Pentium III 1266S vs Sempron LE-1100

VS

Aggregate performance score

Sempron LE-1100
2007
1 core / 1 thread, 45 Watt
0.20
+5.3%
Pentium III 1266S
2001
1 core / 1 thread, 30 Watt
0.19

Sempron LE-1100 outperforms Pentium III 1266S by a small 5% based on our aggregate benchmark results.

Primary details

Comparing Sempron LE-1100 and Pentium III 1266S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking32373242
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.420.60
Architecture codenameSparta (2007)Tualatin (2000−2002)
Release dateAugust 2007 (17 years ago)July 2001 (23 years ago)

Detailed specifications

Sempron LE-1100 and Pentium III 1266S 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)1 (Single-Core)
Threads11
Boost clock speed1.9 GHz1.27 GHz
L1 cache128 KB8 KB
L2 cache256 KB512 KB
L3 cache0 KB0 KB
Chip lithography65 nm130 nm
Die sizeno data80 mm2
Maximum case temperature (TCase)no data69 °C
Number of transistorsno data44 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Sempron LE-1100 and Pentium III 1266S 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
SocketAM2370
Power consumption (TDP)45 Watt30 Watt

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.

Sempron LE-1100 0.20
+5.3%
Pentium III 1266S 0.19

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.

Sempron LE-1100 315
+1.9%
Pentium III 1266S 309

Gaming performance

Pros & cons summary


Performance score 0.20 0.19
Chip lithography 65 nm 130 nm
Power consumption (TDP) 45 Watt 30 Watt

Sempron LE-1100 has a 5.3% higher aggregate performance score, and a 100% more advanced lithography process.

Pentium III 1266S, on the other hand, has 50% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Sempron LE-1100 and Pentium III 1266S.


Should you still have questions on choice between Sempron LE-1100 and Pentium III 1266S, 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 Sempron LE-1100
Sempron LE-1100
Intel Pentium III 1266S
Pentium III 1266S

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.


2.9 40 votes

Rate Sempron LE-1100 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 2 votes

Rate Pentium III 1266S on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Sempron LE-1100 or Pentium III 1266S, agree or disagree with our judgements, or report an error or mismatch.