CPU Comparison
Intel Core i3-1315U vs Core i5-1335U
A side-by-side comparison of specs, performance and value. The Intel Core i3-1315U is a 6-core (2P+4E), 8-thread mobile processor with UHD Graphics 64EU running at 15W TDP, designed for mainstream thin-and-light laptops balancing performance and battery life.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office applications, web browsing with multiple tabs, and light multitasking well. Heavier applications like large Excel files or multiple browser windows with rich content show some slowdown.
Smooth performance for everyday office tasks and multitasking.
Gaming
Not designed for gaming. UHD 64EU can handle older or very light games at low settings, but modern AAA titles are not playable at acceptable frame rates.
Suitable only for e-sports and older games at reduced settings.
Virtualization
8 threads allow for a lightweight VM alongside host tasks, but this is not a virtualization-focused processor.
Basic VM support, but constrained by core count and memory bandwidth.
Efficiency
15W TDP with Intel's Dynamic Tuning Technology enables excellent battery life in well-designed laptops, typically 8-12 hours of light use.
Exceptional efficiency, ensuring long battery life for on-the-go use.
Specialized Performance
AI / ML
- No dedicated AI acceleration
- 2 P-cores provide limited CPU inference capability
- Not suitable for AI/ML development or inference
- No dedicated AI hardware
- Relies on CPU/GPU for AI tasks
Content Creation
Gaming
- Not designed for gaming
- UHD 64EU can handle casual 2D games and very light 3D
- Minecraft and similar lightweight titles may run acceptably
- Any modern AAA game will be unplayable
- Integrated GPU limits gaming potential
- Requires dual-channel RAM for best iGPU results
- Not designed for AAA titles
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 2 P-cores provide responsive single-threaded performance
- 4 E-cores handle background tasks efficiently
- 15W TDP enables excellent battery life
- UHD 64EU with hardware AV1 decoding
- Broad memory type support for OEM flexibility
- Significant improvement over 12th gen i3-1215U in single-threaded tasks
Cons
- Only 8 threads limit heavy multitasking
- 15W base power constrains sustained performance
- No dedicated GPU means gaming is not viable
- E-cores lack Hyper-Threading
- BGA package means no upgrade path
- 10MB L3 cache is shared across all 6 cores
Pros
- Great power efficiency
- Solid single-core performance
- 10-core hybrid design
- Iris Xe 80EU graphics
- DDR5 support
Cons
- Low base clock speed
- Weak for heavy gaming
- BGA soldered
- Sustained performance limited by cooling
- Not an enthusiast chip
Competitors & Alternatives
Intel Core i3-1315U
- AMD Ryzen 3 7320URival
Mainstream Mobile
- AMD Ryzen 5 7520URival
Mainstream Mobile
- AMD Ryzen 5 7530URival
Mainstream Mobile
- Apple M2 (base)Rival
Premium Mobile
- Compare head-to-headIntel Core i5-1235URival
Previous Gen Mid-Range
- Intel Core i5-1335UAlt
2P+8E with 12 threads provides significantly better multitasking if the budget allows.
Previous generation with same core count may offer better value if found at a lower price.
Compare head-to-head- Apple M2 (base MacBook Air)Alt
Dramatically better performance and battery life at a higher price point.
Core i5-1335U
- AMD Ryzen 5 7530URival
Mobile
- AMD Ryzen 5 7640URival
Mobile
- Compare head-to-headApple M2Rival
Mobile
- Intel Core i5-1345URival
Mobile
- Qualcomm Snapdragon 8cx Gen 3Rival
Mobile
- Intel Core i7-1355UAlt
More EUs in the iGPU and higher clocks for better graphics.
- AMD Ryzen 7 7735UAlt
Stronger integrated Radeon graphics.
More P-cores for better sustained multi-threading at the cost of battery.
Compare head-to-head- Alt
Incredible battery life and passively cooled designs.
Compare head-to-head
Our Verdict on Each
A competent mainstream mobile chip that improves on the previous generation with Raptor Cove P-cores. The 2P+4E configuration provides adequate multitasking for everyday use, though heavy workloads will still expose its limitations.
Best for: Mainstream laptop purchase in the $400-$700 range for everyday computing, school, or office work where battery life and adequate performance are both important.
Read the full reviewA highly capable mobile chip for daily tasks and light workloads, offering great efficiency and adequate burst speed for typical user needs.
Best for: Purchasing a mainstream ultrabook for school or office use.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i3-1315U or Core i5-1335U?
Based on our editorial ratings, the Core i5-1335U comes out ahead with a score of 7.9/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core i3-1315U or Core i5-1335U?
For gaming, the Core i5-1335U leads with a gaming performance score of 60/100 among Intel Core i3-1315U and Core i5-1335U.
Do Intel Core i3-1315U and Core i5-1335U use the same socket?
No. They use different sockets (Intel Core i3-1315U: BGA 1744, Core i5-1335U: Intel BGA 1744), so each needs a compatible motherboard.
Which has more cores?
The Core i5-1335U has the most cores. Core counts: Intel Core i3-1315U (6 cores), Core i5-1335U (10 cores).
Which is faster in multi-core benchmarks?
The Core i5-1335U posts the highest multi-core benchmark score. Multi-core results: Core i5-1335U (9,300). Benchmark figures are approximate and workload-dependent.