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.

Top pick
Intel · Core Ultra 5
Intel Core Ultra 5 135U
12C / 14T4.4 GHz15 W
8.5
Full review
Intel · Core Ultra 5
Intel Core Ultra 5 135UL
12C / 14T4.4 GHz15 W
8.2
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Desktop
Segment
Mobile
Desktop
Generation
Ultra 5 (Meteor Lake)
Ultra 5 (Meteor Lake-PS)
Launched
2023
2024
Status
Active
Active
Codename
Meteor Lake
Meteor Lake-PS
Series
Core Ultra 5
Core Ultra 5
Family
Meteor Lake
Meteor Lake-PS
Predecessor
Intel Core i5-1335U
Intel Core i5-14400T
Successor
Pending
Pending

Specifications Compared

Cores & Clocks
Cores
12
12
Threads
14
14
Base Clock
1.6 GHz
1.6 GHz
Boost Clock
4.4 GHz
4.4 GHz
Cache & Power
L3 Cache
12 MB
12 MB
TDP
15 W
15 W
Architecture
Architecture
Meteor Lake
Meteor Lake-PS
Process Node
7 nm (Intel 4 Compute Tile)
7 nm (Intel 4 Compute Tile)
Memory
Memory Type
DDR5 / LPDDR5X
DDR5
Memory Speed
DDR5-5600 / LPDDR5X-7467
DDR5-5600
Memory Channels
Dual (2)
Dual (2)
Max Memory
96 GB
96 GB
Platform & I/O
Socket
Intel BGA 2049
Intel Socket 1851
PCIe Version
PCIe 4.0
PCIe 4.0
PCIe Lanes
12
8
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core Ultra 5 135UBest85

Snappy application launching and smooth multitasking for office workloads.

Intel Core Ultra 5 135UL78

Snappy office performance due to higher turbo clocks.

Gaming

Intel Core Ultra 5 135UBest75

Capable of running esports titles and older games at 1080p medium settings.

Intel Core Ultra 5 135UL45

Not intended for 3D gaming.

Virtualization

Intel Core Ultra 5 135UBest70

Can handle light virtualization tasks, though limited by core count.

Intel Core Ultra 5 135UL65

Capable of light server duties but limited by power.

Efficiency

Intel Core Ultra 5 135U95

Exceptional power efficiency thanks to LP E-Cores and disaggregated tiles.

Intel Core Ultra 5 135ULBest99

Exceptional power-to-performance ratio for edge computing.

Specialized Performance

AI / ML

Intel Core Ultra 5 135UGood
  • 11 TOPS NPU for background AI tasks
  • Supports OpenVINO
  • Reduces CPU/GPU load during video calls
Intel Core Ultra 5 135ULGood
  • NPU ideal for smart retail
  • 11 TOPS for vision models
  • Low power AI processing

Content Creation

Intel Core Ultra 5 135UGood
Adobe PhotoshopLightroomPremiere Pro (1080p)OBS Streaming
Intel Core Ultra 5 135ULFair
Media PlaybackBasic Photo Editing

Gaming

Intel Core Ultra 5 135UModerate
  • Arc Xe-LPG 64EU handles older titles well
  • Supports hardware ray tracing
  • Not suitable for AAA gaming at high settings
Intel Core Ultra 5 135ULLow
  • 64EU graphics is enough for display out
  • Not for gaming
  • Good hardware media decode

Industry Impact

Gaming
Low
None
Workstations
Low
Low
Content Creation
Moderate
Low
Virtualization
Moderate
Moderate

Best CPU by Use Case

Office Productivity
Excellent
Web Browsing
Excellent
1080p Video Playback
Excellent
Casual Gaming
Good
Photo Editing
Good
Digital Signage
Excellent
Office PC
Excellent
Edge AI Node
Excellent
Home Server
Very Good
Gaming
Poor

Target Audience

Gamers
Content Creators
Targeted
Developers
Targeted
Targeted
Workstation Users
Streamers
Office / Productivity
Targeted
Targeted
Students
Targeted
Targeted

Strengths & Weaknesses

Intel Core Ultra 5 135U

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)
Intel Core Ultra 5 135UL

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 8640U

    Mobile

    Rival
  • AMD Ryzen 7 7840U

    Mobile

    Rival
  • Intel Core Ultra 7 155U

    Mobile

    Rival
  • Qualcomm Snapdragon X Elite

    Mobile

    Rival
  • Apple M3

    Mobile

    Rival
    Compare head-to-head
  • Slightly lower clocks for better battery life.

    Compare head-to-head
  • AMD Ryzen 5 7640U
    Alt

    Strong competitor with RDNA 3 graphics.

  • Intel Core i5-1340P
    Alt

    Older architecture but higher base wattage.

  • AMD Ryzen 7 8840U
    Alt

    Better dedicated AI engine performance.

Intel Core Ultra 5 135UL

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 review

A 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 review

Frequently 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.