Xeon L5240 vs E5420

VS

Aggregate performance score

Xeon E5420
2007
80 Watt
1.32
+51.7%

Xeon E5420 outperforms Xeon L5240 by an impressive 52% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5420 and Xeon L5240 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22752559
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Power efficiency1.501.98
Release date1 October 2007 (17 years ago)1 April 2008 (16 years ago)

Detailed specifications

Xeon E5420 and Xeon L5240 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 speed2.5 GHz3 GHz
L3 cache12 MB L2 Cache6 MB L2 Cache
Chip lithography45 nm45 nm
Maximum core temperature67 °C56 °C
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.35V0.85V-1.35V

Compatibility

Information on Xeon E5420 and Xeon L5240 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.

SocketLGA771LGA771
Power consumption (TDP)80 Watt40 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and Xeon L5240. 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 E5420 and Xeon L5240 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5420 and Xeon L5240 are enumerated here.

VT-x++
EPT-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.


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 E5420 1.32
+51.7%
Xeon L5240 0.87

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.

Xeon E5420 2022
+51.2%
Xeon L5240 1337

Gaming performance

Pros & cons summary


Performance score 1.32 0.87
Recency 1 October 2007 1 April 2008
Power consumption (TDP) 80 Watt 40 Watt

Xeon E5420 has a 51.7% higher aggregate performance score.

Xeon L5240, on the other hand, has an age advantage of 6 months, and 100% lower power consumption.

The Xeon E5420 is our recommended choice as it beats the Xeon L5240 in performance tests.


Should you still have questions on choice between Xeon E5420 and Xeon L5240, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Xeon E5420
Xeon E5420
Intel Xeon L5240
Xeon L5240

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.8 159 votes

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Questions & comments

Here you can ask a question about Xeon E5420 or Xeon L5240, agree or disagree with our judgements, or report an error or mismatch.