Nikon D7100 vs Pentax K-3 II

5.33 in
4.19 in
Nikon D7100 Digital Camera
vs
5.18 in
4.04 in
Pentax K-3 II Digital Camera

Full Comparison

Sensor

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Sensor type
CMOS
CMOS
Image sensor format
DX
APS-C
Sensor size
23.6, 15.6
23.5, 15.6
Sensor photo detectors
25 Mpx
25 Mpx
Effective pixels
24 Mpx
24 Mpx
Image ratio w:h
3:2, 16:9
3:2
Max resolution
6000, 4000
6016, 4000
Other resolutions
6000x3368, 4800x3200, 4800x2696, 4494x3000 , 4496x2528, 3600x2400, 3600x2024, 2992x2000, 2992x1680, 2400x1600 , 2400x1344
4608x3072, 3072x2048, 1920x1080

Image

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
ISO Auto
yesyes
yesyes
ISO minimum
100
100
ISO maximum
25600
51200
Maximum image resolution
6000, 4000
6016, 4000
White balance presets
12
9
White balance modes
Auto, Cloudy, Flash, Fluorescent, Incandescent, Manual, Shade, Sunny
Auto, Cloudy, Daylight, Flash, Fluorescent, Tungsten
Custom white balance
yesyes
Yes (3)
Supported image file formats
JPG, NEF, RAW
JPG, RAW
Photo effects
Neutral, Vivid
Black&White, Sepia
Image stabilizer
nono
yesyes
Image stabilization type
nono
Sensor-shift
Uncompressed format
RAW
RAW
HDR
yesyes
yesyes
AEB/HDR support
yesyes
yesyes

Optics and focus

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Lens mount
Nikon F
Pentax KAF2
Optical zoom
5.8 x
3 x
Magnification (Crop factor)
1.5 x
1.5 x
Maximum aperture
3.5
3.5
AF assist (auto-focus assist light)
Lamp
Lamp
Focus adjustment
Auto/Manual
Auto/Manual
Contrast autofocus
yesyes
yesyes
Contrast adjustment
yesyes
yesyes
Brightness adjustment
yesyes
yesyes
Autofocus in recording mode
yesyes
nono
Autofocus
Multi Point Auto Focus, Single Auto Focus
Continuous Auto Focus, Single Auto Focus
Manual focus
yesyes
yesyes
Number of focus points
51
27
Max number of AF points (incl. assistant)
51
27
Image stabiliser
Lens based only
Built-in
Filter diameter
3.03 in
2.83 in
Phase detection autofocus
yesyes
yesyes

Screen and viewfinder

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Screen size
3.20 in
3.20 in
Articulated LCD
Fixed
Fixed
Screen technology
LCD TFT
LCD TFT
Screen dots
1228800
1037000
Touch screen
nono
nono
Live view
yesyes
yesyes
Viewfinder
Electronic
Optical
Viewfinder coverage
100 %
100 %
Viewfinder magnification
0.94 x
0.95 x
Dioptre correction
yesyes
yesyes
Diopter adjustment (D-D)
2, 1
2.5, 1.5
Separate info display
yesyes
yesyes

Photography features

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Shooting modes
Auto, Manual
Aperture priority, Manual, Sensitivity priority, Shutter priority
Camera shutter type
Electronic
Electronic
Minimum shutter speed
30 s
30 s
Maximum shutter speed
1/8000 s
1/8000 s
Shutter priority
yesyes
yesyes
Aperture priority
yesyes
yesyes
Manual exposure mode
yesyes
yesyes
Number of exposures
2
2
Exposure compensation plus
5
5
Exposure compensation minus
-5
-5
Expousure compensation steps
1/3, 1/2
1/3, 1/2
Auto exposure lock
yesyes
yesyes
AE EV steps
1/3, 1/2, 2/3, 1, 2
1/3, 1/2
Continuous shooting
yesyes
yesyes
Self-timer delay
2, 5, 10, 20
2, 12
Histogram
yesyes
yesyes
AE frames
2, 3, 5
2, 3, 5
WB Bracketing
yesyes
nono
Subject / scene modes
yesyes
nono
Flash sync speed
1/320s
1/180s
Built-in flash
yesyes
nono
Flash modes
Flash OFF, Flash ON
Auto, Redeye Reduction, Flash ON, Slow Sync, Trailing-curtain Sync, High-speed Sync, Wireless Sync
External flash connection
Hot shoe
Hot shoe
Flash metering system
i-TTL
P-TTL
External flash
yesyes
yesyes
Continuous drive
6.0 fps
8.3 fps
Scene modes
Portrait, Landscape (scenery)
Portrait, Landscape (scenery)
Self-timer
yesyes
yesyes
Metering modes
Multi, Center-weighted, Average, Spot
Multi, Center-weighted, Spot
Manual settings
yesyes
yesyes
Self-timer options
2, 10
2, 12
Speed (JPEG)
6 fps
8.3 fps
Speed (RAW)
6 fps
8.3 fps
Exposure bracketing
0.3 - 3.0±EV
0.3 - 0.5±EV

Videography features

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Maximum resolution
1920, 1080
1920, 1080
Video recording
yesyes
yesyes
HD type
Full HD
Full HD
Supported video file formats
H.264, MPEG-4
AVC, AVI, H.264, MOV, MPEG-4
Camera playback
Movie, Single image, Slide show, Thumbnails
Movie, Single image, Slide show
Max resolution (highest frame rate)
1920x1080
1280x720
Max frame rate (highest resolution)
30 fps
30 fps
Max frame rate (regardless of res.)
60 fps
60 fps

Audio features

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Built-in microphone
yesyes
yesyes
Microphone type
Stereo
Mono
Speaker type
Mono
Mono

Design

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Body type
SLR
SLR
Body material
Aluminum-magnesium
Magnesium, Metal
Colour of product
Black
Black
Anti-dust system
yesyes
yesyes
Environmentally sealed
yesyes
yesyes

Dimensions

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Weight
1.49 lb
1.54 lb
Width
5.33 in
5.18 in
Height
4.19 in
4.04 in
Depth
2.99 in
3.05 in

Storage

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Compatible memory cards
SD, SDHC, SDXC
Eye-Fi, FLU, SD, SDHC, SDXC
Storage types
SD, SDHC, SDXC
Dual SD, SDHC, SDXC
Camera file system
DCF 2.0, DPOF 1.1, Exif 2.3
DCF 2.0, Exif 2.3

Power

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Power source type
Battery
Battery
Battery life (CIPA)
950
720
Battery technology
Lithium-Ion (Li-Ion)
Lithium-Ion (Li-Ion)
Number of batteries supported
1
1

Connectivity

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
HDMI
nono
yesyes
HDMI connector type
Mini
Micro
USB connector type
Mini-USB B
Micro-USB B
USB version
2.0
3.1
Microphone port
yesyes
yesyes
Wireless
Optional
Optional
DC-in jack
yesyes
yesyes
Remote control
yesyes
yesyes
PictBridge
yesyes
nono
NFC
nono
nono
Wireless network (Wi-Fi)
yesyes
nono
Firewire
nono
nono

Other features

Nikon D7100Nikon D7100Pentax K-3 IIPentax K-3 II
Timelapse recording
yesyes
yesyes
GPS
yesyes
yesyes
Orientation sensor
yesyes
yesyes
Energy Star certified
nono
nono
Languages support
Multi
CZE, DAN, DEU, DUT, ENG, ESP, FIN, FRE, GRE, INC, ITA, POL, POR, RUS, SWE, TUR
Image editing modes
Crop, Resizing, Rotating, Trimming
Crop, Resizing, Rotating

Often compared with D7100

Often compared with K-3 II