4.88 in 3.86 in  | 5.0 in 3.72 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Nikon D3400 |  Sony a7 | |
|---|---|---|
| Sensor type | CMOS | Exmor CMOS |
| Image sensor format | DX | Full frame |
| Sensor size | 0.93 in | 1.41 in |
| Sensor photo detectors | 25.0 Mpx | 25.0 Mpx |
| Effective pixels | 24.0 Mpx | 24.0 Mpx |
| Image ratio w:h | 3:2 | 3:2 |
| Max resolution | 6000 x 4000 px | 6000 x 4000 px |
| Other resolutions |
|
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| Processor | Expeed 4 | BIONZ X |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| ISO |
|
|
| ISO minimum | 100 | 50 |
| ISO maximum | 25600 | 25600 |
| Maximum image resolution | 6000 x 4000 px | 6000 x 4000 px |
| White balance presets | 12 | 10 |
| White balance modes |
|
|
| Custom white balance | yes | yes |
| Supported image file formats |
|
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| Photo effects |
|
|
| Image stabilizer | yes | no |
| Image stabilization type | No | No |
| Uncompressed format | RAW | RAW |
| AEB/HDR support | no | yes |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Lens mount | Nikon F | Sony E-mount |
| Magnification (Crop factor) | 1.5 x | 0.71 x |
| Maximum aperture | 3.5 | 22 |
| AF assist (auto-focus assist light) | Lamp | Lamp |
| Focus adjustment | Auto | Manual |
| Contrast autofocus | yes | yes |
| Autofocus in recording mode | yes | yes |
| Autofocus | Contrast Detection Auto Focus |
|
| Auto Focus (AF) lock | yes | yes |
| Manual focus | yes | yes |
| Number of focus points | 11 | 25 |
| Max number of AF points (incl. assistant) | 11 | 117 |
| Image stabiliser | Lens based only | Optical |
| Filter diameter | 2.17 in | 2.17 in |
| Phase detection autofocus | yes | yes |
| Number of AF points (contrast) | 11 | 25 |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Screen size | 3.0 in | 3.0 in |
| Articulated LCD | no | yes |
| Screen technology | LCD | LCD |
| Screen dots | 921000 | 1230000 |
| Touch screen | no | yes |
| Field of view | 100.0 % | 100.0 % |
| Live view | yes | yes |
| Viewfinder |
| Electronic |
| Viewfinder coverage | 95.0 % | 100.0 % |
| Viewfinder magnification | 0.85 x | 0.71 x |
| Diopter adjustment (D-D) | -1.7 - 0.5 | -4 - 3 |
| Separate info display | no | no |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Shooting modes |
|
|
| Camera shutter type | Electronic | Electronic |
| Minimum shutter speed | 30.0 s | 30.0 s |
| Maximum shutter speed | 1.0 s | 1.0 s |
| Shutter priority | yes | yes |
| Aperture priority | yes | yes |
| Manual exposure mode | yes | yes |
| Exposure compensation plus | 5 | 5 |
| Exposure compensation minus | -5 | -5 |
| Expousure compensation steps | 1/3 |
|
| Auto exposure lock | yes | yes |
| Continuous shooting | yes | yes |
| Self-timer delay |
| 3.0 s |
| Histogram | yes | yes |
| WB Bracketing | No | Yes |
| Subject / scene modes | yes | yes |
| Flash sync speed | 1/200s | 1/250s |
| Built-in flash | yes | yes |
| Flash modes | Auto |
|
| External flash connection | Hot shoe | Hot shoe |
| Flash metering system | i-TTL | TTL |
| External flash | yes | yes |
| Continuous drive | 5.0 fps | 5.0 fps |
| Scene modes |
|
|
| Self-timer | yes | yes |
| Metering modes |
|
|
| Manual settings | yes | yes |
| Self-timer options |
|
|
| Speed (JPEG) | 5.0 fps | 5.0 fps |
| Speed (RAW) | 5.0 fps | 5.0 fps |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Maximum resolution | 1920 x 1080 px | 1920 x 1080 px |
| Video recording | yes | yes |
| Recording resolutions |
|
|
| HD type | Full HD | Full HD |
| Supported video file formats | MOV |
|
| Camera playback |
|
|
| Max resolution (highest frame rate) | 1920 x 1080 | 1920 x 1080 |
| Max frame rate (highest resolution) | 60.0 fps | 60.0 fps |
| Max frame rate (regardless of res.) | 60.0 fps | 60.0 fps |
| Motion JPEG frame rate | 60.0 fps | 30.0 fps |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Built-in microphone | yes | yes |
| Microphone type | Mono | Stereo |
| Speaker type | Mono | Mono |
| Voice recording | yes | yes |
| Supported audio file formats | PCM | AAC |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Body type | SLR | MILC |
| Body material | Plastic | Magnesium alloy |
| Colour of product |
| Black |
| Anti-dust system | no | yes |
| Environmentally sealed | no | yes |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Weight | 15.7 oz | 14.67 oz |
| Width | 4.88 in | 5.0 in |
| Height | 3.86 in | 3.72 in |
| Depth | 2.97 in | 1.9 in |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Compatible memory cards |
|
|
| Memory slots | 1 | 1 |
| Storage types |
|
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| Camera file system |
|
|
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Power source type |
|
|
| Battery life (CIPA) | 1200 | 270 |
| Battery technology | Lithium-Ion | Lithium-Ion |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| HDMI | yes | yes |
| HDMI connector type | Mini | Micro |
| USB connector type | Micro-USB | Micro-USB B |
| USB version | 2.0 | 2.0 |
| Headphone port | no | yes |
| Microphone port | no | yes |
| Wireless | Built-In | Built-In |
| DC-in jack | yes | yes |
| Remote control | yes | yes |
| PictBridge | yes | no |
| NFC | yes | yes |
| Wireless network (Wi-Fi) | no | yes |
| Firewire | no | no |
| Nikon D3400 | Sony a7 | |
|---|---|---|
| Timelapse recording | no | no |
| GPS | no | no |
| Orientation sensor | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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