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Electricity saving of
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Laptop Computers ranked by annual running cost

Usage costs based on estimated annual power consumption using data published by ENERGY STAR TEC. Usage is defined by these criteria.

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Electricity costs calculated at UK Average Electricity Tariff of 15.2p per unit.

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Ranked by estimated annual power consumption » Power
used
kgCO2
/year
Cost
/day
Cost
/year
More
info
1 Apple MacBook Air (11 Apple MacBook Air (11", Early 2014) [MD711]
1.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.6W
Idle: 1.5W
Off: 0.2W
5.52
kgCO2
£0.01 £1.88 »
= Apple MacBook Air (11 Apple MacBook Air (11", Early 2014) [MD712]
1.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.6W
Idle: 1.5W
Off: 0.2W
5.52
kgCO2
£0.01 £1.88 »
3 Apple MacBook Air (11 Apple MacBook Air (11", Mid 2013) [MF067]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.8W
Idle: 1.6W
Off: 0.2W
5.93
kgCO2
£0.01 £2.02 »
= Apple MacBook Air 11.6 Apple MacBook Air 11.6" [MD711]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.8W
Idle: 1.6W
Off: 0.2W
5.93
kgCO2
£0.01 £2.02 »
= Apple MacBook Air 11.6 Apple MacBook Air 11.6" [MD712]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.8W
Idle: 1.6W
Off: 0.2W
5.93
kgCO2
£0.01 £2.02 »
6 Apple MacBook Air (13 Apple MacBook Air (13", Early 2014) [MD760]
1.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.7W
Idle: 1.5W
Off: 0.2W
5.97
kgCO2
£0.01 £2.04 »
= Apple MacBook Air (13 Apple MacBook Air (13", Early 2014) [MD761]
1.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.7W
Idle: 1.5W
Off: 0.2W
5.97
kgCO2
£0.01 £2.04 »
8 Apple MacBook Air (13 Apple MacBook Air (13", Mid 2013) [MF068]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.7W
Idle: 1.6W
Off: 0.2W
6.15
kgCO2
£0.01 £2.10 »
= Apple MacBook Air 13.3 Apple MacBook Air 13.3"
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.7W
Idle: 1.6W
Off: 0.2W
6.15
kgCO2
£0.01 £2.10 »
= Apple MacBook Air 13.3 Apple MacBook Air 13.3" [MD760]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.7W
Idle: 1.6W
Off: 0.2W
6.15
kgCO2
£0.01 £2.10 »
11 Acer Aspire S3-392 Acer Aspire S3-392
1.8 Ghz Intel Core i7 CPU, 6 GB RAM
Sleep: 0.3W
Idle: 1.9W
Off: 0.2W
6.73
kgCO2
£0.01 £2.30 »
12 Toshiba PT248 Toshiba PT248
2.1 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.9W
Idle: 2.1W
Off: 0.2W
8.20
kgCO2
£0.01 £2.80 »
= Toshiba PT24A Toshiba PT24A
2.1 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.9W
Idle: 2.1W
Off: 0.2W
8.20
kgCO2
£0.01 £2.80 »
14 Apple MacBook Pro (Retina, 13 Apple MacBook Pro (Retina, 13") [ME867]
2.6 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.9W
Idle: 1.8W
Off: 0.2W
8.24
kgCO2
£0.01 £2.81 »
= Apple MacBook Pro (Retina, 13 Apple MacBook Pro (Retina, 13", Late 2013) [ME864]
2.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.9W
Idle: 1.8W
Off: 0.2W
8.24
kgCO2
£0.01 £2.81 »
= Apple MacBook Pro (Retina, 13 Apple MacBook Pro (Retina, 13", Late 2013) [ME865]
2.4 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.9W
Idle: 1.8W
Off: 0.2W
8.24
kgCO2
£0.01 £2.81 »
= Apple MacBook Pro (Retina, 13 Apple MacBook Pro (Retina, 13", Late 2013) [ME866]
2.6 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.9W
Idle: 1.8W
Off: 0.2W
8.24
kgCO2
£0.01 £2.81 »
18 Acer Aspire S7-391 Acer Aspire S7-391
1.8 Ghz Intel i7-4500U CPU, 8 GB RAM
Sleep: 0.3W
Idle: 2.9W
Off: 0.2W
8.29
kgCO2
£0.01 £2.83 »
19 Acer ES1-3111 series Acer ES1-3111 series
1.8 Ghz Intel N3520 CPU, 8 GB RAM
Sleep: 0.5W
Idle: 3.8W
Off: 0.1W
8.64
kgCO2
£0.01 £2.95 »
20 Asus E450C Asus E450C
1.8 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.6W
Idle: 3.7W
Off: 0.2W
8.82
kgCO2
£0.01 £3.01 »
= Asus E451L Asus E451L
1.8 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.6W
Idle: 3.7W
Off: 0.2W
8.82
kgCO2
£0.01 £3.01 »
= Asus E500C Asus E500C
1.8 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.6W
Idle: 3.7W
Off: 0.2W
8.82
kgCO2
£0.01 £3.01 »
= Asus PU500C Asus PU500C
1.8 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.6W
Idle: 3.7W
Off: 0.2W
8.82
kgCO2
£0.01 £3.01 »
= Asus PU550C Asus PU550C
1.8 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.6W
Idle: 3.7W
Off: 0.2W
8.82
kgCO2
£0.01 £3.01 »
= Asus PU551L Asus PU551L
1.8 Ghz Intel Core i7 CPU, 16 GB RAM
Sleep: 0.6W
Idle: 3.7W
Off: 0.2W
8.82
kgCO2
£0.01 £3.01 »

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Enter your own tariff details

Refer to your electricity bill or your energy suppliers published tariffs (usually found on their website) to obtain the information required below.

     

What is 'lifetime running cost'?

This is the average amount of electricity and water (if applicable) consumed by the product at current values, excluding any consumables, repairs or maintenance.

* Life expectancy source UK Gov (defra) 2009

What is 'total cost of ownership'?

This is the 'cost of purchase' and the 'lifetime running costs' (average amount of electricity and water [if applicable] consumed by the product at current values, excluding any consumables, repairs or maintenance) added together.

* Life expectancy source UK Gov (defra) 2009

Save up to £9.94 a year

Apple
MacBook Air (11", Early 2014) [MD711]

£1.88 a year

Compared
To:

MSI
MS-176L

£11.83 a year