Core 2 Duo T6600 vs Core i7-2655LE

Primary details

Comparing Core i7-2655LE and Core 2 Duo T6600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2289	2873
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.03	no data
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core 2 Duo
Power efficiency	4.78	1.35
Architecture codename	Sandy Bridge (2011−2013)	Penryn (2008−2011)
Release date	no data (2024 years ago)	6 January 2009 (15 years ago)
Launch price (MSRP)	$346	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-2655LE and Core 2 Duo T6600 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	2 (Dual-core)	2 (Dual-core)
Threads	4	2
Base clock speed	no data	2.2 GHz
Boost clock speed	2.2 GHz	2.2 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	800 MHz
Multiplier	22	no data
L1 cache	128 KB	128 KB
L2 cache	512 KB	2 MB
L3 cache	4 MB	2 MB L2 Cache
Chip lithography	32 nm	45 nm
Die size	no data	107 mm2
Maximum core temperature	no data	90 °C
Number of transistors	624 Million	410 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	1V-1.25V

Compatibility

Information on Core i7-2655LE and Core 2 Duo T6600 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)	no data
Socket	no data	PGA478
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2655LE and Core 2 Duo T6600. You'll probably need this information if you require some particular technology.

AES-NI	+	-
FMA	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Demand Based Switching	no data	-
FSB parity	no data	-

Security technologies

Core i7-2655LE and Core 2 Duo T6600 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 i7-2655LE and Core 2 Duo T6600 are enumerated here.

VT-d	+	no data
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2655LE and Core 2 Duo T6600. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory size	16 GB	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics 3000

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.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	1.31	0.52
Threads	4	2
Chip lithography	32 nm	45 nm
Power consumption (TDP)	25 Watt	35 Watt

---

Should you still have questions on choice between Core i7-2655LE and Core 2 Duo T6600, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---