Core 2 Duo E4500 vs Xeon X6550

Primary details

Comparing Xeon X6550 and Core 2 Duo E4500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2323	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	0.89	no data
Architecture codename	no data	Allendale (2006−2009)
Release date	1 January 2010 (14 years ago)	July 2007 (17 years ago)

Detailed specifications

Xeon X6550 and Core 2 Duo E4500 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	8 (Octa-Core)	2 (Dual-core)
Threads	16	2
Base clock speed	2 GHz	2.2 GHz
Boost clock speed	2.4 GHz	2.2 GHz
Bus rate	no data	800 MHz
L1 cache	no data	64 KB
L2 cache	no data	2 MB
L3 cache	18 MB L3 Cache	0 KB
Chip lithography	45 nm	65 nm
Die size	no data	111 mm2
Maximum core temperature	69 °C	73 °C
Number of transistors	no data	167 million
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	no data	0.85V-1.5V

Compatibility

Information on Xeon X6550 and Core 2 Duo E4500 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	FCLGA1567	LGA775
Power consumption (TDP)	130 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X6550 and Core 2 Duo E4500. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	no data	+
Thermal Monitoring	-	+
Demand Based Switching	no data	-
FSB parity	no data	-

Security technologies

Xeon X6550 and Core 2 Duo E4500 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X6550 and Core 2 Duo E4500 are enumerated here.

VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X6550 and Core 2 Duo E4500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR1, DDR2, DDR3

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	8	2
Threads	16	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	130 Watt	65 Watt

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Should you still have questions on choice between Xeon X6550 and Core 2 Duo E4500, ask them in Comments section, and we shall answer.

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