Pentium M 745 vs Atom E3845

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Primary details

Comparing Atom E3845 and Pentium M 745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2736not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAtomPentium M
Power efficiency6.29no data
Architecture codenameBay Trail-I (2013)Dothan (2004−2005)
Release date8 October 2013 (11 years ago)10 May 2004 (20 years ago)

Detailed specifications

Atom E3845 and Pentium M 745 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 cores4 (Quad-Core)1 (Single-Core)
Threads41
Base clock speedno data1.8 GHz
Boost clock speed1.91 GHz1.8 GHz
Bus rateno data400 MHz
L1 cache64 KB (per core)32 KB
L2 cache512 KB (per core)2 MB
L3 cache0 KB0 KB
Chip lithography22 nm90 nm
Die sizeno data87 mm2
Maximum core temperatureno data100 °C
Number of transistorsno data144 million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data1.276V-1.34V

Compatibility

Information on Atom E3845 and Pentium M 745 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
SocketIntel BGA1170H-PBGA479,PPGA478
Power consumption (TDP)10 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E3845 and Pentium M 745. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data-
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Atom E3845 and Pentium M 745 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E3845 and Pentium M 745 are enumerated here.

VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E3845 and Pentium M 745. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD GraphicsOn certain motherboards (Chipset feature)

Pros & cons summary


Recency 8 October 2013 10 May 2004
Physical cores 4 1
Threads 4 1
Chip lithography 22 nm 90 nm
Power consumption (TDP) 10 Watt 7 Watt

Atom E3845 has an age advantage of 9 years, 300% more physical cores and 300% more threads, and a 309.1% more advanced lithography process.

Pentium M 745, on the other hand, has 42.9% lower power consumption.

We couldn't decide between Atom E3845 and Pentium M 745. We've got no test results to judge.


Should you still have questions on choice between Atom E3845 and Pentium M 745, ask them in Comments section, and we shall answer.

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Intel Atom E3845
Atom E3845
Intel Pentium M 745
Pentium M 745

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Community ratings

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1.5 18 votes

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3.1 12 votes

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Questions & comments

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