Core i7-8665UE
CPU·Budget

Core i7-8665UE

Intel

PassMark

4,852

MSRP

$409

AVG Price

$409

1 October 2018 (7 years ago)
15 Watt
Whiskey Lake-U (2018−2019)

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Core i7-8665UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 4,852 points. Launch price was $409.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i7-8665UE

#301
Celeron 4305U
MSRP: $107|Avg: N/A
123%
#302
Pentium 8500
MSRP: $200|Avg: $200
122%
#303
Atom D2500
MSRP: $42|Avg: N/A
121%
#304
Core i3-330E
MSRP: $177|Avg: $89
119%
#305
Core i7-3630QM
MSRP: $378|Avg: N/A
115%
#306
Core i7-3610QM
MSRP: $378|Avg: N/A
115%
#307
Pentium A1020
MSRP: $86|Avg: $86
114%
#308
C-30
MSRP: $50|Avg: $15
113%
#309
Core i5-4300M
MSRP: $227|Avg: N/A
110%
#310
Celeron 1005M
MSRP: $86|Avg: N/A
109%
#311
Celeron J1850
MSRP: $82|Avg: N/A
106%
#312
Core i5-4200M
MSRP: $225|Avg: N/A
105%
#313
Pentium Dual Core T4300
MSRP: $150|Avg: $99
105%
#314
Celeron 1000M
MSRP: $86|Avg: N/A
105%
#315
Core i7-3612QM
MSRP: $378|Avg: N/A
104%
#316
Core i7-8665UE
MSRP: $409|Avg: $409
100%
#317
Celeron N3060
MSRP: $107|Avg: N/A
100%
#318
Core i5-3320M
MSRP: $225|Avg: N/A
100%
#319
Processor N50
MSRP: $128|Avg: $120
94%
#320
Core i7-4910MQ
MSRP: $570|Avg: $570
93%
#321
Pentium J2850
MSRP: $94|Avg: $94
91%
#322
Celeron P4505
MSRP: $86|Avg: $86
90%
#323
Core i7-2720QM
MSRP: $378|Avg: N/A
90%
#324
Pentium 2020M
MSRP: $134|Avg: N/A
89%
#325
Athlon II N350
MSRP: $100|Avg: $100
88%
#326
Pentium 2030M
MSRP: $134|Avg: N/A
88%
#327
Celeron N3350
MSRP: $107|Avg: N/A
88%
#328
Core i7-2675QM
MSRP: $378|Avg: N/A
87%
#329
Core i5-460M
MSRP: $80|Avg: $129
86%
#330
Core i5-2520M
MSRP: $225|Avg: N/A
84%
#331
Core m3-7Y32
MSRP: $281|Avg: $281
81%
Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Core i7-8665UE across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Apex Legends

Apex Legends

1080p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
1440p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
4k
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
1440p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
4k
low121 FPS
medium121 FPS
high111 FPS
ultra99 FPS
Counter-Strike 2

Counter-Strike 2

1080p
low121 FPS
medium117 FPS
high110 FPS
ultra95 FPS
1440p
low121 FPS
medium105 FPS
high99 FPS
ultra85 FPS
4k
low96 FPS
medium84 FPS
high73 FPS
ultra60 FPS
Dead by Daylight

Dead by Daylight

1080p
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1440p
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
4k
low60 FPS
medium60 FPS
high55 FPS
ultra54 FPS
Dota 2

Dota 2

1080p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
1440p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
4k
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
Elden Ring

Elden Ring

1080p
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1440p
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
4k
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
Euro Truck Simulator 2

Euro Truck Simulator 2

1080p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
1440p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
4k
low121 FPS
medium121 FPS
high112 FPS
ultra94 FPS
League of Legends

League of Legends

1080p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
1440p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
4k
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
Overwatch 2

Overwatch 2

1080p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
1440p
low121 FPS
medium121 FPS
high121 FPS
ultra121 FPS
4k
low121 FPS
medium121 FPS
high121 FPS
ultra115 FPS
Path of Exile 2

Path of Exile 2

1080p
low121 FPS
medium121 FPS
high109 FPS
ultra87 FPS
1440p
low121 FPS
medium112 FPS
high91 FPS
ultra74 FPS
4k
low78 FPS
medium67 FPS
high53 FPS
ultra42 FPS

Technical Analysis

Detailed breakdown of Core i7-8665UE specifications and capabilities.

Processing Power

The Core i7-8665UE is a 4-core / 8-thread processor based on the Whiskey Lake-U (2018−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 4.4 GHz from a base frequency of 1.7 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 MB (total) of L3 cache, plus 256 kB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 4,852, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationCore i7-8665UE
Cores / ThreadsPhysical/logical processing units4C / 8T
Max Boost ClockPeak single-core speed under boost4.4 GHz
Base ClockGuaranteed minimum operating frequency1.7 GHz
ArchitectureCPU microarchitecture designWhiskey Lake-U (2018−2019)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores8 MB (total)
L2 CachePer-core fast cache for frequently accessed data256 kB (per core)
L1 CacheUltra-fast per-core cache64 kB (per core)
64-bit SupportYes
Windows 11 CompatibleYes
PassMark ScoreOverall multi-threaded benchmark score4,852
🧠

Memory & Platform

The Core i7-8665UE fits into the FCBGA1528 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3, DDR4 memory at speeds up to DDR4-2400 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 64 GB across 2 channels (dual-channel doubles bandwidth). Integrated graphics: UHD Graphics 620 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i7-8665UE
TypeDesktop or Laptop processorLaptop
SocketMotherboard socket requiredFCBGA1528
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion16
RAM TypeSupported memory standardDDR3, DDR4
Max RAM SpeedMaximum officially supported memory frequencyDDR4-2400
Max RAM CapacityMaximum installable memory64 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorUHD Graphics 620
Max CPUs in ConfigMulti-socket support for servers1
🔧

Advanced Features

The Core i7-8665UE is primarily designed for Embedded. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads).

SpecificationCore i7-8665UE
Primary Use CaseIntended workload categoryEmbedded
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x, VT-d
🌡️

Power & Cooling

The Core i7-8665UE has a rated TDP (Thermal Design Power) of 15 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationCore i7-8665UE
TDPThermal Design Power — heat output under sustained workload15 Watt
💰

Value Analysis

At an average price of $409, the Core i7-8665UE delivers 12 PassMark points per dollar. Performance ranking position: #1895 out of all indexed processors.

SpecificationCore i7-8665UE
MSRPManufacturer's Suggested Retail Price$409
Avg Price (30d)Average market price over the last 30 days$409
Launch PriceOriginal retail price at launch$409
Performance RankPosition in overall performance ranking#1895
Release DateLaunch date1 October 2018 (7 years ago)
Release Year2018
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

4 categories

General Information

7 specs

TypeLaptop
DesignerIntel
Launch Price$409
ManufacturerIntel
Release Date1 October 2018 (7 years ago)
Architecture CodenameWhiskey Lake-U (2018−2019)
Performance Ranking Position1895

Technical Specifications

10 specs

Cores4
Threads8
L1 Cache64 kB (per core)
L2 Cache256 kB (per core)
L3 Cache8 MB (total)
Max Frequency4.4 GHz
64-Bit Support+
Base Frequency1.7 GHz
Process Technology14 nm
Windows 11 Compatible+

Compatibility

4 specs

SocketFCBGA1528
PCIe GenerationPCIe 3.0
Power Consumption (TDP)15 Watt
Max Processors In Config1

Memory

1 spec

RAM TypesDDR3, DDR4

Our Recommendation for Core i7-8665UE

Suggested pairings based on performance balance

Compare Core i7-8665UE

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