Sony
Sony FE 20mm f/1.8 G
Prime/Zoom
90
/ 100
From $898
VS
Sony
Sony FE 24-70mm f/2.8 GM
Prime/Zoom
90
/ 100
From $2,198
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sony FE 20mm f/1.8 G lands at 90 and Sony FE 24-70mm f/2.8 GM at 90. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Sony FE 20mm f/1.8 G if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Pick Sony FE 24-70mm f/2.8 GM if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Sony FE 20mm f/1.8 G 90
vs 90 Sony FE 24-70mm f/2.8 GM
Score breakdown
Sony FE 20mm f/1.8 G
90 sharpness 90
af 88
build 88
value 85
Sony FE 24-70mm f/2.8 GM
90 sharpness 90
af 89
build 94
value 84
Specs side-by-side
| Spec | Sony FE 20mm f/1.8 G | Sony FE 24-70mm f/2.8 GM |
|---|
Sony FE 20mm f/1.8 G
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
Sony FE 24-70mm f/2.8 GM
Pros
- +Fast autofocus
- +Weather-sealed
- +Premium optics
Cons
- −Heavy
- −Expensive
- −Focus breathing varies
FAQ: Sony FE 20mm f/1.8 G vs Sony FE 24-70mm f/2.8 GM
Which is better, Sony FE 20mm f/1.8 G or Sony FE 24-70mm f/2.8 GM? +
Both score 90 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Sony FE 20mm f/1.8 G worth the price? +
At $898, Sony FE 20mm f/1.8 G delivers a Specdex score of 90 — strongest in sharpness.
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 Sony FE 20mm f/1.8 G 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.