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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 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
£0.01 £1.88 From £679
= 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
£0.01 £1.88
6 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
£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
£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
£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 MacBook Air (13.3 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 £749
= Apple MacBook Air (13.3 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
12 Apple MacBook Air (13.3 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 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
£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
£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
19 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
20 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
22 Samsung NP910S5K, NT910S5K Samsung NP910S5K, NT910S5K
2.4 Ghz Intel Core i7 CPU, 8 GB RAM
Sleep: 0.4W
Idle: 2.1W
Off: 0.1W
£0.01 £2.60
23 Asus UX305F Asus UX305F
0.8 Ghz Intel Intel 5Y10 CPU, 8 GB RAM
Sleep: 0.2W
Idle: 1.9W
Off: 0.1W
£0.01 £2.61
= Samsung NP910S3K, NT910S3K, NP9310SK Samsung NP910S3K, NT910S3K, NP9310SK
2.4 Ghz Intel Core i7 CPU, 8 GB RAM
Sleep: 0.6W
Idle: 2.3W
Off: 0.1W
£0.01 £2.61
25 Samsung NP500R4K, NT500R4K, NP5400RK Samsung NP500R4K, NT500R4K, NP5400RK
2.2 Ghz Intel Core i5 CPU, 8 GB RAM
Sleep: 0.7W
Idle: 2.5W
Off: 0.4W
£0.01 £2.71

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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