Sony FX3 vs Canon EOS C80

Sony FX3 wins — Sony FX3 is the better choice for most indie filmmakers — its full-frame low-light advantage at $1500 less is the decisi…

Scores: Sony FX3 9/10 · Canon EOS C80 9/10

Sony FX3 is the better choice for most indie filmmakers — its full-frame low-light advantage at $1500 less is the decisive factor for narrative and documentary work. Canon C80 earns its premium for commercial and broadcast operators who need internal ND, SDI, and 180fps slow motion in a single box. Both are excellent; the application determines the winner.

Sony FX3 lists at $3,999 while Canon EOS C80 lists at $5,499 — Sony FX3 undercuts Canon EOS C80 by $1,500 (38%).

Spec-by-spec comparison

Sony FX3Canon EOS C80
sensor12.1MP full-frame BSI CMOS (same as A7S III)Super 35 Cinema CMOS with Dual Pixel AF II
video4K 120p, 4K 60p 10-bit 4:2:2 internal, S-Log34K 180p RAW-Light internal, 4K 60p Cinema RAW Light
isoNative ISO 12,800 — usable up to ISO 102,400Native ISO 800 / 3200 (dual native)
stabilization5-axis in-body, 3 microphone capsules built-in—
recordingXAVC S-I, XAVC HS (H.265)CFexpress Type A, internal ND 2-10 stops built-in
weight715g body only990g body

Sony FX3

What works

  • ISO 12,800 native delivers usable 4K footage in candlelit environments where C80 shows visible noise
  • 4K 120p for slow motion is available internally — C80 requires external recorder for 120fps at this resolution
  • 715g compact body with cinema cage support means it handholds like a mirrorless while shooting cinema codec

What doesn't

  • 12.1MP still resolution limits photo versatility for hybrid shooters
  • No built-in ND filter — external matte box or variable ND required for outdoor run-and-gun work
  • No 3G-SDI output — broadcast and multi-camera live production workflows require adapters

Canon EOS C80

What works

  • Built-in 2-10 stop ND filter eliminates the external matte box for outdoor daylight work — a real workflow advantage
  • 4K 180fps in Cinema RAW Light — Sony's 4K 120p is the upper bound with no equivalent frame rate
  • 3G-SDI built-in enables multi-camera broadcast workflows without adapters

What doesn't

  • 990g body is 275g heavier than FX3 — meaningful for handheld and gimbal operators over 6-hour shoots
  • $5499 is $1500 more than FX3 for a Super 35 sensor that loses 1.5 stops of low-light vs FX3's full-frame
  • Dual Pixel AF is excellent but FX3's phase-detect AF is faster on fast-moving subjects in certain scenarios

Bottom line

Our pick: Canon EOS C80. It edges out the alternative on built-in 2-10 stop nd filter eliminates the external matte box for outdoor daylight work — a real workflow advantage. That said, Sony FX3 still wins on iso 12,800 native delivers usable 4k footage in candlelit environments where c80 shows visible noise — consider it if that single trade matters most for your use.

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