Core i7-965 Extreme Edition vs Pentium D 840 EE

Primary details

Comparing Pentium D 840 EE and Core i7-965 Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	no data	Intel Core i7EE
Architecture codename	Smithfield (2005)	Nehalem (2008−2010)
Release date	May 2005 (19 years ago)	17 November 2008 (15 years ago)
Current price	no data	$150

Detailed specifications

Pentium D 840 EE and Core i7-965 Extreme Edition basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	4 (Quad-Core)
Threads	4	8
Boost clock speed	3.2 GHz	3.2 GHz
Bus support	no data	6.4 GT/s
L1 cache	28 KB	no data
L2 cache	2 MB	1 MB
L3 cache	0 KB	8 MB
Chip lithography	90 nm	45 nm
Die size	206 mm2	263 mm2
Number of transistors	169 million	731 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Pentium D 840 EE and Core i7-965 Extreme Edition compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	2	1 (Uniprocessor)
Socket	775	no data
Power consumption (TDP)	130 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 840 EE and Core i7-965 Extreme Edition. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 840 EE and Core i7-965 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	no data
Maximum memory size	no data	24 GB

Pros & cons summary

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Physical cores	2	4
Threads	4	8
Chip lithography	90 nm	45 nm

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