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Digital-Daily : CPU & Memory : amd_phenom_x4_9850

AMD Phenom X4 9850 – a top-end CPU at affordable price

AMD Phenom X4 9850 – a top-end CPU at affordable price
Author:
Date: 05.09.2008

So far, Phenom X4 9850 which we are reviewing today, has been at the top end of AMD's quad-core processors. With the advent of the model Phenom X4 9950, it had to give in the honorable first place, but that does not belittle its merits at all. The difference in the clock speeds of these processors (2.5 and 2.6 GHz) is minor, and in view of the much lower price the CPU Phenom X4 9850 looks more attractive to the potential buyer.

Phenom X4 9850 front

Phenom X4 9850 back

This is how the CPU being reviewed looks.

Below, you can see the screenshots of the CPU-Z utility with the specifications of the CPU and the test platform.

cpu-z1.png

cpu-z2.png

cpu-z3.png

cpu-z4.png

cpu-z5.png

Before we move on to the tests, we say a few words on the rival which we selected for the contest – the quad-core CPU Intel Core 2 Quad Q9300. We decided to take just that model for comparison, because Phenom X4 9850 and Core 2 Quad Q9300 are of the same clock speed – 2.5 GHz. This allows comparing the differences in performance related to their architectures. As we know, AMD Phenom processors offer L3 cache memory common for all the cores. At the same time, Intel's quad-core processors do not have 3rd level cache memory because physically they are two chips merged on a single substrate, so L3 cache is common only for each pair of cores. Another important distinction is in that AMD processors offer an integrated memory controller, whereas Intel processors communicate with the memory (RAM) via the "north bridge" of the chipset. We are now trying to find out which approach provides better performance.

Here are the major specifications of the processors which take part in this test:

CPU Phenom X4 9850 Core 2 Quad Q9300
Process technology, nm 65 45
Core speed, MHz 2500 2500
Cores 4 4
L1 cache, K 4x64 4x32
L2 cache, K 4x512 2x3072
L3 cache, K 2048 -
Bus speed, MHz 200 333 (1333 QP)
Multiplier 12,5 7,5
TDP, W 130 95
Price, rubles (1 USD = 23.5 rubles) ~ 6000 ~ 8200

The approximate prices are given according to www.price.ru for the "boxed" versions of the processors.

Content:

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