IntelOutdated for demanding workloadsDesktop

Intel Pentium III 1400 @ 1400MHz

Technical specifications and documented benchmark results for this processor.

Last updated: 2026-10-20
1.3/ 10
Technical rating

Outdated for demanding workloads

Intel Pentium III 1400 @ 1400MHz is a Desktop processor with 1 cores and 1 threads. Its base clock is 1.4 GHz. It records a PassMark CPU Mark of 193 and a single-thread rating of 272. Its stated TDP is 31.2 W.

CPU Mark193
4 samples
Single Thread272
Overall rank#5,855
of 6,054
Reference price—

Technical assessment

A summary based on specifications and results.

Outdated for demanding workloads
1.3Outdated for demanding workloads

Intel Pentium III 1400 @ 1400MHz is a Desktop processor with 1 cores and 1 threads. Its base clock is 1.4 GHz. It records a PassMark CPU Mark of 193 and a single-thread rating of 272. Its stated TDP is 31.2 W.

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.

01Intel Pentium III 1400 @ 1400MHzThis CPU193 points
03Intel Celeron 2.00GHzIntel125 points
04Intel Celeron 1.70GHzIntel101 points
05Intel Celeron 1.80GHzIntel96 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Celeron 2.00GHzIntel338 points
02Intel Celeron 1.80GHzIntel307 points
04Intel Pentium III 1400 @ 1400MHzThis CPU272 points
05Intel Celeron 1.70GHzIntel190 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Atom E3815 @ 1.46GHzIntel38.6 Mark/W
02Intel Pentium III 1400 @ 1400MHzThis CPU6.2 Mark/W
03Intel Celeron 2.00GHzIntel2.4 Mark/W
04Intel Celeron 1.80GHzIntel1.5 Mark/W

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
272.00

Core specifications

BrandIntel
CategoryDesktop
Release year2009
Socket370
Cores / threads1 / 1
Base clock1.40 GHz
Max turbo—
TDP31 W
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

No structured cache data.