CPU Comparison

Intel Core Ultra 5 125HL vs Intel Core Ultra 5 135UL

A side-by-side comparison of specs, performance and value. The Intel Core Ultra 5 125HL is a 14-core desktop processor built on the Meteor Lake-PS architecture, featuring a hybrid design, integrated Arc Xe-LPG graphics, and an NPU for AI workloads.

Intel · Core Ultra 5
Intel Core Ultra 5 125HL
14C / 18T4.5 GHz45 W
7.8
Full review
Top pick
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
Desktop
Desktop
Segment
Desktop
Desktop
Generation
Core Ultra 5 (Meteor Lake-PS)
Ultra 5 (Meteor Lake-PS)
Launched
2024
2024
Status
Active
Active
Codename
Meteor Lake-PS
Meteor Lake-PS
Series
Core Ultra 5
Core Ultra 5
Family
Meteor Lake-PS
Meteor Lake-PS
Predecessor
Intel Core i5-13400
Intel Core i5-14400T
Successor
Upcoming Arrow Lake-S
Pending

Specifications Compared

Cores & Clocks
Cores
14
12
Threads
18
14
Base Clock
1.2 GHz
1.6 GHz
Boost Clock
4.5 GHz
4.4 GHz
Cache & Power
L3 Cache
18 MB
12 MB
TDP
45 W
15 W
Architecture
Architecture
Meteor Lake-PS
Meteor Lake-PS
Process Node
Intel 7nm (TSMC N6/N5 tiles)
7 nm (Intel 4 Compute Tile)
Memory
Memory Type
DDR5
DDR5
Memory Speed
5600 MT/s
DDR5-5600
Memory Channels
Dual (2)
Dual (2)
Max Memory
192 GB
96 GB
Platform & I/O
Socket
Intel Socket 1851
Intel Socket 1851
PCIe Version
PCIe 4.0
PCIe 4.0
PCIe Lanes
8
8
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core Ultra 5 125HLBest82

Strong single-threaded performance handles everyday applications smoothly.

Intel Core Ultra 5 135UL78

Snappy office performance due to higher turbo clocks.

Gaming

Intel Core Ultra 5 125HLBest60

Capable of running e-sports and older titles at 1080p, but struggles with modern AAA games without a discrete GPU.

Intel Core Ultra 5 135UL45

Not intended for 3D gaming.

Virtualization

Intel Core Ultra 5 125HLBest75

Adequate for light virtualization, though limited to 8 CPU PCIe lanes.

Intel Core Ultra 5 135UL65

Capable of light server duties but limited by power.

Efficiency

Intel Core Ultra 5 125HL90

Excellent power efficiency due to the LP E-Cores and advanced process nodes.

Intel Core Ultra 5 135ULBest99

Exceptional power-to-performance ratio for edge computing.

Specialized Performance

AI / ML

Intel Core Ultra 5 125HLGood
  • 11 TOPS NPU for background AI tasks
  • Arc Xe-LPG handles larger AI bursts
  • Supports DLBoost 3.0 and AI Boost NPU 3
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 125HLGood
Adobe PhotoshopLightroomDaVinci Resolve (Basic)OBS Studio
Intel Core Ultra 5 135ULFair
Media PlaybackBasic Photo Editing

Gaming

Intel Core Ultra 5 125HLFair
  • Integrated Arc Xe-LPG 112EU handles light gaming
  • Not recommended for high-refresh-rate AAA gaming without a discrete GPU
  • Limited CPU PCIe lanes may bottleneck high-end discrete GPUs
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
Moderate
Low
Content Creation
Moderate
Low
Virtualization
Moderate
Moderate

Best CPU by Use Case

Office Productivity
Excellent
AI Inference
Good
Light 3D Rendering
Fair
Casual Gaming
Fair
Software Development
Very 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 125HL

Pros

  • Excellent power efficiency
  • Integrated NPU for AI workloads
  • Capable Arc Xe-LPG integrated graphics
  • Supports modern DDR5-5600 memory
  • Hybrid architecture handles multitasking well

Cons

  • Locked multiplier
  • Only 8 CPU PCIe 4.0 lanes
  • Relatively low base clock speed
  • Not ideal for heavy gaming without a dGPU
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 125HL

Intel Core Ultra 5 135UL

Our Verdict on Each

A balanced entry-level Meteor Lake desktop CPU offering solid efficiency and AI capabilities, though not ideal for heavy gaming or extreme multi-threaded workloads.

Best for: Building a compact, efficient desktop for office work and AI-assisted applications.

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 125HL or Intel Core Ultra 5 135UL?

Based on our editorial ratings, the Intel Core Ultra 5 135UL comes out ahead with a score of 8.2/10. 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 125HL or Intel Core Ultra 5 135UL?

For gaming, the Intel Core Ultra 5 125HL leads with a gaming performance score of 60/100 among Intel Core Ultra 5 125HL and Intel Core Ultra 5 135UL.

Which uses less power?

The Intel Core Ultra 5 135UL has the lowest rated TDP. Power draw across these chips: Intel Core Ultra 5 125HL (45 W), Intel Core Ultra 5 135UL (15 W).

Do Intel Core Ultra 5 125HL and Intel Core Ultra 5 135UL use the same socket?

Yes — all of these CPUs use the Intel Socket 1851 socket, so they share compatible motherboards.

Which has more cores?

The Intel Core Ultra 5 125HL has the most cores. Core counts: Intel Core Ultra 5 125HL (14 cores), Intel Core Ultra 5 135UL (12 cores).

Which is faster in multi-core benchmarks?

The Intel Core Ultra 5 125HL posts the highest multi-core benchmark score. Multi-core results: Intel Core Ultra 5 125HL (8,400). Benchmark figures are approximate and workload-dependent.