Core Duo T2300 vs Core i7-940

Primary details

Comparing Core i7-940 and Core Duo T2300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1889	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.24	no data
Market segment	Desktop processor	Laptop
Series	Core i7 (Desktop)	Core Duo
Architecture codename	Bloomfield (2008−2010)	Yonah (2005−2006)
Release date	November 2008 (15 years ago)	January 2006 (18 years ago)
Launch price (MSRP)	$299	no data
Current price	$150 (0.5x MSRP)	$71

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-940 and Core Duo T2300 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	2.93 GHz	1.66 GHz
Boost clock speed	3.2 GHz	1.66 GHz
Bus support	1333 MHz	667 MHz
L1 cache	64 KB (per core)	0 KB
L2 cache	256 KB (per core)	2 MB
L3 cache	8 MB (shared)	0 KB
Chip lithography	45 nm	65 nm
Die size	263 mm2	90 mm2
Maximum core temperature	68 °C	100 °C
Number of transistors	731 million	151 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	1.1625V - 1.3V

Compatibility

Information on Core i7-940 and Core Duo T2300 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
Socket	FCLGA1366	PPGA478, PBGA479
Power consumption (TDP)	130 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-940 and Core Duo T2300. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	-
Thermal Monitoring	-	no data
Demand Based Switching	-	-
PAE	36 Bit	32 Bit
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Core i7-940 and Core Duo T2300 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-940 and Core Duo T2300 are enumerated here.

VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-940 and Core Duo T2300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1
Maximum memory size	24 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	-

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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Physical cores	4	2
Threads	8	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	130 Watt	31 Watt

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Should you still have questions on choice between Core i7-940 and Core Duo T2300, ask them in Comments section, and we shall answer.

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