Pentium 4 HT 531 vs Core 2 Duo SL9400

Primary details

Comparing Core 2 Duo SL9400 and Pentium 4 HT 531 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Duo	no data
Architecture codename	Penryn (2008−2011)	Prescott (2001−2005)
Release date	20 August 2008 (16 years ago)	June 2005 (19 years ago)
Launch price (MSRP)	$284	no data

Detailed specifications

Core 2 Duo SL9400 and Pentium 4 HT 531 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)	1 (Single-Core)
Threads	2	2
Base clock speed	1.86 GHz	no data
Boost clock speed	1.86 GHz	3 GHz
Bus rate	1066 MHz	no data
L1 cache	no data	16 KB
L2 cache	6 MB	1 MB
L3 cache	6 MB L2 Cache	0 KB
Chip lithography	45 nm	90 nm
Die size	107 mm2	109 mm2
Maximum core temperature	105 °C	no data
Number of transistors	410 Million	125 million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	1.05V - 1.15V	no data

Compatibility

Information on Core 2 Duo SL9400 and Pentium 4 HT 531 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	no data	1
Socket	BGA956	775
Power consumption (TDP)	17 Watt	84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo SL9400 and Pentium 4 HT 531. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo SL9400 and Pentium 4 HT 531 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo SL9400 and Pentium 4 HT 531 are enumerated here.

VT-x

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo SL9400 and Pentium 4 HT 531. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR1, DDR2, DDR3

Pros & cons summary

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Physical cores	2	1
Chip lithography	45 nm	90 nm
Power consumption (TDP)	17 Watt	84 Watt

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Should you still have questions on choice between Core 2 Duo SL9400 and Pentium 4 HT 531, ask them in Comments section, and we shall answer.

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