Categories
Impartial price comparison
Nikon D100 vs. Sony Alpha A7 III + 9
AF assist (auto-focus assist light)
Lamp
no
Lamp
Lamp
Flash
Lamp
Lamp
Lamp
Contrast autofocus
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Number of AF points (contrast)
425 ​
425 ​
25 ​
91 ​
Phase detection autofocus
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
AF support
Yes - with all AF lenses
Only lenses with AF-motor
Yes - with all AF lenses
Yes - with all AF lenses
Only lenses with AF-motor
Only lenses with AF-motor
Yes - with all AF lenses
Yes - with all AF lenses
Max number of AF points (incl. assistant)
693 ​
9 ​
425 ​
143 ​
45 ​
425 ​
179 ​
91 ​
Bluetooth
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Bluetooth version
4.1
4.1
4.1
4.1
4.1
4.2
4.2
4.2
4.2
GPS
No
No
No
No
No
No
No
No
No
No
No
NFC
No
Yes
No
Yes
Yes
No
No
No
No
Yes
No
Wireless network (Wi-Fi)
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Compatible lenses (without adapter)
Nikon FX
Sony E, Sony FE
Canon EF, Canon EF-S
Sony E, Sony FE
Canon EF-S, Canon EF-M
Canon EF, Canon EF-S
Canon RF
Fujifilm X
Fujifilm X
Sony E, Sony FE
Fujifilm X
Lens included
No
No
No
No
No
No
No
No
No
No
No
Firewire
No
No
No
No
No
No
No
No
No
No
No
HDMI
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Microphone input
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
USB
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
USB version
1.1
3 (Gen 2)
2.0
2.0
2.0
2.0
3 (Gen 2)
3 (Gen 1)
3 (Gen 2)
2.0
3 (Gen 1)
Available colours
Black
Black
Black, Silver, Brown
Black
Black, White
Black
Black
Black, Silver
Black, Silver
Black, White, Silver, Grey
Black, Silver, Grey
Dimensions (WxHxD)
Depth
80 mm
73.7 mm
69.8 mm
60 mm
58.7 mm
76.8 mm
88.4 mm
63.8 mm
58.8 mm
45 mm
46.8 mm
Height
116 mm
95.6 mm
92.6 mm
67 mm
88.1 mm
104.8 mm
97.5 mm
92.8 mm
92.8 mm
67 mm
82.8 mm
Width
144 mm
126.9 mm
122.4 mm
120 mm
116.3 mm
140.7 mm
138 mm
124.6 mm
132.5 mm
120 mm
118.4 mm
Product weight
700 g
650 g
449 g
403 g
387 g
701 g
680 g
526 g
539 g
344 g
383 g
Articulated screen
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Number of pixels (EVF)
2360000 pixels
2360000 pixels
2360000 pixels
3690000 pixels
3690000 pixels
3690000 pixels
1440000 pixels
2360000 pixels
Number of pixels (screen)
118 pixels
921600 pixels
1040000 pixels
921600 pixels
1040000 pixels
1040000 pixels
1620000 pixels
1620000 pixels
3690000 pixels
921600 pixels
1040000 pixels
Screen size
1.8 inches
3 inches
3 inches
3 inches
3 inches
3 inches
3 inches
3 inches
3 inches
3 inches
3 inches
Separate info display
No
No
No
No
No
No
No
No
No
Touchscreen
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Viewfinder coverage
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
Viewfinder magnification
0.8 x
0.78 x
0.87 x
1.07 x
0.95 x
0.76 x
0.75 x
0.75 x
1.07 x
0.62 x
Viewfinder
Optical, LCD screen (LiveView)
LCD screen (LiveView), EVF (electronic)
Optical, LCD screen (LiveView)
LCD screen (LiveView), EVF (electronic)
LCD screen (LiveView), EVF (electronic)
Optical, LCD screen (LiveView), EVF (electronic)
LCD screen (LiveView), EVF (electronic)
LCD screen (LiveView), EVF (electronic)
LCD screen (LiveView), EVF (electronic)
LCD screen (LiveView), EVF (electronic)
LCD screen (LiveView), EVF (electronic)
Weather proof (moisture/dust)
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
External flash connection
Hot shoe
Hot shoe
Hot shoe
Hot shoe
Hot shoe
Hot shoe
Hot shoe
Hot shoe
Hot shoe
Flash
Built-in and external
External
Built-in and external
Built-in and external
Built-in and external
Built-in and external
External
External
External
Built-in and external
Built-in and external
Flash metering system
D-TTL (Nikon)
TTL
E-TTL (Canon), E-TTL II (Canon)
TTL
E-TTL II (Canon)
E-TTL II (Canon)
E-TTL II (Canon)
TTL
TTL
TTL
TTL
X-sync speed
1/180 s
1/250 s
1/200 s
1/160 s
1/200 s
1/250 s
1/250 s
1/250 s
1/160 s
1/180 s
Anti-dust system
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Image stabiliser
Built-in
no
Lens based only
Lens based only
Lens based only
Built-in
Built-in
Lens based only
Lens based only
Lens based only
Magnification (Crop factor)
1 x
1.6 x
1.5 x
1.6 x
1.6 x
1 x
1.5 x
1.5 x
1.5 x
1.5 x
Type of camera
Digital SLR
Mirrorless
Digital SLR
Mirrorless
Mirrorless
Digital SLR
Mirrorless
Mirrorless
Mirrorless
Mirrorless
Mirrorless
AEB/HDR support
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Built-in HDR function
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Exposure bracketing
0.3 - 3.0 ±EV
0.3 - 2.0 ±EV
0.3 - 3.0 ±EV
0.3 - 3.0 ±EV
0.3 - 3.0 ±EV
0.3 - 3.0 ±EV
0.3 - 3.0 ±EV
0.3 - 3.0 ±EV
0.3 - 3.0 ±EV
Number of exposures
3 - 9 images
3 images
3 - 9 images
3 images
3 - 9 images
3 - 5 images
2 - 9 images
Continuous shooting
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Frames (JPEG maximum speed)
163 images
99 images
47 images
58 images
1000 images
100 images
79 images
47 images
32 images
Number (RAW, max speed)
40 images
46 images
33 images
25 images
360 images
38 images
36 images
22 images
17 images
Speed (JPEG)
10 frames/s
5 frames/s
11 frames/s
7.4 frames/s
10 frames/s
20 frames/s
15 frames/s
20 frames/s
11 frames/s
20 frames/s
Speed (RAW)
10 frames/s
5 frames/s
11 frames/s
10 frames/s
10 frames/s
20 frames/s
20 frames/s
11 frames/s
20 frames/s
File format (Still)
JPEG, TIFF, RAW, NEF (RAW)
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
JPEG, RAW
Image sensor format
APS-C
Full format (35 mm)
APS-C
APS-C
APS-C
APS-C
Full format (35 mm)
APS-C
APS-C
APS-C
APS-C
ISO sensitivity (basic ISO)
200 - 1600 ISO
100 - 51200 ISO
100 - 25600 ISO
100 - 32000 ISO
100 - 25600 ISO
100 - 51200 ISO
100 - 102400 ISO
160 - 12800 ISO
160 - 12800 ISO
100 - 25600 ISO
200 - 12800 ISO
Maximum resolution (stills)
3008x2000 pixels
6000x4000 pixels
6000x4000 pixels
6000x4000 pixels
6000x4000 pixels
6240x4160 pixels
6240x4160 pixels
6000x4000 pixels
6240x4160 pixels
Sensor format
23.7 x 15.6 mm
35.8 x 23.8 mm
22.3 x 14.9 mm
23.5 x 15.6 mm
22.3 x 14.9 mm
22.3 x 14.9 mm
24 x 36 mm
23.5 x 15.6 mm
23.5 x 15.6 mm
23.5 x 15.6 mm
Sensor resolution (Effective number of pixels)
6.1 megapixels
24.2 megapixels
24.1 megapixels
24.2 megapixels
24.1 megapixels
32.5 megapixels
20.1 megapixels
26.1 megapixels
26 megapixels
24.3 megapixels
26.1 megapixels
Sensor type
CCD
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Shutter speed
30 - 1/4000 s
30 - 1/8000 s
30 - 1/4000 s
30 - 1/4000 s
30 - 1/4000 s
30 - 1/8000 s
30 - 1/8000 s
30 - 1/32000 s
30 - 1/4000 s
30 - 1/4000 s
Video recording
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Autofocus in recording mode
Yes - Contrast-AF
Yes - Contrast-AF
Yes - Contrast-AF
Yes - Contrast-AF
Yes - Contrast-AF
Yes - Contrast-AF
Max resolution (video)
3840x2160p pixels
3840x2160p pixels
3840x2160p pixels
3840x2160p pixels
3840x2160p pixels
3840x2160p pixels
4096x2160p pixels
3840x2160p pixels
1920x1080p pixels
4096x2160p pixels
Max frame rate (highest resolution)
30 fps
25 fps
30 fps
25 fps
30 fps
120 fps
59.94 fps
60 fps
60 fps
30 fps
Max frame rate (regardless of res.)
120 fps
50 fps
120 fps
120 fps
120 fps
60 fps
240 fps
120 fps
60 fps
120 fps
Max resolution (highest frame rate)
1920x1080p pixels
1920x1080p pixels
1920x1080p pixels
1280x720p pixels
1920x1080p pixels
1920x1080p pixels
1920x1080p pixels
1920x1080p pixels
1920x1080p pixels
Video file formats
AVCHD, XAVC S, AVC/H.264 .mp4
AVC/H.264 .mov, AVC/H.264 .mp4
AVCHD, XAVC S, AVC/H.264 .mp4
AVC/H.264 .mp4
AVC/H.264 .mp4
AVC/H.264 .mp4, HEVC/H.265
AVC/H.264 .mov, AVC/H.264 .mp4, HEVC/H.265
AVC/H.264 .mp4, HEVC/H.265
AVCHD, XAVC S, AVC/H.264 .mp4
AVC/H.264 .mov
With audio
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Yes - via the built-in and external mic
Release year
2018
2019
2019
2018
2019
2020
2020
2018
2014
2019
Battery capacity (CIPA)
710 images
1070 images
360 images
235 images
1300 images
600 images
390 images
360 images
380 images
Battery type
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Compatible memory cards
Compact Flash, Micro Drive, Compact Flash II
Secure Digital, Memory Stick Duo, Memory Stick Pro Duo, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Secure Digital, Memory Stick Pro Duo, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Secure Digital, Memory Stick Pro Duo, Secure Digital HC, Secure Digital XC
Secure Digital, Secure Digital HC, Secure Digital XC
Storage features
Dual memory card slots
Dual memory card slots
Dual memory card slots
Dual memory card slots