Mobile Sempron SI-40 vs Core 2 Duo T9550

Aggregate performance score

Core 2 Duo T9550
2009
2 cores / 2 threads, 35 Watt
1.14
+470%
Mobile Sempron SI-40
2008
1 core / 1 thread, 25 Watt
0.20

Core 2 Duo T9550 outperforms Mobile Sempron SI-40 by a whopping 470% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo T9550 and Mobile Sempron SI-40 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23933239
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoAMD Mobile Sempron
Power efficiency3.080.76
Architecture codenamePenryn (2008−2011)Sable (2008−2009)
Release date1 January 2009 (15 years ago)4 July 2008 (16 years ago)
Launch price (MSRP)$316no data

Detailed specifications

Core 2 Duo T9550 and Mobile Sempron SI-40 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 cores2 (Dual-core)1 (Single-Core)
Threads21
Base clock speed2.66 GHzno data
Boost clock speed2.66 GHz2 GHz
Bus rate1066 MHz1800 MHz
L1 cache128 KBno data
L2 cache6 MB512 KB
L3 cache6 MB L2 Cacheno data
Chip lithography45 nm65 nm
Die size107 mm2no data
Maximum core temperature105 °C100 °C
Number of transistors410 Millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.212Vno data

Compatibility

Information on Core 2 Duo T9550 and Mobile Sempron SI-40 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.

SocketBGA479,PGA478S1g2
Power consumption (TDP)35 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9550 and Mobile Sempron SI-40. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data65 nm, 1.075 - 1.125V
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo T9550 and Mobile Sempron SI-40 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9550 and Mobile Sempron SI-40 are enumerated here.

VT-x+no data

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.

Core 2 Duo T9550 1.14
+470%
Mobile Sempron SI-40 0.20

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.

Core 2 Duo T9550 2385
+209%
Mobile Sempron SI-40 772

Gaming performance

Pros & cons summary


Performance score 1.14 0.20
Recency 1 January 2009 4 July 2008
Physical cores 2 1
Threads 2 1
Chip lithography 45 nm 65 nm
Power consumption (TDP) 35 Watt 25 Watt

Core 2 Duo T9550 has a 470% higher aggregate performance score, an age advantage of 5 months, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

Mobile Sempron SI-40, on the other hand, has 40% lower power consumption.

The Core 2 Duo T9550 is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.


Should you still have questions on choice between Core 2 Duo T9550 and Mobile Sempron SI-40, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo T9550
Core 2 Duo T9550
AMD Mobile Sempron SI-40
Mobile Sempron SI-40

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Community ratings

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4.5 93 votes

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Questions & comments

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