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Intel Core i7-11700K vs Dual AMD EPYC 7551

Intel Core i7-11700K on Amazon USA
Dual AMD EPYC 7551 on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i7-11700K on one side and the Dual AMD EPYC 7551 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 server segment, it has a total of 32 cores, 64 threads, its turbo frequency is set to 3.0 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.


Processor Intel Core i7-11700K Dual AMD EPYC 7551
Market Desktop Server
Family Rocket Lake Zen
Part number(s), S-Spec Core i7-11700K PS7551BDVIHAF,
Release date Q1 2021 Q2 2017
Lithography 14 nm+++ 14 nm
Transistors - 38,400,000,000
Cores 8 64
Threads 16 128
Base frequency 3.6 GHz 2.0 GHz
Turbo frequency 5.0 GHz 3.0 GHz
Cache memory 16 MB 128 MB
Max memory capacity 128 GB 4 TB
Memory types DDR4-3200 DDR4-2666
Max # of memory channels 2 16
Max memory bandwidth 45.8 GB/s 341.2 GB/s
Max PCIe lanes 20 256
TDP 125 W 360 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 SP3, LGA-4094
Cinebench R20 single thread 598 274
Cinebench R20 multi-thread 5,605 14,972
PassMark single thread 3,538 1,570
PassMark CPU Mark 27,098 31,440
(Windows 64-bit | Linux 64-bit)
Geekbench 4 single core
7,857 3,512
(Windows 64-bit | Linux 64-bit)
Geekbench 4 multi-core
42,011 79,857
(Windows | Linux)
Geekbench 5 single core
1,668 812
(Windows | Linux)
Geekbench 5 multi-core
9,087 25,393
GFLOPS performance
732.6 GFLOPS 717.42 GFLOPS
(Multi-core / watt performance)
Performance / watt ratio
336 pts / W 222 pts / W

We can better compare what are the technical differences between the two processors. The processor Dual AMD EPYC 7551 has a larger number of cores, the maximum frequency of Intel Core i7-11700K is greater, that the PDT of Intel Core i7-11700K is lower. 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
Dual AMD EPYC 7551#ad 274
Intel Core i7-11700K#ad 598

In single core, the difference is 118%. In multi-core, the difference in terms of gap is 167%.

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
Dual AMD EPYC 7551#ad 1,570
Intel Core i7-11700K#ad 3,538

In single core, the difference is 125%. In multi-core, the difference in terms of gap is 16%.

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 i7-11700K#ad 7,857
Dual AMD EPYC 7551#ad 2,984

In single core, the difference is 163%. In multi-core, the differential gap is 121%.

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 i7-11700K#ad 1,668
Dual AMD EPYC 7551#ad 659

In single core, the difference is 153%. In multi-core, the differential gap is 54%.

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.


Intel Core i7-11700K AMD equivalentDual AMD EPYC 7551 Intel equivalent

See also:

Intel Core i7-11700Intel Core i7-11700KF

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