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Closer Look at AMD Athlon 64 X2 3800+

We have already discussed the peculiarities of dual-core AMD processors in our article called AMD Athlon 64 X2 4800+ Dual-Core Processor Review . The new Athlon 64 X2 3800+ differs from its faster counterparts by smaller L2 cache, which is 512KB for each of the processor cores (Athlon 64 X2 4600+ and Athlon 64 X2 4200+ feature the L2 cache of the same size), and by lower clock frequency, which is 2.0GHz. This way the entire AMD Athlon 64 X2 processor family now looks as follows:

Clock frequency

L2 cache size

Price

Athlon 64 X2 4800+

2.4 GHz

1 MB + 1 MB

$1001

Athlon 64 X2 4600+

2.4 GHz

512 KB + 512 KB

$803

Athlon 64 X2 4400+

2.2 GHz

1 MB + 1 MB

$581

Athlon 64 X2 4200+

2.2 GHz

512 KB + 512 KB

$537

Athlon 64 X2 3800+

2.0 GHz

512 KB + 512 KB

$354

The full specifications list for the new AMD Athlon 64 X2 3800+ is given in the table below:

Athlon 64 X2 3800+

Marking

ADA3800DAA5BV

Frequency

2.0 GHz

Packaging

939-pin organic micro-PGA

L2 cache

512 KB + 512 KB

Memory controller

128-bit, dual-channel

Supported memory types

DDR400 SDRAM

HyperTransport bus frequency

1 GHz

Core stepping

E4

Manufacturing process

90nm, SOI

Transistors

154 mln.

Die size

147sq.mm

Typical heat dissipation

89 W

Max. case temperature

65o C

Vcore

1.35V

AMD64 technology

Yes

NX-bit support

Yes

Cool’n’Quiet technology

Yes

I would like to draw your attention to the fact that the Thermal Design Power for AMD Athlon 64 X2 3800+ is set to 89W. It means that the CPU is compatible with all those mainboards and cooling systems that suit for regular Athlon 64 processors. The remarkable thing here is that all the previous Athlon 64 X2 processor models except 4200+ featured typical heat dissipation of 110W.

Another interesting thing is that Athlon 64 3800+ has set processor Vcore of 1.35V. Of course, it means that they didn’t have to increase the Vcore to 1.4V for their youngest CPU model production.

The diagnostic CPU-Z utility reports the following about Athlon 64 X2 3800+:

No surprises here, as you may see. The utility recognizes the Manchester core working at 2GHz frequency.

 
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