Intel Core i5-540UM vs Intel Core i5-430UM

Intel Core i5-540UM

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The Intel Core i5-540UM is a Ultra Low Voltage dual-core processor for small and light laptops. It is clocked with 1.2 - 2 GHz (if Turbo Boost is enabled). Each core is based on the Nehalem (Westmere) micro-architecture. Hyperthreading enables the Dual Core CPU to handle 4 threads at once (for a better usage of the pipeline). AES, VT-d and Trusted Execution are activated (compared to the 430UM).

A feature of the new Core i5-540UM is the integrated graphics card (called Intel HD Graphics) and memory controller. Both are on a separate die that is still manufactured in 45nm whereas the CPU die is already manufactured in the new 32nm process.

Due to the integrated memory controller, the HyperThreading and Turbo Boost, the  Core i5-540UM is faster than a similar clocked Core 2 Duo (1.2 GHz) in all (us known) applications and benchmarks. Still the Turbo Boost may not trigger very often (sometimes it is even not activated in the BIOS) and therefore the maximum of 2 GHz may not be important.

The integrated Intel Graphics Media Accelerator HD (GMA HD) graphics card is between 166-500 MHz (Turbo Boost) and therefore the base speed is clearly below the non low voltage versions. The performance should still be faster than the old GMA 4500MHD.

The power consumption of 18 Watt TDP (max.) counts for the whole package and therefore it is clearly better than the 17 Watt TDP of the Core 2 Duo SL-series (CPU alone).

Intel Core i5-430UM

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The Intel Core i5-430UM is a Ultra Low Voltage dual-core processor for small and light laptops. It is clocked with 1.2 - 1.7 GHz (if Turbo Boost is enabled). Each core is based on the Nehalem (Westmere) micro-architecture. Hyperthreading enables the Dual Core CPU to handle 4 threads at once (for a better usage of the pipeline). AES, VT-d and Trusted Execution are deactivated for the 430UM, compared to the i7 UM CPUs.

A feature of the new Core i5-430UM is the integrated graphics card (called Intel HD Graphics) and memory controller. Both are on a separate die that is still manufactured in 45nm whereas the CPU die is already manufactured in the new 32nm process.

Due to the integrated memory controller, the HyperThreading and Turbo Boost, the  Core i3-430UM is faster than a similar clocked Core 2 Duo (1.2 GHz) in all (us known) applications and benchmarks. Still the Turbo Boost may not trigger very often (sometimes it is even not activated in the BIOS) and therefore the maximum of 1.83 GHz may not be important.

The integrated Intel Graphics Media Accelerator HD (GMA HD) graphics card is between 166-500 MHz (Turbo Boost) and therefore the base speed is clearly below the non low voltage versions. The performance should still be faster than the old GMA 4500MHD.

The power consumption of 18 Watt TDP (max.) counts for the whole package and therefore it is clearly better than the 17 Watt TDP of the Core 2 Duo SL-series (CPU alone).

Intel Core i5-540UMIntel Core i5-430UM
Intel Core i5Intel Core i5
ArrandaleArrandale
: Core i5 Arrandale
Intel Core i5-580M (compare)2666 - 3333 MHz2 / 43 MB
Intel Core i5-560M (compare)2667 - 3200 MHz2 / 43 MB
Intel Core i5-480M (compare)2666 - 2933 MHz2 / 43 MB
Intel Core i5-540M (compare)2530 - 3066 MHz2 / 43 MB
Intel Core i5-460M (compare)2530 - 2800 MHz2 / 43 MB
Intel Core i5-520M (compare)2400 - 2933 MHz2 / 43 MB
Intel Core i5-450M (compare)2400 - 2660 MHz2 / 43 MB
Intel Core i5-430M (compare)2260 - 2533 MHz2 / 43 MB
Intel Core i5-560UM (compare)1333 - 2130 MHz2 / 43 MB
Intel Core i5-470UM (compare)1333 - 1867 MHz2 / 43 MB
» Intel Core i5-540UM1200 - 2000 MHz2 / 43 MB
Intel Core i5-520UM (compare)1060 - 1866 MHz2 / 43 MB
Intel Core i5-430UM1200 - 1730 MHz2 / 43 MB
Intel Core i5-580M (compare)2666 - 3333 MHz2 / 43 MB
Intel Core i5-560M (compare)2667 - 3200 MHz2 / 43 MB
Intel Core i5-480M (compare)2666 - 2933 MHz2 / 43 MB
Intel Core i5-540M (compare)2530 - 3066 MHz2 / 43 MB
Intel Core i5-460M (compare)2530 - 2800 MHz2 / 43 MB
Intel Core i5-520M (compare)2400 - 2933 MHz2 / 43 MB
Intel Core i5-450M (compare)2400 - 2660 MHz2 / 43 MB
Intel Core i5-430M (compare)2260 - 2533 MHz2 / 43 MB
Intel Core i5-560UM (compare)1333 - 2130 MHz2 / 43 MB
Intel Core i5-470UM (compare)1333 - 1867 MHz2 / 43 MB
Intel Core i5-540UM1200 - 2000 MHz2 / 43 MB
Intel Core i5-520UM (compare)1060 - 1866 MHz2 / 43 MB
» Intel Core i5-430UM1200 - 1730 MHz2 / 43 MB
1200 - 2000 MHz1200 - 1730 MHz
25002500
512 KB512 KB
3 MB3 MB
2 / 42 / 4
18 18
382+177 382+177
32 32
81+114 mm281+114 mm2
105 °C105 °C
BGA1288BGA1288
Intel HD Graphics 166-500MHz, DDR3-800 Memory Controller, Turbo Boost, Hyper-Threading, Virtualization Technology VT-x, Intel 64, Idle States, Enhanced Speedstep, Thermal Monitoring, Fast Memory Access, Flex Memory Access, Execute Disable BitIntel HD Graphics 166-500MHz, DDR3-800 Memory Controller, Turbo Boost, Hyper-Threading, Virtualization Technology VT-x, Intel 64, Idle States, Enhanced Speedstep, Thermal Monitoring, Fast Memory Access, Flex Memory Access, Execute Disable Bit
$250 U.S.
Intel Core i5 540UMIntel Core i5 430UM

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2017-09-11)