Sony
FE 20-70mm F4 G
Sony E Mount
FE 20-70mm F4 G — 20–70mm f/4 for Sony E, a popular choice in the sony lineup.
$1,099
Launch priceReleased Jan 2023

Sony
FE 24-70mm F2.8 GM II
Sony E Mount
The ultimate standard zoom — incredibly sharp, exceptionally compact, and built for professionals.
$2,299
Launch priceReleased Apr 2022
FE 20-70mm F4 G is 9 months newer.
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Wins
FE 20-70mm F4 G
Wins
FE 24-70mm F2.8 GM II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFE 24-70mm F2.8 GM II has lower Max aperture (Wide) (f/2.8 vs f/4)
- BFE 24-70mm F2.8 GM II has lower Max aperture (Tele) (f/2.8 vs f/4)
- BFE 24-70mm F2.8 GM II has lower Min focus distance (21 cm vs 30 cm)
- AFE 20-70mm F4 G has lower Weight (488 g vs 695 g)
- AFE 20-70mm F4 G has higher Max magnification (0.39 × vs 0.32 ×)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareFE 20-70mm F4 G
⌀76 × 99 mm
488 g (1.08 lb / 17.21 oz)

Credit card
85.6 × 54 mm
for scale

FE 24-70mm F2.8 GM II
⌀88 × 120 mm
695 g (1.53 lb / 24.52 oz)
FE 20-70mm F4 G is 21mm shorter and 12mm narrower than FE 24-70mm F2.8 GM II.
FE 20-70mm F4 G is 207 g lighter than FE 24-70mm F2.8 GM II.
Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose the FE 20-70mm F4 G
- ✓
Special elements
Adds 1 ED, 1 Super ED
- ✓
Weight
488 g vs 695 g — lower is better
- ✓
Length
99 mm vs 120 mm — lower is better
- ✓
Diameter
76 mm vs 88 mm — lower is better
- ✓
Max magnification
0.39 × vs 0.32 × — higher is better
Reasons to choose the FE 24-70mm F2.8 GM II
- ✓
Special elements
Adds 2 XA (extreme aspherical), 2 ED, 2 Super ED
- ✓
Custom function button
Only FE 24-70mm F2.8 GM II supports it
- ✓
Max aperture (Wide)
f/2.8 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
- ✓
Min focus distance
21 cm vs 30 cm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
FE 20-70mm F4 G
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Sony E mount compatibility
Cons
- –No optical stabilization — relies on body IBIS
- –Slower maximum aperture limits low-light performance
FE 24-70mm F2.8 GM II
Pros
- ✓Outstanding sharpness across the entire zoom range
- ✓Remarkably small and lightweight for an f/2.8 zoom
- ✓Four XD Linear focus motors provide blazing-fast AF tracking
- ✓Excellent close-up magnification
- ✓De-clickable aperture ring and customized function buttons
Cons
- –No built-in optical image stabilization (relies on body IBIS)
- –High launch price
- –Aperture ring can be easily bumped if not locked
Decided which one is right for you?
Compare live prices for the FE 20-70mm F4 G and FE 24-70mm F2.8 GM II at major authorized retailers.
Sony FE 20-70mm F4 G
Sony FE 24-70mm F2.8 GM II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.