Core 2 Duo E6305 vs Athlon II X4 640

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Primary details

Comparing Athlon II X4 640 and Core 2 Duo E6305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2212not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.92no data
Market segmentDesktop processorServer
Power efficiency1.40no data
Architecture codenamePropus (2009−2011)no data
Release date11 May 2010 (14 years ago)no data
Launch price (MSRP)$80no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 640 and Core 2 Duo E6305 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed3 GHz1.86 GHz
Boost clock speed3 GHzno data
Bus rateno data1066 MHz
L1 cache128 KB (per core)no data
L2 cache512 KB (per core)no data
L3 cache0 KB2 MB L2 Cache
Chip lithography45 nm65 nm
Die size169 mm2no data
Number of transistors300 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X4 640 and Core 2 Duo E6305 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 configuration1no data
SocketAM3no data
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 640 and Core 2 Duo E6305. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Demand Based Switchingno data-
FSB parityno data+

Security technologies

Athlon II X4 640 and Core 2 Duo E6305 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 640 and Core 2 Duo E6305 are enumerated here.

VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 640 and Core 2 Duo E6305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 640 and Core 2 Duo E6305.

PCIe version2.0no data

Pros & cons summary


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

Athlon II X4 640 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

Core 2 Duo E6305, on the other hand, has 46.2% lower power consumption.

We couldn't decide between Athlon II X4 640 and Core 2 Duo E6305. We've got no test results to judge.

Note that Athlon II X4 640 is a desktop processor while Core 2 Duo E6305 is a server/workstation one.


Should you still have questions on choice between Athlon II X4 640 and Core 2 Duo E6305, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 640
Athlon II X4 640
Intel Core 2 Duo E6305
Core 2 Duo E6305

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