Intel Core 2 Extreme QX6850 vs Intel Xeon W3503

Table of Contents

Physical Specifications

Socket Intel Socket 775 Intel Socket 1366
Foundry Intel Intel
Process size 65 nm 45 nm
Transistors 582 million 731 million
Die size 2x 143 mm² 263 mm²
Package FC-LGA6 FC-LGA8
tCaseMax 64°C

Performance

Frequency 3 GHz 2.4 GHz
Turbo clock
Base clock 333 MHz 133 MHz
Multiplier 9.0x 18.0x
Multiplier unlocked Yes No
Voltage 1.34 V 1.225 V
TDP 130 W 130 W

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status End-of-life End-of-life
Release date Jul 15th, 2007 Mar 30th, 2009
Codename Kentsfield Bloomfield
Generation Core 2 Extreme Xeon
Part SLAFN SLBGD
Memory support DDR1, DDR2, DDR3 Dual-channel DDR3 Triple-channel
ECC memory No Yes
PCI Express Gen 2 Gen 2

Cores

Total Cores 4 2
Total Threads 4 2
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 8MB (shared) 256K (per core)
Cache L3 4MB (shared)

Notes

Notes This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label.

Features & Technologies

EIST Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes
SSSE3 Yes
TXT Yes
VT-x Yes Yes
XD-Bit Yes
iAMT2 Yes

Compare

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.