CPU Comparison
Core i5-1334U vs Intel Core Ultra 5 125U
A side-by-side comparison of specs, performance and value. The Intel Core i5-1334U is a low-power mobile processor designed for everyday ultrabooks and thin-and-light laptops. Part of the Raptor Lake-U family, it features 10 cores (2 Performance + 8 Efficient) and 12 threads. Operating at a 15W base TDP, it prioritizes battery life and thermals. With a max turbo of 4.6 GHz and 12MB of L3 cache, it delivers snappy performance for daily tasks, web browsing, and office applications. The integrated Iris Xe Graphics with 80 Execution Units provides capable display handling and light media consumption. Released in early 2023, the 1334U targets students and professionals who need long battery life and basic productivity capability in a highly portable, fanless or single-fan chassis.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Great for standard office suites and web apps.
Handles everyday office tasks and multitasking smoothly without overheating.
Gaming
Iris Xe can handle very light e-sports at low settings, but not ideal for gaming.
Only suitable for very light or older games. Not recommended for modern AAA gaming.
Virtualization
12 threads handle basic VMs but lack sustained power.
Can run basic VMs, but the 2 P-cores limit heavy virtualization performance.
Efficiency
15W TDP ensures excellent battery life in thin-and-lights.
Excellent efficiency with a 15W TDP, ensuring long battery life for ultraportables.
Specialized Performance
AI / ML
- No NPU; relies on CPU/GPU for AI tasks.
- 11 TOPS NPU is suitable for background blur and noise cancellation
- Does not meet Copilot+ PC requirements
- Handles lightweight inference tasks
Content Creation
Gaming
- Not intended for AAA gaming.
- Can run 2D or older games at low resolutions.
- 64 EU graphics are adequate for 2D and indie games
- Can run older AAA titles at 720p low settings
- Not designed for gaming enthusiasts
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent battery life
- 10 cores handle multitasking well
- Iris Xe 80EU graphics are capable for an iGPU
- Runs cool in thin chassis
Cons
- Only 2 P-cores limit heavy multi-threading
- Lacks PCIe 5.0 support
- Locked multiplier
- Low base clock
Pros
- Excellent 15W power efficiency
- Good multitasking for everyday apps
- Quiet and cool operation
- Includes 2 LP E-cores for background tasks
- Hardware media acceleration
Cons
- Limited to 2 P-cores for heavy lifting
- Only 64 EU graphics
- 11 TOPS NPU is relatively weak
- No PCIe 5.0 support
Competitors & Alternatives
Core i5-1334U
- AMD Ryzen 5 7530URival
Mobile
- AMD Ryzen 3 7330URival
Mobile
- Compare head-to-headIntel Core i7-1255URival
Mobile
- Compare head-to-headApple M1Rival
Mobile
- Qualcomm Snapdragon 7c Gen 2Rival
Mobile
Very similar performance, often used interchangeably by OEMs.
Compare head-to-head- Ryzen 5 7530UAlt
Strong competitor with good battery life.
- Core i5-1235UAlt
Older gen but similar performance, often cheaper.
- Core i3-1305UAlt
Cheaper if you only need basic office work.
Intel Core Ultra 5 125U
- AMD Ryzen 5 8640URival
Mobile
- AMD Ryzen 7 8840URival
Mobile
- Intel Core Ultra 7 155URival
Mobile
- Qualcomm Snapdragon X PlusRival
Mobile
- Compare head-to-headApple M2Rival
Mobile
- Core Ultra 5 125HAlt
A better alternative if you need more CPU and graphics performance.
An even more power-efficient option for ultra-thin laptops.
Compare head-to-head- Snapdragon X PlusAlt
An ARM-based alternative offering exceptional battery life.
Our Verdict on Each
A solid 15W CPU that balances 10-core multitasking with excellent battery life, ideal for standard productivity and portability.
Best for: Ultraportable laptops for students and office workers.
Read the full reviewA solid, efficient processor for everyday ultrabooks, offering good multitasking capabilities and decent battery life, though its NPU is modest.
Best for: Everyday ultrabook for office work and student use
Read the full reviewFrequently Asked Questions
Which is better, Core i5-1334U or Intel Core Ultra 5 125U?
Based on our editorial ratings, the Intel Core Ultra 5 125U 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, Core i5-1334U or Intel Core Ultra 5 125U?
For gaming, the Intel Core Ultra 5 125U leads with a gaming performance score of 55/100 among Core i5-1334U and Intel Core Ultra 5 125U.
Do Core i5-1334U and Intel Core Ultra 5 125U use the same socket?
No. They use different sockets (Core i5-1334U: Intel BGA 1744, Intel Core Ultra 5 125U: Intel BGA 2049), so each needs a compatible motherboard.
Which has more cores?
The Intel Core Ultra 5 125U has the most cores. Core counts: Core i5-1334U (10 cores), Intel Core Ultra 5 125U (12 cores).
Which is faster in multi-core benchmarks?
The Core i5-1334U posts the highest multi-core benchmark score. Multi-core results: Core i5-1334U (9,500), Intel Core Ultra 5 125U (0). Benchmark figures are approximate and workload-dependent.