i5-11600KF vs Ryzen 9 5900HX

VS

Aggregate performance score

Ryzen 9 5900HX
2021
8 cores / 16 threads, 45 Watt
14.16
+14.7%
Core i5-11600KF
2021
6 cores / 12 threads, 125 Watt
12.35

Ryzen 9 5900HX outperforms Core i5-11600KF by a moderate 15% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5900HX and Core i5-11600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking515629
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Cezanne (Zen 3, Ryzen 5000)no data
Power efficiency29.789.35
Architecture codenameCezanne-H (Zen 3) (2021)Rocket Lake (2021)
Release date12 January 2021 (3 years ago)16 March 2021 (3 years ago)

Detailed specifications

Ryzen 9 5900HX and Core i5-11600KF basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speed3.3 GHz3.9 GHz
Boost clock speed4.6 GHz4.9 GHz
Bus rateno data8 GT/s
Multiplier33no data
L1 cache512 KB64K (per core)
L2 cache4 MB256K (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography7 nm14 nm
Die size156 mm2no data
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors9,800 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Ryzen 9 5900HX and Core i5-11600KF compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFP6FCLGA1200
Power consumption (TDP)45 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900HX and Core i5-11600KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHAIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Ryzen 9 5900HX and Core i5-11600KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900HX and Core i5-11600KF are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HX and Core i5-11600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz)no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900HX and Core i5-11600KF.

PCIe version3.04.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 9 5900HX 14.16
+14.7%
i5-11600KF 12.35

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 5900HX 22498
+14.7%
i5-11600KF 19622

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 9 5900HX 1846
i5-11600KF 2230
+20.8%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 9 5900HX 7605
i5-11600KF 8708
+14.5%

Gaming performance

Pros & cons summary


Performance score 14.16 12.35
Recency 12 January 2021 16 March 2021
Physical cores 8 6
Threads 16 12
Chip lithography 7 nm 14 nm
Power consumption (TDP) 45 Watt 125 Watt

Ryzen 9 5900HX has a 14.7% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, a 100% more advanced lithography process, and 177.8% lower power consumption.

i5-11600KF, on the other hand, has an age advantage of 2 months.

The Ryzen 9 5900HX is our recommended choice as it beats the Core i5-11600KF in performance tests.

Be aware that Ryzen 9 5900HX is a notebook processor while Core i5-11600KF is a desktop one.


Should you still have questions on choice between Ryzen 9 5900HX and Core i5-11600KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 9 5900HX
Ryzen 9 5900HX
Intel Core i5-11600KF
Core i5-11600KF

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.4 1032 votes

Rate Ryzen 9 5900HX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.2 867 votes

Rate Core i5-11600KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 5900HX or Core i5-11600KF, agree or disagree with our judgements, or report an error or mismatch.