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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 price

Released Jan 2023

vs
FE 24-70mm F2.8 GM II

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 price

Released Apr 2022

FE 20-70mm F4 G is 9 months newer.

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Wins

4categories

FE 20-70mm F4 G

LandscapeTravel

Wins

3categories

FE 24-70mm F2.8 GM II

LandscapeSports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

FE 20-70mm F4 G wins 2 categories·FE 24-70mm F2.8 GM II wins 3 categories
  • 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

FE 20-70mm F4 GFE 24-70mm F2.8 GM II
Focal Length20-70 mm24-70 mm
Max Aperturef/4f/2.8
MountSony ESony E
CoverageFull FrameFull Frame
StabilizationNoNo
Weight488 g695 g
Min Focus30 cm21 cm
Filter Size72 mm82 mm

Size and weight, to scale

FE 20-70mm F4 G

76 × 99 mm

488 g (1.08 lb / 17.21 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

FE 24-70mm F2.8 GM II shown to 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

Use caseFE 20-70mm F4 GFE 24-70mm F2.8 GM II
Portrait
1.0Limited
4.5Fair
Sports & Action
5.5Fair
6.5Good
Video & Hybrid
5.0Fair
5.0Fair
Landscape
8.0Excellent
7.0Good
Travel
7.0Good
5.5Fair
Wildlife
3.0Limited
3.0Limited
Macro & Close-up
3.5Limited
3.5Limited

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.

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Full specifications

= category winner

FE 20-70mm F4 G
FE 24-70mm F2.8 GM II
Focal length (Min)
20 mm
24 mm
Focal length (Max)
70 mm
70 mm
Max aperture (Wide)
f/4
f/2.8+1 stop wider
Max aperture (Tele)
f/4
f/2.8+1 stop wider
Elements
16
20
Groups
13
15
Special elements
3 Aspherical, 1 ED, 1 Super ED
2 XA (extreme aspherical), 3 Aspherical, 2 ED, 2 Super ED
FE 20-70mm F4 G
FE 24-70mm F2.8 GM II
Min focus distance
30 cm
21 cm−9 cm less
Max magnification
0.39 ×+22%
0.32 ×
Autofocus motor
2 XD Linear Motors
4 XD Linear Motors
Internal focus
Yes
Yes
FE 20-70mm F4 G
FE 24-70mm F2.8 GM II
Optical stabilization
No
No
OIS effectiveness
0 stops
0 stops
FE 20-70mm F4 G
FE 24-70mm F2.8 GM II
Weight
488 g−207 g less
695 g
Length
99 mm−21 mm less
120 mm
Diameter
76 mm−12 mm less
88 mm
Filter thread size
72 mm
82 mm
Weather sealing
Yes
Yes
Diaphragm blades
7
11
FE 20-70mm F4 G
FE 24-70mm F2.8 GM II
Lens mount
Sony E
Sony E
Format coverage
Full Frame
Full Frame

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.