Pentium III 1400 vs Atom D2500

Primary details

Comparing Atom D2500 and Pentium III 1400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Architecture codename	Cedarview (2011−2012)	Tualatin (2000−2002)
Release date	28 December 2011 (12 years ago)	December 2001 (22 years ago)

Detailed specifications

Atom D2500 and Pentium III 1400 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	1.86 GHz	no data
Boost clock speed	1.87 GHz	1.4 GHz
L1 cache	64 KB (per core)	8 KB
L2 cache	1 MB	256 KB
L3 cache	0 KB	0 KB
Chip lithography	32 nm	130 nm
Die size	66 mm2	80 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	176 million	44 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Atom D2500 and Pentium III 1400 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	FCBGA559	370
Power consumption (TDP)	10 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D2500 and Pentium III 1400. 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)	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data
AMT	-	no data
Status	Discontinued	no data
HD Audio	+	no data

Security technologies

Atom D2500 and Pentium III 1400 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 III 1400 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 III 1400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
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 III 1400 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Atom D2500 and Pentium III 1400.

PCI Express lanes	4	no data
Total number of SATA ports	2	no data
Number of USB ports	8	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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Pros & cons summary

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Physical cores	2	1
Threads	2	1
Chip lithography	32 nm	130 nm
Power consumption (TDP)	10 Watt	31 Watt

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Should you still have questions on choice between Atom D2500 and Pentium III 1400, ask them in Comments section, and we shall answer.

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