35 AMD CPUs Tested for Power Consumption

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Testing 35 AMD Processors

Altogether, we measured the energy consumption of 35 different AMD processors. Among them are two Phenom models, 16 classic Athlon 64 X2 versions with different steppings, six "Energy Efficient" CPUs, six Sempron 64 processors, the older Athlon 64 FX-62, the famous BE-2350, as well as the three new "e"-Models of the 4X50 series.

The following chart shows core voltages of the different processor models that were measured on the MSI K9A2 Platinum motherboard.

Swipe to scroll horizontally

Processor	Clock Rate	Tension	Stepping	Process	Core
Phenom 9600 Black Edition	2.30 GHz	1.250 V	B2	65 nm	Agena
Phenom 9500	2.20 GHz	1.250 V	B2	65 nm	Agena
Athlon 64 X2 6400+	3.20 GHz	1.248 V	F3	90 nm	Windsor
Athlon 64 X2 6000+	3.00 GHz	1.408 V	F3	90 nm	Windsor
Athlon 64 X2 5600+	2.80 GHz	1.408 V	F3	90 nm	Windsor
Athlon 64 X2 5200+	2.60 GHz	1.408 V	F3	90 nm	Windsor
Athlon 64 X2 5000+	2.60 GHz	1.408 V	F2	90 nm	Windsor-512
Athlon 64 X2 4600+	2.40 GHz	1.304 V	F2	90 nm	Windsor-512
Athlon 64 X2 4200+	2.20 GHz	1.304 V	F2	90 nm	Windsor-512
Athlon 64 X2 3800+	2.00 GHz	1.304 V	F2	90 nm	Windsor-512
Athlon 64 X2 5400+	2.80 GHz	1.304 V	F3	90 nm	Windsor-512
Athlon 64 X2 5000+	2.60 GHz	1.352 V	F3	90 nm	Windsor-512
Athlon 64 X2 4600+	2.40 GHz	1.352 V	F3	90 nm	Windsor-512
Athlon 64 X2 3800+	2.00 GHz	1.352 V	F3	90 nm	Windsor-512
Athlon 64 FX-62	2.80 GHz	1.352 V	F2	90 nm	Windsor
Athlon 64 X2 5200+	2.60 GHz	1.408 V	F2	90 nm	Windsor
Athlon 64 X2 4800+	2.40 GHz	1.408 V	F2	90 nm	Windsor
Athlon 64 X2 4400+	2.20 GHz	1.408 V	F2	90 nm	Windsor
Athlon 64 X2 4000+	2.00 GHz	1.408 V	F2	90 nm	Windsor
Athlon 64 X2 5000+ EE	2.60 GHz	1.408 V	G1	65 nm	Brisbane
Athlon 64 X2 4800+ EE	2.50 GHz	1.352 V	G1	65 nm	Brisbane
Athlon 64 X2 4400+ EE	2.30 GHz	1.352 V	G1	65 nm	Brisbane
Athlon 64 X2 4800+ EE	2.10 GHz	1.352 V	G1	65 nm	Brisbane
Athlon 64 X2 3800+ EE	2.00 GHz	1.352 V	F2	90 nm	Windsor
Athlon 64 X2 3600+ EE	1.90 GHz	1.352 V	G1	65 nm	Brisbane
Athlon 64 X2 BE-2350	2.10 GHz	1.152 V	G1	65 nm	Brisbane
Athlon 64 X2 BE-2300	1.90 GHz	1.152 V	G1	65 nm	Brisbane
Athlon X2 4850e	2.50 GHz	1.256 V	G2	65 nm	Brisbane
Athlon X2 4450e	2.30 GHz	1.256 V	G2	65 nm	Brisbane
Athlon X2 4050e	2.10 GHz	1.256 V	G2	65 nm	Brisbane
Sempron 64 3600+	2.00 GHz	1.352 V	F2	90 nm	Orleans
Sempron 64 3400+	1.80 GHz	1.352 V	F2	90 nm	Orleans
Sempron 64 3000+	1.60 GHz	1.352 V	F2	90 nm	Orleans
Sempron 64 3500+	2.00 GHz	1.352 V	F2	90 nm	Manila
Sempron 64 3200+	1.80 GHz	1.352 V	F2	90 nm	Manila
Sempron 64 2800+	1.60 GHz	1.352 V	F2	90 nm	Manila

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22 Comments Comment from the forums

Excellent article! It would be nice to see similar article for Intel processors because even if they are less power hungry, the Intel chipsets are not the "greenest". I am just considering a 24/7 home server and this information is very useful for me. Thank you!
Reply
Good article! You have the wrong processor name listed for the 2.10 GHz G1 Brisbane as "Athlon 64 X2 4800+ EE". It should be 4000+. I was a bit confused when I read the performance charts and noticed two 4800+ listed until I realized the mistake.
Reply
zenmaster

I was glad to see you got some of the new 45w AMD Chips in there.

Reply
xoham

Intel is not the greenest if it is less power hungry? Do they not meet RoHS standard or something?
Reply
zenmaster

He said the "Intel Chipsets" are not the greenest.
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.
Reply
einheriar

besides that intel still has the memory controller as a separate chip on the motherboard, where as amd has that included on the chip.. therefor a higher chip power use might be offset by the absence of the external memory controller, which would become visible when idling ..
Reply
so my x2 4000 ee (in tables interpreted as one of 4800's - due mistake) isn't so bad after all, I don't care about 2w/hour, when I have 24" lcd :-)
Reply
Mathos

The extra power consumption on the Phenom is due to the fact that the NB/IMC voltage stays at 1.250v even when the rest of the processor is running in standby. Kinda of annoying that they put it that high, since with a bios that still has the p-states section you can easily under volt the IMC without losing stability, especially at stock speeds. That will cut down on the idle and load power usages drastically.
Reply
royalcrown

I like how review site all push efficiency now since AMD can't really compete on performance. Yawn.
Reply
jprevost

Bravo for a great technical article. I can't tell you guys how nice it is to see some great charts. Charts are good, and you guys are good at charts, just don't stop adding to them!
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Testing 35 AMD Processors

Testing 35 AMD Processors

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