Pentium D 830 vs Athlon 64 FX-55

Primary details

Comparing Athlon 64 FX-55 and Pentium D 830 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3147	3041
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	0.23	0.26
Architecture codename	Clawhammer (2001−2005)	Smithfield (2005)
Release date	10 October 2004 (20 years ago)	May 2005 (19 years ago)
Launch price (MSRP)	$180	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Athlon 64 FX-55 and Pentium D 830 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	2.6 GHz	3 GHz
Boost clock speed	2.6 GHz	3 GHz
L1 cache	128 KB	28 KB
L2 cache	1 MB	2 MB
L3 cache	0 KB	0 KB
Chip lithography	130 nm	90 nm
Die size	193 mm2	206 mm2
Maximum core temperature	no data	70 °C
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	105 million	169 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-
VID voltage range	no data	1.2V-1.4V

Compatibility

Information on Athlon 64 FX-55 and Pentium D 830 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	939	PLGA775
Power consumption (TDP)	104 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 FX-55 and Pentium D 830. 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	no data	32 Bit
FSB parity	no data	-

Security technologies

Athlon 64 FX-55 and Pentium D 830 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 Athlon 64 FX-55 and Pentium D 830 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-55 and Pentium D 830. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1 Depends on motherboard

DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.25	0.36
Physical cores	1	2
Threads	1	2
Chip lithography	130 nm	90 nm
Power consumption (TDP)	104 Watt	130 Watt

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Should you still have questions on choice between Athlon 64 FX-55 and Pentium D 830, ask them in Comments section, and we shall answer.

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