Intel Pentium 987 socket: BGA 1023

What the Pentium 987 is

Intel Pentium 987 is a dual core Sandy Bridge part that Intel released in September 2012 for value laptops with soldered boards. It uses the Sandy Bridge core design on a 32 nm process, running at 1.5 GHz with no turbo. The cache is 2 MB Intel Smart Cache (L3). Power is 17 W. Graphics come from Intel HD Graphics (350 MHz to 1000 MHz).

The two cores have no Hyper-Threading, so threads equal cores at 2. The GT1 graphics block covers monitors and video without a separate card. The package integrates the dual channel memory controller on die.

At 17 W the 987 belongs to the Sandy ULV group. The fixed 1.5 GHz clock suits web, office and classroom work with passive or small active cooling. Laptops pair it with soldered memory in thin bodies. The How to find your CPU socket type guide shows how to confirm the package before ordering parts.

Socket and motherboard compatibility

The 987 solders to BGA 1023 with 1,023 balls in a 31 by 24 mm footprint and cannot be moved to another board. Laptop makers qualify each model with a specific board and BIOS, so even another BGA1023 part is not a drop in upgrade.

Power and firmware decide service results. The 17 W envelope sizes the heat spreader, and the board BIOS must list the exact 987 string. The CPU cooler compatibility by socket guide notes that soldered mobile parts have no desktop mount pattern. Socket vs chipset: what decides whether a CPU works covers Intel pairing basics.

Memory, PCIe and cooling

Memory support is ddr3-1066 and 1333, two channels, up to 16 gb. Many thin boards solder the memory, so capacity locks at purchase. Two matched channels help the graphics block that shares system RAM.

PCI Express lanes come from the CPU with a layout that varies by board design. Thin boards wire lanes to Wi-Fi and SSDs rather than graphics slots. There is no graphics card slot to consider.

Cooling uses the laptop thermal solution, not a retail mount. The 17 W envelope suits single fan thin bodies with a spreader over the package. Repaste and fan cleaning help sustained clocks more than any setting change.

Upgrade paths

There is no CPU upgrade path on soldered BGA 1023. The 987 cannot be removed, so a faster part means a new board or a new laptop. Within the family Intel Celeron 1020E shows another BGA1023 option, but boards and firmware rarely mix across makers.

A platform move means a new laptop. Current Intel mobile lives on newer BGA packages with DDR4 or LPDDR4 and current wireless, which no BGA 1023 board can reach. Recycle the old laptop through a proper e waste path once data is wiped.