Core i5-8400TvsEPYC 9755
The Core i5-8400T is a low-power, six-core desktop chip for basic office work and media PCs, while the EPYC 9755 is a 128-core server monster built for heavy data centers and cloud computing.
Core i5-8400T
Coffee Lake · 14 nm · 2018
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EPYC 9755
Turin · 4 nm · 2024
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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 EPYC 9755 dominates overall for heavy workloads, while the Core i5-8400T only suits low-power, basic tasks.
For budget buyers needing low power and everyday use, the Core i5-8400T is the smarter pick despite far less performance.
The Core i5-8400T is the right choice for a silent home server or office PC where power draw and heat matter most.
Frequently asked questions
Is the Core i5-8400T better than the EPYC 9755?
Overall the EPYC 9755 is the stronger processor: it ranks higher in our aggregate performance score (100 vs 4 out of 100), so it leads the Core i5-8400T in most workloads.
How much faster is the EPYC 9755 than the Core i5-8400T?
Based on our aggregated benchmark scores the EPYC 9755 is roughly 2400% 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 EPYC 9755?
If you want the most performance, pick the EPYC 9755. 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.