Opteron 252 vs Xeon 5140

Primary details

Comparing Xeon 5140 and Opteron 252 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2854	2918
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.27	no data
Market segment	Server	Server
Power efficiency	0.79	0.49
Architecture codename	Woodcrest (2006)	Troy (2005)
Release date	June 2006 (18 years ago)	February 2005 (19 years ago)
Launch price (MSRP)	$15	$63

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon 5140 and Opteron 252 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	2 (Dual-core)	1 (Single-Core)
Threads	2	1
Base clock speed	2.33 GHz	no data
Boost clock speed	2.33 GHz	2.6 GHz
L1 cache	0 KB	128 KB
L2 cache	4 MB	1 MB
L3 cache	0 KB	0 KB
Chip lithography	65 nm	90 nm
Maximum core temperature	65 °C	no data
Number of transistors	no data	106 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	B2=1.0V-1.5V, G0=.85V-1.5V	no data

Compatibility

Information on Xeon 5140 and Opteron 252 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	1	2
Socket	LGA771	940
Power consumption (TDP)	65 Watt	92 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 5140 and Opteron 252. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon 5140 and Opteron 252 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 5140 and Opteron 252 are enumerated here.

VT-x	+	no data
EPT	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 5140 and Opteron 252. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

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.

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Pros & cons summary

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Performance score	0.54	0.48
Physical cores	2	1
Threads	2	1
Chip lithography	65 nm	90 nm
Power consumption (TDP)	65 Watt	92 Watt

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Should you still have questions on choice between Xeon 5140 and Opteron 252, ask them in Comments section, and we shall answer.

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