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Intel Core i9-11900K vs Intel Core i9-7920X


Intel Core i9-11900K on Amazon USA
Intel Core i9-7920X on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i9-11900K on one side and the Intel Core i9-7920X 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 Intel Core i9-7920X
Market Desktop Desktop
Family Rocket Lake Skylake-X
Part number(s), S-Spec Core i9-11900K BX80673I97920X,
BXC80673I97920X,
CD8067303753300,
SR3NG
Release date Q1 2021 Q3 2017
Lithography 14 nm+++ 14 nm+
Transistors - 4,000,000,000
Cores 8 12
Threads 16 24
Base frequency 3.4 GHz 2.9 GHz
Turbo frequency 5.3 GHz 4.3 GHz
Bus speed 8 GT/s 8 GT/s
Cache memory 16 MB 16.5 MB
Max memory capacity 128 GB 128 GB
Memory types DDR4-3200 DDR4-2666
Max # of memory channels 2 4
Max memory bandwidth 45.8 GB/s 85 GB/s
Max PCIe lanes 20 44
TDP 125 W 140 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 LGA2066
CPU-Z single thread 708 478
CPU-Z multi thread 6,443 6,387
Cinebench R15 single thread 245 188
Cinebench R15 multi-thread 2,140 2,517
Cinebench R20 single thread 604 409
Cinebench R20 multi-thread 5,748 5,477
PassMark single thread 3,754 2,510
PassMark CPU Mark 28,072 23,450
(Windows)
Geekbench 5 single core
1,808 1,151
(Windows)
Geekbench 5 multi-core
9,914 11,581
Amazon
eBay




We can better compare what are the technical differences between the two processors. The processor Intel Core i9-7920X has a larger number of cores, the maximum frequency of Intel Core i9-11900K is greater, that the PDT of Intel Core i9-11900K is lower. 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
Intel Core i9-11900K#ad 708
6,443
Intel Core i9-7920X#ad 478
6,387


In single core, the difference is 48%. In multi-core, the differential gap is 1%.


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
Intel Core i9-7920X#ad 188
2,517
Intel Core i9-11900K#ad 245
2,140


In single core, the difference is 30%. In multi-core, the difference in terms of gap is 18%.


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
Intel Core i9-11900K#ad 604
5,748
Intel Core i9-7920X#ad 409
5,477


In single core, the difference is 48%. In multi-core, the differential gap is 5%.


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
Intel Core i9-11900K#ad 3,754
28,072
Intel Core i9-7920X#ad 2,510
23,450


In single core, the difference is 50%. In multi-core, the differential gap is 20%.


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
Intel Core i9-7920X#ad 1,151
11,581
Intel Core i9-11900K#ad 1,808
9,914


In single core, the difference is 57%. In multi-core, the difference in terms of gap is 17%.


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 equivalentIntel Core i9-7920X AMD equivalent

See also:

Intel Core i9-11900Intel Core i9-11900T








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