Based on our overall comparison score, Intel Core i5 1240U rates higher at 49/100 versus 45/100 for Intel Core i5 13400 — a 4-point lead. Intel Core i5 1240U is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Intel Core i5 1240U vs Intel Core i5 13400
Verdict
Our overall take, at a glance
Key takeaways
- Intel Core i5 13400 leads Intel Core i5 1240U overall by 18 points (62 vs 44 out of 100).
- Intel Core i5 13400 stands out on Core Specifications Threads: 16, Core Specifications Base Frequency: 1.8 GHz, Core Specifications Base Power Consumption: 65 W.
Intel Core i5 13400 leads overall
Intel Core i5 13400
62
Intel Core i5 1240U
44
Why it stands out
- Core Specifications Threads: 16
- Core Specifications Base Frequency: 1.8 GHz
- Core Specifications Base Power Consumption: 65 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 1240U
The Intel Core i5 1240U is a mobile processor designed for mainstream portable computing tasks. It falls under the widely adaptable Alder Lake architecture, giving it efficiency and solid performance characteristics. This CPU is best suited for general productivity work in laptops where power consumption and battery life are key concerns.
Best for general productivityBest for daily computingBest for students and basic home office users
Pros
- Benefit from the Alder Lake architecture's blend of performance and low power draw
- Suitable for multi-core workloads due to its modern design structure
- Offers good operating stability for common daily computing tasks
Cons
- Being a 'U' series processor indicates it prioritizes efficiency over peak sustained performance
- Performance on highly demanding professional applications may be limited by its power profile
Intel Core i5 13400
The Core i5 13400 is a modern desktop processor designed for mainstream computing tasks. It delivers balanced performance by pairing multiple core counts with generally efficient operation. This CPU suits general users and power users who require solid performance without needing the extreme capabilities of flagship models.
Best for General ProductivityBest for Content Creation (Editing/Productivity)Best for Mainstream Gaming
Pros
- Architecture includes both efficiency (E) cores and performance (P) cores, optimizing performance for varied workloads.
- It falls within a key generation line of Intel CPUs, indicating broad compatibility with current motherboards and components.
- Provides sufficient multi-core processing power for general productivity, content creation, and most modern gaming needs.
Cons
- The performance sweet spot lies in the mid-range, meaning top-tier computational demands may require a higher i7 or i9 model.
- Unlike ultra-high-end chips, it is not designed for the absolute maximum processing throughput available on the market.
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 1240U
Intel Core i5 13400
Performance
Higher benchmark score = faster
Intel Core i5 1240U14,323
Intel Core i5 1340026,071
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 1240U vs Intel Core i5 13400 comparison
Intel Core i5 1240U and Intel Core i5 13400 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 49/100 for Intel Core i5 1240U and 45/100 for Intel Core i5 13400.
If you want the higher-rated cpus option overall, Intel Core i5 1240U (49/100) edges out Intel Core i5 13400 (45/100). But if Intel Core i5 13400 is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.
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