Xeon E5420 vs Core 2 Duo E8500

Primary details

Comparing Core 2 Duo E8500 and Xeon E5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2476	2154
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.55	0.24
Market segment	Desktop processor	Server
Architecture codename	Wolfdale (2008−2010)	no data
Release date	January 2008 (16 years ago)	1 October 2007 (16 years ago)
Current price	$59	$121

Cost-effectiveness evaluation

Performance per price, higher is better.

Core 2 Duo E8500 has 546% better value for money than Xeon E5420.

Detailed specifications

Core 2 Duo E8500 and Xeon E5420 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)	no data
Threads	2	no data
Base clock speed	3.16 GHz	2.5 GHz
Boost clock speed	3.17 GHz	no data
L1 cache	64 KB	no data
L2 cache	6 MB (shared)	no data
L3 cache	0 KB	12 MB L2 Cache
Chip lithography	45 nm	45 nm
Die size	107 mm2	no data
Maximum core temperature	72 °C	67 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	410 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	0.85V-1.35V

Compatibility

Information on Core 2 Duo E8500 and Xeon E5420 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	1	no data
Socket	LGA775	LGA771
Power consumption (TDP)	65 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8500 and Xeon E5420. You'll probably need this information if you require some particular technology.

AES-NI	-	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	+
FSB parity	-	+
Status	Discontinued	Discontinued

Security technologies

Core 2 Duo E8500 and Xeon E5420 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8500 and Xeon E5420 are enumerated here.

VT-d	+	no data
VT-x	+	+
EPT	no data	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8500 and Xeon E5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E5420 outperforms Core 2 Duo E8500 by 60% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	0.82	1.31
Power consumption (TDP)	65 Watt	80 Watt

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Should you still have questions on choice between Core 2 Duo E8500 and Xeon E5420, ask them in Comments section, and we shall answer.

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