Xeon E5-2450 v2 vs Core 2 Duo E6420

Primary details

Comparing Core 2 Duo E6420 and Xeon E5-2450 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1127
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	no data	5.67
Architecture codename	Conroe (2006−2007)	Ivy Bridge-EN (2013−2014)
Release date	April 2007 (17 years ago)	1 September 2013 (11 years ago)

Detailed specifications

Core 2 Duo E6420 and Xeon E5-2450 v2 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	2.13 GHz	2.5 GHz
Boost clock speed	2.13 GHz	3.3 GHz
Bus rate	1066 MHz	8 GT/s
L1 cache	64 KB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
L3 cache	0 KB	20 MB (shared)
Chip lithography	65 nm	22 nm
Die size	111 mm2	160 mm2
Maximum core temperature	60 °C	80 °C
Number of transistors	167 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6420 and Xeon E5-2450 v2 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	2
Socket	PLGA775	FCLGA1356
Power consumption (TDP)	65 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6420 and Xeon E5-2450 v2. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	-
Demand Based Switching	-	+
PAE	no data	46 Bit
FSB parity	-	no data

Security technologies

Core 2 Duo E6420 and Xeon E5-2450 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6420 and Xeon E5-2450 v2 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 E6420 and Xeon E5-2450 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3
Maximum memory size	no data	384 GB
Max memory channels	no data	3
Maximum memory bandwidth	no data	38.4 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6420 and Xeon E5-2450 v2.

PCIe version	no data	3.0
PCI Express lanes	no data	24

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	8
Threads	2	16
Chip lithography	65 nm	22 nm
Power consumption (TDP)	65 Watt	95 Watt

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Should you still have questions on choice between Core 2 Duo E6420 and Xeon E5-2450 v2, ask them in Comments section, and we shall answer.

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