CPU Comparison
Core i5-1235U (IPU) vs Core i5-1245U
A side-by-side comparison of specs, performance and value. The Intel Core i5-1235U is a mobile processor that represents a fascinating blend of performance and efficiency, tailored for thin-and-light laptops and specialized business environments. Launched in early 2022, it utilizes Intel's Alder Lake-U architecture, bringing a hybrid design to the mobile space. What sets this specific SKU apart is the inclusion of an Infrastructure Processing Unit (IPU), designed to offload infrastructure tasks like networking and security from the main CPU. With 10 total cores—comprising 2 Performance cores and 8 Efficient cores—and 12 processing threads, it handles multitasking with surprising agility. The chip operates at a base frequency of 1300 MHz on its P-cores and can boost up to 4.4 GHz under load. Its 15W default TDP makes it ideal for portable devices, ensuring long battery life while maintaining the processing grunt needed for modern office workloads and background data management.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Snappy performance in office applications and heavy multitasking.
Excellent for office apps, heavy browsing, and light coding.
Gaming
Capable of light gaming via Iris Xe 80EU, but not designed for AAA titles.
Good for casual and older titles at 1080p low settings.
Virtualization
Excellent VM performance due to the dedicated IPU offloading network overhead.
Can handle light VMs, but memory bandwidth is a limit.
Efficiency
Outstanding power-to-performance ratio for all-day battery life.
Dynamic power management ensures excellent battery life.
Specialized Performance
AI / ML
- GNA 3.0 provides AI acceleration for audio and background blur
- Intel GNA 3.0 for background AI tasks
Content Creation
Gaming
- Iris Xe 80EU handles eSports titles well
- Not suitable for modern AAA gaming without low settings
- Can run eSports titles at 60fps
- Shares system memory, so RAM speed affects FPS
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Includes an Infrastructure Processing Unit (IPU)
- Excellent hybrid core efficiency (2P + 8E)
- Supports modern DDR5 memory
- 20 PCIe 4.0 lanes
- Great battery life potential
Cons
- Overkill for standard home users
- Integrated graphics not for heavy gaming
- Soldered to motherboard (BGA)
- Locked multiplier
Pros
- Excellent balance of performance and 15W power draw
- 10 cores for heavy multitasking
- Supports fast DDR5 memory
- Strong single-core performance for an ultrabook chip
- Good integrated graphics
Cons
- Not suitable for heavy gaming
- Locked multiplier
- Soldered to motherboard
- Can run warm under sustained all-core loads
Competitors & Alternatives
Core i5-1235U (IPU)
- AMD Ryzen 5 5600URival
Mobile
- AMD Ryzen 7 5800URival
Mobile
- Compare head-to-headIntel Core i7-1255URival
Mobile
- Intel Core i5-1245URival
Mobile
- Compare head-to-headApple M1Rival
Mobile
More P-cores for better sustained performance.
Compare head-to-headBetter integrated graphics and clock speeds.
Compare head-to-head- AMD Ryzen 5 5625UAlt
Refreshed Zen 3 architecture with solid efficiency.
- Intel Core i5-1230UAlt
Lower TDP variant for fanless designs.
Budget-friendly alternative for basic office work.
Compare head-to-head
Core i5-1245U
- AMD Ryzen 5 5625URival
Mobile
- AMD Ryzen 7 5825URival
Mobile
- Compare head-to-headIntel Core i7-1255URival
Mobile
- Compare head-to-headIntel Core i5-1235URival
Mobile
- Compare head-to-headApple M1Rival
Mobile
Better graphics and slightly higher clocks for premium ultrabooks.
Compare head-to-headMore P-cores for better sustained performance.
Compare head-to-head- Intel Core i5-1230UAlt
Lower TDP variant for ultimate portability.
Budget alternative for basic office tasks.
Compare head-to-head
Our Verdict on Each
A unique Alder Lake chip that combines excellent efficiency with an IPU for specialized enterprise workloads.
Best for: Enterprise thin-and-light laptops
Read the full reviewA highly efficient U-series processor that hits the sweet spot for everyday productivity and portable computing.
Best for: Mainstream thin-and-light laptops
Read the full reviewFrequently Asked Questions
Which is better, Core i5-1235U (IPU) or Core i5-1245U?
Based on our editorial ratings, the Core i5-1245U comes out ahead with a score of 8.6/10. 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 i5-1235U (IPU) or Core i5-1245U?
For gaming, the Core i5-1245U leads with a gaming performance score of 62/100 among Core i5-1235U (IPU) and Core i5-1245U.
Do Core i5-1235U (IPU) and Core i5-1245U use the same socket?
Yes — all of these CPUs use the Intel BGA 1744 socket, so they share compatible motherboards.