A6-3670K vs Xeon E5420

Primary details

Comparing Xeon E5420 and A6-3670K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2278	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	1.50	no data
Architecture codename	no data	Llano (2011−2012)
Release date	1 October 2007 (17 years ago)	20 December 2011 (12 years ago)

Detailed specifications

Xeon E5420 and A6-3670K 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	4 (Quad-Core)
Threads	no data	4
Base clock speed	2.5 GHz	2.7 GHz
Boost clock speed	no data	2.7 GHz
L1 cache	no data	128 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	12 MB L2 Cache	0 KB
Chip lithography	45 nm	32 nm
Die size	no data	228 mm2
Maximum core temperature	67 °C	no data
Number of transistors	no data	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5420 and A6-3670K 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	FM1
Power consumption (TDP)	80 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and A6-3670K. 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	+	-
Demand Based Switching	+	no data
FSB parity	+	no data

Security technologies

Xeon E5420 and A6-3670K 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 E5420 and A6-3670K are enumerated here.

AMD-V	-	+
VT-x	+	no data
EPT	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and A6-3670K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Radeon HD 6530D

Pros & cons summary

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Recency	1 October 2007	20 December 2011
Chip lithography	45 nm	32 nm
Power consumption (TDP)	80 Watt	100 Watt

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