It’s not uncommon for individuals to have different strength levels and capabilities across different exercises. The differences you are experiencing between your squat and deadlift performance could be attributed to various factors, including:

1. Technique and form: The squat and deadlift are distinct exercises that involve different movement patterns and muscle activation. It’s possible that you have better technique and form for the squat, allowing you to lift heavier weights with more ease. On the other hand, your deadlift technique might need refinement, which could limit your ability to lift the same weight as you do in the squat.

1. Muscular imbalances: The squat and deadlift engage different muscle groups to varying degrees. The squat primarily targets the quadriceps, hamstrings, and glutes, while the deadlift places more emphasis on the posterior chain, including the hamstrings, glutes, and lower back. If you have stronger quadriceps relative to your posterior chain muscles, it may explain the difference in performance between the two exercises.

1. Core and grip strength: The deadlift requires a strong core and grip strength to maintain proper form and lift heavy weights. If your core and grip strength are relatively weaker compared to your lower body strength, it could limit your deadlift performance.

1. Leverages and body mechanics: Each individual has unique leverages and body mechanics that can influence performance in different exercises. Some people may naturally have leverages that favor the squat, allowing them to lift more weight in that exercise compared to the deadlift.

To improve your deadlift performance and address the discrepancy, consider the following:

1. Focus on technique: Work with a qualified strength and conditioning coach or seek guidance from experienced lifters to ensure proper deadlift technique. Proper setup, bracing, and execution can significantly impact your ability to lift heavier weights.

1. Strengthen posterior chain and core: Incorporate exercises that specifically target your posterior chain muscles, such as Romanian deadlifts, hip thrusts, glute bridges, and back extensions. Additionally, incorporate exercises to strengthen your core, including planks, Russian twists, and cable crunches.

1. Grip strength training: To improve grip strength, incorporate exercises like farmer’s walks, dead hangs, and forearm exercises such as wrist curls and reverse curls.

1. Consider assistance exercises: Incorporate accessory exercises that target the specific muscles involved in the deadlift, such as bent-over rows, pull-ups, and lat pulldowns. Strengthening these muscles can help improve your overall deadlift performance.

Remember to gradually progress the weights, focus on proper form, and listen to your body to avoid injury. If you’re uncertain about your technique or experiencing difficulties, it’s advisable to consult with a qualified strength and conditioning coach or personal trainer for personalized guidance and support.