Ryzen 9 6900HX vs Mobile Sempron SI-42

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Primary details

Comparing Mobile Sempron SI-42 and Ryzen 9 6900HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated437
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Mobile SempronAMD Rembrandt (Zen 3+)
Power efficiencyno data32.79
Architecture codenameSable (2008−2009)Rembrandt-H (Zen 3+) (2022)
Release date1 September 2009 (15 years ago)January 2022 (2 years ago)

Detailed specifications

Mobile Sempron SI-42 and Ryzen 9 6900HX 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)8 (Octa-Core)
Threads116
Base clock speedno data3.3 GHz
Boost clock speed2.1 GHz4.9 GHz
Bus rate1800 MHzno data
L1 cache128 KB64K (per core)
L2 cache512 KB512K (per core)
L3 cacheno data16 MB (shared)
Chip lithography65 nm6 nm
Die sizeno data208 mm2
Maximum core temperature100 °C95 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Mobile Sempron SI-42 and Ryzen 9 6900HX 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
SocketS1g2FP7
Power consumption (TDP)25 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-42 and Ryzen 9 6900HX. You'll probably need this information if you require some particular technology.

Instruction set extensions65 nm, 1.075 - 1.125MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Sempron SI-42 and Ryzen 9 6900HX are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-42 and Ryzen 9 6900HX. 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 680M

Peripherals

Specifications and connection of peripherals supported by Mobile Sempron SI-42 and Ryzen 9 6900HX.

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.



3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Mobile Sempron SI-42 787
Ryzen 9 6900HX 13274
+1587%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Mobile Sempron SI-42 76
Ryzen 9 6900HX 3.77
+1916%

Pros & cons summary


Physical cores 1 8
Threads 1 16
Chip lithography 65 nm 6 nm
Power consumption (TDP) 25 Watt 45 Watt

Mobile Sempron SI-42 has 80% lower power consumption.

Ryzen 9 6900HX, on the other hand, has 700% more physical cores and 1500% more threads, and a 983.3% more advanced lithography process.

We couldn't decide between Mobile Sempron SI-42 and Ryzen 9 6900HX. We've got no test results to judge.


Should you still have questions on choice between Mobile Sempron SI-42 and Ryzen 9 6900HX, 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 SI-42
Mobile Sempron SI-42
AMD Ryzen 9 6900HX
Ryzen 9 6900HX

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.


3.1 14 votes

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4.1 458 votes

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Questions & comments

Here you can ask a question about Mobile Sempron SI-42 or Ryzen 9 6900HX, agree or disagree with our judgements, or report an error or mismatch.