Phenom II X2 B55 vs Core 2 Duo T6600

Primary details

Comparing Core 2 Duo T6600 and Phenom II X2 B55 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2657
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.02
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Duo	no data
Power efficiency	no data	0.88
Architecture codename	Penryn (2008−2011)	Callisto (2009−2010)
Release date	6 January 2009 (15 years ago)	1 October 2009 (15 years ago)
Launch price (MSRP)	no data	$48

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Duo T6600 and Phenom II X2 B55 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	2	2
Base clock speed	2.2 GHz	3 GHz
Boost clock speed	2.2 GHz	3 GHz
Bus rate	800 MHz	no data
L1 cache	128 KB	128 KB (per core)
L2 cache	2 MB	512 KB (per core)
L3 cache	2 MB L2 Cache	6 MB (shared)
Chip lithography	45 nm	45 nm
Die size	107 mm2	258 mm2
Maximum core temperature	90 °C	no data
Number of transistors	410 Million	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1V-1.25V	no data

Compatibility

Information on Core 2 Duo T6600 and Phenom II X2 B55 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	no data	1
Socket	PGA478	AM3
Power consumption (TDP)	35 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6600 and Phenom II X2 B55. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo T6600 and Phenom II X2 B55 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T6600 and Phenom II X2 B55 are enumerated here.

AMD-V	-	+
VT-x	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6600 and Phenom II X2 B55. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6600 and Phenom II X2 B55.

PCIe version

no data

2.0

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	6 January 2009	1 October 2009
Power consumption (TDP)	35 Watt	80 Watt

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Should you still have questions on choice between Core 2 Duo T6600 and Phenom II X2 B55, ask them in Comments section, and we shall answer.

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