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Intel Core i9-11900F vs Intel Core i9-9940X


Intel Core i9-11900F on Amazon USA
Intel Core i9-9940X on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i9-11900F on one side and the Intel Core i9-9940X on the other side. The first is dedicated to the desktop sector, It has 8 cores, 16 threads, a maximum frequency of 5.2GHz. The second is used on the desktop segment, it has a total of 14 cores, 28 threads, its turbo frequency is set to 4.4 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the release date, the maximum number of PCIe lanes, the values ​​obtained in Geekbench 4 and Cinebench R15.






Specifications:


Processor Intel Core i9-11900F Intel Core i9-9940X
Market Desktop Desktop
Family Rocket Lake Skylake-X
Part number(s), S-Spec CM8070804488246,
SRKNK
BX80673I99940X,
BXC80673I99940X,
SREZ5
Release date Q1 2021 Q4 2018
Lithography 14 nm+++ 14 nm++
Cores 8 14
Threads 16 28
Base frequency 2.5 GHz 3.3 GHz
Turbo frequency 5.2 GHz 4.4 GHz
Bus speed 8 GT/s 8 GT/s
Cache memory 16 MB 19.25 MB
Max memory capacity 128 GB 128 GB
Memory types DDR4-3200 DDR4-2666
Max # of memory channels 2 4
Max memory bandwidth 50 GB/s 85 GB/s
Max PCIe lanes 20 44
TDP 65 W 165 W
Suggested PSU 600W ATX Power Supply #ad 700W ATX Power Supply #ad
GPU integrated graphics None None
Socket LGA1200 LGA2066
Compatible motherboard Socket LGA 1200 Motherboard #ad Socket LGA 2066 Motherboard #ad
Maximum temperature 100°C 88°C
PassMark single thread 3,571 2,640
PassMark CPU Mark 22,967 28,340
(Windows 64-bit)
Geekbench 4 single core
7,193 5,440
(Windows 64-bit)
Geekbench 4 multi-core
34,373 46,590
(Windows)
Geekbench 5 single core
1,706 1,164
(Windows)
Geekbench 5 multi-core
9,289 14,647
(SGEMM)
GFLOPS performance
566.2 GFLOPS 1,320 GFLOPS
(Multi-core / watt performance)
Performance / watt ratio
529 pts / W 282 pts / W
Amazon
eBay



We can better compare what are the technical differences between the two processors.

Suggested PSU: We assume that we have An ATX computer case, a high end graphics card, 16GB RAM, a 512GB SSD, a 1TB HDD hard drive, a Blu-Ray drive. We will have to rely on a more powerful power supply if we want to have several graphics cards, several monitors, more memory, etc.

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

The processor Intel Core i9-9940X has a larger number of cores, the maximum frequency of Intel Core i9-11900F is greater, that the PDT of Intel Core i9-11900F is lower. The Intel Core i9-11900F was designed earlier.

Performances :


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.


PassMark - CPU Mark & single thread
Intel Core i9-9940X#ad 2,640
28,340
Intel Core i9-11900F#ad 3,571
22,967


In single core, the difference is 35%. In multi-core, the difference in terms of gap is 23%.


PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.


On Windows 64-bit:

Geekbench 4 - Multi-core & single core score - Windows 64-bit
Intel Core i9-9940X#ad 5,440
46,590
Intel Core i9-11900F#ad 7,193
34,373


In single core, the difference is 32%. In multi-core, the difference in terms of gap is 36%.


Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.


On Windows:

Geekbench 5 - Multi-core & single core score - Windows
Intel Core i9-9940X#ad 1,164
14,647
Intel Core i9-11900F#ad 1,706
9,289


In single core, the difference is 47%. In multi-core, the difference in terms of gap is 58%.


Geekbench 5 is a software for measuring the performance of a computer system, for fixed devices, mobile devices, servers. This platform makes it possible to better compare the power of the CPU, the computing power and to compare it with similar or totally different systems. Geekbench 5 includes new workloads that represent work tasks and applications that we can find in reality.


Equivalence:

Intel Core i9-11900F AMD equivalentIntel Core i9-9940X AMD equivalent

See also:

Intel Core i9-11900Intel Core i9-11900KIntel Core i9-11900KFIntel Core i9-11900T




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