CPU Comparison
Core i5-1230U vs Intel Core i5-1235U
A side-by-side comparison of specs, performance and value. The Intel Core i5-1230U is an ultra-low power mobile processor crafted for the thinnest and lightest laptops, as well as fanless designs. Released in February 2022 as part of the Alder Lake-U family, it features a 9W base TDP, significantly lower than the standard 15W U-series chips. Despite its power-efficient design, it retains the 10-core, 12-thread hybrid architecture, combining 2 Performance-cores and 8 Efficient-cores. This allows it to deliver surprising burst performance for everyday tasks while sipping power during idle or light usage. The P-cores start at a modest 1.0 GHz base clock but can boost up to 4.4 GHz when needed. With Intel Iris Xe 80EU graphics, it handles 4K media playback and casual gaming competently. The i5-1230U is the perfect candidate for users who prioritize extreme battery life and portability above all else.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Good for everyday tasks, but sustained workloads will cause throttling.
Handles office tasks and heavy browser tabs effortlessly.
Gaming
Limited by power constraints; only suitable for 2D or light eSports games.
Only suitable for very light or older 2D games.
Virtualization
Power limits restrict heavy VM usage.
Can run a light VM, but core count is low for heavy dev work.
Efficiency
Top-tier efficiency, offering incredible battery life.
Top-tier efficiency, allowing for all-day battery life in ultrabooks.
Specialized Performance
AI / ML
- GNA 3.0 handles background blur and noise cancellation efficiently
- Handles background blur and basic audio enhancement.
- Not suited for AI development or inference.
Content Creation
Gaming
- Power-limited graphics performance
- Suitable for Minecraft or old titles
- Iris Xe 80EU is sufficient for hardware video decoding.
- Not recommended for 3D gaming.
- Can handle Minecraft or CS:GO at low settings.
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Incredible 9W power efficiency
- Fanless design capability
- 10 hybrid cores for smooth OS operation
- Can still boost to 4.4 GHz for quick tasks
- Supports modern I/O like PCIe 4.0
Cons
- Low sustained performance due to power limits
- Throttles quickly under heavy load
- Not for gaming or content creation
- Soldered and non-upgradable
Pros
- Excellent power efficiency (15W base TDP)
- 10 cores provide great multitasking
- Supports fast LPDDR5 memory
- Good single-core burst performance
- Hardware AV1 decoding
Cons
- Only 2 P-cores limit heavy workloads
- Basic integrated graphics
- Locked multiplier
- Soldered to the motherboard
Competitors & Alternatives
Core i5-1230U
- AMD Ryzen 5 5420URival
Mobile
- Compare head-to-headIntel Core i5-1235URival
Mobile
- Compare head-to-headIntel Core i3-1210URival
Mobile
- Compare head-to-headApple M1Rival
Mobile
- AMD Ryzen 3 5425URival
Mobile
Better graphics and clocks within the same 9W envelope.
Compare head-to-head- Intel Core i5-1245UAlt
Standard U-series chip if you don't need a fanless design.
Intel Core i5-1235U
- AMD Ryzen 5 5625URival
Mobile
- AMD Ryzen 7 5825URival
Mobile
- Compare head-to-headIntel Core i7-1255URival
Mobile
- Compare head-to-headApple M2Rival
Mobile
- Qualcomm Snapdragon 8cx Gen 3Rival
Mobile
Even lower power (9W) for longer battery life in thinner designs.
Compare head-to-headBetter sustained performance if you need more multi-core power.
Compare head-to-head- AMD Ryzen 5 6600UAlt
Better integrated graphics for light gaming.
- Alt
Superior efficiency and battery life in the Apple ecosystem.
Compare head-to-head
Our Verdict on Each
An incredibly efficient 10-core processor that brings real multitasking capabilities to 9W fanless designs.
Best for: Ultra-portable, fanless laptops
Read the full reviewA highly efficient 15W processor that brings 10-core hybrid architecture to mainstream laptops, offering excellent battery life and solid daily performance.
Best for: Buying a thin-and-light laptop for school, office work, or general everyday use.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Core i5-1230U or Intel Core i5-1235U?
For gaming, the Core i5-1230U leads with a gaming performance score of 50/100 among Core i5-1230U and Intel Core i5-1235U.
Which uses less power?
The Core i5-1230U has the lowest rated TDP. Power draw across these chips: Core i5-1230U (9 W), Intel Core i5-1235U (15 W).
Do Core i5-1230U and Intel Core i5-1235U use the same socket?
No. They use different sockets (Core i5-1230U: Intel BGA 1781, Intel Core i5-1235U: Intel BGA 1744), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Core i5-1230U posts the highest multi-core benchmark score. Multi-core results: Core i5-1230U (0). Benchmark figures are approximate and workload-dependent.