CPU Comparison
Intel Core i5-8365U vs Intel Core i7-8665UE
A side-by-side comparison of specs, performance and value. The Intel Core i5-8365U is an 8th generation mobile processor designed for thin and light business laptops. Part of the Whiskey Lake-U family, it was released in April 2019. Built on Intel's 14nm process, it features 4 cores and 8 threads, providing efficient multi-tasking capabilities for everyday productivity. The processor operates at a base frequency of 1.6 GHz and can boost up to 4.1 GHz for burst performance. With a low 15W TDP, it ensures long battery life while maintaining responsiveness. It includes 6 MB of Smart Cache and supports dual-channel DDR4 memory up to 2400 MT/s. The integrated Intel UHD Graphics 620 handles basic display tasks and light media consumption. Featuring vPro technology, the i5-8365U is tailored for enterprise environments requiring remote management and security features, making it a staple in corporate portable computing.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Excellent for office tasks, spreadsheets, and web apps.
Handles specialized industrial software efficiently.
Gaming
Not suitable for modern gaming; can run very light indie titles.
Not intended for gaming; UHD 620 is insufficient for modern titles.
Virtualization
Can handle light VMs, but limited by 4 cores.
vPro and TSX make it decent for light edge virtualization.
Efficiency
Excellent efficiency, providing long battery life in laptops.
Excellent efficiency for always-on embedded devices.
Specialized Performance
AI / ML
- No dedicated AI hardware.
- Relies on CPU for basic inference.
- No dedicated AI hardware
- Relies on CPU for inference
Content Creation
Gaming
- UHD Graphics 620 is not designed for gaming.
- Can handle very old or simple 2D games.
- Modern 3D titles will be unplayable.
- Uses Intel UHD Graphics 620
- Suitable only for basic display output
- Not for gaming applications
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent power efficiency
- vPro support for business
- Good single-core burst performance
- Supports fast DDR4 memory
Cons
- Only 4 cores in a multi-core world
- Integrated graphics are very weak
- End-of-life status
- Soldered to motherboard, non-upgradable
Pros
- Intel vPro support
- Long lifecycle availability
- Configurable TDP for fanless designs
- Good burst performance
Cons
- Expensive due to embedded market
- Weak integrated graphics
- Soldered BGA package
- Older 14nm process
Competitors & Alternatives
Intel Core i5-8365U
- AMD Ryzen 5 3500URival
Mobile Mainstream
- Compare head-to-headIntel Core i5-8350URival
Mobile Mainstream
- AMD Ryzen 7 3700URival
Mobile High-End
- Intel Core i7-8565URival
Mobile High-End
- Intel Core i5-7200URival
Previous Gen Mobile
Better 10nm architecture and graphics.
Compare head-to-head- AMD Ryzen 5 4500UAlt
More cores and better efficiency.
Modern hybrid architecture is much faster.
Compare head-to-head- AMD Ryzen 3 5300UAlt
Good budget alternative with modern features.
Significantly better IPC and Xe graphics.
Compare head-to-head
Intel Core i7-8665UE
- AMD Ryzen Embedded V1605BRival
Embedded
- Compare head-to-headIntel Core i7-8650URival
Mobile
- Compare head-to-headIntel Core i5-8365UERival
Embedded
- AMD Ryzen Embedded V1807BRival
Embedded
- Intel Atom x7-E3950Rival
Embedded
- Intel Core i7-1185GREAlt
Newer 11th Gen embedded with better graphics.
- AMD Ryzen Embedded V2000Alt
More cores and better efficiency.
- Intel NUC 11 ProAlt
Modern alternative for edge computing.
- AMD Ryzen 5 5600GEAlt
Desktop embedded alternative with more power.
Our Verdict on Each
A reliable and efficient processor for business users, offering solid multi-core performance and vPro manageability, though its integrated graphics are basic.
Best for: Buying a used business laptop at a steep discount.
Read the full reviewA robust embedded processor offering excellent longevity and vPro manageability for specialized industrial applications.
Best for: Designing a long-life medical or industrial edge device.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-8365U or Intel Core i7-8665UE?
Based on our editorial ratings, the Intel Core i7-8665UE 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 i5-8365U or Intel Core i7-8665UE?
For gaming, the Intel Core i5-8365U leads with a gaming performance score of 30/100 among Intel Core i5-8365U and Intel Core i7-8665UE.
Do Intel Core i5-8365U and Intel Core i7-8665UE use the same socket?
No. They use different sockets (Intel Core i5-8365U: BGA 1528, Intel Core i7-8665UE: Intel BGA 1528), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i7-8665UE posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-8365U (6,100), Intel Core i7-8665UE (8,200). Benchmark figures are approximate and workload-dependent.