Intel Celeron G540 vs Intel Core 2 Extreme QX6850

Physical Specifications

Socket Intel Socket 1155 Intel Socket 775
Foundry Intel Intel
Process size 32 nm 65 nm
Transistors 504 million 582 million
Die size 131 mm² 2x 143 mm²
Package FC-LGA10 FC-LGA6
tCaseMax 64°C


Frequency 2.5 GHz 3 GHz
Turbo clock
Base clock 100 MHz 333 MHz
Multiplier 25.0x 9.0x
Multiplier unlocked No Yes
TDP 65 W 130 W
Voltage 1.34 V

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Sep 4th, 2011 Jul 15th, 2007
Codename Sandy Bridge Kentsfield
Generation Celeron Core 2 Extreme
Memory support DDR3 Dual-channel DDR1, DDR2, DDR3 Dual-channel
ECC memory No No
PCI Express Gen 3, 16 Lanes(CPU only) Gen 2


Total Cores 2 4
Total Threads 2 4
SMP # CPUs 1 1
Integrated graphics Intel HD (Sandy Bridge)


Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 8MB (shared)
Cache L3 2MB (shared)

Features & Technologies

EIST Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes
Smart Cache Yes
VT-x Yes Yes
XD bit Yes
iAMT2 Yes


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.


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