Camera comparison · updated 5 November 2026

Sony Alpha A7R III vs Nikon Z7

Sony Alpha A7R III has the edge on paper, but the right choice depends on what you shoot. The Alpha A7R III is the better pick for portraits.

Choose the Alpha A7R III for

  • faster bursts (10fps vs 9fps)
  • a lighter body (657g vs 675g)
  • a lower price (from £674)
  • more lenses in our database (105 vs 54)

Choose the Z7 for

  • more resolution (45.7MP vs 42MP)
  • a newer design (2018)

Specs side by side

SpecAlpha A7R IIIZ7
SensorFull frame, 42MPFull frame, 45.7MP
MountSony FE (full frame)Nikon Z
Released20172018
Burst10 fps9 fps
Readout——
Max ISO32,00025,600
StabilisationIn-bodyIn-body
Video4K 30p4K 30p
Weather sealedYesYes
ViewfinderElectronicElectronic
Weight657 g675 g
BatterySony NP-FZ100Nikon EN-EL15c
Card slots2× SD (UHS-II)XQD/CFexpress B (single)
New priceNo longer sold newNo longer sold new
Used at MPB£674–849£699–739
Native lenses in our database105 (82 third-party)54 (31 third-party)

Which is better for…

UseBetter choice
Beginner-friendlyAbout equal
Everyday & travelAbout equal
PortraitsAlpha A7R III
LandscapeAbout equal
Wildlife & animalsAbout equal
Sports & actionAbout equal
AstrophotographyAbout equal
Vlogging & videoAbout equal
Vintage / film lookAbout equal

Based on the specs that matter most for each type of photography: burst and readout for action, resolution for landscapes, sensor size and low light for portraits and astro, video and weight for vlogging.

Lenses and running costs

The Alpha A7R III uses Sony E / FE (105 lenses in our database, 82 third-party) and the Z7 uses Nikon Z (54 lenses, 31 third-party). Batteries: Sony NP-FZ100 (about £65) vs Nikon EN-EL15c (about £51).

Alpha A7R III compatible lenses → · Z7 compatible lenses → ·

Frequently asked questions

Is the Sony Alpha A7R III better than the Nikon Z7?

It depends on your priorities. The Alpha A7R III offers faster bursts (10fps vs 9fps), a lighter body (657g vs 675g), a lower price (from £674); the Z7 offers more resolution (45.7MP vs 42MP), a newer design (2018).

Which is better for video, the Alpha A7R III or the Z7?

They are closely matched for video (4K 30p vs 4K 30p); stabilisation and lens choice will decide it.

Which is cheaper, the Alpha A7R III or the Z7?

The Alpha A7R III costs No longer sold new new and from £674 used at MPB; the Z7 costs No longer sold new new and from £699 used (checked 5 November 2026).

Can I use Sony Alpha A7R III lenses on the Z7?

Not directly. The Alpha A7R III uses Sony E / FE and the Z7 uses Nikon Z; switching usually means new lenses or an adapter where one exists.

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