Should I upgrade from the Sony Alpha A6400 to the Sony Alpha A6700?
Upgrading is likely worth it. Both use the Sony E / FE mount, so your lenses fit directly.
What you gain
- 26MP instead of 24MP
- better video (4K 120p (crop) vs 4K 30p)
- cleaner high ISO
- in-body stabilisation
- 4 years of newer processing and autofocus (2019 → 2023)
What you give up
- a heavier body (493g vs 403g)
What it costs
| Alpha A6700 new | £1,329 |
| Alpha A6700 used (MPB, typical) | £1,150 |
| Your Alpha A6400 trade-in (rough estimate) | ≈ £350 |
| Net cost buying used | ≈ £800 |
Trade-in estimates assume about two-thirds of the typical MPB resale price; real offers vary with condition and shutter count.
Specs side by side
Sony Alpha A6400 specs · Sony Alpha A6700 specs · full comparison · best lenses for the Alpha A6700
Other upgrade paths
Frequently asked questions
Should I upgrade from the Sony Alpha A6400 to the Sony Alpha A6700?
The upgrade is likely worth it. You gain 26MP instead of 24MP, better video (4K 120p (crop) vs 4K 30p), cleaner high ISO, in-body stabilisation, but you lose a heavier body (493g vs 403g).
How much does it cost to upgrade from the Alpha A6400 to the Alpha A6700?
The Alpha A6700 costs £1,329 new and about £1,150 used at MPB. Trading in a used Alpha A6400 might bring roughly £350, so the net cost is around £800 buying used (a rough estimate: get quotes from MPB, Wex and Park Cameras).
Will my Alpha A6400 lenses work on the Alpha A6700?
Both use the Sony E / FE mount, so your lenses fit directly.