Athlon X4 940 vs i5-660

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Primary details

Comparing Core i5-660 and Athlon X4 940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2150not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.10no data
Market segmentDesktop processorDesktop processor
Power efficiency1.96no data
Architecture codenameClarkdale (2010−2011)Bristol Ridge (2016−2019)
Release date7 January 2010 (14 years ago)27 July 2017 (7 years ago)
Launch price (MSRP)$70no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-660 and Athlon X4 940 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)4 (Quad-Core)
Threads44
Base clock speed3.33 GHz3.2 GHz
Boost clock speed3.6 GHz3.6 GHz
Bus rate2.5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache4 MB (shared)0 KB
Chip lithography32 nm28 nm
Die size81 mm2246 mm2
Maximum core temperature73 °Cno data
Maximum case temperature (TCase)no data74 °C
Number of transistors382 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core i5-660 and Athlon X4 940 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 configuration11
SocketFCLGA1156AM4
Power consumption (TDP)73 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-660 and Athlon X4 940. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
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
PAE36 Bitno data
FDI+no data

Security technologies

Core i5-660 and Athlon X4 940 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 Core i5-660 and Athlon X4 940 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 Core i5-660 and Athlon X4 940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4 Dual-channel
Maximum memory size16.38 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for Previous Generation Intel Processorsno data
Clear Video HD+no data

Graphics interfaces

Available interfaces and connections of Core i5-660 and Athlon X4 940 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i5-660 and Athlon X4 940.

PCIe version2.0no data
PCI Express lanes16no data

Pros & cons summary


Recency 7 January 2010 27 July 2017
Physical cores 2 4
Chip lithography 32 nm 28 nm
Power consumption (TDP) 73 Watt 65 Watt

Athlon X4 940 has an age advantage of 7 years, 100% more physical cores, a 14.3% more advanced lithography process, and 12.3% lower power consumption.

We couldn't decide between Core i5-660 and Athlon X4 940. We've got no test results to judge.


Should you still have questions on choice between Core i5-660 and Athlon X4 940, ask them in Comments section, and we shall answer.

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Intel Core i5-660
Core i5-660
AMD Athlon X4 940
Athlon X4 940

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Community ratings

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


3.4 109 votes

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3.3 12 votes

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Questions & comments

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