All-in-One Computers ranked by annual running cost*
Electricity saving of £23.88/year
| Ranked by estimated annual power consumption* | Cost / year | Prices |
| 1 
|
Apple iMac 21.5"
1.4 Ghz Intel Core i5 CPU, 8 GB RAM
|
 94%
|
£11.52 | From £474 |
| 2 
|
Dell OptiPlex 3050 AIO
2.8 Ghz Intel Celeron CPU, 32 GB RAM
|
91%
|
£13.21 | From £385 |
| 3 
|
HP 20
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
88%
|
£14.05 | From £705 |
| 4 
|
Lenovo 10
1.7 Ghz Intel i3-4005U CPU, 16 GB RAM
|
87%
|
£14.08 | From £420 |
| 5 
|
HP EliteOne 1000 G1 23.8-in Touch AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM
|
85%
|
£14.26 | 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
|
83%
|
£14.92 | From £1175 |
| 7 
|
HP 24
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
74%
|
£17.53 | From £631 |
| 8 
|
HP 22
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
71%
|
£18.31 | From £479 |
| 9
|
HP 22-3
1.4 Ghz AMD Kabini CPU, 16 GB RAM
|
71%
|
£18.35 | From £479 |
| 10 
|
Lenovo 5150
1.8 Ghz Intel G460 CPU, 16 GB RAM
|
57%
|
£18.65 | From £2019 |
| 11 
|
Lenovo 10QV
2.9 Ghz Intel Core i3 CPU, 32 GB RAM
|
55%
|
£18.76 | From £640 |
| 12 
|
HP EliteOne 1000 G1 27-in 4K UHD AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM
|
50%
|
£20.11 | From £1855 |
| 13 
|
Lenovo 10NR
2.8 Ghz Intel Pentium CPU, 32 GB RAM
|
48%
|
£20.75 | From £1000 |
| 14 
|
Lenovo 10NX
2.8 Ghz Intel G3900 CPU, 32 GB RAM
|
42%
|
£21.35 | From £914 |
| 15 
|
Apple iMac (Retina 5K, 27", Late 2014) [MF886]
3.5 Ghz Intel Core i5 CPU, 8 GB RAM
|
38%
|
£22.17 | From £1790 |
| 16 
|
HP 27-b
2.8 Ghz Intel Core i7 CPU, 16 GB RAM
|
23%
|
£25.83 | From £998 |
| 17 
|
Lenovo 28A
2.0 Ghz , 2 GB RAM
|
19%
|
£27.79 | From £874 |
| 18 
|
Apple iMac 27" 3.4 GHz Quad Core/8GB [MF472]
3.4 Ghz Intel Core i7 CPU, 32 GB RAM
|
18%
|
£28.04 | From £1320 |
| = 
|
Apple iMac (27", Late 2013) [ME089]
3.4 Ghz Intel Core i7 CPU, 8 GB RAM
|
16%
|
£28.04 | From £1320 |
| = 
|
Apple iMac 27" [ME089]
3.4 GHz Quad Core/8GB
|
17%
|
£28.04 | From £1790 |
More All-in-One Computers: 1 – 20
| 21 – 24
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