Xeon E5440 vs X3380

General info

Comparing Xeon X3380 and Xeon E5440 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1947	2000
Place by popularity	not in top-100	not in top-100
Value for money	no data	0.38
Market segment	Server	Server
Release date	1 January 2009 (15 years old)	1 January 2008 (16 years old)
Current price	no data	$113

Value for money

Performance per price, higher is better.

Technical specs

Xeon X3380 and Xeon E5440 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	3.16 GHz	2.83 GHz
L3 cache	12 MB L2 Cache	12 MB L2 Cache
Chip lithography	45 nm	45 nm
Maximum core temperature	71 °C	67 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	0.85V-1.35V

Compatibility

Information on Xeon X3380 and Xeon E5440 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	LGA775	LGA771
Power consumption (TDP)	95 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3380 and Xeon E5440. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon X3380 and Xeon E5440 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3380 and Xeon E5440 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.

X3380 outperforms E5440 by 8% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	1.68	1.55
Recency	1 January 2009	1 January 2008
Power consumption (TDP)	95 Watt	80 Watt

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Should you still have questions on choice between Xeon X3380 and Xeon E5440, ask them in Comments section, and we shall answer.

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