Is the Tamron 35-150mm f/2-2.8 Di III VXD Lens sharp? This page visually answers that question. Shown above are 100% crops from a lab-captured 100mm f/4.0 test image. Observe the contrast and resolution of these results.
Is the Tamron 35-150mm f/2-2.8 Di III VXD Lens set to 100mm f/4.0 sharper than the Sony FE 35mm F1.4 GM Lens set to 35mm f/1.4? The image quality comparison above also answers that question. Switch between the results to see the sharpness differences between these lenses.