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Tamron 28-75mm f/2.8 Di III VXD G2 — Prime/Zoom
Tamron

Tamron 28-75mm f/2.8 Di III VXD G2

Prime/Zoom

88
/ 100
From $899
VS
Sony FE 24-70mm f/2.8 GM wins by 2
Sony FE 24-70mm f/2.8 GM — Prime/Zoom
Sony

Sony FE 24-70mm f/2.8 GM

Prime/Zoom

90
/ 100
From $2,198
Specdex verdict

Sony FE 24-70mm f/2.8 GM takes it — here’s why.

In our weighted Specdex score, Tamron 28-75mm f/2.8 Di III VXD G2 lands at 88 and Sony FE 24-70mm f/2.8 GM at 90. That puts Sony FE 24-70mm f/2.8 GM ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Tamron 28-75mm f/2.8 Di III VXD G2 if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics

Pick Sony FE 24-70mm f/2.8 GM if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Build

Tie

Compared on the build sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Sharpness

Sony FE 24-70mm f/2.8 GM

Compared on the sharpness sub-score

Sony FE 24-70mm f/2.8 GM leads on sharpness (90 vs 88).

Autofocus

Sony FE 24-70mm f/2.8 GM

Compared on the autofocus sub-score

Sony FE 24-70mm f/2.8 GM leads on af (89 vs 87).

Value for money

Tamron 28-75mm f/2.8 Di III VXD G2

Specdex score per dollar at MSRP

Tamron 28-75mm f/2.8 Di III VXD G2 more score per dollar ($899 vs $2,198).

Tamron 28-75mm f/2.8 Di III VXD G2 88
vs
90 Sony FE 24-70mm f/2.8 GM

Score breakdown

Tamron 28-75mm f/2.8 Di III VXD G2
88
sharpness 88
af 87
build 94
value 84
Sony FE 24-70mm f/2.8 GM
90
sharpness 90
af 89
build 94
value 84

Specs side-by-side

Tamron 28-75mm f/2.8 Di III VXD G2 versus Sony FE 24-70mm f/2.8 GM — full spec comparison
Spec Tamron 28-75mm f/2.8 Di III VXD G2 Sony FE 24-70mm f/2.8 GM

Tamron 28-75mm f/2.8 Di III VXD G2

Pros
  • +Fast autofocus
  • +Weather-sealed
  • +Premium optics
Cons
  • −Heavy
  • −Expensive
  • −Focus breathing varies

Sony FE 24-70mm f/2.8 GM

Pros
  • +Fast autofocus
  • +Weather-sealed
  • +Premium optics
Cons
  • −Heavy
  • −Expensive
  • −Focus breathing varies

FAQ: Tamron 28-75mm f/2.8 Di III VXD G2 vs Sony FE 24-70mm f/2.8 GM

Which is better, Tamron 28-75mm f/2.8 Di III VXD G2 or Sony FE 24-70mm f/2.8 GM? +

Sony FE 24-70mm f/2.8 GM scores 90 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is Tamron 28-75mm f/2.8 Di III VXD G2 worth the price? +

At $899, Tamron 28-75mm f/2.8 Di III VXD G2 delivers a Specdex score of 88 — strongest in build.

Is Sony FE 24-70mm f/2.8 GM worth the price? +

At $2,198, Sony FE 24-70mm f/2.8 GM delivers a Specdex score of 90 — strongest in build.

Does Tamron 28-75mm f/2.8 Di III VXD G2 or Sony FE 24-70mm f/2.8 GM last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for sharpness, Tamron 28-75mm f/2.8 Di III VXD G2 or Sony FE 24-70mm f/2.8 GM? +

Sony FE 24-70mm f/2.8 GM — leads on sharpness (90 vs 88). Compared on the sharpness sub-score.

Which is better for autofocus, Tamron 28-75mm f/2.8 Di III VXD G2 or Sony FE 24-70mm f/2.8 GM? +

Sony FE 24-70mm f/2.8 GM — leads on af (89 vs 87). Compared on the autofocus sub-score.