Xeon X5492 vs Athlon II X4 651

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Aggregate performance score

Athlon II X4 651
2011
4 cores / 4 threads, 100 Watt
2.34
+23.2%

Athlon II X4 651 outperforms Xeon X5492 by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 651 and Xeon X5492 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18101985
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency2.131.16
Architecture codenameLlano (2011−2012)no data
Release date14 November 2011 (12 years ago)1 July 2008 (16 years ago)

Detailed specifications

Athlon II X4 651 and Xeon X5492 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)no data
Threads4no data
Base clock speed3 GHz3.4 GHz
Boost clock speed3 GHzno data
L1 cache128 KB (per core)no data
L2 cache1 MB (per core)no data
L3 cache0 KB12 MB L2 Cache
Chip lithography32 nm45 nm
Die size228 mm2no data
Maximum core temperatureno data63 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Athlon II X4 651 and Xeon X5492 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 configuration1no data
SocketFM1LGA771
Power consumption (TDP)100 Watt150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 651 and Xeon X5492. You'll probably need this information if you require some particular technology.

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

Athlon II X4 651 and Xeon X5492 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651 and Xeon X5492 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and Xeon X5492. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no 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.

Athlon II X4 651 2.34
+23.2%
Xeon X5492 1.90

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.

Athlon II X4 651 3584
+23.1%
Xeon X5492 2912

Gaming performance

Pros & cons summary


Performance score 2.34 1.90
Recency 14 November 2011 1 July 2008
Chip lithography 32 nm 45 nm
Power consumption (TDP) 100 Watt 150 Watt

Athlon II X4 651 has a 23.2% higher aggregate performance score, an age advantage of 3 years, a 40.6% more advanced lithography process, and 50% lower power consumption.

The Athlon II X4 651 is our recommended choice as it beats the Xeon X5492 in performance tests.

Note that Athlon II X4 651 is a desktop processor while Xeon X5492 is a server/workstation one.


Should you still have questions on choice between Athlon II X4 651 and Xeon X5492, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 651
Athlon II X4 651
Intel Xeon X5492
Xeon X5492

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Community ratings

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


3.9 185 votes

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Questions & comments

Here you can ask a question about Athlon II X4 651 or Xeon X5492, agree or disagree with our judgements, or report an error or mismatch.