Phenom X4 9950 BE (140W) vs Core 2 Quad Q9550

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and Phenom X4 9950 BE (140W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2158not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Power efficiency1.46no data
Architecture codenameYorkfield (2007−2009)Agena (2007−2008)
Release dateno data (2024 years ago)March 2008 (16 years ago)

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Phenom X4 9950 BE (140W) 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)4 (Quad-Core)
Threads44
Boost clock speed2.83 GHz2.6 GHz
Bus rate1333 MHzno data
L1 cacheno data128 KB (per core)
L2 cache12288 KB512 KB (per core)
L3 cacheno data2 MB (shared)
Chip lithography45 nm65 nm
Die sizeno data285 mm2
Number of transistorsno data450 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Phenom X4 9950 BE (140W) 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 configurationno data1
SocketLGA775AM2+
Power consumption (TDP)95 Watt140 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Phenom X4 9950 BE (140W) are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Phenom X4 9950 BE (140W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3no data

Pros & cons summary


Chip lithography 45 nm 65 nm
Power consumption (TDP) 95 Watt 140 Watt

Core 2 Quad Q9550 has a 44.4% more advanced lithography process, and 47.4% lower power consumption.

We couldn't decide between Core 2 Quad Q9550 and Phenom X4 9950 BE (140W). We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q9550 and Phenom X4 9950 BE (140W), ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9550
Core 2 Quad Q9550
AMD Phenom X4 9950 BE (140W)
Phenom X4 9950 BE (140W)

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Community ratings

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4.1 1865 votes

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