Pentium D 955 vs Phenom II X6 1055T (125W)

Primary details

Comparing Phenom II X6 1055T (125W) and Pentium D 955 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Architecture codename	Thuban (2010)	Presler (2005−2007)
Release date	27 April 2010 (14 years ago)	January 2006 (18 years ago)

Detailed specifications

Phenom II X6 1055T (125W) and Pentium D 955 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	6 (Hexa-Core)	2 (Dual-core)
Threads	6	no data
Base clock speed	2.8 GHz	no data
Boost clock speed	3.3 GHz	3.46 GHz
L1 cache	128 KB (per core)	28 KB
L2 cache	512 KB (per core)	4096 KB
L3 cache	6 MB (shared)	0 KB
Chip lithography	45 nm	65 nm
Die size	346 mm2	140 mm2
Number of transistors	904 million	376 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Phenom II X6 1055T (125W) and Pentium D 955 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	AM3	775
Power consumption (TDP)	125 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X6 1055T (125W) and Pentium D 955. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X6 1055T (125W) and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Phenom II X6 1055T (125W) and Pentium D 955.

PCIe version

2.0

no data

Pros & cons summary

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Physical cores	6	2
Chip lithography	45 nm	65 nm
Power consumption (TDP)	125 Watt	130 Watt

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Should you still have questions on choice between Phenom II X6 1055T (125W) and Pentium D 955, ask them in Comments section, and we shall answer.

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