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Laptop Computers ranked by annual running cost*

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Ranked by estimated annual power consumption » Cost / day Cost / year Prices
1 Acer C810 Acer C810
2.1 Ghz Tegra T50 CPU, 2 GB RAM
Sleep: 0.3W
Idle: 1.3W
Off: 0.1W
< £0.01 £1.64
= Acer CB5-311 Acer CB5-311
2.1 Ghz Tegra T50 CPU, 2 GB RAM
Sleep: 0.3W
Idle: 1.3W
Off: 0.1W
< £0.01 £1.64
3 Samsung XE500C12 Samsung XE500C12
2.2 Ghz Intel Celeron CPU, 2 GB RAM
Sleep: 0.3W
Idle: 0.3W
Off: 0.1W
£0.01 £1.85
4 Apple MD711 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
£0.01 £1.88 From £699
= Apple MD712 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
£0.01 £1.88 From £699
6 Apple MF067 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
£0.01 £2.02
= Apple MD711 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
£0.01 £2.02
= Apple MD712 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
£0.01 £2.02
9 Lenovo 80MG Lenovo 80MG
2.2 Ghz Intel Pentium N3540 CPU, 2 GB RAM
Sleep: 0.3W
Idle: 1.6W
Off: 0.1W
£0.01 £2.04
= Apple MD760 Apple MacBook Air (13.3", Early 2014) [MD760]
1.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.7W
Idle: 1.5W
Off: 0.2W
£0.01 £2.04 From £699
= Apple MD761 Apple MacBook Air (13.3", Early 2014) [MD761]
1.4 Ghz Intel Core i5 CPU, 4 GB RAM
Sleep: 0.7W
Idle: 1.5W
Off: 0.2W
£0.01 £2.04 From £699
12 Apple MF068 Apple MacBook Air (13.3", Mid 2013) [MF068]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.7W
Idle: 1.6W
Off: 0.2W
£0.01 £2.10
= Apple MacBook Air Apple MacBook Air (13.3") [MacBook Air]
1.7 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.7W
Idle: 1.6W
Off: 0.2W
£0.01 £2.10
= Apple MD760 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
£0.01 £2.10
15 Toshiba PT15A Toshiba PT15A
1.2 Ghz Intel Core M CPU, 8 GB RAM
Sleep: 0.5W
Idle: 2W
Off: 0.3W
£0.01 £2.11
16 Samsung NP930X2K, NT930X2K Samsung NP930X2K, NT930X2K
1.0 Ghz Intel Intel 5Y10 CPU, 4 GB RAM
Sleep: 0.2W
Idle: 1.7W
Off: 0.1W
£0.01 £2.16
17 HP 810 G3 HP 810 G3
2.6 Ghz Intel Core i7 CPU, 8 GB RAM
Sleep: 0.6W
Idle: 2.2W
Off: 0.4W
£0.01 £2.28
18 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
£0.01 £2.30 From £700
19 Asus E502M Asus E502M
1.8 Ghz Intel Celeron CPU, 2 GB RAM
Sleep: 0.3W
Idle: 2.6W
Off: 0.3W
£0.01 £2.46
20 Asus UX305L Asus UX305L
2.4 Ghz Intel Core i7 CPU, 8 GB RAM
Sleep: 0.3W
Idle: 1.7W
Off: 0.2W
£0.01 £2.55
21 Toshiba PSCRE Toshiba PSCRE
2.2 Ghz Intel Celeron N2840 CPU, 2 GB RAM
Sleep: 0.4W
Idle: 2.7W
Off: 0.3W
£0.01 £2.57
22 Acer CB3-531 Acer CB3-531
2.2 Ghz Intel N2830 CPU, 2 GB RAM
Sleep: 0.4W
Idle: 2.4W
Off: 0.2W
£0.01 £2.58
= Toshiba PSUC1 Toshiba PSUC1
2.4 Ghz Intel Core i7 CPU, 8 GB RAM
Sleep: 0.6W
Idle: 2.1W
Off: 0.1W
£0.01 £2.58
= Toshiba PSUC2 Toshiba PSUC2
2.4 Ghz Intel Core i7 CPU, 8 GB RAM
Sleep: 0.6W
Idle: 2.1W
Off: 0.1W
£0.01 £2.58
25 Asus E402M Asus E402M
1.8 Ghz Intel Celeron CPU, 2 GB RAM
Sleep: 0.3W
Idle: 2.9W
Off: 0.3W
£0.01 £2.60

GreenPlug Tips for Laptop Computers

Shutting-down your computer completely will save energy – better still switch it off at the mains!

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