Mobile Sempron SI-40 vs i7-2655LE

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Aggregate performance score

Core i7-2655LE
2 cores / 4 threads, 25 Watt
1.26
+530%
Mobile Sempron SI-40
2008
1 core / 1 thread, 25 Watt
0.20

Core i7-2655LE outperforms Mobile Sempron SI-40 by a whopping 530% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2655LE and Mobile Sempron SI-40 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22943216
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.03no data
Market segmentLaptopLaptop
SeriesIntel Core i7AMD Mobile Sempron
Power efficiency4.770.76
Architecture codenameSandy Bridge (2011−2013)Sable (2008−2009)
Release dateno data (2024 years ago)4 July 2008 (16 years ago)
Launch price (MSRP)$346no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2655LE 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)
Threads41
Boost clock speed2.2 GHz2 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s1800 MHz
Multiplier22no data
L1 cache128 KBno data
L2 cache512 KB512 KB
L3 cache4 MBno data
Chip lithography32 nm65 nm
Maximum core temperatureno data100 °C
Number of transistors624 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2655LE 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 configuration1 (Uniprocessor)no data
Socketno dataS1g2
Power consumption (TDP)25 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2655LE 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
AES-NI+-
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data

Security technologies

Core i7-2655LE and Mobile Sempron SI-40 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2655LE and Mobile Sempron SI-40 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2655LE and Mobile Sempron SI-40. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory size16 GBno data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000no data

Gaming performance

Pros & cons summary


Performance score 1.26 0.20
Physical cores 2 1
Threads 4 1
Chip lithography 32 nm 65 nm

i7-2655LE has a 530% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 103.1% more advanced lithography process.

The Core i7-2655LE is our recommended choice as it beats the Mobile Sempron SI-40 in performance tests.


Should you still have questions on choice between Core i7-2655LE and Mobile Sempron SI-40, ask them in Comments section, and we shall answer.

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Intel Core i7-2655LE
Core i7-2655LE
AMD Mobile Sempron SI-40
Mobile Sempron SI-40

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Community ratings

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1.5 2 votes

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3.7 35 votes

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Questions & comments

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