Athlon X4 850 vs Xeon L5520

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Aggregate performance score

Xeon L5520
2009
4 cores / 8 threads, 60 Watt
1.49
Athlon X4 850
2015
4 cores / 4 threads, 65 Watt
2.20
+47.7%

Athlon X4 850 outperforms Xeon L5520 by a considerable 48% based on our aggregate benchmark results.

Primary details

Comparing Xeon L5520 and Athlon X4 850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21791860
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.59no data
Market segmentServerDesktop processor
Power efficiency2.263.09
Architecture codenameGainestown (2009−2010)Godaveri (2014−2016)
Release date30 March 2009 (15 years ago)July 2015 (9 years ago)
Launch price (MSRP)$100no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon L5520 and Athlon X4 850 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)4 (Quad-Core)
Threads84
Base clock speed2.26 GHz3.2 GHz
Boost clock speed2.48 GHz3.9 GHz
L1 cache64 KB (per core)256K
L2 cache256 KB (per core)4 MB
L3 cache8 MB (shared)no data
Chip lithography45 nm28 nm
Die size263 mm2245 mm2
Maximum core temperature70 °Cno data
Number of transistors731 million2,411 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Xeon L5520 and Athlon X4 850 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 configuration21
SocketFCLGA1366FM2+
Power consumption (TDP)60 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5520 and Athlon X4 850. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology1.0no data
Hyper-Threading Technology+no data
Idle States+no data
Demand Based Switching+no data
PAE40 Bitno data

Security technologies

Xeon L5520 and Athlon X4 850 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 L5520 and Athlon X4 850 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5520 and Athlon X4 850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-2133
Maximum memory size144 GBno data
Max memory channels3no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Xeon L5520 and Athlon X4 850.

PCIe version2.03.0
PCI Express lanesno data16

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 L5520 1.49
Athlon X4 850 2.20
+47.7%

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 L5520 2274
Athlon X4 850 3366
+48%

Gaming performance

Pros & cons summary


Performance score 1.49 2.20
Threads 8 4
Chip lithography 45 nm 28 nm
Power consumption (TDP) 60 Watt 65 Watt

Xeon L5520 has 100% more threads, and 8.3% lower power consumption.

Athlon X4 850, on the other hand, has a 47.7% higher aggregate performance score, and a 60.7% more advanced lithography process.

The Athlon X4 850 is our recommended choice as it beats the Xeon L5520 in performance tests.

Be aware that Xeon L5520 is a server/workstation processor while Athlon X4 850 is a desktop one.


Should you still have questions on choice between Xeon L5520 and Athlon X4 850, ask them in Comments section, and we shall answer.

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Intel Xeon L5520
Xeon L5520
AMD Athlon X4 850
Athlon X4 850

Similar processor comparisons

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Community ratings

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


3.4 9 votes

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4.3 7 votes

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Questions & comments

Here you can ask a question about Xeon L5520 or Athlon X4 850, agree or disagree with our judgements, or report an error or mismatch.