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The newest fleet of quad-core desktop processors from AMD, the Deneb series is tested by Chinese website Zol to consume up to 12 per cent less power compared to equally clocked 65nm Agena parts, add to that, the fact that the 45nm Deneb comes with three times the amount of L3 cache, 6 MB.
The 45nm and 65nm parts were compared on a MSI K9A2 Platinum motherboard with a NVIDIA GeForce GTX 280 card, a single 320 GB HDD, two modules of 1GB DDR2 1066 MHz memory, the test-bed was powered by a Thermaltake Toughpower 1200W PSU. Power consumption was calculated in idle and load (the CPUs were stressed using instances of Orthos).
In idle, the 45nm CPU-based system's power consumption was measured to be 147W compared 154W of the 65nm CPU-based setup. In load, the margin increased with the 45nm CPU-based system running at 176W compared to 200W of the 65nm CPU-based setup.
View at TechPowerUp Main Site
The 45nm and 65nm parts were compared on a MSI K9A2 Platinum motherboard with a NVIDIA GeForce GTX 280 card, a single 320 GB HDD, two modules of 1GB DDR2 1066 MHz memory, the test-bed was powered by a Thermaltake Toughpower 1200W PSU. Power consumption was calculated in idle and load (the CPUs were stressed using instances of Orthos).
![](https://www.techpowerup.com/img/08-07-23/4e_thm.jpg)
In idle, the 45nm CPU-based system's power consumption was measured to be 147W compared 154W of the 65nm CPU-based setup. In load, the margin increased with the 45nm CPU-based system running at 176W compared to 200W of the 65nm CPU-based setup.
![](https://www.techpowerup.com/img/08-07-23/4a_thm.jpg)
![](https://www.techpowerup.com/img/08-07-23/4b_thm.jpg)
![](https://www.techpowerup.com/img/08-07-23/4c_thm.jpg)
![](https://www.techpowerup.com/img/08-07-23/4d_thm.jpg)
View at TechPowerUp Main Site
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