Pentium III 1400 vs Atom D2500

#ad 
Buy on Amazon
VS

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Atomno data
Architecture codenameCedarview (2011−2012)Tualatin (2000−2002)
Release date1 November 2011 (13 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 cores2 (Dual-core)1 (Single-Core)
Threads21
Base clock speed1.86 GHzno data
Boost clock speed1.87 GHz1.4 GHz
L1 cache64 KB (per core)8 KB
L2 cache512K (per core)256 KB
L3 cache0 KB0 KB
Chip lithography32 nm130 nm
Die size66 mm280 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data69 °C
Number of transistors176 million44 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 configuration11
SocketFCBGA559370
Power consumption (TDP)10 Watt31 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 extensionsIntel® SSE2, Intel® SSE3, Intel® SSSE3no data
Enhanced SpeedStep (EIST)-no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Demand Based Switching-no data
PAE36 Bitno data
AMT-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 typesDDR3no data
Maximum memory size4 GBno data
Max memory channels1no data
Maximum memory bandwidth6.4 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel GMAno data

Graphics interfaces

Available interfaces and connections of Atom D2500 and Pentium III 1400 integrated GPUs.

Number of displays supported2no data

Peripherals

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

PCI Express lanes4no data
Total number of SATA ports2no data
Number of USB ports8no 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.



Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom D2500 241
+24.9%
Pentium III 1400 193

Pros & cons summary


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

Atom D2500 has 100% more physical cores and 100% more threads, a 306.3% more advanced lithography process, and 210% lower power consumption.

We couldn't decide between Atom D2500 and Pentium III 1400. We've got no test results to judge.

Be aware that Atom D2500 is a notebook processor while Pentium III 1400 is a desktop one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Atom D2500
Atom D2500
Intel Pentium III 1400
Pentium III 1400

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3 36 votes

Rate Atom D2500 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 27 votes

Rate Pentium III 1400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Atom D2500 or Pentium III 1400, agree or disagree with our judgements, or report an error or mismatch.