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.
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 Ryzen 5 8640U is a Zen 4 mobile processor with 6 cores and 12 threads, offering a base clock of 3.5 GHz and a boost up to 4.9 GHz. Its 28W TDP makes it suitable for thin and light laptops, providing strong multi-threaded performance for productivity and light content creation. Integrated RDNA 3 graphics enable casual gaming at 1080p low settings, competing with Intel's Core Ultra 5 series in efficiency and integrated graphics capabilities.
Verdict
βIdeal for users needing a balanced mobile CPU for productivity, light gaming, and content creation.β
Performance Benchmarks
Scores are grouped by benchmark family so it is easy to compare raw speed, threaded output, and real-world value without mixing scales.
Render Workloads
Next-Gen Scale
Large Sample Pool
Value & Efficiency
These derived metrics use Cinebench R23 multi-core performance to keep the value calculation consistent across the catalog.
Performance per Watt
381.3 pts/W
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These pairings are pre-ranked from the comparison engine so readers can jump straight into the most relevant alternatives.
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