Xeon L5420 vs Phenom II X2 X640 BE

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Athlon II P320 Athlon II P340 Athlon II P360 X3 N830 X4 N930 X4 N970 X4 P960 Turion II P520 Turion II P540 V-Series V120 V-Series V140 V-Series V160
VS
L5410 L5420 L5430

Aggregate performance score

Phenom II X2 X640 BE
2011
2 cores / 2 threads, 45 Watt
1.05

Xeon L5420 outperforms Phenom II X2 X640 BE by a substantial 33% based on our aggregate benchmark results.

Contents

Phenom II X2 X640 BE Phenom II X2 X640 BE
Xeon L5420 Xeon L5420

Primary details

Comparing Phenom II X2 X640 BE and Xeon L5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24352222
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Series2x AMD Phenom IIno data
Power efficiency2.122.55
Architecture codenameChamplain (2010−2011)no data
Release date12 May 2011 (13 years ago)1 January 2008 (16 years ago)

Detailed specifications

Phenom II X2 X640 BE and Xeon L5420 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 cores2 (Dual-core)no data
Threads2no data
Base clock speedno data2.5 GHz
Boost clock speed3.2 GHzno data
Bus rate3600 MHzno data
L1 cache256 KBno data
L2 cache2 MBno data
L3 cacheno data12 MB L2 Cache
Chip lithography45 nm45 nm
Maximum core temperatureno data57 °C
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Phenom II X2 X640 BE and Xeon L5420 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.

SocketS1LGA771
Power consumption (TDP)45 Watt50 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 X640 BE and Xeon L5420. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualizationno data
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data+
FSB parityno data+

Security technologies

Phenom II X2 X640 BE and Xeon L5420 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X2 X640 BE and Xeon L5420 are enumerated here.

AMD-V+-
VT-xno data+
EPTno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 X640 BE and Xeon L5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Gaming performance

Pros & cons summary

Performance score 1.05 1.40
Recency 12 May 2011 1 January 2008
Power consumption (TDP) 45 Watt 50 Watt

Phenom II X2 X640 BE has an age advantage of 3 years, and 11.1% lower power consumption.

Xeon L5420, on the other hand, has a 33.3% higher aggregate performance score.

The Xeon L5420 is our recommended choice as it beats the Phenom II X2 X640 BE in performance tests.

Be aware that Phenom II X2 X640 BE is a notebook processor while Xeon L5420 is a server/workstation one.

Should you still have questions on choice between Phenom II X2 X640 BE and Xeon L5420, ask them in Comments section, and we shall answer.

Vote for your favorite

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

AMD Phenom II X2 X640 BE
Phenom II X2 X640 BE
Intel Xeon L5420
Xeon L5420
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Community ratings

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

2.2 5 votes

Rate Phenom II X2 X640 BE on a scale of 1 to 5:

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4.2 148 votes

Rate Xeon L5420 on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about Phenom II X2 X640 BE or Xeon L5420, agree or disagree with our judgements, or report an error or mismatch.