The P2S and X2D share the same CoreXY architecture, same 300°C nozzle and the same enclosure approach. The $100 price gap buys you active chamber heating, dual nozzle capability, up to 25 colors, a 120°C bed and a higher speed rating on the X2D.
Active chamber heating is the biggest. The P2S is enclosed but not actively heated; it traps print and ambient heat, fine for ABS in a warm room but unreliable in cold environments. The X2D actively holds 65°C regardless of ambient temperature, making it significantly more consistent for ABS, ASA, and materials that warp without a stable chamber environment.
On Bambu's spec sheet the X2D is the faster machine: 1,000 mm/s on the main toolhead against 600 mm/s for the P2S, with the same 20,000 mm/s² acceleration. In real-world quality printing this matters less than the numbers suggest: most quality profiles run at 200 to 300 mm/s regardless, and both printers reach those without effort.
If your use case is high-volume PLA production, the P2S wins on price per printer and on weight, not on speed. For everything else, the X2D's feature set is more useful.
Yes, in the right conditions. In a warm workshop (20°C or more; Bambu says even PLA and PETG can warp below that) with a draft-free environment, the enclosed P2S traps enough heat to handle ABS for most parts. Where it struggles is in cold garages, air-conditioned rooms, or large parts that take 8+ hours and experience temperature swings. The X2D's active 65°C chamber eliminates these environmental variables entirely, which is the core reason to choose it over the P2S for engineering materials.