IEC 62623:2022

Desktop and notebook computers - Measurement of energy consumption

IEC 62623:2022 covers personal computing products. It applies to desktop and notebook computers as defined in 4.1 that are marketed as final products and that are hereafter referred to as the equipment under test (EUT) or product. This document specifies:
- a test procedure to enable the measurement of the power and/or energy consumption in each of the EUT's power modes;
- formulas for calculating the typical energy consumption (TEC) for a given period (normally annual);
- a majority profile to be used with this document which enables conversion of average power into energy within the TEC formulas;
- a pre-defined format for the presentation of results.
This document does not set any pass/fail criteria for the EUTs. Users of the test results define such criteria. IEC 62623:2022 cancels and replaces the first edition published in 2012. This edition constitutes a technical revision. The first edition of this standard was originally based on ECMA-383. This edition includes the following significant technical changes with respect to the previous edition:
a) Additions to terms & definitions and modification to short & long idle descriptions.
b) Test setup modifications for notebooks where battery pack cannot be removed for testing.
c) Categorisation procedure based on ECMA-389 removed.
d) Replace majority profile with new duty cycle study including new duty cycle attributes for desktop and notebook in a residential and enterprise application.
e) Removal of any reference and test methodology to ENERGY STAR V5.

Ordinateurs de bureau et ordinateurs portables - Mesure de la consommation d'énergie

L'IEC 62623:2022 traite des produits informatiques personnels. Il s'applique aux ordinateurs de bureau et aux ordinateurs portables définis en 4.1, qui sont commercialisés en tant que produits finaux et appelés ci-après matériel à l'essai (EUT, Equipment Under Test) ou produit. Le présent document spécifie:
- une procédure d'essai pour mesurer la consommation de puissance et/ou d'énergie dans chacun des modes d'alimentation de l'EUT;
- des formules pour calculer la consommation d'énergie type (TEC, Typical Energy Consumption) sur une période donnée (annuellement en général);
- le profil majoritaire à utiliser avec le présent document pour convertir la puissance moyenne en énergie dans les formules de TEC;
- un format prédéfini pour la présentation des résultats.
Le présent document n'établit aucun critère de réussite/d'échec pour les EUT. Ces critères sont définis par les utilisateurs des résultats d'essai. L'IEC 62623:2022 annule et remplace la première édition parue en 2012. Cette édition constitue une révision technique. La première édition de la présente norme a été établie sur la base de l'ECMA-383. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) des termes et définitions ont été ajoutés, et les descriptions relatives aux termes attente courte et attente longue ont été modifiées;
b) le montage d'essai a été modifié pour les ordinateurs portables dont le bloc de batteries ne peut pas être retiré pour les essais;
c) la procédure de classification issue de l'ECMA-389 a été supprimée;
d) le profil majoritaire a été remplacé par une nouvelle étude des cycles de service; de nouveaux attributs de cycle de service ont été ajoutés pour les ordinateurs de bureau et les ordinateurs portables destinés à une application domestique et d'entreprise;
e) les références à la spécification et à la méthodologie d'essai ENERGY STAR V5 ont été supprimées.

General Information

• Status: Published
• Publication Date: 26-Apr-2022
• ICS: 35.160 - Microprocessor systems
• Technical Committee: TA 19 - Environmental and energy aspects for multimedia systems and equipment
• Drafting Committee: MT 62623 - TC 100/TA 19/MT 62623
• Current Stage: PPUB - Publication issued
• Start Date: 02-May-2022
• Completion Date: 27-Apr-2022

Relations

• Revises: IEC 62623:2012 - Desktop and notebook computers - Measurement of energy consumption
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62623 ®
Edition 2.0 2022-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Desktop and notebook computers – Measurement of energy consumption

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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IEC 62623 ®
Edition 2.0 2022-04
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Desktop and notebook computers – Measurement of energy consumption

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 35.160 ISBN 978-2-8322-1103-8

– 2 – IEC 62623:2022 RLV © IEC 2022
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 12
4 Specifications for EUT . 13
4.1 Computer descriptions . 13
4.1.1 Desktop computer . 13
4.1.2 Notebook computer . 13
4.1.3 Two-in-one notebook . 13
4.1.4 Multiscreen notebook . 13
4.1.5 Slate/Tablet . 13
4.1.6 Portable all-in-one computer . 14
4.1.7 Integrated desktop computer . 14
4.2 Power modes . 14
4.2.1 Off mode . 14
4.2.2 P . 14
off
4.2.3 Sleep mode . 14
4.2.4 P . 15
sleep
4.2.5 P . 15
sleepWoL
4.2.6 Alternative low power mode . 15
4.2.7 P . 15
alpm
4.2.8 On mode . 15
4.2.9 P . 15
on
4.2.10 Idle modes . 15
4.2.11 Active (work) mode . 16
4.2.12 P . 16
work
4.3 Profile attributes . 16
4.3.1 Profile . 16
4.3.2 Majority profile . 17
4.3.3 Minority profile . 17
4.3.4 Profile study . 17
4.3.5 Product active power ratio . 17
4.3.6 PAPR . 17
4.3.7 PAWR. 17
4.3.8 Product TEC error . 17
4.3.9 Profile TEC error . 17
4.4 Categorisation attributes . 17
4.4.1 General . 17
4.4.2 Cores . 18
4.4.3 Channels of memory .
4.4.4 System memory .
4.4.5 System fan .

4.4.3 Expandability score (ES) . 18
4.4.4 Performance score . 18
4.4.5 Graphics capability . 18
4.4.6 TEC adders . 18
5 Test procedure and conditions, categorisation, TEC formula, meter specifications

and results reporting . 18
5.1 General . 18
5.2 Test setup . 19
5.3 Test procedure . 21
5.3.1 General . 21
5.3.2 Measuring off mode . 21
5.3.3 Measuring sleep mode . 21
5.3.4 Measuring alternative low power mode . 22
5.3.5 Measuring long idle mode . 22
5.3.6 Measuring short idle mode . 22
5.3.7 Measuring active power mode (optional, see 5.6) . 23
5.4 Test conditions . 23
5.5 Categorisation . 24
5.5.1 General . 24
5.5.2 ULE category .
5.5.2 TEC adders . 24
5.6 Annualised energy consumption formulas . 25
5.6.1 General . 25
5.6.2 Estimated annualised energy consumption formula (estimated active
workload) . 25
5.6.3 Measured annualised energy consumption formula (with an active
workload) . 26
5.6.4 Criteria for an active workload . 27
5.7 True RMS watt meter specification . 28
5.8 True RMS watt meter accuracy . 29
5.9 Ambient light meter specification. 30
5.10 Reporting of results . 30
Annex A (informative) Overview of profile methodology. 33
Annex B (informative) Majority profile . 35
Annex C (informative) Method for conducting a profile study . 38
C.1 General . 38
C.2 Profile study example . 38
Annex D (informative) Sample TEC calculations . 42
D.1 General . 42
D.2 Notebook computer example . 42
D.3 Desktop computer example . 43
Annex E (informative) ENERGY STAR V5 compliant testing methodology .
Annex E (informative) Power measurement methodology . 48
E.1 General . 48
E.2 Sampling method . 48
E.3 Average reading method . 49
E.4 Direct meter reading method . 50
Annex G (normative) Procedure for the registration of categories for IEC 62623 .

– 4 – IEC 62623:2022 RLV © IEC 2022
Bibliography . 54

Figure 1 – Typical test setup . 20
Figure 2 – Example of estimated annualised energy consumption formula (estimated
...

IEC 62623 ®
Edition 2.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Desktop and notebook computers – Measurement of energy consumption

Ordinateurs de bureau et ordinateurs portables – Mesurage de la consommation
d'énergie
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

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About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.

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containing more than 22 300 terminological entries in English
details all new publications released. Available online and
and French, with equivalent terms in 19 additional languages.
once a month by email.
Also known as the International Electrotechnical Vocabulary

(IEV) online.
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IEC 62623 ®
Edition 2.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Desktop and notebook computers – Measurement of energy consumption

Ordinateurs de bureau et ordinateurs portables – Mesurage de la consommation

d'énergie
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 35.160 ISBN 978-2-8322-1095-6

– 2 – IEC 62623:2022 © IEC 2022
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 11
4 Specifications for EUT . 12
4.1 Computer descriptions . 12
4.1.1 Desktop computer . 12
4.1.2 Notebook computer . 12
4.1.3 Two-in-one notebook . 12
4.1.4 Multiscreen notebook . 13
4.1.5 Slate/Tablet . 13
4.1.6 Portable all-in-one computer . 13
4.1.7 Integrated desktop computer . 13
4.2 Power modes . 13
4.2.1 Off mode . 13
4.2.2 P . 14
off
4.2.3 Sleep mode . 14
4.2.4 P . 14
sleep
4.2.5 P . 14
sleepWoL
4.2.6 Alternative low power mode . 14
4.2.7 P . 14
alpm
4.2.8 On mode . 14
4.2.9 P . 14
on
4.2.10 Idle modes . 14
4.2.11 Active (work) mode . 15
4.2.12 P . 15
work
4.3 Profile attributes . 15
4.3.1 Profile . 15
4.3.2 Majority profile . 16
4.3.3 Minority profile . 16
4.3.4 Profile study . 16
4.3.5 Product active power ratio . 16
4.3.6 PAPR . 16
4.3.7 PAWR. 16
4.3.8 Product TEC error . 16
4.3.9 Profile TEC error . 16
4.4 Categorisation attributes . 16
4.4.1 General . 16
4.4.2 Cores . 17
4.4.3 Expandability score (ES) . 17
4.4.4 Performance score . 17
4.4.5 Graphics capability . 17

4.4.6 TEC adders . 17
5 Test procedure and conditions, categorisation, TEC formula, meter specifications
and results reporting . 17
5.1 General . 17
5.2 Test setup . 17
5.3 Test procedure . 20
5.3.1 General . 20
5.3.2 Measuring off mode . 20
5.3.3 Measuring sleep mode . 20
5.3.4 Measuring alternative low power mode . 20
5.3.5 Measuring long idle mode . 21
5.3.6 Measuring short idle mode . 21
5.3.7 Measuring active power mode (optional, see 5.6) . 22
5.4 Test conditions . 22
5.5 Categorisation . 22
5.5.1 General . 22
5.5.2 TEC adders . 23
5.6 Annualised energy consumption formulas . 23
5.6.1 General . 23
5.6.2 Estimated annualised energy consumption formula (estimated active
workload) . 23
5.6.3 Measured annualised energy consumption formula (with an active
workload) . 24
5.6.4 Criteria for an active workload . 25
5.7 True RMS watt meter specification . 26
5.8 True RMS watt meter accuracy . 27
5.9 Ambient light meter specification. 28
5.10 Reporting of results . 28
Annex A (informative) Overview of profile methodology. 31
Annex B (inform
...