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Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
AMD

Detailed architecture, platform, memory, and feature data for this CPU.
Instruction Sets
About This Product
The Athlon II X4 638 is a quad-core desktop CPU from AMD's Llano microarchitecture, featuring integrated graphics. With a base clock of 2.7 GHz, it provides basic multi-core performance suitable for general computing tasks and light productivity. Its integrated graphics can handle casual gaming and HD video playback, but it is not suitable for modern demanding games or intensive applications. This CPU is an end-of-life product and is significantly outperformed by modern entry-level processors.
Verdict
βSuitable only for extremely budget-constrained legacy systems or basic retro builds.β
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