Xeon E3120 vs E5640

Primary details

Comparing Xeon E5640 and Xeon E3120 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1703	2440
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.85	0.06
Market segment	Server	Server
Architecture codename	Westmere-EP (2010−2011)	no data
Release date	16 March 2010 (14 years ago)	1 July 2008 (16 years ago)
Launch price (MSRP)	$49	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5640 has 1317% better value for money than Xeon E3120.

Detailed specifications

Xeon E5640 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.

Physical cores	4 (Quad-Core)	no data
Threads	8	no data
Base clock speed	2.666 GHz	no data
Boost clock speed	2.93 GHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	12 MB (shared)	no data
Chip lithography	32 nm	no data
Die size	239 mm2	no data
Maximum core temperature	78 °C	72 °C
Number of transistors	1,170 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5640 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.

Number of CPUs in a configuration	2	no data
Socket	1366	no data
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5640 and Xeon E3120. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	+	no data

Security technologies

Xeon E5640 and Xeon E3120 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5640 and Xeon E3120 are enumerated here.

VT-x

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5640 and Xeon E3120. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5640 and Xeon E3120.

PCIe version

2.0

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.

E5640 outperforms E3120 by 163% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	2.39	0.91
Recency	16 March 2010	1 July 2008
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E5640 and Xeon E3120, ask them in Comments section, and we shall answer.

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