Athlon 64 FX-55 vs Pentium D 960

Primary details

Comparing Pentium D 960 and Athlon 64 FX-55 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2870	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	0.37	no data
Architecture codename	Presler (2005−2007)	Clawhammer (2001−2005)
Release date	23 April 2006 (18 years ago)	10 October 2004 (20 years ago)
Launch price (MSRP)	$523	$180

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium D 960 and Athlon 64 FX-55 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)	1 (Single-Core)
Threads	2	1
Base clock speed	3.6 GHz	2.6 GHz
Boost clock speed	3.6 GHz	2.6 GHz
L1 cache	16 KB (per core)	128 KB
L2 cache	2 MB (per die)	1 MB
L3 cache	0 KB	0 KB
Chip lithography	65 nm	130 nm
Die size	2x 81 mm2	193 mm2
Maximum case temperature (TCase)	69 °C	63 °C
Number of transistors	376 million	105 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	1.2V-1.3375V	no data

Compatibility

Information on Pentium D 960 and Athlon 64 FX-55 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	LGA775,PLGA775	939
Power consumption (TDP)	130 Watt	104 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 960 and Athlon 64 FX-55. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Pentium D 960 and Athlon 64 FX-55 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 960 and Athlon 64 FX-55 are enumerated here.

VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 960 and Athlon 64 FX-55. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR1 Depends on motherboard

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

On certain motherboards (Chipset feature)

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	23 April 2006	10 October 2004
Physical cores	2	1
Threads	2	1
Chip lithography	65 nm	130 nm
Power consumption (TDP)	130 Watt	104 Watt

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Should you still have questions on choice between Pentium D 960 and Athlon 64 FX-55, ask them in Comments section, and we shall answer.

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