CPU Comparison
Intel Core i3-1305U vs Core i5-1335U
A side-by-side comparison of specs, performance and value. The Intel Core i3-1305U is a 5-core (1P+4E), 6-thread mobile processor with UHD Graphics 64EU, designed for thin-and-light laptops requiring basic computing capability with extended battery life.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles basic office work, web browsing, and document editing without issues. Multi-tab browsing with many heavy sites may show some sluggishness.
Smooth performance for everyday office tasks and multitasking.
Gaming
Not designed for gaming. The UHD 64EU can handle very light casual games at low resolutions but anything beyond that will struggle significantly.
Suitable only for e-sports and older games at reduced settings.
Virtualization
With only 6 threads, virtualization is impractical for anything beyond the simplest test VMs.
Basic VM support, but constrained by core count and memory bandwidth.
Efficiency
15W base power with 12W minimum makes this highly efficient for battery-powered laptops, enabling all-day battery life in well-designed chassis.
Exceptional efficiency, ensuring long battery life for on-the-go use.
Specialized Performance
AI / ML
- No dedicated AI acceleration hardware
- Single P-core severely limits CPU inference
- Not suitable for any meaningful AI workload
- No dedicated AI hardware
- Relies on CPU/GPU for AI tasks
Content Creation
Gaming
- Not designed for gaming workloads
- UHD 64EU is insufficient for modern 3D games
- Single P-core limits CPU-side game performance
- Suitable only for 2D and casual browser games
- 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
- Very low 15W power consumption for long battery life
- Supports four memory types for OEM flexibility
- Hardware video decoding for efficient media playback
- Compact BGA 1744 package enables thin laptop designs
- Low cost enables affordable laptop pricing
Cons
- Only 1 P-core severely limits single-threaded burst duration
- Only 6 total threads are below modern expectations
- No Hyper-Threading on E-cores
- 10MB L3 cache is smaller than other Raptor Lake-U parts
- PCIe limited to Gen 4 with only 8 CPU lanes
- Not suitable for anything beyond basic computing tasks
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 i3-1305U
- AMD Ryzen 3 7320URival
Budget Mobile
- AMD Ryzen 5 7520URival
Budget Mobile
- Apple M2 (base)Rival
Premium Mobile
- Compare head-to-headIntel Core i3-1315URival
Budget Mobile
- AMD Athlon Gold 7220URival
Entry Mobile
- Intel Core i5-1335UAlt
2P+8E configuration offers dramatically better multi-threaded performance if budget allows.
- AMD Ryzen 5 7530UAlt
6 cores and 12 threads provide much better long-term usability.
Previous generation with similar 2P+4E configuration may offer better value if priced lower.
Compare head-to-head
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
An entry-level mobile chip that prioritizes power efficiency over performance. The unusual 1P+4E configuration makes it adequate for basic tasks but limits its capability for anything beyond everyday computing.
Best for: Only if found in a very inexpensive laptop for strictly basic use cases like web browsing and document editing.
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 i3-1305U 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 i3-1305U or Core i5-1335U?
For gaming, the Core i5-1335U leads with a gaming performance score of 60/100 among Intel Core i3-1305U and Core i5-1335U.
Do Intel Core i3-1305U and Core i5-1335U use the same socket?
No. They use different sockets (Intel Core i3-1305U: 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 i3-1305U (5 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.