AMD Phenom II X4 920 vs Intel Core 2 Extreme QX9775

Table of Contents

Physical Specifications

Socket AMD Socket AM3 Intel Socket 771
Process size 45 nm 45 nm
Transistors 758 million 820 million
Die size 258 mm² 2x 107 mm²
Package µPGA FC-LGA6
Foundry Intel
tCaseMax 63°C

Performance

Frequency 2.8 GHz 3.2 GHz
Turbo clock
Base clock 200 MHz 400 MHz
Multiplier 14.0x 8.0x
Multiplier unlocked No Yes
Voltage 1.5 V 1.35 V
TDP 125 W 150 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Jan 8th, 2009 Mar 24th, 2008
Codename Deneb Yorkfield
Generation Phenom II X4 Core 2 Extreme
Part HDX920XCJ4DGIHDX920XCGIBOX EU80574XL088N
Memory support DDR3 Dual-channel DDR2
ECC memory No No
PCI Express Gen 2

Cores

Total Cores 4 4
Total Threads 4 4
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 128K (per core) 64K (per core)
Cache L2 512K (per core) 12MB (shared)
Cache L3 6MB (shared)

Features & Technologies

3DNow! Yes
AMD-V Yes
AMD64 Yes
EIST Yes
Intel 64 Yes
MMX Yes Yes
NX bit Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4A Yes
SSSE3 Yes
VT-x Yes

Notes

Notes Being an Extreme Edition processor, it features an unlocked FSB multiplier that allows users to set the multiplier value above its shipped value. Unlike the QX9770, this chip uses the LGA-771 socket and is only compatible with Intel D5400XS "Skulltrail",

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