Athlon II X4 651K vs FX-8320

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Primary details

Comparing FX-8320 and Athlon II X4 651K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1560not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.60no data
Architecture codenameVishera (2012−2015)Llano (2011−2012)
Release date23 October 2012 (12 years ago)14 November 2011 (13 years ago)

Detailed specifications

FX-8320 and Athlon II X4 651K 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 cores8 (Octa-Core)4 (Quad-Core)
Threads84
Base clock speed3.5 GHz3 GHz
Boost clock speed4 GHz3 GHz
L1 cacheno data128 KB (per core)
L2 cache8192 KB1 MB (per core)
L3 cacheno data0 KB
Chip lithography32 nm32 nm
Die size315 mm2228 mm2
Maximum core temperature61 °Cno data
Number of transistors1,200 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
P0 Vcore voltageMin: 1.2 V - Max: 1.4 Vno data

Compatibility

Information on FX-8320 and Athlon II X4 651K 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
SocketAM3+FM1
Power consumption (TDP)125 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8320 and Athlon II X4 651K. 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 FX-8320 and Athlon II X4 651K are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8320 and Athlon II X4 651K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Peripherals

Specifications and connection of peripherals supported by FX-8320 and Athlon II X4 651K.

PCIe versionn/ano data

Pros & cons summary


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

FX-8320 has an age advantage of 11 months, and 100% more physical cores and 100% more threads.

Athlon II X4 651K, on the other hand, has 25% lower power consumption.

We couldn't decide between FX-8320 and Athlon II X4 651K. We've got no test results to judge.


Should you still have questions on choice between FX-8320 and Athlon II X4 651K, ask them in Comments section, and we shall answer.

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AMD FX-8320
FX-8320
AMD Athlon II X4 651K
Athlon II X4 651K

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Community ratings

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4.2 1424 votes

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Questions & comments

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