Intel Core i5-8279U socket: BGA 1528
The Intel Core i5-8279U uses BGA 1528, a soldered package for 28 W Coffee Lake-U thin laptops. The 4-core Iris Plus chip cannot be replaced.
- Socket
- BGA 1528
- Launched
- April 2019
- Cores and threads
- 4 and 8
- Base power
- 28 W
- Codename
- Coffee Lake-U
- Segment
- Mobile (soldered)
- Family
- Intel Core i5
- Clocks
- 2.4 / 4.1 GHz
Intel Core i5-8279U specifications
| Cores | 4 |
|---|---|
| Threads | 8 |
| Core architecture | Skylake based cores on 14 nm |
| Clocks | 2.4 GHz base, up to 4.1 GHz with Turbo Boost 2.0 |
| Cache | 6 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 28 W |
| Manufacturing process | 14 nm |
| Memory support | DDR4-2400 and LPDDR3-2133, two channels, up to 32 GB |
| PCI Express | 16 lanes from the CPU, PCIe 3.0 |
| Integrated graphics | Intel Iris Plus Graphics 655 (300 MHz base, up to 1.15 GHz) with 128 MB eDRAM |
| Multiplier | Locked |
| ECC memory | Not supported |
| Package | FCBGA1528 (46 by 24 mm, soldered) |
Motherboard compatibility
Intel Core i5-8279U 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.
Recommended GPU pairing
| Recommended tier | Mid-range 1080p laptop (2019 era) |
|---|---|
| Example GPUs | GeForce MX150 Laptop, GeForce GTX 1650 Laptop |
| Target resolution | 1080p high settings (internal display) |
Four cores with eight threads, PCIe 3.0 with 16 lanes, DDR4-2400 memory, and second quarter 2019 launch timing suit mid-range 1080p laptop graphics from 2019. The GPU cannot be changed in most chassis. A faster external GPU still works through Thunderbolt, but the internal balance shifts with game, settings, and resolution.
This is a rough match for a new build at the stated resolution, not a limit. A faster card still works and helps at higher resolutions or in games that load the GPU more than the CPU. A slower card is fine for lighter games and office use. The exact balance shifts with the game, the settings and the resolution, so no percentage is given.
BGA 1528 at a glance
| Type | BGA, 1,528 contacts |
|---|---|
| Package size | 46 × 24 mm |
| Introduced | August 2018 |
| Memory | DDR4-2133 to DDR4-2666, LPDDR3-1866 and LPDDR3-2133 plus LPDDR4-2933, two channels, up to 64 GB |
| Cooler mounting holes | Not applicable (soldered) |
What the Core i5-8279U is
The Core i5-8279U is a four core, eight thread Coffee Lake-U processor with Iris Plus graphics at 28 W. It launched in the second quarter of 2019 with a high 2.4 GHz base and up to 4.1 GHz boost. The 28 W envelope buys sustained clocks that 15 W U parts cannot hold in thin premium bodies.
Six megabytes of Smart Cache cover photo editing, code builds and multitasking in thin premium bodies. Iris Plus 655 with 128 MB eDRAM and up to 1.15 GHz burst leads integrated graphics of its year for display work. The 2.4 GHz base tops every 15 W U part for all core duty and exports.
DDR4-2400 memory in two channels up to 32 GB feeds cores and the eDRAM backed GPU. There is no discrete GPU in most 8279U designs, so the Iris Plus tier carries creation alone. The chip suits buyers who want graphics strength without a gaming chassis or its weight.
Socket and motherboard compatibility
The 8279U is soldered to BGA 1528 at 46 by 24 mm and cannot be replaced. Intel lists FCBGA1528 for this SKU, so it belongs in BGA 1528 even where queue rows read BGA 1526. Boards tune thermals for 28 W rather than 15 W with larger pipes.
Premium thin lines pair the chip with fast NVMe storage and bright high resolution panels for creators. Memory is often soldered LPDDR for thinness with 16 GB common in flagship configs. The How to find your CPU socket type guide shows where maker specs list the package line.
Standard 15 W U boards cannot substitute without thermal and firmware validation. Power delivery and fan policy differ at 28 W, so board choice locks graphics tier and memory together at purchase time. Makers tune larger pipes and curves for the higher envelope in premium bodies.
Memory, PCIe and cooling
DDR4-2400 plus LPDDR3-2133 cover this 28 W SKU, with up to 32 GB in two channels. Creator builds ship 16 GB soldered or slotted for photo libraries and catalogs. Dual channel mode is vital because Iris Plus shares memory bandwidth with the cores during edits. Creators favor 16 GB builds for large catalogs with smart previews. Dual channel checks matter most for Iris Plus bandwidth under heavy editing load.
Sixteen PCIe 3.0 lanes wire as x4 and x2 combinations for NVMe SSDs and board devices. Thin 8279U designs typically give x4 to a single fast SSD for catalogs and boot. Thunderbolt 3 on premium bodies adds docks and external graphics for desk expansion.
Cooling uses larger heat pipes and fans than 15 W bodies for sustained 2.4 GHz duty. Skin temperatures run higher under load, so vent care matters for lap use. Service is fan cleaning per maker guide, never a cooler swap like socketed desktops.
Upgrade paths
Soldered BGA leaves no CPU path for the life of the laptop. A larger NVMe SSD and calibrated displays extend creator life where memory is fixed at order time. External storage for photo archives also reduces internal wear and backup times. Nightly backups protect client work from drive wear and theft. Panel profiles travel with color critical jobs across studios and print labs.
A laptop change to a 6-core Comet Lake-U adds threads in a thin body within the wider BGA 1528 family. The 15 W Intel Core i5-8257U shows the Iris Plus 645 sibling for lighter thin duty with longer battery life. Compare export times against travel needs before choosing tiers.
For 8279U owners, the next step is rarely another 28 W U part. Newer integrated graphics generations or a discrete GPU laptop serve heavier creation better than a side grade with similar core counts. Keep calibrated panels and fast NVMe to stretch the premium chassis for years.
Frequently asked questions
What socket does the Intel Core i5-8279U use?
It uses BGA 1528 soldered to the premium thin board. The 4-core 28 W chip cannot be replaced.
What graphics does the 8279U use?
Intel Iris Plus Graphics 655 at 300 MHz base with up to 1.15 GHz burst and 128 MB eDRAM.
What memory fits 8279U laptops?
DDR4-2400 or LPDDR3-2133 in two channels up to 32 GB. ECC is not supported on this mobile SKU.
When did the 8279U launch?
Second quarter of 2019 with the Coffee Lake-U Iris Plus thin line for premium laptops.
Why is the 8279U 28 W?
The higher envelope sustains a 2.4 GHz base and Iris Plus 655 graphics that 15 W U parts cannot hold.
Sources and verification
- Intel Core i5-8279U specifications (Intel)
- Coffee Lake (Wikipedia, 8279U Iris Plus 655 28 W mobile list)
Facts last checked against these sources on . Page last edited on .