gfb comparison Sizes: 150 × 150 / 300 × 300 / 768 × 768 / 1,024 × 1,024 / 1,280 × 1,280 / 250 × 250 / 400 × 400 / 100 × 100 / 250 × 250 / 400 × 400 / 100 × 100 / 1,440 × 1,440