FX-8170 vs Athlon II X4 651

VS

Primary details

Comparing Athlon II X4 651 and FX-8170 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1830not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.14no data
Architecture codenameLlano (2011−2012)Zambezi (2011−2012)
Release date14 November 2011 (13 years ago)23 October 2012 (12 years ago)

Detailed specifications

Athlon II X4 651 and FX-8170 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)8 (Octa-Core)
Threads48
Base clock speed3 GHz3.9 GHz
Boost clock speed3 GHz4.5 GHz
L1 cache128 KB (per core)384 KB
L2 cache1 MB (per core)8 MB
L3 cache0 KB8 MB (shared)
Chip lithography32 nm32 nm
Die size228 mm2315 mm2
Number of transistors1,178 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Athlon II X4 651 and FX-8170 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
SocketFM1AM3+
Power consumption (TDP)100 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 651 and FX-8170. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 651 and FX-8170 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and FX-8170. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 651 and FX-8170.

PCIe versionno data2.0

Pros & cons summary


Recency 14 November 2011 23 October 2012
Physical cores 4 8
Threads 4 8
Power consumption (TDP) 100 Watt 125 Watt

Athlon II X4 651 has 25% lower power consumption.

FX-8170, on the other hand, has an age advantage of 11 months, and 100% more physical cores and 100% more threads.

We couldn't decide between Athlon II X4 651 and FX-8170. We've got no test results to judge.


Should you still have questions on choice between Athlon II X4 651 and FX-8170, 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 X4 651
Athlon II X4 651
AMD FX-8170
FX-8170

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.


3.9 186 votes

Rate Athlon II X4 651 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 15 votes

Rate FX-8170 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Athlon II X4 651 or FX-8170, agree or disagree with our judgements, or report an error or mismatch.