Line mini muffin tin with paper liners or grease silicone cups.
Mix graham cracker crumbs, melted butter, and sugar until combined.
Press crust mixture into liners and refrigerate to set.
Beat softened cream cheese until smooth, then add powdered sugar and vanilla.
Whip cold heavy cream until stiff peaks form.
Fold whipped cream into cream cheese mixture gently.
Spoon or pipe filling onto chilled crusts; refrigerate for 2 hours.
Top each cheesecake with fresh berries before serving.
Optionally brush fruit with warmed preserves for glossy finish.