87points
58points

Sony a7R IV

91points
60points

Sony Alpha a9

Sony a7R IV
Sony Alpha a9
Comparison winner
Cost-effectiveness winner
vs
vs

89 facts in comparison

Sony a7R IV vs Sony Alpha a9

Sony a7R IV
Sony Alpha a9
87
points
Sony a7R IV
91
points
Sony Alpha a9

Why is Sony a7R IV better than Sony Alpha a9?

  • 0.28% larger sensor
    ?

    35.7 x 23.8mmvs35.6 x 23.8mm
  • 2.52x more megapixels (main camera)
    61MPvs24.2MP
  • Has a flip-out screen
    ?
  • 20shots longer battery life
    ?

    670shotsvs650shots
  • 8g lighter
    665gvs673g
  • Has a built-in HDR mode
    ?
  • Can create panoramas in-camera
    ?
  • 1 more microphone(s)
    ?

    2vs1

Why is Sony Alpha a9 better than Sony a7R IV?

  • 126 more focus points
    ?

    693vs567
  • 1.99x higher maximum light sensitivity
    ?

    204800 ISOvs102800 ISO
  • 2x faster shooting at highest resolution with AF as JPEG format
    ?

    20fpsvs10fps
  • Has phase detection autofocus for videos
    ?
  • Has a remote control
    ?
  • 20.88% less body volume
    764.29cm³vs965.952cm³
  • 2.1mm narrower
    126.9mmvs129mm
  • Has a silent focus motor built into the lens
    ?

Price comparison

Sony Alpha a9

ProductStorePrice
Sony Alpha a9 AmazonSony a9 Full Frame Mirrorless Interchang...Sony a9 Full Frame Mirrorless Interchangeable-Lens Camera (Body Only) (ILCE9/B)
Amazon logo
$3,498.00
Sony Alpha a9 walmartSony Alpha a9 Full-frame Mirrorless Inte...Sony Alpha a9 Full-frame Mirrorless Interchangeable-Lens Camera - Black
walmart logo
$3,498.00
Sony Alpha a9 aliexpressSony Alpha A9 Mirrorless Digital Camera ...Sony Alpha A9 Mirrorless Digital Camera (Body Only)
aliexpress logo
$3230.00

Cheap alternatives

Design

1.Weather-sealed (splashproof)
?

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes. Show more

Sony a7R IV
Sony Alpha a9
2.Has a built-in focus motor
?

The focus motor moves the lens in order to autofocus. For system cameras, having a focus motor in the camera's body allows you to use a wide range of lenses, including lenses which do not have their own focus motor. For compact cameras, a focus motor is usually built-in.

Sony a7R IV
Sony Alpha a9
3. more viewfinder coverage
?

With 100% coverage you can compose the image correctly when you capture the photo. With less than full coverage you may have to crop your photos afterwards to get them looking perfect.

Best

Leica SL2

100%

100%

100%

4.Has a flip-out screen
?

Flip-out screens can be useful for tricky shots.

Sony a7R IV
Sony Alpha a9
5.Is dustproof and water-resistant
?

The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water. Show more

For example

Sony a6600 + Sony E 18-135mm F3.5-5.6 OSS

Sony a7R IV
Sony Alpha a9
6.Has a hot shoe
?

A hot shoe can be used to attach an external flash, as well as light meters, viewfinders, rangefinders and other attachments.

Sony a7R IV
Sony Alpha a9

Optics

1.focus points
?

The more focus points the more flexibility in picking which part of the scene to focus on. They also give the image sensor a better probability in identifying the right area of the scene to focus on in more automatic modes.

Best

Canon EOS R

5655

567

693

2.sensor size
?

The larger the sensor the more light the sensor captures yielding in better image quality.

Best

Polaroid Snap

81.2 x 25.4mm

35.7 x 23.8mm

35.6 x 23.8mm

3.has AF tracking
?

With AF tracking, once you choose the subject and press the shutter release part way down, as the subject moves, the autofocus will follow it. No more out of focus shots.

Sony a7R IV
Sony Alpha a9
4.maximum light sensitivity
?

With a higher light sensitivity (ISO level), the sensor absorbs more light. This can be used to capture moving objects using a fast shutter speed, or to take images in low light without using a flash.

Best

Nikon D7500 + Nikon AF-S DX Nikkor 18-140mm f/3.5-5.6G ED VR

1640000 ISO

102800 ISO

204800 ISO

5.has built-in optical image stabilization
?

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image. Show more

Sony a7R IV
Sony Alpha a9
6.Has phase detection autofocus for photos
?

A phase detection autofocus is much faster than a contrast detection autofocus, allowing for sharper images. Show more

Sony a7R IV
Sony Alpha a9

Videography

1.video recording (main camera)
?

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions. Show more

Best

Blackmagic Pocket Cinema Camera 6K

3456 x 50fps

2160 x 30fps

2160 x 30fps

2.Has phase detection autofocus for videos
?

A phase detection autofocus system is faster than a contrast detection autofocus system. Even when recording scenes with a lot of fast movements, the videos are sharp and clear.

Sony a7R IV
Sony Alpha a9
3.has continuous autofocus when recording movies
?

When recording movies they stay focussed and sharp. Show more

Sony a7R IV
Sony Alpha a9
4.Has timelapse function
?

A timelapse shows a long passage of time sped up. A series of photographs taken from the same position over a long period is joined together to create a short video. It is great way to capture things like the setting sun, or clouds moving across the sky. Show more

Sony a7R IV
Sony Alpha a9
5.has a 24p cinema mode
?

24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.

Sony a7R IV
Sony Alpha a9
6.Supports slow-motion video recording
Sony a7R IV
Sony Alpha a9

Audio

1.has a stereo microphone
?

A stereo microphone allows to record audio files or movies in stereo without an external microphone.

Sony a7R IV
Sony Alpha a9
2.has a microphone input
?

A microphone port allows connecting external high-end or specialized microphones.

Sony a7R IV
Sony Alpha a9
3.number of microphones
?

More microphones result in better sound quality and enable the device to filter out background noise.

Best

Leica SL2

2

2

1

4.has a socket for a 3.5 mm audio jack
?

With a standard mini jack socket, you can use the device with most headphones. Show more

Sony a7R IV
Sony Alpha a9
5.has stereo speakers
?

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience. Show more

For example

Sony Alpha 7R III + Sony FE 24-70mm f/4 ZA OSS Vario-Tessar T*

Sony a7R IV
Sony Alpha a9
6.Has a zoom microphone
?

Zoom microphones record high-quality audio and enable you to record sound from a distance. They can be useful for recording meetings, lectures, and presentations. Show more

For example

Panasonic Lumix DC-LX100 II

Sony a7R IV
Sony Alpha a9

Battery

1.Battery life (CIPA)
?

CIPA is an independent, standard measurement that determines how many shots a camera can take before the battery dies.

Best

Nikon D3x

4400shots

670shots

650shots

2.has a removable battery
?

The battery is removable and can be replaced by the user if broken. Show more

Sony a7R IV
Sony Alpha a9
3.has a rechargeable battery
?

The battery can be recharged and used over again.

Sony a7R IV
Sony Alpha a9
4.has a battery level indicator
?

An indicator shows you when the device has low battery.

Sony a7R IV
Sony Alpha a9
5.has wireless charging
?

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base. Show more

Sony a7R IV
Sony Alpha a9

Features

1.has an external memory slot
?

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card. Show more

Sony a7R IV
Sony Alpha a9
2.Has Wi-Fi
?

The device can connect to Wi-Fi.

Sony a7R IV
Sony Alpha a9
3.Has a remote control
?

A remote control allows you to control the device remotely. The remote control can be included or optional.

Sony a7R IV
Sony Alpha a9
4.Has 802.11n Wi-Fi connection
?

802.11n is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors - a, b and g.

Sony a7R IV
Sony Alpha a9
5.has an accelerometer
?

An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.

Sony a7R IV
Sony Alpha a9
6.supports a remote smartphone
?

This technology allows the users to use their smartphone as a remote control for the device.

Sony a7R IV
Sony Alpha a9

Price comparison

Sony Alpha a9

ProductStorePrice
Sony Alpha a9 AmazonSony a9 Full Frame Mirrorless Interchang...Sony a9 Full Frame Mirrorless Interchangeable-Lens Camera (Body Only) (ILCE9/B)
Amazon logo
$3,498.00
Sony Alpha a9 walmartSony Alpha a9 Full-frame Mirrorless Inte...Sony Alpha a9 Full-frame Mirrorless Interchangeable-Lens Camera - Black
walmart logo
$3,498.00
Sony Alpha a9 aliexpressSony Alpha A9 Mirrorless Digital Camera ...Sony Alpha A9 Mirrorless Digital Camera (Body Only)
aliexpress logo
$3230.00

Which are the best cameras?

Show all
This page is currently only available in English.