CPU Comparison
Core i5-1334U vs Intel Core Ultra 5 134U
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.
Adequate for basic office tasks, but will slow down under heavy multitasking or large file processing.
Gaming
Iris Xe can handle very light e-sports at low settings, but not ideal for gaming.
Not suitable for modern gaming. Can handle 2D indie games and very old titles.
Virtualization
12 threads handle basic VMs but lack sustained power.
Not recommended for virtualization due to the 9W power limit and low base clocks.
Efficiency
15W TDP ensures excellent battery life in thin-and-lights.
Industry-leading efficiency. Can achieve multiple days of battery life in tablet form factors.
Specialized Performance
AI / ML
- No NPU; relies on CPU/GPU for AI tasks.
- 11 TOPS NPU handles basic background AI efficiently
- Does not meet Copilot+ PC requirements
- NPU prioritized for battery saving over performance
Content Creation
Gaming
- Not intended for AAA gaming.
- Can run 2D or older games at low resolutions.
- Only suitable for 2D or casual mobile games
- Graphics throttle quickly due to 9W limit
- Not designed for 3D gaming
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
- Extremely low 9W power consumption
- Enables fanless, silent designs
- Excellent for media consumption
- Multi-day battery life potential
- Surprisingly capable 12-core burst performance
Cons
- Very low base clock of 700 MHz
- Throttles quickly under sustained load
- Not suitable for productivity power users
- Limited to LPDDR5x memory
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 134U
- AMD Ryzen 3 8440URival
Mobile
- Compare head-to-headApple M2Rival
Mobile
- Qualcomm Snapdragon X EliteRival
Mobile
- Compare head-to-headIntel Core Ultra 5 125URival
Mobile
- MediaTek Kompanio 1380Rival
Mobile
- Core Ultra 5 125UAlt
A slightly more powerful alternative if you need a bit more headroom for multitasking.
- Snapdragon X EliteAlt
A powerful ARM-based alternative offering excellent battery life.
- AMD Ryzen 5 8640UAlt
A competitive x86 alternative in the thin-and-light segment.
- Intel Core i5-1334UAlt
A 13th Gen alternative if you want traditional Intel architecture without the chiplet design.
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 reviewAn impressive ultra-low-power chip that enables true fanless designs and multi-day battery life, though its raw performance is strictly limited to basic tasks.
Best for: Ultra-thin Windows tablets or fanless 2-in-1 laptops
Read the full reviewFrequently Asked Questions
Which is better, Core i5-1334U or Intel Core Ultra 5 134U?
Based on our editorial ratings, the Intel Core Ultra 5 134U comes out ahead with a score of 7.8/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which uses less power?
The Intel Core Ultra 5 134U has the lowest rated TDP. Power draw across these chips: Core i5-1334U (15 W), Intel Core Ultra 5 134U (9 W).
Do Core i5-1334U and Intel Core Ultra 5 134U use the same socket?
No. They use different sockets (Core i5-1334U: Intel BGA 1744, Intel Core Ultra 5 134U: Intel BGA 2551), so each needs a compatible motherboard.
Which has more cores?
The Intel Core Ultra 5 134U has the most cores. Core counts: Core i5-1334U (10 cores), Intel Core Ultra 5 134U (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 134U (0). Benchmark figures are approximate and workload-dependent.