Intel Celeron 3865U socket: BGA 1356
The Intel Celeron 3865U uses the BGA 1356 soldered package. It is a dual core Kaby Lake-U laptop chip at 15 W with a fixed 1.8 GHz.
- Socket
- BGA 1356
- Launched
- January 2017
- Cores and threads
- 2 and 2
- Base power
- 15 W
- Codename
- Kaby Lake-U
- Segment
- Mobile (soldered)
- Family
- Intel Celeron
- Clocks
- 1.8 / 1.8 GHz
Intel Celeron 3865U specifications
| Cores | 2 |
|---|---|
| Threads | 2 |
| Core architecture | Kaby Lake-U on 14 nm |
| Clocks | 1.8 GHz base, no Turbo Boost |
| Cache | 2 MB |
| Processor base power (TDP) | 15 W |
| Manufacturing process | 14 nm |
| Memory support | DDR4-2133 and LPDDR3-1866, two channels, up to 32 GB |
| PCI Express | PCIe 3.0, 10 lanes from the CPU |
| Integrated graphics | Intel HD Graphics 610 |
| Multiplier | Locked |
| Package | FCBGA1356 (42 × 24 mm, soldered) |
Motherboard compatibility
Intel Celeron 3865U needs a motherboard with a BGA 1356 socket. Chipset by chipset data for this codename is not recorded yet. See the BGA 1356 chipset list and the board maker's CPU support list.
BGA 1356 at a glance
| Type | BGA, 1,356 contacts |
|---|---|
| Package size | 42 × 24 mm |
| Introduced | September 2015 |
| Memory | DDR4-2400 and LPDDR3-2133, two channels, up to 32 GB |
| Cooler mounting holes | Not applicable (soldered) |
What the Celeron 3865U is
The Celeron 3865U is a two core, two thread mobile processor from Kaby Lake-U. It launched in January 2017 with a fixed 1.8 GHz at 15 W. Two cores cover entry laptops where cost matters more than speed.
Two megabytes of cache feed browsing and documents. The fixed 1.8 GHz keeps behavior simple for school machines. Fifteen watts suit thin bodies with small fans.
HD Graphics 610 drives laptop displays with hardware decode for video. No Hyper-Threading is present. The chip suits fleets where many seats need basic pace.
On 14 nm the 3865U solders to entry ultrabooks. It sits below the 3965U on clocks. Schools pick it for classroom clouds.
Socket and motherboard compatibility
The 3865U solders to BGA 1356 with no socket option. Laptop model fixes the chip for life. Boards set 15 W with down options where offered.
Entry laptops pair it with DDR4 slots or soldered LPDDR3. Check memory soldered status for growth. The How to find your CPU socket type guide shows BGA identification.
The Intel Celeron 3965U is the higher clock sibling on the same package. Pentium 4415U adds Hyper-Threading where threads help.
Memory, PCIe and cooling
DDR4-2133 or LPDDR3-1866 in two channels up to 32 GB is the support. Matched pairs help graphics. Many bodies solder 4 GB.
Ten PCIe 3.0 lanes wire SSDs and board devices. Speeds suit boot drives. Wi-Fi flows through board modules.
Fifteen watts cool with a small fan. Entry bodies favor battery over sustained pace.
Upgrade paths
No CPU upgrade exists on soldered BGA 1356. SSD and memory where socketed are the only levers.
A new laptop is the path past dual cores. The LGA, PGA and BGA: CPU package types explained guide frames soldered limits.
Frequently asked questions
What socket does the Celeron 3865U use?
It uses the BGA 1356 soldered package.
How many cores does the 3865U have?
Two cores with two threads at a fixed 1.8 GHz and 15 W.
What graphics are in the 3865U?
Intel HD Graphics 610 for laptop displays.
When did the 3865U launch?
January 2017 with the Kaby Lake-U mobile lineup.
Sources and verification
Facts last checked against these sources on . Page last edited on .