Xeon L5506 vs W5580

General info

Comparing Xeon W5580 and Xeon L5506 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1727	1659
Place by popularity	not in top-100	not in top-100
Value for money	8.72	24.96
Market segment	Server	Server
Architecture codename	Gainestown (2009−2010)	Gainestown (2009−2010)
Release date	March 2009 (15 years ago)	March 2009 (15 years ago)
Launch price (MSRP)	$102	$125
Current price	$675 (6.6x MSRP)	$253 (2x MSRP)

Value for money

Performance per price, higher is better.

Xeon L5506 has 186% better value for money than Xeon W5580.

Technical specs

Xeon W5580 and Xeon L5506 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)	4 (Quad-Core)
Threads	8	4
Base clock speed	3.2 GHz	2.13 GHz
Boost clock speed	3.46 GHz	2.13 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8 MB (shared)	4 MB (shared)
Chip lithography	45 nm	45 nm
Die size	263 mm2	263 mm2
Maximum core temperature	67 °C	70 °C
Number of transistors	731 million	731 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon W5580 and Xeon L5506 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	2
Socket	FCLGA1366	FCLGA1366
Power consumption (TDP)	130 Watt	60 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W5580 and Xeon L5506. You'll probably need this information if you require some particular technology.

AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Demand Based Switching	+	+
PAE	40 Bit	40 Bit
Status	Discontinued	Discontinued

Security technologies

Xeon W5580 and Xeon L5506 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W5580 and Xeon L5506 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W5580 and Xeon L5506. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	144 GB	144 GB
Max memory channels	3	3
Maximum memory bandwidth	32 GB/s	19.2 GB/s
ECC memory support	+	+

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.

L5506 outperforms W5580 by 10% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	2.18	2.40
Threads	8	4
Cost	$102	$125
Power consumption (TDP)	130 Watt	60 Watt

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Should you still have questions on choice between Xeon W5580 and Xeon L5506, ask them in Comments section, and we shall answer.

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