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AMD Phenom X4 9850 (2.5GHz)

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Product name Compare AMD Phenom X4 9850 (2.5GHz)

AMD Phenom X4 9850 (2.5GHz)

Compare Intel Core 2 Duo E6700

Intel Core 2 Duo E6700

 
Compare Intel Core 2 Extreme QX6700

Intel Core 2 Extreme QX6700

Compare Intel Core 2 Extreme QX6850

Intel Core 2 Extreme QX6850

Compare Intel Core 2 Extreme X6800

Intel Core 2 Extreme X6800







Release date March 27, 2008  July 13, 2006  November 14, 2006     July 13, 2006 






Editors' rating
(Editors' rating explained)
6.7 out of 10 6.7
Good






Price range   Check latest prices
$235-$311
from 10 stores
 
  Check latest prices
$388-$399
from 2 stores
 
  Check latest prices
$1064-$1212
from 3 stores
 
  Check latest prices
$850-$1393
from 13 stores
 
  Check latest prices
$1208
from 1 store
 






Review summary AMD's new Phenom X4 9850 is overpriced and outclassed compared with its Intel-based quad-core competition. If PC vendors can use this chip to make cheap systems (as they did with older Phenoms), we might have nicer things to say, but as a DIY part at this price, we can't recommend AMD's latest quad-core CPU. Intel's Core 2 Duo E6700 offers the best price-to-performance ratio we've seen in a desktop chip. For half the cost of AMD's top-of-the-line chip, you get identical if not superior performance and better power efficiency. AMD surprised us last year with its completely dominant dual-core chips, but Intel regains the crown with Core 2 Duo. If you thought dual cores were over the top, get ready. Intel presents the Core 2 Extreme QX6700, a single CPU with four distinct processing cores. At $999, the first quad-core CPU will remain an enthusiast part for a while, but as a glimpse of the future, it's clear that clock speed is out and core counts are in. The quad-core Core 2 Extreme QX6850 keeps the desktop CPU performance belt tied firmly around Intel's waist at a price that helps offset the lack of sizable performance gains. New products at the end of the year may outclass this new chip when they arrive, but for now, the QX6850 reigns supreme. AMD's Athlon 64 FX line has worn the desktop CPU performance crown for over a year. The king is dead. Intel's new flagship Core 2 Extreme X6800 not only hands AMD a defeat on all of our benchmarks, but it's also a more efficient, better designed chip overall.






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Basic Specs
Product name Compare AMD Phenom X4 9850 (2.5GHz)
AMD Phenom X4 9850 (2.5GHz)
Compare Intel Core 2 Duo E6700
Intel Core 2 Duo E6700  
Compare Intel Core 2 Extreme QX6700
Intel Core 2 Extreme QX6700
Compare Intel Core 2 Extreme QX6850
Intel Core 2 Extreme QX6850
Compare Intel Core 2 Extreme X6800
Intel Core 2 Extreme X6800






Processor type Phenom X4
Core 2 Duo
Core 2 Extreme
Core 2 Extreme
Core 2 Extreme






Clock speed 2.5 GHz
2.66 GHz
2.66 GHz
3 GHz
2.93 GHz






Data Bus Speed:Bus Speed Info unavailable
1066 MHz
1066 MHz
1333 MHz
1066 MHz






Product name AMD Phenom X4 9850 (2.5GHz) Intel Core 2 Duo E6700   Intel Core 2 Extreme QX6700 Intel Core 2 Extreme QX6850 Intel Core 2 Extreme X6800






Full specifications Full specifications Full specifications Full specifications Full specifications Full specifications






Price range   Check latest prices
$235-$311
from 10 stores
 
  Check latest prices
$388-$399
from 2 stores
 
  Check latest prices
$1064-$1212
from 3 stores
 
  Check latest prices
$850-$1393
from 13 stores
 
  Check latest prices
$1208
from 1 store
 






 
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