Mobile Sempron SI-40 vs Pentium 4405U

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Primary details

Comparing Pentium 4405U and Mobile Sempron SI-40 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2243not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel PentiumAMD Mobile Sempron
Power efficiency8.39no data
Architecture codenameSkylake (2015−2016)Sable (2008−2009)
Release date1 September 2015 (9 years ago)4 July 2008 (16 years ago)
Launch price (MSRP)$161no data

Detailed specifications

Pentium 4405U 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
Base clock speed2.1 GHzno data
Boost clock speed2.1 GHz2 GHz
Bus typeOPIno data
Bus rate4 GT/s1800 MHz
Multiplier21no data
L1 cache128 KBno data
L2 cache512 KB512 KB
L3 cache2 MBno data
Chip lithography14 nm65 nm
Die size98.57 mm2no data
Maximum core temperature100 °C100 °C
Number of transistors1750 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium 4405U 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
SocketFCBGA1356S1g2
Power consumption (TDP)15 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4405U and Mobile Sempron SI-40. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.265 nm, 1.075 - 1.125V
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
My WiFi+no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data

Security technologies

Pentium 4405U and Mobile Sempron SI-40 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4405U and Mobile Sempron SI-40 are enumerated here.

AMD-V+-
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4405U and Mobile Sempron SI-40. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 510no data
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency950 MHzno data

Graphics interfaces

Available interfaces and connections of Pentium 4405U and Mobile Sempron SI-40 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Pentium 4405U and Mobile Sempron SI-40 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Pentium 4405U and Mobile Sempron SI-40 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Pentium 4405U and Mobile Sempron SI-40.

PCIe version2.0no data
PCI Express lanes10no data

Pros & cons summary


Recency 1 September 2015 4 July 2008
Physical cores 2 1
Threads 4 1
Chip lithography 14 nm 65 nm
Power consumption (TDP) 15 Watt 25 Watt

Pentium 4405U has an age advantage of 7 years, 100% more physical cores and 300% more threads, a 364.3% more advanced lithography process, and 66.7% lower power consumption.

We couldn't decide between Pentium 4405U and Mobile Sempron SI-40. We've got no test results to judge.


Should you still have questions on choice between Pentium 4405U and Mobile Sempron SI-40, ask them in Comments section, and we shall answer.

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Intel Pentium 4405U
Pentium 4405U
AMD Mobile Sempron SI-40
Mobile Sempron SI-40

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Community ratings

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3.2 132 votes

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3.7 35 votes

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