Sony a9 II Vs. a9 SD Cards Write Speed Comparison


Here is a comparison video about SD cards write speed tests on Sony a9 II and a9. From the result, we can see that Sony a9 II is much faster than a9 in 5 second burst:

Test 1: Use Single Sony SF-G Tough UHS-II Card (B&H/Adorama/Amazon)

  • Sony a9 – 34.56 Seconds – 102 files
  • Sony a9 II – 21.32 Seconds – 102 files

Test 2: Use Dual Sony SF-G Tough UHS-II Card

  • Sony a9 – 34.13 Seconds – 100 files
  • Sony a9 II – 26.25 Seconds – 103 files

Test 3: Use Single Sony SF-G UHS-II Card

  • Sony a9 – 28.53 Seconds – 100 files
  • Sony a9 II – 21.63 Seconds – 102 files

Test 4: Use Single Sony SF-M UHS-II Card (Amazon/B&H/Adorama)

  • Sony a9 – 40.77 Seconds – 103 files
  • Sony a9 II – 33.69 Seconds – 103 files