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Intel Core i7-11700K vs AMD Ryzen 9 3900X


Intel Core i7-11700K on Amazon USA
AMD Ryzen 9 3900X on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i7-11700K on one side and the AMD Ryzen 9 3900X on the other side. The first is dedicated to the desktop sector, It has 8 cores, 16 threads, a maximum frequency of 5.0GHz. The second is used on the desktop segment, it has a total of 12 cores, 24 threads, its turbo frequency is set to 4.6 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 i7-11700K AMD Ryzen 9 3900X
Market Desktop Desktop
Family Rocket Lake Zen 2
Part number(s), S-Spec Core i7-11700K 100-000000023,
100-100000023BOX
Release date Q1 2021 Q3 2019
Lithography 14 nm+++ 7 nm FinFET
Transistors - 3,800,000,000
Cores 8 12
Threads 16 24
Base frequency 3.6 GHz 3.8 GHz
Turbo frequency 5.0 GHz 4.6 GHz
Cache memory 16 MB 64 MB
Max memory capacity 128 GB 128 GB
Memory types DDR4-3200 DDR4-3200
Max # of memory channels 2 2
Max memory bandwidth 45.8 GB/s 47.68 GB/s
Max PCIe lanes 20 20
TDP 125 W 105 W
GPU integrated graphics Intel UHD Graphics 630 (Rocket Lake) None
GPU execution units 24 -
GPU shading units 192 -
GPU base clock rate 350 MHz -
GPU max clock rate 1200 MHz -
Socket LGA1200 AM4
Cinebench R20 single thread 598 520
Cinebench R20 multi-thread 5,605 9,170
PassMark single thread 3,538 2,730
PassMark CPU Mark 27,098 32,890
(Windows 64-bit)
Geekbench 4 single core
7,857 5,855
(Windows 64-bit)
Geekbench 4 multi-core
42,011 47,507
(Windows)
Geekbench 5 single core
1,668 1,220
(Windows)
Geekbench 5 multi-core
9,087 11,644
(SGEMM)
GFLOPS performance
732.6 GFLOPS 820 GFLOPS
(Multi-core / watt performance)
Performance / watt ratio
336 pts / W 452 pts / W
Amazon
eBay




We can better compare what are the technical differences between the two processors. The processor AMD Ryzen 9 3900X has a larger number of cores, the maximum frequency of Intel Core i7-11700K is greater, that the thermal dissipation power of AMD Ryzen 9 3900X is less. The Intel Core i7-11700K was designed earlier.

Performances :


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


Cinebench R20 - Multi-thread & single thread score
AMD Ryzen 9 3900X#ad 520
9,170
Intel Core i7-11700K#ad 598
5,605


In single core, the difference is 15%. In multi-core, the difference in terms of gap is 64%.


Cinebench R20 is a multi-platform test software which allows to evaluate the hardware capacities of a device such as a computer, a tablet, a server. This version of Cinebench takes into account recent developments in processors with multiple cores and the latest improvements in rendering techniques. The evaluation is ultimately even more relevant.


PassMark - CPU Mark & single thread
AMD Ryzen 9 3900X#ad 2,730
32,890
Intel Core i7-11700K#ad 3,538
27,098


In single core, the difference is 30%. In multi-core, the difference in terms of gap is 21%.


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
AMD Ryzen 9 3900X#ad 5,855
47,507
Intel Core i7-11700K#ad 7,857
42,011


In single core, the difference is 34%. In multi-core, the difference in terms of gap is 13%.


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
AMD Ryzen 9 3900X#ad 1,220
11,644
Intel Core i7-11700K#ad 1,668
9,087


In single core, the difference is 37%. In multi-core, the difference in terms of gap is 28%.


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 i7-11700K AMD equivalentAMD Ryzen 9 3900X Intel equivalent

See also:

Intel Core i7-11700Intel Core i7-11700KF

AMD Ryzen 9 3900AMD Ryzen 9 3900XT








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