Intel Xeon L5638 vs W3580

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Combined performance score

Xeon W3580
2.35

L5638 outperforms W3580 by 3% in our combined benchmark results.

General info

Comparing Xeon W3580 and Xeon L5638 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking16661646
Place by popularitynot in top-100not in top-100
Value for money1.171.73
Market segmentServerServer
Architecture codenameBloomfield (2008−2010)Westmere-EP (2010−2011)
Release dateAugust 2009 (14 years old)16 March 2010 (14 years old)
Launch price (MSRP)$215$90
Current price$375 (1.7x MSRP)$11 (0.1x MSRP)
Value for money

Performance per price, higher is better.

Xeon L5638 has 48% better value for money than Xeon W3580.

Technical specs

Xeon W3580 and Xeon L5638 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 cores4 (Quad-Core)6 (Hexa-Core)
Threads812
Base clock speed3.33 GHz2 GHz
Boost clock speed3.6 GHz2.4 GHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography45 nm32 nm
Die size263 mm2239 mm2
Maximum core temperature68 °C85 °C
Number of transistors731 million1,170 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Xeon W3580 and Xeon L5638 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 configuration12
SocketFCLGA1366FCLGA1366,LGA1366
Power consumption (TDP)130 Watt60 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3580 and Xeon L5638. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.01.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring-no data
Demand Based Switching+no data
PAE36 Bitno data
StatusDiscontinuedDiscontinued

Security technologies

Xeon W3580 and Xeon L5638 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3580 and Xeon L5638 are enumerated here.

VT-dno data+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3580 and Xeon L5638. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size24 GBno data
Max memory channels3no data
Maximum memory bandwidth32 GB/sno data
ECC memory support+no data

Peripherals

Specifications and connection of peripherals supported by Xeon W3580 and Xeon L5638.

PCIe versionno data2.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

Xeon W3580 2.35
Xeon L5638 2.41
+2.6%

L5638 outperforms W3580 by 3% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Xeon W3580 3609
Xeon L5638 3707
+2.7%

L5638 outperforms W3580 by 3% in Passmark.

Gaming performance

Advantages and disadvantages


Performance score 2.35 2.41
Physical cores 4 6
Threads 8 12
Cost $215 $90
Chip lithography 45 nm 32 nm
Power consumption (TDP) 130 Watt 60 Watt

We couldn't decide between Xeon W3580 and Xeon L5638. The differences in performance seem too small.


Should you still have questions on choice between Xeon W3580 and Xeon L5638, ask them in Comments section, and we shall answer.

User ratings

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


Intel Xeon W3580
Xeon W3580
Intel Xeon L5638
Xeon L5638

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User ratings: view and submit

Here you can see how users rate the processors, as well as rate them yourself.


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Questions and comments

Here you can ask a question about Xeon W3580 or Xeon L5638, agree or disagree with our judgements, or report an error or mismatch.