i5-2540LM vs Pentium 3805U

#ad 
Buy on Amazon
VS

Primary details

Comparing Pentium 3805U and Core i5-2540LM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2628not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel PentiumIntel Core i5
Architecture codenameBroadwell-U (2015)Sandy Bridge (2011−2013)
Release date1 March 2015 (9 years ago)no data
Launch price (MSRP)$161no data

Detailed specifications

Pentium 3805U and Core i5-2540LM 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)2 (Dual-core)
Threads24
Base clock speed1.9 GHzno data
Boost clock speed1.9 GHz1.8 GHz
Bus typeno dataDMI 2.0
Bus rate5 GT/s4 × 5 GT/s
Multiplierno data18
L1 cache64K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache2 MB (shared)3 MB
Chip lithography14 nm32 nm
Die size82 mm2149 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)105 °Cno data
Number of transistors1300 Million624 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium 3805U and Core i5-2540LM 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 configuration11 (Uniprocessor)
SocketFCBGA1168no data
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Core i5-2540LM. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI-+
FMA-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
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
FDI+no data
Fast Memory Access+no data
StatusDiscontinuedno data

Security technologies

Pentium 3805U and Core i5-2540LM technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Core i5-2540LM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3805U and Core i5-2540LM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1333
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 5th Generation Intel® ProcessorsIntel HD Graphics 3000
Quick Sync Video+-
Clear Video+no data
Graphics max frequency800 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Core i5-2540LM integrated GPUs.

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

Graphics API support

APIs supported by Pentium 3805U and Core i5-2540LM integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Core i5-2540LM.

PCIe version2.0no data
PCI Express lanes12no data

Pros & cons summary


Threads 2 4
Chip lithography 14 nm 32 nm
Power consumption (TDP) 15 Watt 35 Watt

Pentium 3805U has a 128.6% more advanced lithography process, and 133.3% lower power consumption.

i5-2540LM, on the other hand, has 100% more threads.

We couldn't decide between Pentium 3805U and Core i5-2540LM. We've got no test results to judge.


Should you still have questions on choice between Pentium 3805U and Core i5-2540LM, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Pentium 3805U
Pentium 3805U
Intel Core i5-2540LM
Core i5-2540LM

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.6 23 votes

Rate Pentium 3805U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 2 votes

Rate Core i5-2540LM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium 3805U or Core i5-2540LM, agree or disagree with our judgements, or report an error or mismatch.