They are closely matched: Intel Core i5 1335U scores 48/100 and Intel Core i5 12400T scores 46/100 in our overall comparison — within 2 points. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
Intel Core i5 1335U vs Intel Core i5 12400T
Verdict
Our overall take, at a glance
Key takeaways
- Intel Core i5 12400T leads Intel Core i5 1335U overall by 5 points (54 vs 49 out of 100).
- Intel Core i5 12400T stands out on Core Specifications Base Frequency: 1.8 GHz, Core Specifications Base Power Consumption: 35 W, Core Specifications Maximum Power Consumption: 74 W.
Intel Core i5 12400T leads overall
Intel Core i5 12400T
54
Intel Core i5 1335U
49
Why it stands out
- Core Specifications Base Frequency: 1.8 GHz
- Core Specifications Base Power Consumption: 35 W
- Core Specifications Maximum Power Consumption: 74 W
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
Intel Core i5 1335U
The Intel Core i5 1335U is part of the 13th Generation Intel Core mobile processors, designed for users needing high performance without being strictly constrained by space or time. The chip aims to provide capability across various digital creative and computing tasks.
Best for general computingBest for creative work
Pros
- Part of the 13th Gen Intel Core processors
- Offers unrivaled performance for everything it does
Intel Core i5 12400T
The Core i5 12400T is a desktop-class CPU designed for everyday computing tasks and power-efficient systems. It uses Intel's Alder Lake architecture and features a lower Thermal Design Power (TDP) to optimize performance for smaller or less powerful form factor devices. This processor is ideal for users who require reliable performance without needing maximum cooling capacity.
Best for SFF PCsBest for Home office computingBest for Educational use
Pros
- Built on the efficient 12th generation Alder Lake microarchitecture
- Provides reliable multi-core processing suitable for general desktop tasks
- The 'T' designation indicates a lower power draw, improving compatibility with low-power and Small Form Factor (SFF) builds
Cons
- Its reduced TDP limits the peak performance potential compared to non-'T' variants of the same generation
- While capable for general use, it may lack the raw single-core performance needed for highly demanding tasks or competitive gaming.
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Intel Core i5 1335U
Intel Core i5 12400T
Performance
Higher benchmark score = faster
Intel Core i5 1335U14,856
Intel Core i5 12400T16,552
Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about Intel Core i5 1335U vs Intel Core i5 12400T comparison
Intel Core i5 1335U and Intel Core i5 12400T are compared side by side above across every spec in the cpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 48/100 for Intel Core i5 1335U and 46/100 for Intel Core i5 12400T.
It's close — Intel Core i5 1335U (48/100) and Intel Core i5 12400T (46/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.
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