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All-in-One Computers ranked by annual running cost*

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Ranked by estimated annual power consumption* Cost / day Cost / year Prices
1
Asus VM45
Asus VM45
1.8 Ghz Intel Celeron CPU, 8 GB RAM

100%
Sleep: 0.5W
Idle: 4.7W
Off: 0.1W
£0.02 £4.36 From £625
2
HP 27-a230
HP 27-a230
2.4 Ghz Intel Celeron CPU, 16 GB RAM

98%
Sleep: 0.2W
Idle: 13.2W
Off: 0.2W
£0.03 £8.61 From £855
3
Apple iMac 21.5
Apple iMac 21.5"
1.4 Ghz Intel Core i5 CPU, 8 GB RAM

95%
Sleep: 0.9W
Idle: 5.2W
Off: 0.3W
£0.04 £9.99 From £445
4
Dell OptiPlex 3050 AIO
Dell OptiPlex 3050 AIO
2.8 Ghz Intel Celeron CPU, 32 GB RAM

92%
Sleep: 1.7W
Idle: 9.7W
Off: 0.3W
£0.04 £11.45 From £669
5
Lenovo F0CL
Lenovo F0CL
2.0 Ghz Intel J3355 CPU, 4 GB RAM

90%
Sleep: 0.5W
Idle: 7W
Off: 0.4W
£0.05 £12.17 From £399
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HP 20
HP 20
1.6 Ghz AMD A8 CPU, 8 GB RAM

89%
Sleep: 0.7W
Idle: 9W
Off: 0.4W
£0.05 £12.17 From £489
7
Lenovo 10
Lenovo 10
1.7 Ghz Intel i3-4005U CPU, 16 GB RAM

88%
Sleep: 0.7W
Idle: 11.2W
Off: 0.9W
£0.05 £12.20 From £399
8
HP EliteOne 1000 G1 23.8-in Touch AiO
HP EliteOne 1000 G1 23.8-in Touch AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM

86%
Sleep: 4.3W
Idle: 8.4W
Off: 0.8W
£0.05 £12.36 From £1618
9
HP 24
HP 24
1.6 Ghz AMD A8 CPU, 8 GB RAM

75%
Sleep: 0.6W
Idle: 10.5W
Off: 0.3W
£0.06 £15.19 From £438
10
Lenovo 10QG
Lenovo 10QG
2.0 Ghz Intel Core i7 CPU, 32 GB RAM

73%
Sleep: 1.3W
Idle: 16.3W
Off: 0.7W
£0.06 £15.66 From £623
11
HP 22
HP 22
1.6 Ghz AMD A8 CPU, 8 GB RAM

72%
Sleep: 0.6W
Idle: 10.2W
Off: 0.3W
£0.06 £15.87 From £455
12
HP 22-3
HP 22-3
1.4 Ghz AMD Kabini CPU, 16 GB RAM

72%
Sleep: 1.6W
Idle: 13.9W
Off: 0.2W
£0.06 £15.90 From £455
13
Lenovo 5150
Lenovo 5150
1.8 Ghz Intel G460 CPU, 16 GB RAM

61%
Sleep: 1.5W
Idle: 14.5W
Off: 0.9W
£0.06 £16.17 From £435
14
Lenovo 10QV
Lenovo 10QV
2.9 Ghz Intel Core i3 CPU, 32 GB RAM

55%
Sleep: 1.4W
Idle: 13.7W
Off: 0.4W
£0.06 £16.26 From £645
15
HP EliteOne 1000 G1 27-in 4K UHD AiO
HP EliteOne 1000 G1 27-in 4K UHD AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM

50%
Sleep: 1.2W
Idle: 5.1W
Off: 0.8W
£0.07 £17.43 From £1729
16
Lenovo 10NR
Lenovo 10NR
2.8 Ghz Intel Pentium CPU, 32 GB RAM

48%
Sleep: 2.8W
Idle: 15.3W
Off: 0.8W
£0.07 £17.98 From £1334
17
Lenovo 10NX
Lenovo 10NX
2.8 Ghz Intel G3900 CPU, 32 GB RAM

43%
Sleep: 1W
Idle: 17.8W
Off: 0.6W
£0.07 £18.51 From £675
18
Apple MF886
Apple iMac (Retina 5K, 27", Late 2014) [MF886]
3.5 Ghz Intel Core i5 CPU, 8 GB RAM

39%
Sleep: 1.2W
Idle: 23.8W
Off: 0.2W
£0.07 £19.22 From £1949
19
Lenovo 10BC
Lenovo 10BC
3.1 Ghz Intel i5-4670S CPU, 16 GB RAM

29%
Sleep: 1.2W
Idle: 20.6W
Off: 0.9W
£0.08 £20.88 From £587
20
Lenovo Thinkcentre M9350z
Lenovo Thinkcentre M9350z
2.9 Ghz Intel Haswell i5-4570T CPU, 2 GB RAM

27%
Sleep: 1.3W
Idle: 25W
Off: 1.1W
£0.08 £21.50 From £198
21
HP 27-b
HP 27-b
2.8 Ghz Intel Core i7 CPU, 16 GB RAM

23%
Sleep: 1.7W
Idle: 24.4W
Off: 0.3W
£0.09 £22.39 From £1986
22
HP HP ENVY All-in-One PC
HP HP ENVY All-in-One PC
2.8 Ghz Intel Core i7 CPU, 16 GB RAM

20%
Sleep: 2.1W
Idle: 15.2W
Off: 0.3W
£0.09 £23.84 From £2029
23
Apple iMac 27
Apple iMac 27" 3.4 GHz Quad Core/8GB [MF472]
3.4 Ghz Intel Core i7 CPU, 32 GB RAM

18%
Sleep: 1W
Idle: 20.5W
Off: 0.2W
£0.09 £24.30 From £1355
=
Apple ME089
Apple iMac (27", Late 2013) [ME089]
3.4 Ghz Intel Core i7 CPU, 8 GB RAM

17%
Sleep: 1W
Idle: 20.5W
Off: 0.2W
£0.09 £24.30 From £1355
25
MSI AE221
MSI AE221
3.4 Ghz Intel Core i3 CPU, 2 GB RAM

14%
Sleep: 4.8W
Idle: 27W
Off: 0.3W
£0.10 £25.12 From £1448

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GreenPlug Tips for All-in-One Computers

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

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