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Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
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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.
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.
VIA
Detailed architecture, platform, memory, and feature data for this CPU.
Instruction Sets
About This Product
The VIA C3 Processor 866A is a single-core, single-thread desktop CPU from the Ezra microarchitecture, manufactured by TSMC. With a base clock of 0.87 GHz and a 9W TDP, it offers minimal processing power suitable only for basic, legacy computing tasks. Its performance is significantly lower than contemporary Intel Celeron or AMD Duron processors from the same era, making it unsuitable for modern applications or even light multitasking.
Verdict
βIdeal for retro PC enthusiasts building a period-accurate, low-power system.β
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