Core 2 Duo T6670 vs Core i7-740QM

Place in the ranking	2385	2875
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core 2 Duo
Power efficiency	2.41	1.40
Architecture codename	Clarksfield (2009−2010)	Penryn (2008−2011)
Release date	20 June 2010 (14 years ago)	1 January 2009 (15 years ago)
Launch price (MSRP)	$546	no data

Detailed specifications

Core i7-740QM and Core 2 Duo T6670 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	1.73 GHz	2.2 GHz
Boost clock speed	2.93 GHz	2.2 GHz
Bus type	DMI 1.0	no data
Bus rate	2.5 GT/s	800 MHz
Multiplier	13	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	6 MB (shared)	2 MB L2 Cache
Chip lithography	45 nm	45 nm
Die size	296 mm²	107 mm²
Maximum core temperature	100 °C	105 °C
Number of transistors	774 million	410 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-740QM and Core 2 Duo T6670 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	FCPGA988,PGA988	PGA478
Power consumption (TDP)	45 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-740QM and Core 2 Duo T6670. 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	+	no data
Thermal Monitoring	+	-
PAE	36 Bit	no data

Security technologies

Core i7-740QM and Core 2 Duo T6670 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-740QM and Core 2 Duo T6670 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 i7-740QM and Core 2 Duo T6670. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	no data
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 i7-740QM and Core 2 Duo T6670.

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.

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.

i7-740QM 1.15
+121%

Core 2 Duo T6670 0.52

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-740QM 1831
+121%

Core 2 Duo T6670 827

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-740QM 347
+31.4%

Core 2 Duo T6670 264

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-740QM 969
+135%

Core 2 Duo T6670 412

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-740QM 3082
+30.3%

Core 2 Duo T6670 2365

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-740QM 8930
+102%

Core 2 Duo T6670 4430

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-740QM 3318
+79.4%

Core 2 Duo T6670 1850

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-740QM 15.8
+229%

Core 2 Duo T6670 52.04