Camera comparison

Sony a6100 vs a6600: what actually changes

What changes for your kit, what stays the same, and the two drawn to one scale. From Sony's published specifications.

What changes

  • In-body stabilisation: only the a6600 has it, so every lens is steadied there, including unstabilised primes.
  • Weight: the a6600 weighs 107 g more (503 g against 396 g with battery and card).
  • Batteries differ: NP-FW50 and NP-FZ100 (about 420 and 810 shots); spares do not swap.
  • Video: 4K up to 30p on the a6100; 4K up to 30p (24p from the full width) on the a6600.
  • Headphone socket: only the a6600.

The same on both

  • Same Sony E mount: every one of the 158 lenses fits both.
  • Similar resolution: 24.2 and 24.2 MP.
a6100
120 × 66.9 mm
a6600
120 × 66.9 mm
Card
to scale
Front, to one scale, from the makers' published sizes. Details simplified.

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Side by side

Differences only, as set.

2 cameras side by side, differences only
CameraSony a6100Sony a6600
Lens mountSameSony ESony E
SensorSameAPS-C 23.5 × 15.6 mm, 24.2 MPAPS-C 23.5 × 15.6 mm, 24.2 MP
In-body stabilisationNoYes
Viewfinder1.44M-dot electronic2.36M-dot electronic
Rear screenSame3" tilts up 180°, touch3" tilts up 180°, touch
Fastest burstSame11 fps mechanical11 fps mechanical
Video4K up to 30p4K up to 30p (24p from the full width)
Memory cardsSame1 slot, SD / Memory Stick, UHS-I1 slot, SD / Memory Stick, UHS-I
BatteryNP-FW50, about 420 shotsNP-FZ100, about 810 shots
Charges over USBSameYesYes
Microphone socketSameYesYes
Headphone socketNoYes
Built-in flashYesNo
Weather sealingNoNot stated
Size (W × H × D)120 × 66.9 × 59.4 mm120 × 66.9 × 69.3 mm
Weight with battery and card396 g503 g
AnnouncedSame20192019
Lenses that fit158158
Where to buyCheck price on AmazonSony pageCheck price on AmazonSony page

How big each one is

The a6600 is the same width, the same height and 9.9 mm deeper than the a6100 (120 − 120 = 0 mm wide).

a6100
120 × 59.4 mm
a6600
120 × 69.3 mm
From above: the depth includes the grip.

Choose by what matters to you

  • The a6100 if weight matters most.
  • The a6600 if you want every lens stabilised, or you record video with sound, or you want more shots per charge.
Add more cameras or a lens to the size comparison

The lenses each one takes

Both take the same 158 lenses on the Sony E mount, so a lens bought for one moves to the other. The a6100 is usually sold with the Sony E PZ 16-50mm F3.5-5.6 OSS; the a6600 with the Sony E 18-135mm F3.5-5.6 OSS.

a6100: first picks

All lenses for the a6100

a6600: first picks

All lenses for the a6600

Questions

Which is lighter, the a6100 or the a6600?

The a6100: 396 g against 503 g, each with battery and card, by the makers' figures.

Do a6100 lenses fit the a6600?

Yes. Both use the Sony E mount.

Do the a6100 and a6600 use the same battery?

No: the a6100 takes the NP-FW50 and the a6600 the NP-FZ100.

Facts checked 9 Oct 2026 against the makers' specification pages. How we check