Xeon E5450 vs L7455

Primary details

Comparing Xeon L7455 and Xeon E5450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1976	1958
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.27	0.05
Market segment	Server	Server
Release date	1 July 2008 (15 years ago)	1 October 2007 (16 years ago)
Current price	$39	$62

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon L7455 has 8440% better value for money than Xeon E5450.

Detailed specifications

Xeon L7455 and Xeon E5450 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.

Base clock speed	2.13 GHz	3 GHz
L3 cache	12 MB L2 Cache	12 MB L2 Cache
Chip lithography	45 nm	45 nm
Maximum core temperature	73 °C	67 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.9V-1.45V	0.85V-1.35V

Compatibility

Information on Xeon L7455 and Xeon E5450 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.

Socket	PGA604	LGA771
Power consumption (TDP)	65 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L7455 and Xeon E5450. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon L7455 and Xeon E5450 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L7455 and Xeon E5450 are enumerated here.

VT-x	+	+
EPT	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.

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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.

E5450 outperforms L7455 by 3% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	1.61	1.66
Recency	1 July 2008	1 October 2007
Power consumption (TDP)	65 Watt	80 Watt

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Should you still have questions on choice between Xeon L7455 and Xeon E5450, ask them in Comments section, and we shall answer.

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