Athlon II X4 640 vs Core 2 Duo E6300

Primary details

Comparing Core 2 Duo E6300 and Athlon II X4 640 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	2095
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.92
Market segment	Desktop processor	Desktop processor
Architecture codename	Conroe (2006−2007)	Propus (2009−2011)
Release date	July 2006 (17 years ago)	11 May 2010 (14 years ago)
Launch price (MSRP)	no data	$80
Current price	$61	$49 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Duo E6300 and Athlon II X4 640 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	1.86 GHz	3 GHz
Boost clock speed	1.87 GHz	3 GHz
L1 cache	64 KB	128 KB (per core)
L2 cache	2 MB	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	65 nm	45 nm
Die size	143 mm2	169 mm2
Maximum core temperature	61 °C	no data
Number of transistors	291 million	300 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6300 and Athlon II X4 640 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	1
Socket	LGA775,PLGA775	AM3
Power consumption (TDP)	65 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6300 and Athlon II X4 640. You'll probably need this information if you require some particular technology.

AES-NI	-	no data
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

Core 2 Duo E6300 and Athlon II X4 640 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 E6300 and Athlon II X4 640 are enumerated here.

VT-x

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6300 and Athlon II X4 640. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1, DDR2, DDR3

DDR3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6300 and Athlon II X4 640.

PCIe version

no data

2.0

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	4
Threads	2	4
Chip lithography	65 nm	45 nm
Power consumption (TDP)	65 Watt	95 Watt

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Should you still have questions on choice between Core 2 Duo E6300 and Athlon II X4 640, ask them in Comments section, and we shall answer.

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