Feature Articles

AMD's New Phenom X4 9000 Series

By Vijay Anand - 12 Apr 2008

Quad-Core Processors Compared

Quad-Core Processors Compared

Intel/AMD Quad-Core Processors Compared
Processor Name AMD Phenom X4 Core 2 Extreme / Quad (45nm) Core 2 Extreme / Quad (65nm)
Processor Model 9850 'Black Edition', 9750, 9650, 9550 QX9650, Q9550, Q9450, Q9300 QX6850, Q6700, Q6600
Processor Frequency 2.5GHz, 2.4GHz, 2.3GHz, 2.2GHz 3.0GHz, 2.83GHz, 2.66GHz, 2.50GHz 3.0GHz, 2.67GHz, 2.40GHz
No. of Cores 4 4 4
Front Side Bus (MHz) - 1333 1333 / 1066
HyperTransport Bus 2.0GHz (9850 only), 1.8GHz - -
L1 Cache (data + instruction) (64KB + 64KB) x 4 (32KB + 32KB) x 4 (32KB + 32KB) x 4
L2 Cache 512KB x 4 6MB x 2, 3MB x 2 (Q9300 only) 4MB x 2
L3 Cache 2MB - -
Memory Controller Integrated Dual Channel (up to DDR2-1066) External - Chipset Dependent External - Chipset Dependent
TDP (W) 95 - 125 95 - 130 95 - 130
Instruction Set Support MMX, SSE, SSE2, SSE3, SSE4a MMX, SSE, SSE2, SSE3, SSSE3, SSSE4.1 MMX, SSE, SSE2, SSE3, SSSE3
Execute Disable Bit Yes Yes Yes
Intel EM64T / AMD64 Yes Yes Yes
Enhanced Intel SpeedStep Technology (EIST) / AMD Cool 'n' Quiet Yes Yes Yes
Virtualization Technology Yes Yes (Enhanced) Yes
Packaging AM2+ LGA775 LGA775
Process Technology 65nm SOI 45nm 65nm
Processor Codename Windsor Yorkfield Kentsfield
Die Size 285mm² 214mm² 286mm²
No. of Transistors 450 million 820 million 582 million
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