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| Feature | AM4 (PGA) | AM5 (LGA) | Intel LGA 1700 | | :--- | :--- | :--- | :--- | | | 1,331 pins | 1,718 contacts | 1,700 contacts | | Mechanism | Pins on CPU | Pins in socket | Pins in socket | | Die/Pin Density | Lower (1.0mm pitch) | Higher (0.8mm pitch) | Highest (variable) | | Power Delivery | Mixed core/SOC | Dedicated power vs. I/O | Separate Vcore/VCCGT | | PCIe Support | Up to Gen 4 (5 with X570S) | Gen 5 | Gen 5 | | Common Failure | Bent CPU pins | Bent socket pins | Bent socket pins |
A bent pin in the power delivery region rarely kills the CPU immediately, but it causes voltage droop (instability). If the CPU draws 100A through 10 pins instead of 50, those pins will overheat and melt.
Pins are on the CPU, socket has holes. Supports DDR4 and PCIe 3.0/4.0. am4 pin layout
The motherboard will fail to POST completely, showing a CPU debug LED or a black screen. 5. Step-by-Step Guide to Fixing Bent AM4 Pins
of the specific power and data pin groups, or are you looking for repair advice for a bent pin?
AM4 socket (also known as PGA 1331) uses a Pin Grid Array (PGA) layout where the pins are located on the processor package itself, fitting into 1,331 holes in the motherboard socket. Launched in 2016, it was AMD's first unified platform to support both high-end CPUs and APUs with integrated graphics on a single socket. Core Architecture and Specifications The AM4 layout is a square package measuring 40mm x 40mm This public link is valid for 7 days
Intel has historically relied on LGA sockets for its desktop processors. The number of pins often dictates generation compatibility.
: Unlike newer AM5 or Intel sockets (LGA), AM4 places the pins on the CPU processor itself rather than the motherboard socket. Pin Redundancy : Many pins are dedicated to power delivery ( VSS/Ground
Likely a broken clock pin, control pin, or vital power rail. Can’t copy the link right now
For engineering purposes, the standard document is: — available only to AMD partners (NDA).
Step 3: The Mechanical Pencil Method (For Isolated Extreme Bends)