All-in-One Computers ranked by annual running cost*
Electricity saving of £24.90/year
| Ranked by estimated annual power consumption* | Cost / year | Prices |
| 1 
|
Apple iMac 21.5" [iMac 21.5"]
1.4 Ghz Intel Core i5 CPU, 8 GB RAM
|
 100%
|
£12.01 | From £534 |
| 2 
|
Dell OptiPlex 3050 AIO
2.8 Ghz Intel Celeron CPU, 32 GB RAM
|
96%
|
£13.78 | From £385 |
| 3 
|
HP 20
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
92%
|
£14.65 | From £705 |
| 4 
|
Lenovo 10
1.7 Ghz Intel i3-4005U CPU, 16 GB RAM
|
88%
|
£14.68 | From £420 |
| 5 
|
HP EliteOne 1000 G1 23.8-in Touch AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM
|
83%
|
£14.87 | From £1631 |
| 6 
|
HP ProOne 600 G3 21.5-in Non-Touch All-in-One PC
3.0 Ghz Intel Celeron CPU, 32 GB RAM
|
79%
|
£15.56 | From £1175 |
| 7 
|
HP 24
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
75%
|
£18.28 | From £631 |
| 8 
|
HP 22
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
71%
|
£19.10 | From £479 |
| 9
|
HP 22-3
1.4 Ghz AMD Kabini CPU, 16 GB RAM
|
67%
|
£19.13 | From £479 |
| 10 
|
Lenovo 5150
1.8 Ghz Intel G460 CPU, 16 GB RAM
|
63%
|
£19.45 | From £2019 |
| 11 
|
Lenovo 10QV
2.9 Ghz Intel Core i3 CPU, 32 GB RAM
|
58%
|
£19.56 | From £640 |
| 12 
|
HP EliteOne 1000 G1 27-in 4K UHD AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM
|
54%
|
£20.97 | From £1855 |
| 13 
|
Lenovo 10NR
2.8 Ghz Intel Pentium CPU, 32 GB RAM
|
50%
|
£21.64 | From £1000 |
| 14 
|
Lenovo 10NX
2.8 Ghz Intel G3900 CPU, 32 GB RAM
|
46%
|
£22.27 | From £914 |
| 15 
|
Apple iMac 27" [MF886]
Retina 5K, 3.5GHz quad-core Intel Core i5, Late 2014
|
42%
|
£23.12 | From £1790 |
| 16 
|
HP 27-b
2.8 Ghz Intel Core i7 CPU, 16 GB RAM
|
38%
|
£26.94 | From £998 |
| 17 
|
Lenovo 28A
2.0 Ghz , 2 GB RAM
|
33%
|
£28.98 | From £874 |
| 18 
|
Apple iMac 27" 3.2 GHz Quad Core/8GB [MF472]
3.4 GHz Quad Core/8GB
|
29%
|
£29.24 | From £1320 |
| = 
|
Apple iMac 27" 3.2 GHz Quad Core/8GB [MF471]
3.2 GHz Quad Core/8GB
|
29%
|
£29.24 | From £4455 |
| = 
|
Apple iMac (27", Late 2013) [ME089]
3.4 Ghz Intel Core i7 CPU, 8 GB RAM
|
29%
|
£29.24 | From £1320 |
More All-in-One Computers: 1 – 20
| 21 – 24
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