Pentium D 955 vs Phenom X4 9850 BE

Primary details

Comparing Phenom X4 9850 BE and Pentium D 955 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Architecture codenameAgena (2007−2008)Presler (2005−2007)
Release dateMarch 2008 (16 years ago)January 2006 (18 years ago)

Detailed specifications

Phenom X4 9850 BE and Pentium D 955 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)2 (Dual-core)
Threads4no data
Boost clock speed2.5 GHz3.46 GHz
L1 cache128 KB (per core)28 KB
L2 cache512 KB (per core)4096 KB
L3 cache2 MB (shared)0 KB
Chip lithography65 nm65 nm
Die size285 mm2140 mm2
Number of transistors450 million376 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Phenom X4 9850 BE and Pentium D 955 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 configuration12
SocketAM2+775
Power consumption (TDP)125 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom X4 9850 BE and Pentium D 955. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom X4 9850 BE and Pentium D 955 are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X4 9850 BE and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Pros & cons summary


Physical cores 4 2
Power consumption (TDP) 125 Watt 130 Watt

Phenom X4 9850 BE has 100% more physical cores, and 4% lower power consumption.

We couldn't decide between Phenom X4 9850 BE and Pentium D 955. We've got no test results to judge.


Should you still have questions on choice between Phenom X4 9850 BE and Pentium D 955, ask them in Comments section, and we shall answer.

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AMD Phenom X4 9850 BE
Phenom X4 9850 BE
Intel Pentium D 955
Pentium D 955

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Community ratings

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