There is no best only opinions!
Each have their advantages/disadvantages;
TX- glided piston, walnut stock option, easier to work on if needed/wanted, small/one sided breech opening, noisy & cumbersome anti beartrap, only one stock design, high price
97- not glided, no walnut stock option, large breech opening, no anti bear trap issues, numerous stock options (synthetic, thumbhole, laminate), blue or "stainless look", less expensive.
Neither decisively more accurate than the other