Core i5-8400TvsRyzen Threadripper 9980X
The Core i5-8400T is a low-power, everyday CPU for basic office work and home theater PCs, while the Ryzen Threadripper 9980X is a high-core workstation monster built for heavy rendering and multi-tasking professionals.
Core i5-8400T
Coffee Lake · 14 nm · 2018
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Ryzen Threadripper 9980X
Shimada Peak · 4 nm · 2025
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Overall Performance Score
A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest desktop CPU available.
Side-by-Side Specs
Every detail compared. Highlighted cells indicate the leading value for that metric.
Which should you buy?
The Ryzen Threadripper 9980X wins overall for anyone needing extreme multi-threaded performance, far outpacing the Core i5-8400T.
The Core i5-8400T is the smarter pick for budget buyers, offering much lower power draw and adequate performance for everyday tasks.
The Core i5-8400T is the right choice for a low-power home server or quiet office PC where the Threadripper's high heat and cost are unnecessary.
Frequently asked questions
Is the Core i5-8400T better than the Ryzen Threadripper 9980X?
Overall the Ryzen Threadripper 9980X is the stronger processor: it ranks higher in our aggregate performance score (86 vs 4 out of 100), so it leads the Core i5-8400T in most workloads.
How much faster is the Ryzen Threadripper 9980X than the Core i5-8400T?
Based on our aggregated benchmark scores the Ryzen Threadripper 9980X is roughly 2050% faster than the Core i5-8400T overall. The real-world gap varies by game, resolution and settings.
Which should you buy, the Core i5-8400T or the Ryzen Threadripper 9980X?
If you want the most performance, pick the Ryzen Threadripper 9980X. If the Core i5-8400T is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.