i9-11900KF vs Ryzen 7 5800

Aggregate performance score

Ryzen 7 5800
2020
8 cores / 16 threads, 65 Watt
16.21
+3.1%
Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.73

Ryzen 7 5800 outperforms Core i9-11900KF by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 5800 and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking406427
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 7no data
Power efficiency23.6011.91
Architecture codenameVermeer (2020−2024)Rocket Lake (2021)
Release date5 November 2020 (4 years ago)16 March 2021 (3 years ago)

Detailed specifications

Ryzen 7 5800 and Core i9-11900KF 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)8 (Octa-Core)
Threads1616
Base clock speed3.4 GHz3.5 GHz
Boost clock speed4.6 GHz5.2 GHz
Bus rateno data8 GT/s
Multiplier34no data
L1 cache64K (per core)64K (per core)
L2 cache512K (per core)256K (per core)
L3 cache32 MB16 MB (shared)
Chip lithography7 nm, 12 nm14 nm
Die size81 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °C72 °C
Number of transistors4,150 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Ryzen 7 5800 and Core i9-11900KF 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
SocketAM4FCLGA1200
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 5800 and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® 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 7 5800 and Core i9-11900KF 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 7 5800 and Core i9-11900KF 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 7 5800 and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4-3200
Maximum memory size128 GB128 GB
Max memory channelsno data2
Maximum memory bandwidth51.196 GB/s50 GB/s

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 5800 and Core i9-11900KF.

PCIe version4.04.0
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 7 5800 16.21
+3.1%
i9-11900KF 15.73

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 7 5800 25742
+3%
i9-11900KF 24993

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 7 5800 2078
i9-11900KF 2328
+12%

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 7 5800 8721
i9-11900KF 10040
+15.1%

Gaming performance

Pros & cons summary


Performance score 16.21 15.73
Recency 5 November 2020 16 March 2021
Chip lithography 7 nm 14 nm
Power consumption (TDP) 65 Watt 125 Watt

Ryzen 7 5800 has a 3.1% higher aggregate performance score, a 100% more advanced lithography process, and 92.3% lower power consumption.

i9-11900KF, on the other hand, has an age advantage of 4 months.

Given the minimal performance differences, no clear winner can be declared between Ryzen 7 5800 and Core i9-11900KF.


Should you still have questions on choice between Ryzen 7 5800 and Core i9-11900KF, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 5800
Ryzen 7 5800
Intel Core i9-11900KF
Core i9-11900KF

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Community ratings

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