Xeon E3120 vs E5405

Primary Details

Comparing Xeon E5405 and Xeon E3120 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2269	2405
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	0.16	0.06
Market segment	Server	Server
Release date	1 October 2007 (16 years ago)	1 July 2008 (15 years ago)
Current price	$52	$160

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Xeon E5405 has 167% better value for money than Xeon E3120.

Detailed Specifications

Xeon E5405 and Xeon E3120 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 GHz	3.16 GHz
L3 cache	12 MB L2 Cache	6 MB L2 Cache
Chip lithography	45 nm	45 nm
Maximum core temperature	67 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5405 and Xeon E3120 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	LGA771	LGA775
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5405 and Xeon E3120. 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	+	+
Demand Based Switching	-	-
FSB parity	+	-
Status	Discontinued	Discontinued

Security technologies

Xeon E5405 and Xeon E3120 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5405 and Xeon E3120 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.

E5405 outperforms E3120 by 22% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	1.11	0.91
Recency	1 October 2007	1 July 2008
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E5405 and Xeon E3120, ask them in Comments section, and we shall answer.

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