CPU Comparison

Core i7-8665U vs Intel Core i7-8665UE

A side-by-side comparison of specs, performance and value. The Intel Core i7-8665U is an ultra-low power mobile processor launched in October 2018, specifically tailored for enterprise and business laptops. Based on the Whiskey Lake architecture, this 14nm chip features 4 cores and 8 threads, operating at a base frequency of 1.9 GHz and boosting up to 4.8 GHz. The key differentiator from the standard i7-8565U is the inclusion of Intel vPro technology, allowing remote management and security features essential for corporate IT environments. With a 15W TDP, it balances power efficiency with high burst performance. The processor includes 8MB of L3 cache and supports dual-channel DDR4 or LPDDR3 memory. It features Intel UHD Graphics 620 for display outputs. Designed for premium business ultrabooks like the ThinkPad X1 Carbon, the i7-8665U provides the snappy performance required for productivity alongside the robust security and manageability features demanded by enterprise users, making it a staple in corporate fleets.

Top pick
Intel · 8th Generation Core i7
Core i7-8665U
4C / 8T4.8 GHz15 W
8.2
Full review
Intel · Core i7
Intel Core i7-8665UE
4C / 8T4.4 GHz15 W
8
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Mobile
Mobile
Segment
Ultra-Low Power Mobile
Mobile Embedded
Generation
8th Gen
Core i7 (Whiskey Lake)
Launched
2018
2018
Status
End-of-life
End-of-life
Codename
Whiskey Lake-U
Whiskey Lake-U
Series
8th Generation Core i7
Core i7
Family
Whiskey Lake
8th Generation
Predecessor
Core i7-8650U
Intel Core i7-8650U
Successor
Core i7-10810U
Intel Core i7-1185GRE

Specifications Compared

Cores & Clocks
Cores
4
4
Threads
8
8
Base Clock
1.9 GHz
1.7 GHz
Boost Clock
4.8 GHz
4.4 GHz
Cache & Power
L3 Cache
8 MB
8 MB
TDP
15 W
15 W
Architecture
Architecture
Whiskey Lake-U
Whiskey Lake-U
Process Node
14nm
14nm
Memory
Memory Type
DDR4, LPDDR3
DDR3, DDR4
Memory Speed
DDR4-2400, LPDDR3-2133
2400 MT/s
Memory Channels
Dual (2)
Dual (2)
Max Memory
64 GB
64 GB
Platform & I/O
Socket
Intel BGA 1528
Intel BGA 1528
PCIe Version
PCIe 3.0
Gen 3
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Core i7-8665U
Intel Core i7-8665UE75

Handles specialized industrial software efficiently.

Gaming

Core i7-8665U
Intel Core i7-8665UE25

Not intended for gaming; UHD 620 is insufficient for modern titles.

Virtualization

Core i7-8665U
Intel Core i7-8665UE70

vPro and TSX make it decent for light edge virtualization.

Efficiency

Core i7-8665U
Intel Core i7-8665UE90

Excellent efficiency for always-on embedded devices.

Specialized Performance

AI / ML

Core i7-8665U

No data

Intel Core i7-8665UELimited
  • No dedicated AI hardware
  • Relies on CPU for inference

Content Creation

Core i7-8665U

No data

Intel Core i7-8665UEFair
Data AcquisitionSignal ProcessingIndustrial UI

Gaming

Core i7-8665U

No data

Intel Core i7-8665UELow
  • Uses Intel UHD Graphics 620
  • Suitable only for basic display output
  • Not for gaming applications

Industry Impact

Gaming
None
None
Workstations
Low
Moderate
Content Creation
Low
Low
Virtualization
Moderate
Moderate

Best CPU by Use Case

Corporate Productivity
Excellent
Remote Work
Excellent
Edge Computing
Excellent
Medical Imaging
Very Good
Industrial Control
Excellent
Digital Signage
Excellent
Gaming
Poor

Target Audience

Gamers
Content Creators
Developers
Targeted
Targeted
Workstation Users
Streamers
Office / Productivity
Targeted
Students

Strengths & Weaknesses

Core i7-8665U

Pros

  • Excellent single-core burst speed
  • Includes Intel vPro for remote management
  • Low 15W TDP
  • Great for business productivity

Cons

  • Throttles under sustained load
  • Only 4 cores
  • More expensive than consumer equivalents
  • Soldered BGA package
Intel Core i7-8665UE

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

Core i7-8665U

Intel Core i7-8665UE

  • AMD Ryzen Embedded V1605B

    Embedded

    Rival
  • Compare head-to-head
  • Compare head-to-head
  • AMD Ryzen Embedded V1807B

    Embedded

    Rival
  • Intel Atom x7-E3950

    Embedded

    Rival
  • Intel Core i7-1185GRE
    Alt

    Newer 11th Gen embedded with better graphics.

  • AMD Ryzen Embedded V2000
    Alt

    More cores and better efficiency.

  • Intel NUC 11 Pro
    Alt

    Modern alternative for edge computing.

  • AMD Ryzen 5 5600GE
    Alt

    Desktop embedded alternative with more power.

Our Verdict on Each

Core i7-8665URecommended

The i7-8665U offers top-tier ultrabook performance with the crucial addition of vPro for enterprise manageability.

Best for: Buying a used enterprise laptop (ThinkPad, Latitude)

Read the full review

A 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 review

Frequently Asked Questions

Which is better, Core i7-8665U or Intel Core i7-8665UE?

Based on our editorial ratings, the Core i7-8665U comes out ahead with a score of 8.2/10. 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 i7-8665U or Intel Core i7-8665UE?

For gaming, the Intel Core i7-8665UE leads with a gaming performance score of 25/100 among Core i7-8665U and Intel Core i7-8665UE.

Do Core i7-8665U and Intel Core i7-8665UE use the same socket?

Yes — all of these CPUs use the Intel BGA 1528 socket, so they share compatible motherboards.

Which is faster in multi-core benchmarks?

The Intel Core i7-8665UE posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-8665UE (8,200). Benchmark figures are approximate and workload-dependent.