Sony A7S III vs Sony A77
Portability
61 Imaging
64 Features
92 Overall
75
61 Imaging
64 Features
92 Overall
75
Portability
59 Imaging
63 Features
83 Overall
71
59 Imaging
63 Features
83 Overall
71
Sony A7S III vs Sony A77 Key Specs
Sony A7S III
(Full Review)
(Full Review)
- 12MP - Full frame Sensor
- 3" Fully Articulated Screen
- ISO 80 - 102400 (Raise to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Revealed July 2020
- Previous Model is Sony A7S II
Sony A77
(Full Review)
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 16000 (Raise to 25600)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Introduced October 2011
- Succeeded the Sony A700
- New Model is Sony A77 II
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Lets examine more closely at the Sony A7S III vs Sony A77, former is a Pro Mirrorless while the other is a Advanced DSLR and both of them are manufactured by Sony. There is a noticeable difference between the sensor resolutions of the A7S III (12MP) and A77 (24MP) and the A7S III (Full frame) and A77 (APS-C) use totally different sensor sizing.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe A7S III was announced 8 years after the A77 which is quite a sizable difference as far as tech is concerned. Both the cameras offer different body type with the Sony A7S III being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.
Before delving straight into a full comparison, below is a short summation of how the A7S III matches up versus the A77 in relation to portability, imaging, features and an overall score.
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This is a sample of the gallery pictures for Sony Alpha A7S III & Sony SLT-A77. The whole galleries are available at Sony A7S III Gallery & Sony A77 Gallery.
Reasons to pick Sony A7S III over the Sony A77
| A7S III | A77 | |||
|---|---|---|---|---|
| Introduced | July 2020 |  | October 2011 | More modern by 107 months |
| Display resolution | 1440k |  | 921k | Clearer display (+519k dot) |
| Touch display |  | Easily navigate |
Reasons to pick Sony A77 over the Sony A7S III
| A77 | A7S III |
|---|
Common features in the Sony A7S III and Sony A77
| A7S III | A77 | |||
|---|---|---|---|---|
| Manually focus |  | More accurate focus | ||
| Display type | Fully articulated |  | Fully Articulated | Fully Articulated display |
| Display sizing | 3" |  | 3" | Equivalent display measurement |
| Selfie screen |  | Both are selfie friendly |
Sony A7S III vs Sony A77 Physical Comparison
If you're intending to carry around your camera, you'll have to think about its weight and volume. The Sony A7S III offers outside dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs) whilst the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).
Compare the Sony A7S III vs Sony A77 in our brand new Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will vary based on the lens you are utilizing during that time. Underneath is the front view dimension comparison of the A7S III versus the A77.
Using size and weight, the portability score of the A7S III and A77 is 61 and 59 respectively.
Sony A7S III vs Sony A77 Sensor Comparison
Oftentimes, it is very tough to envision the gap between sensor sizes only by looking at technical specs. The pic here will provide you a clearer sense of the sensor dimensions in the A7S III and A77.
As you can tell, both of the cameras offer different megapixel count and different sensor sizes. The A7S III with its larger sensor will make shooting bokeh easier and the Sony A77 will give you extra detail with its extra 12 Megapixels. Greater resolution will also allow you to crop images a little more aggressively. The younger A7S III will have an advantage when it comes to sensor tech.
Sony A7S III vs Sony A77 Screen and ViewFinder
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Portrait Comparison
Sony A7S III Portrait photography factors
Sony A77 Portrait photography factors
focusing manually
big sensor size (Full frame)
provides face detect focus
saves RAW files
low megapixels (12 megapixels)
focusing manually
megapixel count decent (24MP)
sensor size is nice (APS-C)
has face detection autofocus
delivers RAW files
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Sony A7S III Street photography highlights
Sony A77 Street photography highlights
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
boasts touch focus
environment proofing
great high ISO (102,400)
screen can move to multiple angles
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
weather proof
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Sony A7S III Sports photography info
Sony A77 Sports photography info
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
provides tracking focus
environment proofing
better than average battery (600 CIPA)
sensor has phase detect auto focus
low megapixels (12MP)
max shutter speed is good (1/8,000s)
image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
weather proof
has phase detect autofocus
not so great battery life (470 shots)
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Sony A7S III Travel photography features
Sony A77 Travel photography features
better than average battery (600 per charge)
environment proofing
supports bluetooth
boasts touch focus
selfie friendly screen
low megapixels (12MP)
weather proof
megapixel count decent (24 megapixels)
built-in flash
selfie friendly display
no Timelapse function
not so great battery life (470 shots)
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Sony A7S III Landscape photography advice
Sony A77 Landscape photography advice
focusing manually
swap lenses (Sony E mount)
screen is a decent size (3 inch)
built in image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
great high ISO (102,400)
saves RAW files
environment proofing
better than average battery (600 shots)
2 card slots
low megapixels (12 megapixels)
focusing manually
change lenses (Sony/Minolta Alpha mount)
screen size is good (3 inch)
image stabilization (Sensor based)
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
delivers RAW files
weather proof
not so great battery life (470 shots)
no Timelapse function
Photography GlossaryVlogging Comparison
Sony A7S III Vlogging features
Sony A77 Vlogging features
selfie friendly screen
touchscreen functionality
built in image stabilization (Sensor based 5-axis)
provides face detect focus
high res video (3840 x 2160 pxls)
includes mic support
selfie friendly display
image stabilization (Sensor based)
has face detection autofocus
video resolution high (1920 x 1080 pxls)
has external microphone socket
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Sony A7S III vs Sony A77 Specifications
| Sony Alpha A7S III | Sony SLT-A77 | |
|---|---|---|
| General Information | ||
| Manufacturer | Sony | Sony |
| Model | Sony Alpha A7S III | Sony SLT-A77 |
| Category | Pro Mirrorless | Advanced DSLR |
| Revealed | 2020-07-21 | 2011-10-25 |
| Physical type | SLR-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Chip | Bionz XR | Bionz |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | Full frame | APS-C |
| Sensor measurements | 35.6 x 23.8mm | 23.5 x 15.6mm |
| Sensor surface area | 847.3mm² | 366.6mm² |
| Sensor resolution | 12 megapixel | 24 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Peak resolution | 4240 x 2832 | 6000 x 4000 |
| Highest native ISO | 102400 | 16000 |
| Highest enhanced ISO | 409600 | 25600 |
| Minimum native ISO | 80 | 50 |
| RAW support | ||
| Minimum enhanced ISO | 50 | - |
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detection focus | ||
| Contract detection focus | ||
| Phase detection focus | ||
| Number of focus points | 759 | 19 |
| Cross focus points | - | 11 |
| Lens | ||
| Lens mount | Sony E | Sony/Minolta Alpha |
| Amount of lenses | 121 | 143 |
| Crop factor | 1 | 1.5 |
| Screen | ||
| Type of screen | Fully articulated | Fully Articulated |
| Screen sizing | 3 inch | 3 inch |
| Resolution of screen | 1,440 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 9,440 thousand dots | 2,359 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.91x | 0.73x |
| Features | ||
| Minimum shutter speed | 30s | 30s |
| Fastest shutter speed | 1/8000s | 1/8000s |
| Continuous shutter rate | 10.0fps | 12.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | no built-in flash | 12.00 m |
| Flash options | no built-in flash | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Fastest flash synchronize | - | 1/250s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
| Highest video resolution | 3840x2160 | 1920x1080 |
| Video format | MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 | MPEG-4, AVCHD, H.264 |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Eye-Fi Connected |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.2 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | BuiltIn |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 699 gr (1.54 pounds) | 732 gr (1.61 pounds) |
| Dimensions | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO Overall score | 85 | 78 |
| DXO Color Depth score | 23.6 | 24.0 |
| DXO Dynamic range score | 13.3 | 13.2 |
| DXO Low light score | 2993 | 801 |
| Other | ||
| Battery life | 600 pictures | 470 pictures |
| Battery type | Battery Pack | Battery Pack |
| Battery model | NP-FZ100 | NP-FM500H |
| Self timer | Yes (2 or 10 sec; continuous (3 or 5 exposures)) | Yes (2 or 10 sec) |
| Time lapse shooting | With downloadable app | |
| Storage type | Dual SD/CFexpress Type A slots | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | 2 | Single |
| Pricing at release | $3,499 | $900 |