Pentium Dual T4500 vs Mobile Sempron SI-40

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Aggregate performance score

Mobile Sempron SI-40
2008
1 core / 1 thread, 25 Watt
0.20
Pentium Dual Core T4500
2010
2 cores / 2 threads, 35 Watt
0.84
+320%

Pentium Dual Core T4500 outperforms Mobile Sempron SI-40 by a whopping 320% based on our aggregate benchmark results.

Primary details

Comparing Mobile Sempron SI-40 and Pentium Dual Core T4500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking32392584
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Mobile SempronIntel Pentium Dual Core
Power efficiency0.762.27
Architecture codenameSable (2008−2009)Penryn (2008−2011)
Release date4 July 2008 (16 years ago)1 January 2010 (14 years ago)

Detailed specifications

Mobile Sempron SI-40 and Pentium Dual Core T4500 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)2 (Dual-core)
Threads12
Base clock speedno data2.3 GHz
Boost clock speed2 GHz2.3 GHz
Bus rate1800 MHz800 MHz
L1 cacheno data128 KB
L2 cache512 KB1 MB
L3 cacheno data0 KB
Chip lithography65 nm45 nm
Die sizeno data107 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data410 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Mobile Sempron SI-40 and Pentium Dual Core T4500 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
SocketS1g2P
Power consumption (TDP)25 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Mobile Sempron SI-40 and Pentium Dual Core T4500. You'll probably need this information if you require some particular technology.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Mobile Sempron SI-40 and Pentium Dual Core T4500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3

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 SI-40 0.20
Pentium Dual T4500 0.84
+320%

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-40 772
Pentium Dual T4500 1898
+146%

Gaming performance

Pros & cons summary


Performance score 0.20 0.84
Recency 4 July 2008 1 January 2010
Physical cores 1 2
Threads 1 2
Chip lithography 65 nm 45 nm
Power consumption (TDP) 25 Watt 35 Watt

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

Pentium Dual T4500, on the other hand, has a 320% higher aggregate performance score, an age advantage of 1 year, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

The Pentium Dual Core T4500 is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.


Should you still have questions on choice between Mobile Sempron SI-40 and Pentium Dual Core T4500, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Mobile Sempron SI-40
Mobile Sempron SI-40
Intel Pentium Dual Core T4500
Pentium Dual Core T4500

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

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Questions & comments

Here you can ask a question about Mobile Sempron SI-40 or Pentium Dual Core T4500, agree or disagree with our judgements, or report an error or mismatch.