CPU Comparison
Intel Core Ultra 5 135U vs Intel Core Ultra 5 135UL
A side-by-side comparison of specs, performance and value. The Intel Core Ultra 5 135U is a highly efficient mobile processor designed for thin-and-light laptops, leveraging the innovative Meteor Lake architecture. It features a unique hybrid design comprising 2 Performance cores (Redwood Cove), 8 Efficient cores (Crestmont), and 2 Low-Power Efficient cores, totaling 12 cores and 14 threads. This configuration excels at balancing bursty workloads with background tasks, ensuring excellent battery life. Operating at a base frequency of 1.6 GHz and boosting up to 4.4 GHz, it delivers responsive everyday performance. The integrated Arc Xe-LPG graphics with 64 Execution Units provide capable rendering for casual gaming and hardware-accelerated media. Furthermore, the dedicated NPU offering 11 TOPS enables efficient AI processing, offloading tasks from the CPU and GPU to extend battery life further during AI-enhanced workloads.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Snappy application launching and smooth multitasking for office workloads.
Snappy office performance due to higher turbo clocks.
Gaming
Capable of running esports titles and older games at 1080p medium settings.
Not intended for 3D gaming.
Virtualization
Can handle light virtualization tasks, though limited by core count.
Capable of light server duties but limited by power.
Efficiency
Exceptional power efficiency thanks to LP E-Cores and disaggregated tiles.
Exceptional power-to-performance ratio for edge computing.
Specialized Performance
AI / ML
- 11 TOPS NPU for background AI tasks
- Supports OpenVINO
- Reduces CPU/GPU load during video calls
- NPU ideal for smart retail
- 11 TOPS for vision models
- Low power AI processing
Content Creation
Gaming
- Arc Xe-LPG 64EU handles older titles well
- Supports hardware ray tracing
- Not suitable for AAA gaming at high settings
- 64EU graphics is enough for display out
- Not for gaming
- Good hardware media decode
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent power efficiency
- Integrated NPU for AI tasks
- Improved Arc Xe-LPG graphics
- LP E-Cores extend standby time
- Supports fast LPDDR5X memory
Cons
- Limited PCIe lanes (12)
- No PCIe Gen 5 support on this model
- Multiplier is locked
- Soldered to motherboard (BGA)
Pros
- Excellent low-power operation
- Higher turbo clocks than 125UL
- Integrated NPU for AI
- Socketed LGA 1851 design
- Good for silent PC builds
Cons
- Not for gaming
- Limited PCIe lanes
- Locked multiplier
- Low base clock speeds
Competitors & Alternatives
Intel Core Ultra 5 135U
- AMD Ryzen 5 8640URival
Mobile
- AMD Ryzen 7 7840URival
Mobile
- Intel Core Ultra 7 155URival
Mobile
- Qualcomm Snapdragon X EliteRival
Mobile
- Compare head-to-headApple M3Rival
Mobile
Slightly lower clocks for better battery life.
Compare head-to-head- AMD Ryzen 5 7640UAlt
Strong competitor with RDNA 3 graphics.
- Intel Core i5-1340PAlt
Older architecture but higher base wattage.
- AMD Ryzen 7 8840UAlt
Better dedicated AI engine performance.
Intel Core Ultra 5 135UL
- AMD Ryzen 5 8640URival
Mobile/Embedded
- AMD Ryzen 5 8600GERival
Desktop
- Compare head-to-headIntel Core Ultra 5 125ULRival
Desktop
- Compare head-to-headIntel Core i5-14400TRival
Desktop
- AMD Ryzen 5 PRO 7640URival
Mobile/Embedded
- AMD Ryzen 5 5600GEAlt
Proven AM4 mini-PC option.
- Intel Core Ultra 7 165ULAlt
More cores for heavier edge workloads.
Our Verdict on Each
A well-balanced thin-and-light processor offering excellent battery life, capable integrated graphics, and forward-looking NPU technology.
Best for: The Core Ultra 5 135U is an excellent choice for users prioritizing portability and battery life without sacrificing everyday responsiveness. If you are in the market for a thin-and-light laptop for productivity, web browsing, and media consumption, this processor offers a compelling balance. The inclusion of an NPU ensures future-proofing for upcoming Windows AI features. However, if your workflow involves heavy sustained multi-threaded rendering or high-end gaming, you should look for laptops equipped with higher-wattage H-series processors or dedicated GPUs. For the everyday professional and student, the 135U provides more than enough performance while ensuring all-day battery life.
Read the full reviewA strong low-power desktop CPU offering slightly better burst performance than the 125UL, ideal for SFF and edge AI.
Best for: The Core Ultra 5 135UL is an excellent processor for niche desktop applications requiring low power consumption and integrated AI capabilities. If you are constructing a small form factor PC for a home theater, a network appliance, or a lightweight office machine that runs 24/7, the 135UL provides a perfect balance of adequate performance and minimal heat output. The slight clock speed increase over the 125UL makes it better suited for occasional heavier tasks like photo organization or local AI testing. However, for mainstream gaming or heavy content creation, this processor will bottleneck performance. Choose the 135UL only if your primary goals are silence, continuous operation, and edge AI functionality rather than raw desktop performance or gaming frame rates.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core Ultra 5 135U or Intel Core Ultra 5 135UL?
Based on our editorial ratings, the Intel Core Ultra 5 135U comes out ahead with a score of 8.5/10. 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 Ultra 5 135U or Intel Core Ultra 5 135UL?
For gaming, the Intel Core Ultra 5 135U leads with a gaming performance score of 75/100 among Intel Core Ultra 5 135U and Intel Core Ultra 5 135UL.
Do Intel Core Ultra 5 135U and Intel Core Ultra 5 135UL use the same socket?
No. They use different sockets (Intel Core Ultra 5 135U: Intel BGA 2049, Intel Core Ultra 5 135UL: Intel Socket 1851), so each needs a compatible motherboard.