Pentium III 1200 vs Xeon E5450

Primary details

Comparing Xeon E5450 and Pentium III 1200 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1982	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.05	no data
Market segment	Server	Desktop processor
Architecture codename	no data	Tualatin (2000−2002)
Release date	1 October 2007 (16 years ago)	July 2001 (22 years ago)
Current price	$70	$16.37

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5450 and Pentium III 1200 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	no data	1 (Single-Core)
Threads	no data	1
Base clock speed	3 GHz	no data
Boost clock speed	no data	1.2 GHz
L1 cache	no data	8 KB
L2 cache	no data	256 KB
L3 cache	12 MB L2 Cache	0 KB
Chip lithography	45 nm	130 nm
Die size	no data	80 mm2
Maximum core temperature	67 °C	no data
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	no data	44 million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5450 and Pentium III 1200 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	LGA771	370
Power consumption (TDP)	80 Watt	30 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5450 and Pentium III 1200. 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
Thermal Monitoring	+	no data
Demand Based Switching	+	no data
FSB parity	+	no data
Status	Discontinued	no data

Security technologies

Xeon E5450 and Pentium III 1200 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 Xeon E5450 and Pentium III 1200 are enumerated here.

VT-x	+	no data
EPT	-	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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Chip lithography	45 nm	130 nm
Power consumption (TDP)	80 Watt	30 Watt

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Should you still have questions on choice between Xeon E5450 and Pentium III 1200, ask them in Comments section, and we shall answer.

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