Sony A7R IV vs Sony A850

Sony Alpha A7R IV front
Sony Alpha DSLR-A850 front

Sony A7R IV vs Sony A850 Key Specs

Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Push to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Revealed July 2019
  • Superseded the Sony A7R III
  • Successor is Sony A7R V
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Released April 2010
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Sony A7R IV vs Sony A850 Overview

The following is a detailed assessment of the Sony A7R IV vs Sony A850, former is a Pro Mirrorless while the latter is a Advanced DSLR and both are produced by Sony. There is a noticeable difference between the image resolutions of the A7R IV (61MP) and A850 (25MP) but they use the exact same sensor sizing (Full frame).

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The A7R IV was manufactured 9 years after the A850 which is quite a sizable difference as far as tech is concerned. Both of these cameras come with different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before delving in to a more detailed comparison, below is a concise introduction of how the A7R IV matches up against the A850 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Sony A7R IV over the Sony A850

 A7R IV A850 
ReleasedJuly 2019April 2010Newer by 113 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k922kCrisper screen (+518k dot)
Touch screen Quickly navigate

Reasons to pick Sony A850 over the Sony A7R IV

 A850 A7R IV 

Common features in the Sony A7R IV and Sony A850

 A7R IV A850 
Manually focus Very precise focusing
Screen dimension3"3"Identical screen measurement
Selfie screen Neither offers selfie screen

Sony A7R IV vs Sony A850 Physical Comparison

When you are looking to travel with your camera, you need to consider its weight and volume. The Sony A7R IV offers outside dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") along with a weight of 665 grams (1.47 lbs) while the Sony A850 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs).

Check the Sony A7R IV vs Sony A850 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ based on the lens you have attached at the time. Below is the front view proportions comparison of the A7R IV versus the A850.

Sony A7R IV vs Sony A850 size comparison

Taking into consideration size and weight, the portability grade of the A7R IV and A850 is 62 and 54 respectively.

Sony A7R IV vs Sony A850 top view buttons comparison

Sony A7R IV vs Sony A850 Sensor Comparison

In many cases, it is very tough to picture the difference between sensor dimensions only by reading through specifications. The image below will provide you a far better sense of the sensor sizes in the A7R IV and A850.

To sum up, both of these cameras posses the exact same sensor measurements albeit different megapixels. You can count on the Sony A7R IV to resolve extra detail due to its extra 36MP. Higher resolution will allow you to crop photographs somewhat more aggressively. The newer A7R IV provides an edge when it comes to sensor tech.

Sony A7R IV vs Sony A850 sensor size comparison

Sony A7R IV vs Sony A850 Screen and ViewFinder

Sony A7R IV vs Sony A850 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R IV as a Portrait photography camera
Sony A850 as a Portrait photography camera
manual focus
high megapixels (61MP)
big sensor size (Full frame)
supports face detection focus
saves RAW formats
has manual focus
megapixel count amazing (25MP)
large sensor size (Full frame)
saves RAW files
doesn't have liveview
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Street Comparison

Sony A7R IV Street photography information
Sony A850 Street photography information
tilting screen
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW formats
boasts focus by touch
weather proof
very good ISO range (32,000)
image stabilization (Sensor based)
large sensor size (Full frame)
saves RAW files
environment sealing
screen is fixed
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Sports Comparison

Sony A7R IV Sports photography highlights
Sony A850 Sports photography highlights
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based 5-axis)
high megapixels (61MP)
big sensor size (Full frame)
supports tracking autofocus
weather proof
great battery (670 shots)
sensor has phase detect auto focus
maximum shutter speed is high (1/8,000 seconds)
image stabilization (Sensor based)
megapixel count amazing (25MP)
large sensor size (Full frame)
environment sealing
sensor has phase detect autofocus
doesn't have liveview
max frames per second very slow (3.0 frames/s)
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Travel Comparison

Sony A7R IV Travel photography factors
Sony A850 Travel photography factors
great battery (670 per charge)
weather proof
has bluetooth
boasts focus by touch
high megapixels (61MP)
doesn't have selfie friendly display
environment sealing
megapixel count amazing (25 megapixels)
doesn't have Time Lapse recording
doesn't have selfie friendly screen
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Landscape Comparison

Sony A7R IV Landscape photography advice
Sony A850 Landscape photography advice
manual focus
interchangeable lenses (Sony E mount)
screen size is good (3 inch)
has image stabilization (Sensor based 5-axis)
high megapixels (61 megapixels)
big sensor size (Full frame)
does not have low pass filter
very good ISO range (32,000)
saves RAW formats
weather proof
great battery (670 CIPA)
has double storage slots
has manual focus
change lenses (Sony/Minolta Alpha mount)
decent sized screen (3")
image stabilization (Sensor based)
megapixel count amazing (25MP)
large sensor size (Full frame)
saves RAW files
environment sealing
has double storage slots
doesn't have liveview
doesn't have Time Lapse recording
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Vlogging Comparison

Sony A7R IV as a Vlogging camera
Sony A850 as a Vlogging camera
touchscreen functionality
has image stabilization (Sensor based 5-axis)
supports face detection focus
high res video (3840 x 2160 resolution)
includes external microphone port
doesn't have selfie friendly display
no video recording
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Sony A7R IV vs Sony A850 Specifications

Detailed spec comparison table for Sony A7R IV and Sony A850
 Sony Alpha A7R IVSony Alpha DSLR-A850
General Information
Brand Sony Sony
Model Sony Alpha A7R IV Sony Alpha DSLR-A850
Class Pro Mirrorless Advanced DSLR
Revealed 2019-07-16 2010-04-15
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Bionz X Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame Full frame
Sensor dimensions 35.8 x 23.8mm 35.9 x 24mm
Sensor surface area 852.0mm² 861.6mm²
Sensor resolution 61 megapixel 25 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 9504 x 6336 6048 x 4032
Maximum native ISO 32000 3200
Maximum boosted ISO 102800 6400
Lowest native ISO 100 200
RAW format
Lowest boosted ISO 50 -
Focus manually
Touch to focus
Continuous AF
Single AF
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 567 9
Lens mounting type Sony E Sony/Minolta Alpha
Available lenses 121 143
Focal length multiplier 1 1
Range of screen Tilting Fixed Type
Screen diagonal 3" 3"
Screen resolution 1,440k dot 922k dot
Selfie friendly
Touch function
Screen technology - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 5,760k dot -
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.78x 0.74x
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/8000 seconds
Continuous shooting speed 10.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash modes Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
White balance bracketing
Maximum flash sync 1/250 seconds 1/250 seconds
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video format MPEG-4, XAVC S, H.264 -
Mic jack
Headphone jack
Wireless Built-In None
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 665g (1.47 lb) 895g (1.97 lb)
Dimensions 129 x 96 x 78mm (5.1" x 3.8" x 3.1") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around score 99 79
DXO Color Depth score 26.0 23.8
DXO Dynamic range score 14.8 12.2
DXO Low light score 3344 1415
Battery life 670 images 880 images
Form of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FM500H
Self timer Yes Yes (2 or 10 sec)
Time lapse feature
Storage media Dual SD/SDHC/SDXC (UHS-II compatible) Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Storage slots 2 2
Launch pricing $3,498 $0