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Thermal Design Power

New AMD Phenom X3 Vs. Phenom X4

All three Phenom X3 models from 2.10 GHz through to 2.40 GHz are specified by AMD with a thermal design power (TDP) of up to 95 watts.

Thermal Design Power (TDP) specification from AMD
Phenom X4 9850 BE125 W
Phenom X4 9850125 W
Phenom X4 9750125 W
Phenom X4 9750*95 W
Phenom X4 965095 W
Phenom X4 955095 W
Phenom X4 960095 W
Phenom X4 950095 W
Phenom X4 9100e65 W
Phenom X3 875095 W
Phenom X3 865095 W
Phenom X3 8600*95 W
Phenom X3 845095 W
Phenom X3 8400*95 W
Athlon 64 X2 6400+125 W
Athlon 64 X2 6000+125 W
Athlon 64 X2 6000+ EE89 W
Athlon X2 BE-240045 W
*These CPU models are reserved for OEMs only

Core Voltage: The Phenom Requires Just 1.20 Volts

The Phenom X3 8750 with 2.40 GHz provided by AMD uses a core voltage of just 1.20 volts. The missing processor core is obvious, the Phenom X4 9850 or 9750 with four cores requires a considerably higher voltage of 1.30 volts.

The Phenom X3 8750 manages with 1.20 volts.

The Phenom X4 9850 requires 0.10 volts more.
In comparison: The older Phenom X4 9600 with B2 stepping has a core voltage of 1.250 volts.

The Phenom X4 9600 needs 1.25 volts.
If the Phenom X3 is switched to the Cool’n’Quiet energy saving mode, the voltage, as with the Phenom X4 models, drops to 1.050 volts.

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