Ryzen 9 9900X vs Mobile Sempron 3400+

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Aggregate performance score

Mobile Sempron 3400+
1 core / 1 thread, 62 Watt
0.17
Ryzen 9 9900X
2024
12 cores / 24 threads, 120 Watt
34.52
+20206%

Ryzen 9 9900X outperforms Mobile Sempron 3400+ by a whopping 20206% based on our aggregate benchmark results.

Primary details

Comparing Mobile Sempron 3400+ and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3280109
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data66.82
Market segmentLaptopDesktop processor
SeriesMobile Sempronno data
Power efficiency0.2627.21
Architecture codenameAlbanyGranite Ridge (2024)
Release dateno data15 August 2024 (less than a year ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Mobile Sempron 3400+ and Ryzen 9 9900X 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 cores1 (Single-Core)12 (Dodeca-Core)
Threads124
Base clock speedno data4.4 GHz
Boost clock speed2 GHz5.6 GHz
Bus rate800 MHzno data
L1 cacheno data80 KB (per core)
L2 cacheno data1 MB (per core)
L3 cacheno data64 MB (shared)
Chip lithographyno data4 nm
Die sizeno data2x 70.6 mm2
Maximum core temperatureno data95 °C
Number of transistorsno data16,630 million
64 bit support-+
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Mobile Sempron 3400+ and Ryzen 9 9900X 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 configurationno data1
Socketno dataAM5
Power consumption (TDP)62 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron 3400+ and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Sempron 3400+ and Ryzen 9 9900X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron 3400+ and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Mobile Sempron 3400+ and Ryzen 9 9900X.

PCIe versionno data5.0
PCI Express lanesno data24

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.

Mobile Sempron 3400+ 0.17
Ryzen 9 9900X 34.52
+20206%

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.

Mobile Sempron 3400+ 269
Ryzen 9 9900X 54828
+20282%

Gaming performance

Pros & cons summary


Performance score 0.17 34.52
Physical cores 1 12
Threads 1 24
Power consumption (TDP) 62 Watt 120 Watt

Mobile Sempron 3400+ has 93.5% lower power consumption.

Ryzen 9 9900X, on the other hand, has a 20205.9% higher aggregate performance score, and 1100% more physical cores and 2300% more threads.

The Ryzen 9 9900X is our recommended choice as it beats the Mobile Sempron 3400+ in performance tests.

Be aware that Mobile Sempron 3400+ is a notebook processor while Ryzen 9 9900X is a desktop one.


Should you still have questions on choice between Mobile Sempron 3400+ and Ryzen 9 9900X, 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 Mobile Sempron 3400+
Mobile Sempron 3400+
AMD Ryzen 9 9900X
Ryzen 9 9900X

Similar processor comparisons

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Community ratings

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


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Questions & comments

Here you can ask a question about Mobile Sempron 3400+ or Ryzen 9 9900X, agree or disagree with our judgements, or report an error or mismatch.