Intel Core i7-4870HQ socket: BGA 1364

What the Core i7-4870HQ is

The Core i7-4870HQ is the top Crystalwell quad of mid 2014 for gaming laptops on BGA 1364. Intel set 4 cores and 8 threads at 2.5 GHz base with turbo to 3.7 GHz. Six megabytes of Smart Cache cover play plus streaming, editing and builds. Power stays at 47 W on 22 nm from July 2014. It leads the 4770HQ and 4860HQ on clocks while sharing the same soldered package.

A 2.5 GHz base is high for a 47 W laptop chip and keeps minimum frame rates steadier in CPU heavy scenes. Turbo to 3.7 GHz helps single thread tasks such as UI work and compile steps. Eight threads handle game, chat, browser and capture without stalling. Discrete graphics in most chassis carry 1080p gaming, with Iris Pro as a capable backup for travel on battery.

Iris Pro Graphics 5200 from 200 MHz to 1.2 GHz supports three displays through eDP, DisplayPort, HDMI and VGA paths per chassis. DDR3L-1333 and 1600 over two channels to 32 GB feed the chip at up to 25.6 GB/s. The combination suits buyers who want the fastest soldered Haswell quad of its season without moving to a desktop.

Socket and motherboard compatibility

The 4870HQ solders to BGA 1364 as FCBGA1364 at 37.5 × 32 mm. There is no socket and no processor change later. The chip cannot be replaced. Display choice, discrete GPU tier, memory size and SSD choice happen once at order. Later work is limited to drives, wireless modules and batteries.

Boards use mobile companions such as QM87, HM87 and HM86 for I/O. Each laptop model has its own board layout, so CPU support never carries across models. The LGA, PGA and BGA: CPU package types explained guide explains why soldered gaming machines trade swap options for thin bodies. Always check the laptop maker page for exact limits.

No path exists to a faster CPU in the same chassis. A higher tier means a new laptop design with new cooling. Plan memory and storage for several years at purchase.

Memory, PCIe and cooling

DDR3L-1333 and 1600 across two channels to 32 GB is the memory rule. Two equal SODIMMs give dual channel bandwidth for both CPU and Iris Pro. Sixteen gigabytes fits gaming with open tools. The 1.5 V DDR3L setting suits laptop power budgets.

Sixteen lanes of PCIe 3.0 from the CPU link discrete graphics and fast drives. Vendors wire lanes per thermal plan, so slot speed varies by model. Maker specs list whether an NVMe path or extra SATA comes with the GPU link. The mobile chipset adds USB 3.0, SATA and networking.

Cooling uses a custom dual fan assembly for 47 W plus graphics, with pattern Not applicable (soldered). No boxed cooler ships. Noise under load follows fan tables and shared pipe layout. Clean vents and a firm table hold turbo longer than soft bedding.

Upgrade paths

Soldered BGA-1364 has no CPU upgrade. Compare at purchase the Intel Core i7-4770HQ at 2.2 GHz to 3.4 GHz and the Intel Core i7-4860HQ at 2.4 GHz to 3.6 GHz, both with Iris Pro graphics at 47 W. The 4870HQ leads on base and turbo, so it suits buyers who keep laptops for years and want the highest Haswell clocks in this body class.

A newer platform needs a new laptop with new board and memory. The How to find your CPU socket type guide helps identify soldered models in used listings. For a desktop with later swaps, see LGA 1150 and the Intel Core i7-4790K.