Atom Z620 vs i5-660

VS

Primary details

Comparing Core i5-660 and Atom Z620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2140not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.10no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Atom
Power efficiency1.96no data
Architecture codenameClarkdale (2010−2011)Lincroft (2010−2011)
Release date7 January 2010 (14 years ago)4 May 2010 (14 years ago)
Launch price (MSRP)$70no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-660 and Atom Z620 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)1 (Single-Core)
Threads41
Base clock speed3.33 GHzno data
Boost clock speed3.6 GHz0.9 GHz
Bus typeno datacDMI
Bus rate2.5 GT/s400 MT/s
Multiplierno data9
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache4 MB (shared)0 KB
Chip lithography32 nm45 nm
Die size81 mm265.2526 mm2
Maximum core temperature73 °Cno data
Number of transistors382 million140 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Core i5-660 and Atom Z620 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 (Uniprocessor)
SocketFCLGA1156Intel BGA 518
Power consumption (TDP)73 Watt1.3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-660 and Atom Z620. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
AES-NI+-
Enhanced SpeedStep (EIST)++
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 Atom Z620 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 Atom Z620 are enumerated here.

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 Atom Z620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2
Maximum memory size16.38 GB2 GB
Max memory channels21
Maximum memory bandwidth21 GB/s3.2 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for Previous Generation Intel ProcessorsPowerVR SGX535
Clear Video HD+no data

Graphics interfaces

Available interfaces and connections of Core i5-660 and Atom Z620 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i5-660 and Atom Z620.

PCIe version2.0no data
PCI Express lanes16no data

Pros & cons summary


Recency 7 January 2010 4 May 2010
Physical cores 2 1
Threads 4 1
Chip lithography 32 nm 45 nm
Power consumption (TDP) 73 Watt 1 Watt

i5-660 has 100% more physical cores and 300% more threads, and a 40.6% more advanced lithography process.

Atom Z620, on the other hand, has an age advantage of 3 months, and 7200% lower power consumption.

We couldn't decide between Core i5-660 and Atom Z620. We've got no test results to judge.

Note that Core i5-660 is a desktop processor while Atom Z620 is a notebook one.


Should you still have questions on choice between Core i5-660 and Atom Z620, 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.


Intel Core i5-660
Core i5-660
Intel Atom Z620
Atom Z620

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.3 107 votes

Rate Core i5-660 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Atom Z620 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-660 or Atom Z620, agree or disagree with our judgements, or report an error or mismatch.