Opteron X2 180 vs Athlon 64 FX-51

Primary details

Comparing Athlon 64 FX-51 and Opteron X2 180 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3120	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	0.30	no data
Architecture codename	SledgeHammer (2003−2005)	Denmark (2005−2006)
Release date	September 2003 (21 year ago)	26 September 2005 (19 years ago)
Launch price (MSRP)	no data	$799

Detailed specifications

Athlon 64 FX-51 and Opteron X2 180 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Base clock speed	no data	2.4 GHz
Boost clock speed	2.2 GHz	2.4 GHz
L1 cache	128 KB	128 KB (per core)
L2 cache	1 MB	1 MB (per core)
L3 cache	0 KB	0 KB
Chip lithography	130 nm	90 nm
Die size	193 mm2	199 mm2
Number of transistors	105 million	233 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon 64 FX-51 and Opteron X2 180 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	2
Socket	940	939
Power consumption (TDP)	89 Watt	110 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-51 and Opteron X2 180. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Pros & cons summary

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Physical cores	1	2
Threads	1	2
Chip lithography	130 nm	90 nm
Power consumption (TDP)	89 Watt	110 Watt

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Should you still have questions on choice between Athlon 64 FX-51 and Opteron X2 180, ask them in Comments section, and we shall answer.

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