Intel Core i7-8665U socket: BGA 1528

The Intel Core i7-8665U uses the BGA 1528 socket on soldered thin laptop boards. It is a quad core Whiskey Lake-U flagship at 15 W.

Socket
BGA 1528
Launched
April 2019
Cores and threads
4 and 8
Base power
15 W
Segment
Mobile (soldered)
Clocks
1.9 / 4.8 GHz

Intel Core i7-8665U specifications

Cores4
Threads8
Core architectureWhiskey Lake-U cores on 14 nm
Clocks1.9 GHz base, up to 4.8 GHz with Turbo Boost 2.0
Cache8 MB
Processor base power (TDP)15 W
Manufacturing process14 nm
Memory supportDDR4-2400 and LPDDR3-2133, two channels, up to 64 GB
PCI Express16 lanes from the CPU, PCIe 3.0
Integrated graphicsIntel UHD Graphics for 8th Gen (300 MHz to 1.15 GHz)
MultiplierLocked
ECC memoryNot supported
PackageFCBGA1528 (soldered)

Motherboard compatibility

Intel Core i7-8665U needs a motherboard with a BGA 1528 socket. Chipset by chipset data for this codename is not recorded yet. See the BGA 1528 chipset list and the board maker's CPU support list.

BGA 1528 at a glance

TypeBGA, 1,528 contacts
Package size46 × 24 mm
IntroducedAugust 2018
MemoryDDR4-2133 to DDR4-2666, LPDDR3-1866 and LPDDR3-2133 plus LPDDR4-2933, two channels, up to 64 GB
Cooler mounting holesNot applicable (soldered)

Read the full BGA 1528 socket guide

What the Core i7-8665U is

The Core i7-8665U tops Whiskey Lake-U thin laptops with the highest boost in 15 W. It launched in the second quarter of 2019 with a 1.9 GHz base and up to 4.8 GHz boost. Intel positions it above 8565U for premium thin buyers who want peak bursts.

Eight megabytes of cache support multitasking across eight threads. The slightly higher base versus 8565U sustains interaction. Boost to 4.8 GHz leads thin laptop single thread speed of its generation.

UHD Graphics for 8th Gen processors from 300 MHz to 1150 MHz cover premium displays. The process is 14 nm. DDR4-2400 and LPDDR3-2133 in two channels suit premium bodies. Note that some lists show October 2018 for this SKU, while Intel ARK lists Q2 2019, and this page uses Q2 2019.

Socket and motherboard compatibility

The 8665U solders to BGA 1528 permanently. Premium thin makers tune 15 W with dual heat pipes for frequent bursts to 4.8 GHz. There is no socketed path.

DDR4-2400 or LPDDR3-2133 in two channels up to 64 GB covers premium office use. Faster memory helps graphics at high resolutions. The How to find your CPU socket type guide lists FCBGA1528.

i7-8565U parts give similar cores with slightly lower boost on the same package. New generations bring more cores for thicker bodies.

Memory, PCIe and cooling

DDR4-2400 or LPDDR3-2133 in two channels up to 64 GB pairs with fast SSDs for premium notebooks. Start with 16 GB.

PCIe 3.0 with 16 lanes from the CPU feeds NVMe plus board devices. Thin premium bodies prioritize storage speed.

Dual pipe 15 W cooling holds 4.8 GHz bursts quietly. No retail pattern exists.

Upgrade paths

Soldered BGA prevents upgrades. SSD and memory where slots exist extend premium life.

Within BGA 1528, the Intel Core i7-8565U offers nearly the same experience with slightly lower boost for less cost. The Intel Core i7-8665UE adds embedded supply terms at lower clocks for industrial use.

Past BGA 1528 newer thin flagships need other sockets. The 8665U covers peak thin bursts where 15 W must stretch.

Frequently asked questions

What socket does the Core i7-8665U use?

It uses BGA 1528 soldered to the thin laptop board.

How many cores does the 8665U have?

Four cores with Hyper-Threading give eight threads. Base is 1.9 GHz with boost to 4.8 GHz.

Which graphics does the 8665U include?

UHD Graphics for 8th Gen processors from 300 MHz to 1150 MHz.

What memory does the 8665U support?

DDR4-2400 or LPDDR3-2133 in two channels up to 64 GB.

When did the 8665U launch?

Second quarter of 2019 per Intel ARK.

Sources and verification

  1. Intel Core i7-8665U Processor specifications (Intel)
  2. Intel Core i7-8665U specs (TechPowerUp)

Facts last checked against these sources on . Page last edited on .