Energy saving CPU
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Contents
Problem
I have a few old computers. I want to use one as a server and keep it running all day. Which of them old Central Processor Units (CPU) is the most energy efficient? Listed is the Typical and Maximum Power Dissipation, retrieved from Old Processor Electrical Specifications.
These are my options:
| Measured power dissipation of total computer | CPU Typical Power Dissipation | CPU Maximum Power Dissipation | Description |
|---|---|---|---|
| ? | ? W | 14.5 W | Pentium III 550E MHz, Slot 1 (Coppermine - 550/256/100/1.65V S1 10070273-0243 Phillippines 99 SL3N7) |
| 30.3 W | ? W | 25.3 W | Pentium III 450 MHz (Katmai - 450/512/100/2.0V S1 097370020-0081 COSTA RICA 98 SL35D), Motherboard Compaq 118053-001 |
| ? W | ? W | 30.8 W | Pentium III (Katmai - 550/512/100/2.0V S1 00050500-0456 COSTA RICA '98 SL3F7), Motherboard ASUS P3B-F |
| 28.2 W | 31.4 W | AMD Duron 700 MHz | |
| ? | 38.2 W | Pentium II 266 MHz (Klamath - 80522PX266512EC SL2HE 18050361-479 Phillipines), ASUS P2L97 with Pentium II processor | |
| 41 W | 46 W | AMD K7 550 MHz processor socket A (462) Micro-Star MS-6167 | |
| 43 W | 48 W | AMD Athlon 800 MHz socket A (462) MS-6340 Micro-ATX | |
| 58.9 W | 66 W | AMD-2000+ processor, socket A (462) ASUS A7N8X-X | |
| 59.8W | Intel Celeron 2.4 GHz, Motherboard AOpen AX4GER |
See also
- http://www.sust-it.net/energy_saving.php?id=20&start=0
- "Most eco friendly energy efficient Desktop Computers Power usage data"
- http://en.wikipedia.org/wiki/CPU_power_dissipation
- Wikipedia article explaing "Power dissipation". Contains processor list as well
- Slashdot | The Power Consumption of Modern PCs
- Slashdot article - always interesting comments
- Standby: S1, S3 and S4
- Explanation of different stand-by modes
- Energy monitor
- More apparatus measured
Journal
20060117
Processor Electrical Specifications
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