Intel Core 5 320 socket: BGA 1516

What the Core 5 320 is

The Intel Core 5 320 is a 6-core, 6-thread mobile processor that Intel launched in April 2026 in the mainstream slot of Core Series 3, the family codenamed Wildcat Lake. Its two Cougar Cove Performance-cores run at 1.5 GHz and reach up to 4.6 GHz, while four Darkmont low-power Efficient-cores take parallel and background work at 1.4 GHz and up to 3.4 GHz. The six cores share 6 MB of Intel Smart Cache, and one thread per core gives six threads in total.

Intel Graphics with two Xe3 cores and 32 execution units runs at up to 2.5 GHz with 20 TOPS of Int8 throughput, which handles office suites, 4K video playback with AV1 decode, and light photo work through Quick Sync acceleration. A discrete NPU adds 16 TOPS for camera effects, noise suppression and other background AI features. Intel builds the compute tile on the Intel 18A process, with 15 W of processor base power and up to 35 W of maximum turbo power.

The 320 is the volume SKU of the family. Its cores, clocks, cache, graphics, NPU and power ratings are identical to the Core 5 330, and press coverage of the launch identifies Intel SIPP support on the 330 as the only difference. Consumer laptops and compact desktops built around the 320 give up nothing in speed, while fleet buyers who need the platform stability program choose 330 based systems. Early PassMark sightings reported in the press showed the 320 trading places with its 330 twin, exactly as matching silicon should.

Board makers adopted the 320 early beyond laptops. Advantech lists it on the preliminary datasheet for its MIO-5356 industrial board, a 146 × 102 mm design with a single DDR5 channel that lines up with the single-channel controller in the silicon. That placement shows where Wildcat Lake fits outside notebooks: fanless and small-form edge systems that want a 15 W x86 chip with modern media and AI blocks.

Socket and motherboard compatibility

The Core 5 320 is soldered to its board in the BGA 1516 ball grid array, so there is no socket to plug into and the chip cannot be replaced or upgraded later. The 1,516-ball joint is made once at the factory on a 35 × 25 mm FCBGA1516 package, and each laptop or industrial board is qualified around this exact SKU for its whole service life.

There is no board or chipset choice in the retail sense. The system vendor fixes the memory type and capacity, tunes the power policy between the 10 W minimum assured power and the 35 W turbo ceiling, and validates the thermal design for that envelope. Thunderbolt 4 support in the silicon reaches the buyer only where the vendor wires and certifies the ports.

The BGA 1516 footprint carries all seven Wildcat Lake SKUs. Sharing the package does not create an upgrade path, because each SKU needs its own board build and firmware. Buyers deciding between the 320 and the 330 make the call on SIPP manageability at purchase time, since the silicon speed is the same either way.

Memory, PCIe and cooling

Memory is single-channel by design. The controller supports LPDDR5X up to 7467 MT/s or DDR5 up to 6400 MT/s, with up to 64 GB depending on memory type, and the fitted type and size are fixed when the board is built. Laptop designs usually choose soldered LPDDR5X for idle power, while compact and industrial boards like the Advantech unit use a DDR5 slot. Either way a second channel cannot be added, because the limitation sits in the processor itself.

Expansion comes from six PCIe 4.0 lanes out of the processor, configurable as one by four, three by two, or six by one. Those lanes typically serve NVMe storage and fast peripherals, while the integrated graphics drive up to three 3840 × 2160 displays at 60 Hz. The exact lane split and port list are set per system design, so the vendor specification governs.

Cooling is a system responsibility across the 10 W to 35 W span. Six cores at up to 4.6 GHz fit comfortably in thin laptop coolers at the base rating, while sustained turbo loads need the fan policy the vendor tuned. There is no boxed cooler and no retail heatsink list for a soldered mobile processor.

Upgrade paths

There is no CPU upgrade path on a soldered package. When the 320 starts feeling slow, the in-family step is a system built around the Core 7 350 or 360 with their 4.8 GHz peaks, and memory size changes mean a new board too. Buyers should therefore size memory and pick the tier at the original purchase.

Moving off BGA 1516 means a new platform. Sustained workstation loads call for higher power mobile or socketed desktop designs, and stronger graphics or NPU throughput lives in the Core Ultra families. The LGA, PGA and BGA: CPU package types explained guide explains how soldered packages differ from socketed ones and why the whole device is the unit of replacement here.