Mobile Sempron SI-40 vs Pentium M 770

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Aggregate performance score

Pentium M 770
2005
1 core / 1 thread, 27 Watt
0.19
Mobile Sempron SI-40
2008
1 core / 1 thread, 25 Watt
0.20
+5.3%

Mobile Sempron SI-40 outperforms Pentium M 770 by a small 5% based on our aggregate benchmark results.

Primary details

Comparing Pentium M 770 and Mobile Sempron SI-40 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking32433239
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesPentium MAMD Mobile Sempron
Power efficiency0.670.76
Architecture codenameDothan (2004−2005)Sable (2008−2009)
Release date19 January 2005 (19 years ago)4 July 2008 (16 years ago)

Detailed specifications

Pentium M 770 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 cores1 (Single-Core)1 (Single-Core)
Threads11
Base clock speed2.13 GHzno data
Boost clock speed0.01 GHz2 GHz
Bus rate533 MHz1800 MHz
L1 cache32 KBno data
L2 cache2 MB512 KB
L3 cache0 KBno data
Chip lithography90 nm65 nm
Die size87 mm2no data
Maximum core temperature100 °C100 °C
Number of transistors144 millionno data
64 bit support-+
Windows 11 compatibility--
VID voltage range1.26V-1.372Vno data

Compatibility

Information on Pentium M 770 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.

Number of CPUs in a configuration1no data
SocketPPGA478, H-PBGA479S1g2
Power consumption (TDP)27 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium M 770 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
Idle States-no data
Demand Based Switching-no data
PAE32 Bitno data
FSB parity-no data

Security technologies

Pentium M 770 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 Pentium M 770 and Mobile Sempron SI-40 are enumerated here.

VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium M 770 and Mobile Sempron SI-40. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)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.

Pentium M 770 0.19
Mobile Sempron SI-40 0.20
+5.3%

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.

Pentium M 770 740
Mobile Sempron SI-40 772
+4.3%

Gaming performance

Pros & cons summary


Performance score 0.19 0.20
Recency 19 January 2005 4 July 2008
Chip lithography 90 nm 65 nm
Power consumption (TDP) 27 Watt 25 Watt

Mobile Sempron SI-40 has a 5.3% higher aggregate performance score, an age advantage of 3 years, a 38.5% more advanced lithography process, and 8% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Pentium M 770 and Mobile Sempron SI-40.


Should you still have questions on choice between Pentium M 770 and Mobile Sempron SI-40, ask them in Comments section, and we shall answer.

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Intel Pentium M 770
Pentium M 770
AMD Mobile Sempron SI-40
Mobile Sempron SI-40

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Community ratings

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Questions & comments

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