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- New AMD Phenom X3 Vs. Phenom X4
- AMD's Athlon Stepping Improvements
- AMD Phenom With B3 Stepping: First Look
- First Look: AMD Triple Core Phenom
- Overclocking Intel's Wolfdale E8000
- AMD: To Merge Or Not To Merge?
- Wolfdale Shrinks Transistors, Grows Core 2
- How Hardware-Based Security Protects PCs
- Intel Skulltrail 3: 8 vs 4 Core Performance
- Intel Skulltrail Part 2: Overclocking & Power
Source: Tom's Hardware – Keywords: amd, power, cpu
Topics: AMD/ATI
Syndication:
Electrical Costs: the 24-Hour System
There are lots of users who leave their computers on all the time; this demographic can always find another task for their arithmetic servants: for example, vast amounts of data are downloaded overnight from the Internet, or videos are converted. Then during the day games are played or video continues to be converted. The computer may also be left on all the time so that access to it is more convenient, and it’s not necessary to wait for it to boot up.It is also interesting to see what costs are raised when the HTPC in the living room is never turned off, so that immediate access to the TV or to videos is possible. In this calculation, we assume that the computer is used for an average of 8 hours a day, for example, loading down the CPU by playing HDTV.
If the computer is equipped with the smallest BE Dual-Core processor, the per year costs are about $220.27 (143 Euros). The yearly costs of the “Energy Efficient” processors are between $220 and $245.10 (142.79 and 159.12 Euros).
At $308.07 (200 Euros), the Phenom processors have the highest electrical costs for an AMD system. When compared to the fastest Dual-Core processor in a 24 hour a day setting, though, the cost is only $23.10 (15 Euros) more per year.
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The are still built on the 90nm process.
The P45 will introduce the 65nm process on the chipsets.
The latest AMD Chipsets use the 55nm process.
In regards to CPUs, The Intel CPUs generally use less than the AMD CPUs.
He was simply pointing out that the CPUs lose some of the benefeit of their low power consumption due to the chipset.
For lower-end chips sitting idle, the difference in power usage of the chipsets can be significant. If you are looking at a higher-end chip under load, the power usage of the chipset becomes nominal.
Intel is not the greenest if it is less power hungry? Do they not meet RoHS standard or something?
Rohs = reduction of hazrdous substances, nothing to do with power consumption
at least one could see, if intel's "nominal" TDP's are as regular as amd's.
here we see, the phenom 95 watts DO HAVE 95 watts at maximum.
IMO the dynamic power used by the processor is a factor of frequency, voltage and probably the number of transistors. The Phenom has 2 more cores, and a much larger L3 cache. The Phenom core itself is fairly similar to the K8s, and should not exhibit that much power increase if you can match the setup of a typical X2...
I would be interested to see a chart that showed how many watts it takes to do a multi threaded task. For example, a faster core(s) finishes the job quicker then can drop to its low power state. And also on how much work can be done in a distributed computing task. This would be similar to "it takes X-watts to complete a task.”
Its grate and more economyc than cool n´quite.
HTPCs is probably hit the hardest by this, and any other system that is placed in so called computer desks that have a closed cabinet for the PC. Hot running system increases heat generation and affects home/server room temperatures which also affects the power bill. Cooler running systems also lead to quieter system cause of the decrease of cooling fans.
One Item I would also like to see tested are power consumption among motherboards. CPUs and GPUs are obvious that the higher the performance the more the power will be used, but how does it compare with motherboards.
Nice article! I would be interested to see a chart that showed how many watts it takes to do a multi threaded task. For example, a faster core(s) finishes the job quicker then can drop to its low power state. And also on how much work can be done in a distributed computing task. This would be similar to "it takes X-watts to complete a task.?
YES! Specifically, I'd like to see how much energy is used by each system if they have to do the same task for a given about of time ... like play a dvd for 2 hours.
-m