Phenom X4 9550 vs Core 2 Extreme QX9650

Primary details

Comparing Core 2 Extreme QX9650 and Phenom X4 9550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2397
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Architecture codenameYorkfield (2007−2009)Agena (2007−2008)
Release dateNovember 2007 (16 years ago)March 2008 (16 years ago)

Detailed specifications

Core 2 Extreme QX9650 and Phenom X4 9550 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
Base clock speed3 GHzno data
Boost clock speed3 GHz2.2 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)128 KB (per core)
L2 cache12 MB (shared)512 KB (per core)
L3 cache0 KB2 MB (shared)
Chip lithography45 nm65 nm
Die size2x 107 mm2285 mm2
Maximum case temperature (TCase)64 °Cno data
Number of transistors820 million450 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Extreme QX9650 and Phenom X4 9550 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
SocketLGA775AM2+
Power consumption (TDP)130 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9650 and Phenom X4 9550. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity+no data
StatusDiscontinuedno data

Security technologies

Core 2 Extreme QX9650 and Phenom X4 9550 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9650 and Phenom X4 9550 are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9650 and Phenom X4 9550. 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) 130 Watt 95 Watt

Core 2 Extreme QX9650 has a 44.4% more advanced lithography process.

Phenom X4 9550, on the other hand, has 36.8% lower power consumption.

We couldn't decide between Core 2 Extreme QX9650 and Phenom X4 9550. We've got no test results to judge.


Should you still have questions on choice between Core 2 Extreme QX9650 and Phenom X4 9550, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX9650
Core 2 Extreme QX9650
AMD Phenom X4 9550
Phenom X4 9550

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Community ratings

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4.1 114 votes

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3.8 139 votes

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