Intel Pentium D 840

The Intel Pentium D 840 is Dual core CPU clocked at 3.20 GHz — released March 2005

Something something

How does the Intel Pentium D 840 perform when put to the test.

Single-core Speed

Single-core speeds compared

Intel Pentium D 9353.20 GHz

Intel Pentium Extreme Edition 8403.20 GHz

Intel Pentium D 9503.40 GHz

Intel Pentium D 9453.40 GHz

Intel Pentium Extreme Edition 9553.46 GHz

Intel Pentium D 9603.60 GHz

Intel Pentium D 8403.20 GHz

Intel Pentium D 9403.20 GHz

Intel Core2 Duo E68503.00 GHz

Intel Pentium D 8303.00 GHz

Intel Pentium D 9253.00 GHz

Intel Pentium D 9303.00 GHz

Intel Core2 Extreme X68002.93 GHz

Single-core Turbo Speed

Max turbo single-core speeds compared

Intel Pentium D 935n/a

Intel Pentium Extreme Edition 840n/a

Intel Pentium D 950n/a

Intel Pentium D 945n/a

Intel Pentium Extreme Edition 955n/a

Intel Pentium D 960n/a

Intel Pentium D 840n/a

Intel Pentium D 940n/a

Intel Core2 Duo E6850n/a

Intel Pentium D 830n/a

Intel Pentium D 925n/a

Intel Pentium D 930n/a

Intel Core2 Extreme X6800n/a

Specifications

Full technical specifications for the Intel Pentium D 840.

Summary

Speed	3.20 GHz
Number of Cores	Dual core
Unlocked	No
Socket Type	PLGA775
Hyperthreaded	No

Features

NX Bit	Yes
Trusted Computing	No
Virtualization	No
Dynamic Frequency Scaling	Yes

Bus

Bus Architecture	FSB
Bus Clock Speed	800 MHz

Details

Architecture	x64
Cores	2
Threads	0 threads
L2 Cache	2
L3 Cache	0
Manufacture Process	90 nm
Operating Temperature	up to 69.8°C
Voltage Range	1.200V-1.400V

Power

Thermal Design Power (TDP)

130 W

Memory

ECC Memory Support

Intel Pentium Extreme Edition 965 Dual core @ 3.73 GHz January 2006 Intel Pentium D 960 Dual core @ 3.60 GHz March 2006 Intel Pentium Extreme Edition 955 Dual core @ 3.46 GHz January 2006 Intel Pentium D 945 Dual core @ 3.40 GHz June 2006 Intel Pentium D 950 Dual core @ 3.40 GHz January 2006 Intel Pentium Extreme Edition 840 Dual core @ 3.20 GHz March 2005 Intel Pentium D 935 Dual core @ 3.20 GHz January 2007 Intel Pentium D 940 Dual core @ 3.20 GHz January 2006 Intel Core2 Duo E6850 Dual core @ 3.00 GHz June 2007 Intel Pentium D 830 Dual core @ 3.00 GHz March 2005 Intel Pentium D 925 Dual core @ 3.00 GHz June 2006 Intel Pentium D 930 Dual core @ 3.00 GHz January 2006 Intel Core2 Extreme X6800 Dual core @ 2.93 GHz June 2006 Intel Pentium D 820 Dual core @ 2.80 GHz March 2005 Intel Pentium D 915 Dual core @ 2.80 GHz June 2006 Intel Pentium D 920 Dual core @ 2.80 GHz January 2006 Intel Core2 Duo E6750 Dual core @ 2.66 GHz June 2007 Intel Pentium D 805 Dual core @ 2.66 GHz January 2005 Intel Xeon 3070 Dual core @ 2.66 GHz 1999 Intel Core2 Duo E6700 Dual core @ 2.66 GHz June 2006 Intel Core2 Duo E4700 Dual core @ 2.60 GHz January 2008 Intel Xeon 3060 Dual core @ 2.40 GHz 1999 Intel Core2 Duo E6600 Dual core @ 2.40 GHz June 2006 Intel Xeon 3065 Dual core @ 2.33 GHz September 2007 Intel Core2 Duo E6540 Dual core @ 2.33 GHz June 2007 Intel Core2 Duo E6550 Dual core @ 2.33 GHz June 2007