Core i7-920XM Extreme Edition vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Core i7-920XM Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2256	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Core i7EE
Power efficiency	1.34	no data
Architecture codename	Yorkfield (2007−2009)	Nehalem (2008−2010)
Release date	August 2008 (16 years ago)	no data
Launch price (MSRP)	no data	$1,054

Detailed specifications

Core 2 Quad Q9400 and Core i7-920XM Extreme Edition 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	no data
Boost clock speed	2.67 GHz	2 GHz
Bus type	no data	DMI
Bus rate	1333 MHz	2.5 GT/s
Multiplier	no data	15
L1 cache	64K (per core)	256 KB
L2 cache	6 MB (shared)	1 MB
L3 cache	0 KB	8 MB
Chip lithography	45 nm	45 nm
Die size	2x 81 mm2	296 mm2
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	774 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and Core i7-920XM Extreme Edition 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	1 (Uniprocessor)
Socket	LGA775	no data
Power consumption (TDP)	95 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core i7-920XM Extreme Edition. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
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

Security technologies

Core 2 Quad Q9400 and Core i7-920XM Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core i7-920XM Extreme Edition are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core i7-920XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3-1333
Maximum memory size	no data	8 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21.335 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Core i7-920XM Extreme Edition.

PCIe version	no data	2.0
PCI Express lanes	no data	16

Pros & cons summary

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Threads	4	8
Power consumption (TDP)	95 Watt	55 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and Core i7-920XM Extreme Edition, ask them in Comments section, and we shall answer.

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