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Desktop Computers ranked by annual running cost

Based on estimated annual power consumption using data published by ENERGY STAR TEC. Usage is defined by these criteria.

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Electricity costs calculated at UK National Average Tariff of 13.97p per unit.

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Desktop Computers
Apple Mac mini (MC270LL)
All-in-One Computers
eMachines EZ1601
Laptop Computers
Dell Inspiron 1210
LED Monitors
Dell G2210
LCD Monitors - 15 inch
Viewsonic VA503M
LCD Monitors - 17 inch
Philips 17S1SB
LCD Monitors - 19 inch
Philips 192E1SB
LCD Monitors - 20 inch
Dell IN2010N
LCD Monitors - 22 inch
Philips 223E1SB
LCD Monitors - 23 inch
Dell P2310H
LCD Monitors - 24 inch
Lenovo L2440X
LCD Monitors - 26 inch
Emprex LM-2601
LCD Monitors - 30 inch
HP LP3065
CRT Monitors
Viewsonic E96F+SB

Ranked by estimated annual power consumption
Show discontinued:
Compare brands:  
Rank   Product Power
Used		 kgCO2/
year (?)		 Cost per
day (?)		 Cost per
year (?)		 More
Info
1 Fujitsu Siemens CELSIUS R670 Fujitsu Siemens CELSIUS R670
3.2GHz Intel Xeon PC
Sleep: 14W
Idle: 315W
Off: 1.5W
 480.36
kgCO2		 £0.60 £156.06
2 Fujitsu Siemens CELSIUS R570 POWER Fujitsu Siemens CELSIUS R570 POWER
2.93GHz Intel Xeon PC
Sleep: 13.7W
Idle: 264W
Off: 1.63W
 403.73
kgCO2		 £0.50 £131.17
3 Apple Mac Pro (Z0G1) 2.66GHz Apple Mac Pro (Z0G1) 2.66GHz
Double Intel Quad Core Xeon PC with 4 Memory Drives
Sleep: 12.65W
Idle: 215.6W
Off: 2.04W
 331.46
kgCO2		 £0.41 £107.69
4 Fujitsu Siemens CELSIUS R570 Fujitsu Siemens CELSIUS R570
2.93GHz Intel Xeon PC
Sleep: 12W
Idle: 215W
Off: 1.5W
 329.31
kgCO2		 £0.41 £106.99
5 Apple Mac Pro (Z0G1) 2.93GHz Apple Mac Pro (Z0G1) 2.93GHz
Double Intel Quad Core Xeon PC with 4 Memory Drives
Sleep: 12.48W
Idle: 212.54W
Off: 2.02W
 326.77
kgCO2		 £0.41 £106.16
6 Apple Mac Pro (Z0G1) 2.26GHz Apple Mac Pro (Z0G1) 2.26GHz
Double Intel Quad Core Xeon PC with 4 Memory Drives
Sleep: 13.7W
Idle: 211.93W
Off: 1.97W
 325.98
kgCO2		 £0.41 £105.91
7 Fujitsu Siemens CELSIUS M470 POWER Fujitsu Siemens CELSIUS M470 POWER
3.2GHz Intel Xeon PC
Sleep: 6.16W
Idle: 206W
Off: 1.22W
 314.07
kgCO2		 £0.39 £102.04
8 Fujitsu Siemens CELSIUS M470 Fujitsu Siemens CELSIUS M470
3.2GHz Intel Xeon PC
Sleep: 6.4W
Idle: 200W
Off: 1.4W
 305.45
kgCO2		 £0.38 £99.24
9 Lenovo ThinkStation D20 (4158-41X) Lenovo ThinkStation D20 (4158-41X)
2.57GHz Intel Xeon PC
Sleep: 10.7W
Idle: 194.1W
Off: 1.8W
 298.20
kgCO2		 £0.37 £96.88
10 Apple Mac Pro (Z0G8) 2.93GHz Apple Mac Pro (Z0G8) 2.93GHz
Intel Quad Core Xeon PC with 4 Memory Drives
Sleep: 7.61W
Idle: 186.9W
Off: 1.91W
 287.00
kgCO2		 £0.36 £93.24
11 Apple Mac Pro (Z0G8) 2.66GHz Apple Mac Pro (Z0G8) 2.66GHz
Intel Quad Core Xeon PC with 4 Memory Drives
Sleep: 7.99W
Idle: 186.41W
Off: 1.81W
 286.12
kgCO2		 £0.36 £92.96
12 Lenovo ThinkStation D20 (4158-23X) Lenovo ThinkStation D20 (4158-23X)
2.80GHz Intel Xeon PC
Sleep: 9.7W
Idle: 183.53W
Off: 1.8W
 282.08
kgCO2		 £0.35 £91.64
13 Apple Mac Pro (Z0G8) 3.33GHz Apple Mac Pro (Z0G8) 3.33GHz
Intel Quad Core Xeon PC with 4 Memory Drives
Sleep: 6W
Idle: 185W
Off: 0.86W
 281.65
kgCO2		 £0.35 £91.51
14 HP Z800 HP Z800
3.2GHz Intel Xeon PC
Best prices & more info »
Sleep: 12.4W
Idle: 171.4W
Off: 2.3W
 265.35
kgCO2		 £0.33 £86.21
15 Lenovo ThinkStation D20 (4158-27X) Lenovo ThinkStation D20 (4158-27X)
2.67GHz Intel Xeon PC
Sleep: 9.5W
Idle: 161.09W
Off: 1.8W
 248.24
kgCO2		 £0.31 £80.65
16 Lenovo ThinkStation D20 (4158-24X) Lenovo ThinkStation D20 (4158-24X)
2.53GHz Intel Xeon PC
Sleep: 8.89W
Idle: 159.47W
Off: 1.8W
 245.68
kgCO2		 £0.31 £79.82
17 Lenovo ThinkStation D20 (4155-31X) Lenovo ThinkStation D20 (4155-31X)
2.80GHz Intel Xeon PC
Sleep: 9.4W
Idle: 156.28W
Off: 1.8W
 240.97
kgCO2		 £0.30 £78.29
18 Apple Mac Pro (Z0G1) 2.66GHz Apple Mac Pro (Z0G1) 2.66GHz
Double Intel Quad Core Xeon PC with 1 Memory Drive
Sleep: 11.36W
Idle: 143.75W
Off: 1.93W
 222.73
kgCO2		 £0.28 £72.36
19 Lenovo ThinkStation D20 (4158-29X) Lenovo ThinkStation D20 (4158-29X)
2.53GHz Intel Xeon PC
Sleep: 9.04W
Idle: 142.41W
Off: 1.8W
 220.00
kgCO2		 £0.27 £71.48
20 Apple Mac Pro (MB535) 2.26GHz Apple Mac Pro (MB535) 2.26GHz
Double Intel Quad Core Xeon PC with 1 Memory Drive
Sleep: 11.93W
Idle: 141.37W
Off: 1.93W
 219.25
kgCO2		 £0.27 £71.23
21 Lenovo ThinkStation D20 (4155-28X) Lenovo ThinkStation D20 (4155-28X)
2.53GHz Intel Xeon PC
Sleep: 9W
Idle: 141.38W
Off: 1.8W
 218.44
kgCO2		 £0.27 £70.97
22 Apple Mac Pro (Z0G1) 2.93GHz Apple Mac Pro (Z0G1) 2.93GHz
Double Intel Quad Core Xeon PC with 1 Memory Drive
Sleep: 10.28W
Idle: 138.74W
Off: 1.98W
 215.08
kgCO2		 £0.27 £69.88
23 Dell Precision R5400 Dell Precision R5400
3.33GHz Intel Xeon PC
Sleep: 10.89W
Idle: 125.48W
Off: 9.21W
 210.19
kgCO2		 £0.26 £68.29
24 HP XW4600 HP XW4600
3.2GHz Intel PC
Sleep: 4.6W
Idle: 130.1W
Off: 2W
 201.03
kgCO2		 £0.25 £65.31
25 Dell Precision T3500 Dell Precision T3500
2.26GHz Intel Xeon PC
Sleep: 3.69W
Idle: 129.3W
Off: 1.25W
 198.10
kgCO2		 £0.25 £64.36
26 HP Z600 HP Z600
2.9GHz Intel PC
Best prices & more info »
Sleep: 7.2W
Idle: 119.9W
Off: 1.9W
 185.95
kgCO2		 £0.23 £60.41
27 Apple Mac Pro (Z0G8) 2.93GHz Apple Mac Pro (Z0G8) 2.93GHz
Intel Quad Core Xeon PC with 1 Memory Drive
Sleep: 7.42W
Idle: 114.75W
Off: 1.91W
 178.25
kgCO2		 £0.22 £57.91
28 Apple Mac Pro (MB871) 2.66GHz Apple Mac Pro (MB871) 2.66GHz
Intel Quad Core Xeon PC with 1 Memory Drive
Sleep: 7.7W
Idle: 112.24W
Off: 1.86W
 174.42
kgCO2		 £0.22 £56.67
29 Dell Precision T5500 Dell Precision T5500
2.27GHz Intel Xeon PC
Sleep: 3.09W
Idle: 109.8W
Off: 0.96W
 168.01
kgCO2		 £0.21 £54.58
= Dell Precision T7500 Dell Precision T7500
2.67GHz Intel Xeon PC
Sleep: 3.09W
Idle: 109.8W
Off: 0.96W
 168.01
kgCO2		 £0.21 £54.58

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Save up to £151.18 a year!

Fujitsu Siemens
CELSIUS R670

£156.06 per year

Compared
To:

Apple
Mac mini (MC270LL)

£4.88 per year