Sempron X2 2300 vs Athlon II X4 645

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Primary details

Comparing Athlon II X4 645 and Sempron X2 2300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2167not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.30no data
Market segmentDesktop processorDesktop processor
Power efficiency1.47no data
Architecture codenamePropus (2009−2011)Brisbane (2007−2008)
Release date21 September 2010 (14 years ago)March 2008 (16 years ago)
Launch price (MSRP)$80no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 645 and Sempron X2 2300 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 speed3.1 GHzno data
Boost clock speed3.1 GHz2.2 GHz
L1 cache128 KB (per core)128 KB
L2 cache512 KB (per core)256 KB
L3 cache0 KB0 KB
Chip lithography45 nm65 nm
Die size169 mm2118 mm2
Number of transistors300 million221 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon II X4 645 and Sempron X2 2300 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 configuration12
SocketAM3AM2
Power consumption (TDP)95 Watt65 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 645 and Sempron X2 2300. 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 645 and Sempron X2 2300.

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 645 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

Sempron X2 2300, on the other hand, has 46.2% lower power consumption.

We couldn't decide between Athlon II X4 645 and Sempron X2 2300. We've got no test results to judge.


Should you still have questions on choice between Athlon II X4 645 and Sempron X2 2300, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 645
Athlon II X4 645
AMD Sempron X2 2300
Sempron X2 2300

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Community ratings

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