
L1 cache64K (per core)no data
L2 cache256K (per core)no data
L3 cache16 MB (shared)no data
Chip lithography14 nmno data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support+-
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-11900KF and Pentium Silver 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 configuration1no data
SocketFCLGA1200no data
Power consumption (TDP)125 Wattno data

Technologies and extensions

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

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0+no data
Deep Learning Boost+-

Security technologies

Core i9-11900KF and Pentium Silver technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900KF and Pentium Silver are enumerated here.

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

Memory specs

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

Supported memory typesDDR4-3200no data
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KF and Pentium Silver.

PCIe version4.0no data
PCI Express lanes20no data

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.

i9-11900KF 15.73
+724%
Pentium Silver 1.91

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.

i9-11900KF 24992
+724%
Pentium Silver 3034

Gaming performance

Pros & cons summary


Performance score 15.73 1.91
Recency 16 March 2021 1 July 2020

i9-11900KF has a 723.6% higher aggregate performance score, and an age advantage of 8 months.

The Core i9-11900KF is our recommended choice as it beats the Pentium Silver in performance tests.

Note that Core i9-11900KF is a desktop processor while Pentium Silver is a notebook one.


Should you still have questions on choice between Core i9-11900KF and Pentium Silver, ask them in Comments section, and we shall answer.

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Intel Core i9-11900KF
Core i9-11900KF
Intel Pentium Silver
Pentium Silver

Similar processor comparisons

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Community ratings

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


4.1 600 votes

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2.2 12 votes

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Questions & comments

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