Duo T2600 vs i7-840QM

Primary details

Comparing Core i7-840QM and Core Duo T2600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2279	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core Duo
Architecture codename	Clarksfield (2009−2010)	Yonah (2005−2006)
Release date	22 June 2010 (14 years ago)	5 January 2006 (18 years ago)
Launch price (MSRP)	$568	$440

Detailed specifications

Core i7-840QM and Core Duo T2600 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)	2 (Dual-core)
Threads	8	2
Base clock speed	1.86 GHz	2.16 GHz
Boost clock speed	3.2 GHz	2.16 GHz
Bus type	DMI 1.0	no data
Bus rate	2.5 GT/s	667 MHz
Multiplier	14	no data
L1 cache	256 KB	0 KB
L2 cache	1 MB	2 MB
L3 cache	8 MB	0 KB
Chip lithography	45 nm	65 nm
Die size	296 mm2	90 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	774 Million	151 Million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	no data	1.1625V - 1.3V

Compatibility

Information on Core i7-840QM and Core Duo T2600 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 (Uniprocessor)	1
Socket	FCPGA988,PGA988	PPGA478, PBGA479
Power consumption (TDP)	45 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Core Duo T2600. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	-
Hyper-Threading Technology	+	-
Idle States	+	-
Thermal Monitoring	+	-
Demand Based Switching	no data	-
PAE	36 Bit	32 Bit
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Core i7-840QM and Core Duo T2600 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-840QM and Core Duo T2600 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Core Duo T2600. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

None

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Core Duo T2600.

PCIe version	2	no data
PCI Express lanes	16	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	22 June 2010	5 January 2006
Physical cores	4	2
Threads	8	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	45 Watt	31 Watt

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Should you still have questions on choice between Core i7-840QM and Core Duo T2600, ask them in Comments section, and we shall answer.

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