CPU Comparison
Intel Core i7-8550U vs Core i7-8565U
A side-by-side comparison of specs, performance and value. The Intel Core i7-8550U is an ultra-low power mobile processor launched in August 2017 as part of the 8th Generation Kaby Lake-U Refresh family. Designed for thin-and-light laptops, it marked a significant milestone by introducing 4 cores and 8 threads to the 15-watt TDP category, a substantial upgrade from the dual-core designs of previous generations. Built on Intel's 14nm process, it operates at a base clock of 1.8 GHz and can boost up to 4.0 GHz. The processor features 8MB of L3 cache, doubling the cache size of its 7th Gen predecessors. It integrates Intel UHD Graphics 620 for basic multimedia tasks and hardware-accelerated video decoding. While its low base clock limits performance under sustained multi-threaded loads, the aggressive turbo boost ensures snappy responsiveness for everyday productivity. The i7-8550U became one of the most popular ultrabook processors of its era, powering countless mainstream laptops and bringing true quad-core performance to the portable form factor.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Snappy for office applications but throttles under sustained load.
Gaming
Only suitable for very light 2D or older games due to UHD 620 graphics.
Virtualization
Can run one light VM, but limited by 15W TDP.
Efficiency
Excellent idle efficiency and good battery life for ultrabooks.
Specialized Performance
AI / ML
- No dedicated AI hardware
- Relies on CPU for basic inference
No data
Content Creation
No data
Gaming
- Relies on Intel UHD Graphics 620
- Can run esports titles on low settings
- Not suitable for AAA gaming
No data
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Brought 4 cores to 15W ultrabooks
- Good single-core burst performance
- Excellent battery life for basic tasks
- Large 8MB L3 cache
Cons
- Low base clock of 1.8 GHz
- Throttles under sustained multi-threaded load
- Basic UHD 620 integrated graphics
- 14nm process is outdated
Pros
- Excellent single-core burst speed
- Low 15W TDP for long battery life
- Great for everyday office tasks
- Widely supported in popular ultrabooks
Cons
- Throttles quickly under sustained load
- Only 4 cores
- Uses older 14nm process
- Soldered BGA package
Competitors & Alternatives
Intel Core i7-8550U
- AMD Ryzen 7 2700URival
Mobile
- AMD Ryzen 5 2500URival
Mobile
- Intel Core i5-8250URival
Mobile
- Intel Core i7-7500URival
Mobile
- AMD Ryzen 5 3500URival
Mobile
- Intel Core i7-8565UAlt
Whiskey Lake refresh with higher clocks and better sustained performance.
- AMD Ryzen 5 4500UAlt
Much better multi-core performance and efficiency.
11th Gen offers massive IPC and graphics improvements.
Compare head-to-head- Alt
Vastly superior performance and battery life.
Compare head-to-head - AMD Ryzen 7 4700UAlt
8-core alternative with excellent battery life.
Core i7-8565U
- AMD Ryzen 7 2700URival
Ultra-Low Power Mobile
- AMD Ryzen 7 3700URival
Ultra-Low Power Mobile
- Compare head-to-headIntel Core i5-8265URival
Ultra-Low Power Mobile
- Compare head-to-headIntel Core i7-8550URival
Ultra-Low Power Mobile
- AMD Ryzen 5 3500URival
Ultra-Low Power Mobile
Next-gen 10nm Ice Lake with better graphics.
Compare head-to-head
Our Verdict on Each
A pioneering 15W processor that brought 4 cores to ultrabooks, offering solid multitasking, though its low base clock limits sustained performance.
Best for: If you are considering a laptop with the Core i7-8550U today, it should only be purchased in the used or refurbished market at a significant discount. It remains a capable processor for everyday tasks like web browsing, document editing, and media consumption. The 4-core design ensures it handles basic multitasking without major slowdowns. However, its 14nm architecture and 15W TDP mean it will struggle with any sustained heavy workloads like video editing or modern gaming. Avoid this processor if you need to run demanding software or if battery life is your absolute top priority, as newer chips are far more efficient. It is best suited for budget-conscious buyers or students who need a cheap, reliable secondary machine for schoolwork and everyday use.
Read the full reviewA solid quad-core ultrabook CPU with great burst performance, though its 14nm architecture shows its age in sustained workloads.
Best for: Buying a used ultrabook for school or office work
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-8550U or Core i7-8565U?
Based on our editorial ratings, the Core i7-8565U comes out ahead with a score of 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 is faster for gaming, Intel Core i7-8550U or Core i7-8565U?
For gaming, the Intel Core i7-8550U leads with a gaming performance score of 35/100 among Intel Core i7-8550U and Core i7-8565U.
Do Intel Core i7-8550U and Core i7-8565U use the same socket?
No. They use different sockets (Intel Core i7-8550U: Intel BGA 1356, Core i7-8565U: Intel BGA 1528), so each needs a compatible motherboard.