All-in-One Computers ranked by annual running cost*
Electricity saving of £23.34/year
| Ranked by estimated annual power consumption* | Cost / year | Prices |
| 1 
|
HP 27-a230
2.4 Ghz Intel Celeron CPU, 16 GB RAM
|
 98%
|
£9.11 | From £1364 |
| 2 
|
Apple iMac 21.5"
1.4 Ghz Intel Core i5 CPU, 8 GB RAM
|
94%
|
£10.56 | From £454 |
| 3 
|
Dell OptiPlex 3050 AIO
2.8 Ghz Intel Celeron CPU, 32 GB RAM
|
92%
|
£12.11 | From £693 |
| 4 
|
HP 20
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
89%
|
£12.88 | From £583 |
| 5 
|
Lenovo 10
1.7 Ghz Intel i3-4005U CPU, 16 GB RAM
|
88%
|
£12.91 | From £925 |
| 6 
|
HP EliteOne 1000 G1 23.8-in Touch AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM
|
85%
|
£13.07 | From £1629 |
| 7 
|
HP 24
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
74%
|
£16.07 | From £631 |
| 8 
|
Lenovo 10QG
2.0 Ghz Intel Core i7 CPU, 32 GB RAM
|
72%
|
£16.56 | From £683 |
| 9 
|
HP 22
1.6 Ghz AMD A8 CPU, 8 GB RAM
|
71%
|
£16.79 | From £449 |
| 10
|
HP 22-3
1.4 Ghz AMD Kabini CPU, 16 GB RAM
|
71%
|
£16.82 | From £449 |
| 11 
|
Lenovo 5150
1.8 Ghz Intel G460 CPU, 16 GB RAM
|
60%
|
£17.10 | From £450 |
| 12 
|
Lenovo 10QV
2.9 Ghz Intel Core i3 CPU, 32 GB RAM
|
55%
|
£17.20 | From £787 |
| 13 
|
HP EliteOne 1000 G1 27-in 4K UHD AiO
2.9 Ghz Intel Celeron CPU, 32 GB RAM
|
50%
|
£18.44 | From £2000 |
| 14 
|
MSI AP240
3.8 Ghz Intel Core i3 CPU, 2 GB RAM
|
48%
|
£18.76 | From £2960 |
| 15 
|
Lenovo 10NR
2.8 Ghz Intel Pentium CPU, 32 GB RAM
|
48%
|
£19.02 | From £1000 |
| 16 
|
Lenovo 10NX
2.8 Ghz Intel G3900 CPU, 32 GB RAM
|
43%
|
£19.58 | From £933 |
| 17 
|
Apple iMac (Retina 5K, 27", Late 2014) [MF886]
3.5 Ghz Intel Core i5 CPU, 8 GB RAM
|
38%
|
£20.33 | From £1790 |
| 18 
|
Lenovo Thinkcentre M9350z
2.9 Ghz Intel Haswell i5-4570T CPU, 2 GB RAM
|
27%
|
£22.74 | From £198 |
| 19 
|
HP 23-r
2.0 Ghz Intel Core i5 CPU, 16 GB RAM
|
24%
|
£23.08 | From £894 |
| 20 
|
HP 27-b
2.8 Ghz Intel Core i7 CPU, 16 GB RAM
|
23%
|
£23.68 | From £1157 |
More All-in-One Computers: 1 – 20
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