Camera Comparisons

Nikon D7100 vs Pentax K-3 II – Comparison

Let’s compare the Nikon D7100 vs Pentax K-3 II.

Our comparison table below covers all the important specifications of each camera. Below that, we specifically talk about the new improvements and which model is better suited for your needs.

Nikon D7100Pentax K-3 II
Megapixels24.124.3
Sensor TypeCMOSCMOS
Sensor FormatAPS-C (DX)APS-C
Crop Factor1.5x1.5x
AA FilterNoneOn/Off
Image Resolution6000 x 40006016 x 4000
Body Image StabilizationNoYes
Lens MountNikon FX/DXPentax K
ISO100 - 6,400100 - 51,200
Expanded ISO25,600None
AF Points5127
Cross-type AF Points1525
Continuous Mode6fps8fps
LCD3.2" - Fixed3.2" - Fixed
LCD Resolution1,228,800 dots1,036,800 dots
TouchscreenNoNo
Focus PeakingNoYes
Top LCD DisplayYesYes
Viewfinder TypeOpticalOptical
Viewfinder Coverage100%100%
Viewfinder Magnification0.94x0.95x
Video Resolution1920x1080 (60/50/30/25/24p)1920x1080 (60i/50i/30/25/24p)
 1280x720 (60/50p)1280x720 (60/50p)
Microphone JackYesYes
Headphone JackYesYes
Memory Card TypeSD + SDSD + SD
Dual Card SlotsYesYes
SD UHS SupportUHS-IUHS-I
Fastest Shutter Speed1/80001/8000
Slowest Shutter Speed30"30"
Bulb ModeYesYes
JPEG Buffer Size1260
RAW Buffer Size522
Time LapseYesYes
Built-in FlashYesNo
Max Flash Sync Speed1/2501/180
Startup Time0.3s1.2s
Built-in Wi-FiNoNo
Built-in GPSNoYes
Built- in NFCNoNo
BluetoothNoNo
USB TypeUSB 2.0USB 3.0
Environmentally SealedYesYes
Battery Life (CIPA)950 shots720 shots
Battery IncludedYes (EN-EL15)Yes (D-LI90)
Weight27.0 oz (765g)27.07 oz (785g)
Size5.3 x 4.2 x 3.0"5.2 x 4.0 x 3.1"
PriceAmazonAmazon
Release Date20132015

Nikon D7100 Advantages:

  • AF Points – 51 vs 27
  • LCD Resolution – Higher resolution.
  • Built-in Flash
  • Max Flash Sync Speed – 1/250 vs 1/180.
  • Battery Life – 950 shots vs 720 shots.

You can buy it at Amazon or read more reviews.

Pentax K-3 II Advantages:

  • AA Filter – You can turn it on and off.
  • Body Image Stabilization – The Pentax K-3 II has built-in body stabilization for photos and videos, which is an excellent feature for traveling and shooting in low light.
  • ISO –  51,200 vs 25,600. Higher maximum ISO sensitivity.
  • Cross-type AF Points – 25 vs 15.
  • Continuous mode – 8fps vs 6fps. More is better for sports and wildlife since you have more chances of getting a tack sharp shot.
  • Focus Peaking – Very useful for seeing if your subject is in focus (both photo and video).
  • JPEG Buffer Size – 60 vs 12.
  • RAW Buffer Size – 22 vs 5.
  • Built-in GPS
  • USB 3.0 – Faster file transferring out the camera.

You can buy it at Amazon or read more reviews.

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