Pentium D 955 vs Atom D2500

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3589	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	1.50	no data
Designer	Intel	Intel
Manufacturer	Intel	no data
Architecture codename	Cedarview (2011−2012)	Presler (2005−2007)
Release date	1 November 2011 (14 years ago)	January 2006 (19 years ago)

Detailed specifications

Atom D2500 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	2 (Dual-core)	2 (Dual-core)
Threads	2	no data
Base clock speed	1.86 GHz	no data
Boost clock speed	1.87 GHz	3.46 GHz
L1 cache	64 KB (per core)	28 KB
L2 cache	512K (per core)	4096 KB
L3 cache	0 KB	0 KB
Chip lithography	32 nm	65 nm
Die size	66 mm2	140 mm2
Maximum core temperature	100 °C	no data
Number of transistors	176 million	376 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom D2500 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	FCBGA559	775
Power consumption (TDP)	10 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D2500 and Pentium D 955. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
Enhanced SpeedStep (EIST)	-	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data
AMT	-	no data
HD Audio	+	no data

Security technologies

Atom D2500 and Pentium D 955 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom D2500 and Pentium D 955 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D2500 and Pentium D 955. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	4 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	6.4 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA

no data

Graphics interfaces

Available interfaces and connections of Atom D2500 and Pentium D 955 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Atom D2500 and Pentium D 955.

PCI Express lanes	4	no data
Total number of SATA ports	2	no data
Number of USB ports	8	no data

Pros & cons summary

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Chip lithography	32 nm	65 nm
Power consumption (TDP)	10 Watt	130 Watt

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