IntelOutdated for demanding workloadsLaptop

Intel Pentium III Mobile 1066MHz

Explore Intel Pentium III Mobile 1066MHz technical reviews, specifications and benchmark results, with practical context for laptop performance, efficiency and upgrade research.

Last updated: 2026-10-20
1.2/ 10
Technical rating

Outdated for demanding workloads

Intel Pentium III Mobile 1066MHz is a Laptop processor with 1 cores and 1 threads. Its base clock is 1.1 GHz. It records a PassMark CPU Mark of 160 and a single-thread rating of 210.

CPU Mark160
2 samples
Single Thread210
Overall rank#5,933
of 6,054
Reference price—

Technical assessment

A summary based on specifications and results.

Outdated for demanding workloads
1.2Outdated for demanding workloads

Intel Pentium III Mobile 1066MHz is a Laptop processor with 1 cores and 1 threads. Its base clock is 1.1 GHz. It records a PassMark CPU Mark of 160 and a single-thread rating of 210.

Specification context

What do these specifications mean in practice?

The Intel Pentium III Mobile 1066MHz is a Laptop released in 2009. Recorded specifications include 1 cores and 1 threads, a 160 CPU Mark. Use these figures to understand its position, then compare the results with your software and the complete platform.

Reading guide

Read the performance results

The 160 CPU Mark is a broad overall-performance measure, while the 210 single-thread result adds context for less-parallel work. Compare the nearby alternatives on this page and do not treat one score as a verdict for every application.

Platform and compatibility

No confirmed socket is recorded for this processor. Verify the exact device or motherboard with the manufacturer before planning an upgrade.

Memory and power

Verify the system memory type, real power limits and cooling capacity.

FAQ

Common processor questions

What are the key Intel Pentium III Mobile 1066MHz specifications?

The main recorded details are 1 cores and 1 threads, a 160 CPU Mark. The tables on this page show socket, memory, cache and graphics data when available.

Is the Intel Pentium III Mobile 1066MHz good for gaming?

The product name or CPU Mark alone cannot answer that. Check single-thread performance, core count, the target graphics card, gaming resolution and results from the games you play.

Which motherboards support the Intel Pentium III Mobile 1066MHz?

A confirmed socket is not recorded here. Use the device model or manufacturer specifications to identify compatible hardware.

How much power does the Intel Pentium III Mobile 1066MHz use?

A structured TDP value is not currently available. Check the manufacturer specification and device power limits.

This guidance interprets recorded specifications and results; it does not claim hands-on device testing. Results can vary with motherboard, power, memory and cooling.

Multi-axis comparison

How does this processor compare?

A direct comparison with nearby processors from the same brand and a similar core count.

5 CPU

Overall and multi-core performance

A higher CPU Mark indicates stronger overall performance.

02Intel Pentium III Mobile 1066MHzThis CPU160 points
04Intel Atom Z670 @ 1.50GHzIntel158 points
05Intel Atom N280 @ 1.66GHzIntel157 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Atom N280 @ 1.66GHzIntel234 points
02Intel Pentium III Mobile 1066MHzThis CPU210 points

Performance per watt

Estimated as CPU Mark divided by TDP.

Bars are relative to the processors shown here, not a global ranking of every CPU.

Detailed benchmark results

Snapshot from 2026-10-20

Single ThreadMOps/Sec
210.00

Core specifications

BrandIntel
CategoryLaptop
Release year2009
Socket—
Cores / threads1 / 1
Base clock1.10 GHz
Max turbo—
TDP—
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

No structured cache data.