i9-11900KF vs A8-3550MX

#ad 
Buy on Amazon
VS

Aggregate performance score

A8-3550MX
2011
4 cores / 4 threads, 45 Watt
1.06
Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.69
+1380%

Core i9-11900KF outperforms A8-3550MX by a whopping 1380% based on our aggregate benchmark results.

Primary details

Comparing A8-3550MX and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2431437
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD A-Seriesno data
Power efficiency2.2311.87
Architecture codenameLlano (2011−2012)Rocket Lake (2021)
Release date20 December 2011 (13 years ago)16 March 2021 (3 years ago)

Detailed specifications

A8-3550MX 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 cores4 (Quad-Core)8 (Octa-Core)
Threads416
Base clock speed2 GHz3.5 GHz
Boost clock speed2.7 GHz5.2 GHz
Bus rateno data8 GT/s
L1 cache128K (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache0 KB16 MB (shared)
Chip lithography32 nm14 nm
Die size228 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on A8-3550MX 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
SocketFS1FCLGA1200
Power consumption (TDP)45 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-3550MX and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6620GIntel® 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

A8-3550MX 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 A8-3550MX 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 A8-3550MX and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-3200
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 HD 6620G (444 MHz)no data

Peripherals

Specifications and connection of peripherals supported by A8-3550MX and Core i9-11900KF.

PCIe versionno data4.0
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.

A8-3550MX 1.06
i9-11900KF 15.69
+1380%

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.

A8-3550MX 1687
i9-11900KF 24928
+1378%

Gaming performance

Pros & cons summary


Performance score 1.06 15.69
Recency 20 December 2011 16 March 2021
Physical cores 4 8
Threads 4 16
Chip lithography 32 nm 14 nm
Power consumption (TDP) 45 Watt 125 Watt

A8-3550MX has 177.8% lower power consumption.

i9-11900KF, on the other hand, has a 1380.2% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 300% more threads, and a 128.6% more advanced lithography process.

The Core i9-11900KF is our recommended choice as it beats the A8-3550MX in performance tests.

Be aware that A8-3550MX is a notebook processor while Core i9-11900KF is a desktop one.


Should you still have questions on choice between A8-3550MX 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 A8-3550MX
A8-3550MX
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 24 votes

Rate A8-3550MX 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 A8-3550MX or Core i9-11900KF, agree or disagree with our judgements, or report an error or mismatch.