Core i7-940XM Extreme Edition vs Core 2 Extreme QX9300

Primary details

Comparing Core 2 Extreme QX9300 and Core i7-940XM Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2377	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Core 2 Extreme	Intel Core i7EE
Power efficiency	2.39	no data
Architecture codename	Penryn (2008−2011)	Nehalem (2008−2010)
Release date	August 2008 (16 years ago)	5 February 2010 (14 years ago)
Launch price (MSRP)	no data	$1,096

Detailed specifications

Core 2 Extreme QX9300 and Core i7-940XM 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	2.53 GHz	no data
Boost clock speed	2.53 GHz	2.13 GHz
Bus type	no data	DMI
Bus rate	1066 MHz	2.5 GT/s
Multiplier	no data	16
L1 cache	64 KB	256 KB
L2 cache	12 MB	1 MB
L3 cache	0 KB	8 MB
Chip lithography	45 nm	45 nm
Die size	2x 107 mm2	296 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	774 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	1.05V-1.175V	no data

Compatibility

Information on Core 2 Extreme QX9300 and Core i7-940XM 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	2	1 (Uniprocessor)
Socket	PGA478	no data
Power consumption (TDP)	45 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9300 and Core i7-940XM 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
Demand Based Switching	-	no data
AMT	+	no data
FSB parity	-	no data

Security technologies

Core 2 Extreme QX9300 and Core i7-940XM 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 Extreme QX9300 and Core i7-940XM Extreme Edition are enumerated here.

VT-d	no data	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9300 and Core i7-940XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	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 Extreme QX9300 and Core i7-940XM 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)	45 Watt	55 Watt

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Should you still have questions on choice between Core 2 Extreme QX9300 and Core i7-940XM Extreme Edition, ask them in Comments section, and we shall answer.

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