Ultra 7 265KF vs Mobile Sempron SI-40

#ad 
Buy on Amazon
VS

Aggregate performance score

Mobile Sempron SI-40
2008
1 core / 1 thread, 25 Watt
0.20
Core Ultra 7 265KF
2024
20 cores / 20 threads, 125 Watt
37.07
+18435%

Core Ultra 7 265KF outperforms Mobile Sempron SI-40 by a whopping 18435% based on our aggregate benchmark results.

Primary details

Comparing Mobile Sempron SI-40 and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking323989
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data97.72
Market segmentLaptopDesktop processor
SeriesAMD Mobile Sempronno data
Power efficiency0.7628.05
Architecture codenameSable (2008−2009)Arrow Lake-S (2024−2025)
Release date4 July 2008 (16 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$379

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Mobile Sempron SI-40 and Core Ultra 7 265KF 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)20 (Icosa-Core)
Threads120
Base clock speedno data3.9 GHz
Boost clock speed2 GHz5.5 GHz
Bus rate1800 MHzno data
L1 cacheno data112 KB (per core)
L2 cache512 KB3 MB (per core)
L3 cacheno data30 MB (shared)
Chip lithography65 nm3 nm
Die sizeno data243 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Mobile Sempron SI-40 and Core Ultra 7 265KF 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
SocketS1g21851
Power consumption (TDP)25 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Core Ultra 7 265KF. You'll probably need this information if you require some particular technology.

Instruction set extensions65 nm, 1.075 - 1.125Vno data
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

Mobile Sempron SI-40 and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Mobile Sempron SI-40 and Core Ultra 7 265KF are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-40 and Core Ultra 7 265KF. 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 dataN/A

Peripherals

Specifications and connection of peripherals supported by Mobile Sempron SI-40 and Core Ultra 7 265KF.

PCIe versionno data5.0
PCI Express lanesno data20

Gaming performance

Pros & cons summary


Performance score 0.20 37.07
Recency 4 July 2008 24 October 2024
Physical cores 1 20
Threads 1 20
Chip lithography 65 nm 3 nm
Power consumption (TDP) 25 Watt 125 Watt

Mobile Sempron SI-40 has 400% lower power consumption.

Ultra 7 265KF, on the other hand, has a 18435% higher aggregate performance score, an age advantage of 16 years, 1900% more physical cores and 1900% more threads, and a 2066.7% more advanced lithography process.

The Core Ultra 7 265KF is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.

Be aware that Mobile Sempron SI-40 is a notebook processor while Core Ultra 7 265KF is a desktop one.


Should you still have questions on choice between Mobile Sempron SI-40 and Core Ultra 7 265KF, 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-40
Mobile Sempron SI-40
Intel Core Ultra 7 265KF
Core Ultra 7 265KF

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.


3.7 35 votes

Rate Mobile Sempron SI-40 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 38 votes

Rate Core Ultra 7 265KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Mobile Sempron SI-40 or Core Ultra 7 265KF, agree or disagree with our judgements, or report an error or mismatch.