CPU Comparison
Intel Core i7-1250U vs Intel Core Ultra 5 134U
A side-by-side comparison of specs, performance and value. The Intel Core i7-1250U is an ultra-low power 9W mobile processor designed for fanless thin-and-light laptops and tablets, featuring a 10-core hybrid architecture.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Snappy for everyday office tasks and web browsing, but struggles under sustained heavy multi-threaded loads.
Adequate for basic office tasks, but will slow down under heavy multitasking or large file processing.
Gaming
Severely limited by the 9W TDP and potential thermal throttling in fanless designs. Only suitable for very light 2D games.
Not suitable for modern gaming. Can handle 2D indie games and very old titles.
Virtualization
Not recommended for virtual machines due to low core count and strict power limits.
Not recommended for virtualization due to the 9W power limit and low base clocks.
Efficiency
Exceptional efficiency, offering some of the best battery life figures in the 12th Gen lineup.
Industry-leading efficiency. Can achieve multiple days of battery life in tablet form factors.
Specialized Performance
AI / ML
- Low power limits restrict AI inference capabilities
- No dedicated NPU
- 11 TOPS NPU handles basic background AI efficiently
- Does not meet Copilot+ PC requirements
- NPU prioritized for battery saving over performance
Content Creation
Gaming
- 9W TDP heavily restricts GPU boost duration
- Only playable for older or 2D indie games
- Not suitable for modern 3D gaming
- 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
- Extremely low 9W base power consumption
- Excellent for fanless and silent designs
- Supports fast LPDDR5 memory
- Decent single-core burst performance
- Strong integrated graphics for its power class
Cons
- Severely limited multi-core performance
- Low PL2 ceiling (29W) limits burst duration
- Only 2 P-cores for heavy threads
- Uses BGA 1781 socket, fully soldered
- Not suitable for heavy workloads
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
Intel Core i7-1250U
- Compare head-to-headApple M2Rival
Mobile
- AMD Ryzen 7 6800URival
Mobile
- Qualcomm Snapdragon 8cx Gen 3Rival
Mobile
- Compare head-to-headApple M1Rival
Mobile
- AMD Ryzen 5 6600URival
Mobile
Offers a higher 15W TDP for better sustained performance in slightly thicker laptops.
Compare head-to-head- Intel Core i5-1230UAlt
A cheaper alternative with similar 9W efficiency and slightly lower clocks.
Another 9W option with similar specs for ultra-portables.
Compare head-to-head- AMD Ryzen 5 7640UAlt
Excellent efficiency with better integrated graphics.
- Apple M2 MacBook AirAlt
Superior performance-per-watt in a fanless design.
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 highly efficient 9W chip that brings desktop-class hybrid architecture to the thinnest form factors, though multi-core performance is limited by power constraints.
Best for: Buying an ultra-thin tablet or fanless laptop where battery life is the absolute top priority.
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 faster for gaming, Intel Core i7-1250U or Intel Core Ultra 5 134U?
For gaming, the Intel Core i7-1250U leads with a gaming performance score of 55/100 among Intel Core i7-1250U and Intel Core Ultra 5 134U.
Which uses less power?
The Intel Core Ultra 5 134U has the lowest rated TDP. Power draw across these chips: Intel Core i7-1250U (29 W), Intel Core Ultra 5 134U (9 W).
Do Intel Core i7-1250U and Intel Core Ultra 5 134U use the same socket?
No. They use different sockets (Intel Core i7-1250U: Intel BGA 1781, 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: Intel Core i7-1250U (10 cores), Intel Core Ultra 5 134U (12 cores).