Intel Core i9-11900KF vs AMD Ryzen 7 5800

#ad
Buy
VS

Combined performance score

Ryzen 7 5800
16.82
+2.2%

Ryzen 7 5800 outperforms Core i9-11900KF by 2% in our combined benchmark results.

General info

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

Place in performance ranking335349
Place by popularitynot in top-100not in top-100
Value for money39.0741.45
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 7no data
Architecture codenameVermeer (2020−2022)Rocket Lake (2021)
Release date5 November 2020 (3 years old)16 March 2021 (3 years old)
Current price$343 $331
Value for money

Performance per price, higher is better.

i9-11900KF has 6% better value for money than Ryzen 7 5800.

Technical specs

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
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 multiplierYesYes

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+
TSXno data+
Idle Statesno data+
Thermal Monitoringno data+
SIPPno data-
Turbo Boost Max 3.0no data+
Statusno dataLaunched

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 Protectionno data+
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+no data
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
ECC memory supportno data-

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 16.82
+2.2%
i9-11900KF 16.45

Ryzen 7 5800 outperforms Core i9-11900KF by 2% in our combined benchmark results.


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.

Benchmark coverage: 68%

Ryzen 7 5800 25828
+2.2%
i9-11900KF 25273

Ryzen 7 5800 outperforms Core i9-11900KF by 2% in Passmark.

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.

Benchmark coverage: 42%

Ryzen 7 5800 2049
i9-11900KF 2320
+13.2%

Core i9-11900KF outperforms Ryzen 7 5800 by 13% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Ryzen 7 5800 8739
i9-11900KF 10111
+15.7%

Core i9-11900KF outperforms Ryzen 7 5800 by 16% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 16.82 16.45
Recency 5 November 2020 16 March 2021
Chip lithography 7 nm 14 nm
Power consumption (TDP) 65 Watt 125 Watt

We couldn't decide between Ryzen 7 5800 and Core i9-11900KF. The differences in performance seem too small.


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

User ratings

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


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

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.

User ratings: view and submit

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


4.2 222 votes

Rate AMD Ryzen 7 5800 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 402 votes

Rate Intel Core i9-11900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions and comments

Here you can ask a question about Ryzen 7 5800 or Core i9-11900KF, agree or disagree with our judgements, or report an error or mismatch.