Pentium III 1400S vs Atom x5-Z8300

VS

Aggregate performance score

Atom x5-Z8300
2015
4 cores / 4 threads
0.51
+325%
Pentium III 1400S
2002
1 core / 1 thread, 32 Watt
0.12

Atom x5-Z8300 outperforms Pentium III 1400S by a whopping 325% based on our aggregate benchmark results.

Primary details

Comparing Atom x5-Z8300 and Pentium III 1400S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28743356
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
Series5x Intel Atomno data
Power efficiencyno data0.35
Architecture codenameCherry Trail (2015−2016)Tualatin (2000−2002)
Release date2 March 2015 (9 years ago)January 2002 (22 years ago)

Detailed specifications

Atom x5-Z8300 and Pentium III 1400S 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 cores4 (Quad-Core)1 (Single-Core)
Threads41
Base clock speed1.44 GHzno data
Boost clock speed1.84 GHz1.4 GHz
L1 cacheno data8 KB
L2 cache2 MB512 KB
L3 cache0 KB0 KB
Chip lithography14 nm130 nm
Die sizeno data80 mm2
Maximum core temperature90 °Cno data
Maximum case temperature (TCase)no data69 °C
Number of transistorsno data44 million
64 bit support+-
Windows 11 compatibility--

Compatibility

Information on Atom x5-Z8300 and Pentium III 1400S 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 configuration1 (Uniprocessor)1
SocketUTFCBGA592370
Power consumption (TDP)no data32 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-Z8300 and Pentium III 1400S. You'll probably need this information if you require some particular technology.

AES-NI+-
Enhanced SpeedStep (EIST)+no data

Security technologies

Atom x5-Z8300 and Pentium III 1400S technologies aimed at improving security, for example, by protecting against hacks.

Secure Boot+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-Z8300 and Pentium III 1400S are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8300 and Pentium III 1400S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size2 GBno data
Max memory channels1no data
Maximum memory bandwidth12.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics (Cherry Trail) (200 - 500 MHz)no data
Max video memory2 GBno data
Graphics max frequency500 MHzno data
Execution Units12no data

Graphics interfaces

Available interfaces and connections of Atom x5-Z8300 and Pentium III 1400S integrated GPUs.

Number of displays supported2no data

Graphics image quality

Maximum display resolutions supported by Atom x5-Z8300 and Pentium III 1400S integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.41920x1080no data

Peripherals

Specifications and connection of peripherals supported by Atom x5-Z8300 and Pentium III 1400S.

PCIe version2.0no data
PCI Express lanes1no data
USB revision3.0no 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.


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.

Atom x5-Z8300 0.51
+325%
Pentium III 1400S 0.12

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 x5-Z8300 814
+320%
Pentium III 1400S 194

Gaming performance

Pros & cons summary


Performance score 0.51 0.12
Physical cores 4 1
Threads 4 1
Chip lithography 14 nm 130 nm

Atom x5-Z8300 has a 325% higher aggregate performance score, 300% more physical cores and 300% more threads, and a 828.6% more advanced lithography process.

The Atom x5-Z8300 is our recommended choice as it beats the Pentium III 1400S in performance tests.

Be aware that Atom x5-Z8300 is a notebook processor while Pentium III 1400S is a desktop one.


Should you still have questions on choice between Atom x5-Z8300 and Pentium III 1400S, 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 x5-Z8300
Atom x5-Z8300
Intel Pentium III 1400S
Pentium III 1400S

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.


3.6 48 votes

Rate Atom x5-Z8300 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 26 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Atom x5-Z8300 or Pentium III 1400S, agree or disagree with our judgements, or report an error or mismatch.