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Check specs, price, and value across parts.
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Measure CPU and GPU balance before you buy.
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Estimate wattage and PSU headroom.
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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.
AMD

Detailed architecture, platform, memory, and feature data for this CPU.
Instruction Sets
About This Product
The AMD Athlon II X3 400e is an end-of-life triple-core desktop CPU designed for the AM3 socket. With a 2.2 GHz base clock and 45W TDP, it offers basic multi-core performance suitable for general office tasks and light web browsing. Its integrated graphics capability is chipset-dependent, not on-die, and provides minimal performance for modern applications. This CPU is significantly outperformed by contemporary budget processors in both single and multi-threaded workloads.
Verdict
βOnly suitable for reviving very old systems for basic, non-demanding tasks due to its age.β
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