FX-8100 vs Athlon 64 X2 6400+ BE

Primary details

Comparing Athlon 64 X2 6400+ BE and FX-8100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1733
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	no data	2.54
Architecture codename	Windsor (2006−2007)	Zambezi (2011−2012)
Release date	August 2007 (17 years ago)	12 October 2011 (13 years ago)

Detailed specifications

Athlon 64 X2 6400+ BE and FX-8100 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 cores	2 (Dual-core)	8 (Octa-Core)
Threads	2	8
Base clock speed	no data	2.8 GHz
Boost clock speed	3.2 GHz	3.7 GHz
L1 cache	256 KB	384 KB
L2 cache	1 MB	8 MB
L3 cache	0 KB	8 MB (shared)
Chip lithography	90 nm	32 nm
Die size	230 mm2	315 mm2
Number of transistors	227 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	+

Compatibility

Information on Athlon 64 X2 6400+ BE and FX-8100 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 configuration	1	1
Socket	AM2	AM3+
Power consumption (TDP)	125 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 X2 6400+ BE and FX-8100. 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 64 X2 6400+ BE and FX-8100 are enumerated here.

AMD-V

-

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 6400+ BE and FX-8100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Peripherals

Specifications and connection of peripherals supported by Athlon 64 X2 6400+ BE and FX-8100.

PCIe version

no data

2.0

Pros & cons summary

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Physical cores	2	8
Threads	2	8
Chip lithography	90 nm	32 nm
Power consumption (TDP)	125 Watt	95 Watt

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Should you still have questions on choice between Athlon 64 X2 6400+ BE and FX-8100, ask them in Comments section, and we shall answer.

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