i9-11900KF vs Ryzen 7 1700X

VS

Aggregate performance score

Ryzen 7 1700X
2017
8 cores / 16 threads, 95 Watt
9.86
Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.69
+59.1%

Core i9-11900KF outperforms Ryzen 7 1700X by an impressive 59% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 1700X and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking787437
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.61no data
Market segmentDesktop processorDesktop processor
SeriesAMD Ryzen 7no data
Power efficiency9.8211.87
Architecture codenameZen (2017−2020)Rocket Lake (2021)
Release date2 March 2017 (7 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$399no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 1700X 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 speed3.8 GHz5.2 GHz
Bus rate4 × 8 GT/s8 GT/s
Multiplier34no data
L1 cache768 KB64K (per core)
L2 cache4096 KB256K (per core)
L3 cache16384 KB16 MB (shared)
Chip lithography14 nm14 nm
Die size192 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors4,800 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Ryzen 7 1700X 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 configuration1 (Uniprocessor)1
SocketAM4FCLGA1200
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 1700X and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsXFR, FMA3, SSE 4.2, AVX2, SMTIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMAFMA3-
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+
XFR+-
SenseMI+-
Deep Learning Boost-+

Security technologies

Ryzen 7 1700X 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 1700X 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 1700X and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s50 GB/s

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 1700X and Core i9-11900KF.

PCIe versionn/a4.0
PCI Express lanes2020

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 1700X 9.86
i9-11900KF 15.69
+59.1%

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 1700X 15661
i9-11900KF 24928
+59.2%

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 1700X 1098
i9-11900KF 2329
+112%

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 1700X 5603
i9-11900KF 10041
+79.2%

Gaming performance

Pros & cons summary


Performance score 9.86 15.69
Recency 2 March 2017 16 March 2021
Power consumption (TDP) 95 Watt 125 Watt

Ryzen 7 1700X has 31.6% lower power consumption.

i9-11900KF, on the other hand, has a 59.1% higher aggregate performance score, and an age advantage of 4 years.

The Core i9-11900KF is our recommended choice as it beats the Ryzen 7 1700X in performance tests.


Should you still have questions on choice between Ryzen 7 1700X and Core i9-11900KF, 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 7 1700X
Ryzen 7 1700X
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.

Community ratings

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


4.3 743 votes

Rate Ryzen 7 1700X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.1 613 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 7 1700X or Core i9-11900KF, agree or disagree with our judgements, or report an error or mismatch.