Athlon II X4 631 vs Xeon X5660

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Aggregate performance score

Xeon X5660
2010
6 cores / 12 threads, 95 Watt
3.79
+183%
Athlon II X4 631
2011
4 cores / 4 threads, 100 Watt
1.34

Xeon X5660 outperforms Athlon II X4 631 by a whopping 183% based on our aggregate benchmark results.

Primary details

Comparing Xeon X5660 and Athlon II X4 631 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14802259
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.05no data
Market segmentServerDesktop processor
Power efficiency3.771.27
Architecture codenameWestmere-EP (2010−2011)Llano (2011−2012)
Release date16 March 2010 (14 years ago)17 August 2011 (13 years ago)
Launch price (MSRP)$33no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon X5660 and Athlon II X4 631 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads124
Base clock speed2.8 GHz2.6 GHz
Boost clock speed3.2 GHz2.6 GHz
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)1 MB (per core)
L3 cache12 MB (shared)0 KB
Chip lithography32 nm32 nm
Die size239 mm2228 mm2
Maximum core temperature81 °Cno data
Number of transistors1,170 million1,178 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon X5660 and Athlon II X4 631 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
SocketFCLGA1366,LGA1366FM1
Power consumption (TDP)95 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5660 and Athlon II X4 631. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI+-
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 X5660 and Athlon II X4 631 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 X5660 and Athlon II X4 631 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 X5660 and Athlon II X4 631. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size288 GBno data
Max memory channels3no data
Maximum memory bandwidth32 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon X5660 and Athlon II X4 631.

PCIe version2.0no 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 X5660 3.79
+183%
Athlon II X4 631 1.34

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 X5660 6017
+184%
Athlon II X4 631 2122

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon X5660 461
+65.8%
Athlon II X4 631 278

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon X5660 2196
+154%
Athlon II X4 631 866

Gaming performance

Pros & cons summary


Performance score 3.79 1.34
Recency 16 March 2010 17 August 2011
Physical cores 6 4
Threads 12 4
Power consumption (TDP) 95 Watt 100 Watt

Xeon X5660 has a 182.8% higher aggregate performance score, 50% more physical cores and 200% more threads, and 5.3% lower power consumption.

Athlon II X4 631, on the other hand, has an age advantage of 1 year.

The Xeon X5660 is our recommended choice as it beats the Athlon II X4 631 in performance tests.

Be aware that Xeon X5660 is a server/workstation processor while Athlon II X4 631 is a desktop one.


Should you still have questions on choice between Xeon X5660 and Athlon II X4 631, ask them in Comments section, and we shall answer.

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Intel Xeon X5660
Xeon X5660
AMD Athlon II X4 631
Athlon II X4 631

Similar processor comparisons

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Community ratings

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


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Questions & comments

Here you can ask a question about Xeon X5660 or Athlon II X4 631, agree or disagree with our judgements, or report an error or mismatch.