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Intel Core i9-11900K vs AMD Ryzen 9 PRO 3900


Intel Core i9-11900K on Amazon USA
AMD Ryzen 9 PRO 3900 on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i9-11900K on one side and the AMD Ryzen 9 PRO 3900 on the other side. The first is dedicated to the desktop sector, It has 8 cores, 16 threads, a maximum frequency of 5.3GHz. The second is used on the desktop segment, it has a total of 12 cores, 24 threads, its turbo frequency is set to 4.3 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 i9-11900K AMD Ryzen 9 PRO 3900
Market Desktop Desktop
Family Rocket Lake Zen 2
Part number(s), S-Spec Core i9-11900K 100-000000072
Release date Q1 2021 Q3 2019
Lithography 14 nm+++ 7 nm FinFET
Transistors - 19,200,000,000
Cores 8 12
Threads 16 24
Base frequency 3.4 GHz 3.1 GHz
Turbo frequency 5.3 GHz 4.3 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 65 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
CPU-Z single thread 708 518
CPU-Z multi thread 6,443 7,874
Cinebench R15 single thread 245 280
Cinebench R15 multi-thread 2,140 3,290
Cinebench R20 single thread 604 504
Cinebench R20 multi-thread 5,748 6,717
PassMark single thread 3,754 2,790
PassMark CPU Mark 28,072 32,010
(Windows)
Geekbench 5 single core
1,808 1,272
(Windows)
Geekbench 5 multi-core
9,914 10,991
Amazon
eBay




We can better compare what are the technical differences between the two processors. The processor AMD Ryzen 9 PRO 3900 has a larger number of cores, the maximum frequency of Intel Core i9-11900K is greater, that the thermal dissipation power of AMD Ryzen 9 PRO 3900 is less. The Intel Core i9-11900K was designed earlier.

Performances :


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


CPU-Z - Multi-thread & single thread score
AMD Ryzen 9 PRO 3900#ad 518
7,874
Intel Core i9-11900K#ad 708
6,443


In single core, the difference is 37%. In multi-core, the difference in terms of gap is 22%.


CPU-Z is a system information software that provides the name of the processor, its model number, the codename, the cache levels, the package, the process. It can also gives data about the mainboard, the memory. It makes real time measurement, with finally a benchmark for the single thread, as well as for the multi thread.


Cinebench R15 - Multi-thread & single thread score
AMD Ryzen 9 PRO 3900#ad 280
3,290
Intel Core i9-11900K#ad 245
2,140


In single core, the difference is 14%. In multi-core, the difference in terms of gap is 54%.


Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.


Cinebench R20 - Multi-thread & single thread score
AMD Ryzen 9 PRO 3900#ad 504
6,717
Intel Core i9-11900K#ad 604
5,748


In single core, the difference is 20%. In multi-core, the difference in terms of gap is 17%.


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 PRO 3900#ad 2,790
32,010
Intel Core i9-11900K#ad 3,754
28,072


In single core, the difference is 35%. In multi-core, the difference in terms of gap is 14%.


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:

Geekbench 5 - Multi-core & single core score - Windows
AMD Ryzen 9 PRO 3900#ad 1,272
10,991
Intel Core i9-11900K#ad 1,808
9,914


In single core, the difference is 42%. In multi-core, the difference in terms of gap is 11%.


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 i9-11900K AMD equivalentAMD Ryzen 9 PRO 3900 Intel equivalent

See also:

Intel Core i9-11900Intel Core i9-11900T








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