Athlon 64 LE-1640 vs Athlon II X2 255

Primary details

Comparing Athlon II X2 255 and Athlon 64 LE-1640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2664not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.02no data
Market segmentDesktop processorDesktop processor
Power efficiency1.08no data
Architecture codenameRegor (2009−2013)Orleans (2007−2009)
Release date25 January 2010 (14 years ago)7 January 2009 (15 years ago)
Launch price (MSRP)$60no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X2 255 and Athlon 64 LE-1640 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)
Threads21
Base clock speed3.1 GHz2.6 GHz
Boost clock speed3.1 GHz2.6 GHz
L1 cache128 KB128 KB
L2 cache1 MB512K
L3 cache0 KB0 KB
Chip lithography45 nm90 nm
Die size117 mm2101.3 mm2
Maximum case temperature (TCase)no data69 °C
Number of transistors410 million154 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X2 255 and Athlon 64 LE-1640 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
SocketAM3AM2
Power consumption (TDP)65 Watt45 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 255 and Athlon 64 LE-1640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 255 and Athlon 64 LE-1640.

PCIe version2.02.0

Pros & cons summary


Recency 25 January 2010 7 January 2009
Physical cores 2 1
Threads 2 1
Chip lithography 45 nm 90 nm
Power consumption (TDP) 65 Watt 45 Watt

Athlon II X2 255 has an age advantage of 1 year, 100% more physical cores and 100% more threads, and a 100% more advanced lithography process.

Athlon 64 LE-1640, on the other hand, has 44.4% lower power consumption.

We couldn't decide between Athlon II X2 255 and Athlon 64 LE-1640. We've got no test results to judge.


Should you still have questions on choice between Athlon II X2 255 and Athlon 64 LE-1640, 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.


AMD Athlon II X2 255
Athlon II X2 255
AMD Athlon 64 LE-1640
Athlon 64 LE-1640

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.


3.3 175 votes

Rate Athlon II X2 255 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 24 votes

Rate Athlon 64 LE-1640 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon II X2 255 or Athlon 64 LE-1640, agree or disagree with our judgements, or report an error or mismatch.