Xeon E5220 vs E5440

Primary details

Comparing Xeon E5440 and Xeon E5220 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2154	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	1.77	no data
Release date	1 January 2008 (16 years ago)	1 January 2008 (16 years ago)

Detailed specifications

Xeon E5440 and Xeon E5220 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	2.83 GHz	2.33 GHz
L3 cache	12 MB L2 Cache	6 MB L2 Cache
Chip lithography	45 nm	45 nm
Maximum core temperature	67 °C	66 °C
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.35V	0.85V-1.35V

Compatibility

Information on Xeon E5440 and Xeon E5220 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	LGA771
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5440 and Xeon E5220. 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	+	-

Security technologies

Xeon E5440 and Xeon E5220 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5440 and Xeon E5220 are enumerated here.

VT-x	+	+
EPT	-	no data

Pros & cons summary

---

Power consumption (TDP)

80 Watt

65 Watt

---

Should you still have questions on choice between Xeon E5440 and Xeon E5220, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---