Athlon XP 1800+ vs Core 2 Duo P8400

Primary details

Comparing Core 2 Duo P8400 and Athlon XP 1800+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2842	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
Power efficiency	2.01	no data
Architecture codename	Penryn (2008−2011)	Thoroughbred (2001−2002)
Release date	15 July 2008 (16 years ago)	January 2001 (23 years ago)
Launch price (MSRP)	$209	$59

Detailed specifications

Core 2 Duo P8400 and Athlon XP 1800+ 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	1
Base clock speed	2.26 GHz	no data
Boost clock speed	2.26 GHz	1.53 GHz
Bus rate	1066 MHz	no data
L1 cache	128 KB	128 KB
L2 cache	3 MB	256 KB
L3 cache	3 MB L2 Cache	0 KB
Chip lithography	45 nm	180 nm
Die size	107 mm2	150 mm2
Maximum core temperature	105 °C	no data
Number of transistors	410 Million	37 million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	1.05V-1.15V	no data

Compatibility

Information on Core 2 Duo P8400 and Athlon XP 1800+ 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	BGA479,PBGA479,PGA478	A
Power consumption (TDP)	25 Watt	66 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P8400 and Athlon XP 1800+. 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 P8400 and Athlon XP 1800+ 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 P8400 and Athlon XP 1800+ are enumerated here.

VT-x

+

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	180 nm
Power consumption (TDP)	25 Watt	66 Watt

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Should you still have questions on choice between Core 2 Duo P8400 and Athlon XP 1800+, ask them in Comments section, and we shall answer.

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