i486DX-25 vs Athlon II X4 640

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Primary details

Comparing Athlon II X4 640 and i486DX-25 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2196not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.92no data
Market segmentDesktop processorLaptop
Seriesno dataIntel 80486
Power efficiency1.41no data
Architecture codenamePropus (2009−2011)80486 (1989)
Release date11 May 2010 (14 years ago)no data (2024 years ago)
Launch price (MSRP)$80no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 640 and i486DX-25 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)1 (Single-Core)
Threads4no data
Base clock speed3 GHzno data
Boost clock speed3 GHz0.03 GHz
Bus typeno dataFSB
Bus rateno data25 MT/s
Multiplierno data1
L1 cache128 KB (per core)8 KB
L2 cache512 KB (per core)no data
L3 cache0 KBno data
Chip lithography45 nm1 µm, 800 nm
Die size169 mm2no data
Number of transistors300 million1 Million
64 bit support+-
Windows 11 compatibility-no data

Compatibility

Information on Athlon II X4 640 and i486DX-25 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 Wattno data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 640 and i486DX-25. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory sizeno data4 GB

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 640 and i486DX-25.

PCIe version2.0no data

Pros & cons summary


Physical cores 4 1
Chip lithography 45 nm 1 nm

Athlon II X4 640 has 300% more physical cores.

i486DX-25, on the other hand, has a 4400% more advanced lithography process.

We couldn't decide between Athlon II X4 640 and i486DX-25. We've got no test results to judge.

Note that Athlon II X4 640 is a desktop processor while i486DX-25 is a notebook one.


Should you still have questions on choice between Athlon II X4 640 and i486DX-25, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 640
Athlon II X4 640
Intel i486DX-25
i486DX-25

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Community ratings

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