Itanium 9550 vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Itanium 9550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2243	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	1.33	no data
Architecture codename	Yorkfield (2007−2009)	no data
Release date	August 2008 (16 years ago)	1 October 2012 (12 years ago)

Detailed specifications

Core 2 Quad Q9400 and Itanium 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 cores	4 (Quad-Core)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.66 GHz	2.4 GHz
Boost clock speed	2.67 GHz	no data
Bus rate	1333 MHz	6.4 GT/s
L1 cache	64K (per core)	no data
L2 cache	6 MB (shared)	no data
L3 cache	0 KB	32 MB
Chip lithography	45 nm	32 nm
Die size	2x 81 mm2	no data
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and Itanium 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 configuration	1	no data
Socket	LGA775	LGA1248
Power consumption (TDP)	95 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Itanium 9550. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Quad Q9400 and Itanium 9550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Itanium 9550 are enumerated here.

VT-d	+	+
VT-x	+	+
VT-i	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Itanium 9550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	no data
ECC memory support	-	+

Pros & cons summary

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Threads	4	8
Chip lithography	45 nm	32 nm
Power consumption (TDP)	95 Watt	170 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and Itanium 9550, ask them in Comments section, and we shall answer.

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