All-in-One Computers ranked by annual running cost*
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Apple iMac 21.5" [ME699] 3.3Ghz Intel Core i7
100%
Sleep: 1.3W
Idle: 11.4W
Off: 0.2W
£0.05
£14.11
Apple iMac 21.5" [ME699] 3.3Ghz Intel Core i7
100%
Sleep: 1.3W
Idle: 11.4W
Off: 0.2W
£0.05
£14.11
Apple iMac 21.5" [ME794] 3.3Ghz Intel Core i7
100%
Sleep: 1.3W
Idle: 11.4W
Off: 0.2W
£0.05
£14.11
Apple iMac 21.5" [ME794] 3.3Ghz Intel Core i7
100%
Sleep: 1.3W
Idle: 11.4W
Off: 0.2W
£0.05
£14.11
Apple iMac 21.5" [ME791] 3.1Ghz Intel Core i7
67%
Sleep: 1.3W
Idle: 13.1W
Off: 0.2W
£0.06
£16.12
Apple iMac 21.5" [iMac 21.5"] 1.4 Ghz Intel Core i5 CPU, 8 GB RAM
58%
Sleep: 0.9W
Idle: 5.2W
Off: 0.3W
£0.08
£22.03
Apple iMac 21.5" [ME086] 2.7 GHz Quad Core/8GB
50%
Sleep: 1W
Idle: 10.5W
Off: 0.3W
£0.10
£26.62
Apple iMac 21.5" [MF469] 2.7 GHz Quad Core/8GB
50%
Sleep: 1W
Idle: 10.5W
Off: 0.3W
£0.10
£26.62
Apple iMac 21.5" [ME087] 2.9 GHz Quad Core/8GB
33%
Sleep: 1W
Idle: 11.6W
Off: 0.3W
£0.10
£26.79
Apple iMac 21.5" [MF470] 2.9 GHz Quad Core/8GB
33%
Sleep: 1W
Idle: 11.6W
Off: 0.3W
£0.10
£26.79
Apple 27-inch iMac with Retina 5K Display [A2115] 3.1 Ghz Intel Core i5 CPU, 8 GB RAM
17%
Sleep: 1.4W
Idle: 10.3W
Off: 0.4W
£0.13
£33.01
Apple 27-inch iMac with Retina 5K Display [A2115] 3.6 Ghz Intel Core i9 CPU, 128 GB RAM
8%
Sleep: 3.3W
Idle: 24.5W
Off: 0.3W
£0.20
£52.39
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