Pentium M 745 vs Phenom II X4 820

Primary details

Comparing Phenom II X4 820 and Pentium M 745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2255not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.10no data
Market segmentDesktop processorLaptop
Seriesno dataPentium M
Power efficiency1.31no data
Architecture codenameDeneb (2009−2011)Dothan (2004−2005)
Release date1 September 2009 (15 years ago)10 May 2004 (20 years ago)
Launch price (MSRP)$90no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 820 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 speed2.8 GHz1.8 GHz
Boost clock speed2.8 GHz1.8 GHz
Bus rateno data400 MHz
L1 cache128 KB (per core)32 KB
L2 cache512 KB (per core)2 MB
L3 cache4 MB (shared)0 KB
Chip lithography45 nm90 nm
Die size258 mm287 mm2
Maximum core temperatureno data100 °C
Number of transistors758 million144 million
64 bit support+-
Windows 11 compatibility--
VID voltage rangeno data1.276V-1.34V

Compatibility

Information on Phenom II X4 820 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
SocketAM3H-PBGA479,PPGA478
Power consumption (TDP)95 Watt7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 820 and Pentium M 745. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data-
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Phenom II X4 820 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 Phenom II X4 820 and Pentium M 745 are enumerated here.

AMD-V+-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 820 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 cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 820 and Pentium M 745.

PCIe version2.0no data

Pros & cons summary


Recency 1 September 2009 10 May 2004
Physical cores 4 1
Threads 4 1
Chip lithography 45 nm 90 nm
Power consumption (TDP) 95 Watt 7 Watt

Phenom II X4 820 has an age advantage of 5 years, 300% more physical cores and 300% more threads, and a 100% more advanced lithography process.

Pentium M 745, on the other hand, has 1257.1% lower power consumption.

We couldn't decide between Phenom II X4 820 and Pentium M 745. We've got no test results to judge.

Note that Phenom II X4 820 is a desktop processor while Pentium M 745 is a notebook one.


Should you still have questions on choice between Phenom II X4 820 and Pentium M 745, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 820
Phenom II X4 820
Intel Pentium M 745
Pentium M 745

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Community ratings

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4.5 58 votes

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3.1 12 votes

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Questions & comments

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