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Finally - accurate TDP for your individual AMD processor

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Joined
18 Sep 2005
Posts
942
It's always annoyed me when people use the rating they find on some 3rd party website (or even on AMDs) to compare A64 TDPs with other chips. The TDP listed is generally the absolute maximum. The reality is often half as much since power leakage varies from batch to batch.

Check out this program to find out the TDP for your individual processor:
http://www.thecoolest.zerobrains.com/forums/viewtopic.php?t=83

People rave about Dothans, Turions etc, but consider this. The real TDP for the 3000+ venice I run in my HTPC is just 32.4W. Since it happily runs at 1.1v at stock speed that's just 20W! I haven't tested yet but there is a good chance it will run at 1.0V ... just 16.5W!
No wonder i can so easily cool it passively!

Incidentally AMDs TDP figures are absolute worst case scenario and will typically never reach the TDP. Other manufacturers including Intel give typical instead of absolute maximum ratings. This is misleading and makes chips like the dothan etc appear better than they are in terms of power consumption when compared to the turion etc.

Perhaps everyone could list their chip below to see what kind of spread of chips we have at ocuk.

I'll start off with mine:

3000+, 939, DH8-E3, 53C, 32.4W

Marc
 
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According to AMDs specs Opteron 165/170/175/180s can vary massively. Anything from 35W to 110W :O

I think the majority come in at around the 35W mark! It would be interesting to see how the X2s and 165s people here have vary.

Marc
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 1
Extended CPUID: Family: F, Model: 27, Stepping: 1
CPUID String: 20F71
Processor APIC: 0
Processor: AMD Opteron 144 (San Diego)
CPU Speed: 2901.71 (322.41 x 9.0)
Revision: SH8-E4
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 57C
TDP: 44.1 Watts


This is what mine says... :confused:
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 2
Extended CPUID: Family: F, Model: 37, Stepping: 2
CPUID String: 30F72
Processor APIC: 0
Processor: AMD Athlon 64 3700+ (Toledo) Strange as it is a San Diego, what's going on :confused:
CPU Speed: 2750.80 (250.07 x 11.0)
Revision: JH9-E6
Platform: Socket 939
Startup VCore: 1.350v
Maximum Case Temperature = 59C (what does this mean, max CPU temp :confused: )
TDP: 50.0 Watts
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 1
Extended CPUID: Family: F, Model: 27, Stepping: 1
CPUID String: 20F71
Processor APIC: 0
Processor: AMD Opteron 144 (San Diego)
CPU Speed: 2745.86 (305.10 x 9.0)
Revision: SH8-E4
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 57C
TDP: 44.1 Watts
 
CPU Information (CPU #1):
Standard CPUID: Family: F, Model: B, Stepping: 1
Extended CPUID: Family: F, Model: 2B, Stepping: 1
CPUID String: 20FB1
Processor APIC: 0
Processor: AMD Athlon 64 X2 3800+ (Manchester)
CPU Speed: 2600.36 (260.04 x 10.0)
Revision: BH9-E4
Platform: Socket 939
Startup VCore: 1.350v
Maximum Case Temperature = 63C
TDP: 65.6 Watts
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 1
Extended CPUID: Family: F, Model: 27, Stepping: 1
CPUID String: 20F71
Processor APIC: 0
Processor: AMD Opteron 148 (San Diego)
CPU Speed: 2925.94 (265.99 x 11.0)
Revision: SH8-E4
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 65C
TDP: 67.6 Watts

highest single core so far woot
 
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AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: B, Stepping: 1
Extended CPUID: Family: F, Model: 2B, Stepping: 1
CPUID String: 20FB1
Processor APIC: 0
Processor: AMD Athlon 64 X2 3800+ (Manchester)
CPU Speed: 3000.56 (300.06 x 10.0)
Revision: BH9-E4
Platform: Socket 939
Startup VCore: 1.350v
Maximum Case Temperature = 67C
TDP: 78.1 Watts
 
CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 1
Extended CPUID: Family: F, Model: 27, Stepping: 1
CPUID String: 20F71
Processor APIC: 0
Processor: AMD Opteron 146 (San Diego)
CPU Speed: 2999.68 (299.97 x 10.0)
Revision: SH8-E4
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 63C
TDP: 61.8 Watts
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: F, Stepping: 0
Extended CPUID: Family: F, Model: 1F, Stepping: 0
CPUID String: 10FF0
Processor APIC: 0
Processor: AMD Athlon 64 3000+ (Winchester)
CPU Speed: 1001.24 (200.25 x 5.0)
Revision: DH8-D0
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 65C

How come 'me no get TDP value?' :confused:
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 1
Extended CPUID: Family: F, Model: 27, Stepping: 1
CPUID String: 20F71
Processor APIC: 0
Processor: AMD Opteron 144 (San Diego)
CPU Speed: 3010.71 (334.52 x 9.0)
Revision: SH8-E4
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 57C
TDP: 44.1 Watts
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: F, Stepping: 0
Extended CPUID: Family: F, Model: 2F, Stepping: 0
CPUID String: 20FF0
Processor APIC: 0
Processor: AMD Athlon 64 3000+ (Venice)
CPU Speed: 2610.09 (290.01 x 9.0)
Revision: DH8-E3
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 59C
TDP: 50.0 Watts
 
AMD64 TCaseMax - v1.19
----------------------

CPU Information (CPU #1):
Standard CPUID: Family: F, Model: 7, Stepping: 1
Extended CPUID: Family: F, Model: 27, Stepping: 1
CPUID String: 20F71
Processor APIC: 0
Processor: AMD Athlon 64 3700+ (San Diego)
CPU Speed: 2797.63 (254.33 x 11.0)
Revision: SH8-E4
Platform: Socket 939
Startup VCore: 1.400v
Maximum Case Temperature = 57C
TDP: 44.1 Watts
 
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