Sony a6100 vs Sony a77

This is a full comparison between the cameras Sony a6100 and Sony a77. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Sony.

Sony a6100 were released 2019 and Sony a77 was released 2011. That is a 8 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a6100 2019
Sony a77 2011

Type of camera

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Sony APS-C") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras has a Full frame sensor which means that you will get a "crop factor" where the camera's sensor size affect the focal length with a multiplier.

Camera Focal length, 50mm f/1.8 **
Sony a6100 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5
Sony a77 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)

Resolution

Both these cameras have the exact same resolution. Sony a6100 has a 24 MP (Megapixels) resolution while Sony a77 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a6100 24 MP
24000000 pixels
6000 x 4000
Sony a77 24 MP
24000000 pixels
6000 x 4000

ISO range

Sony a6100 has a larger ISO-range than Sony a77. Sony a6100 has an ISO range that stretches from 100 to 32000 while Sony a77 has 100 to 16000.

Camera ISO Range
Sony a6100 100-32000
Sony a77 100-16000

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a6100
Lens compatibility chart for Sony a77

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a6100 can shoot up to 11 pictures per seconds and Sony a77 can shoot up to 12 pictures per seconds.

Camera FPS (Frames per second)
Sony a6100 11
Sony a77 12

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a6100 and Sony a77 can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a77 weighs 732 gr (equal to 1.61 lb) which is 85% heavier than Sony a6100 and its 396 gr (or 0.87 lb).

Camera Weight
Sony a6100 396 gr
0.87 lb
Sony a77 732 gr
1.61 lb

Sony a6100 vs Sony a77 Specs

Below you will find the complete and detailed technical specs for both Sony a6100 and Sony a77, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Sony a6100
Sony a77
Name Sony a6100 Sony a77
Manufacturer Sony Sony
Release Date and Price
Sony a6100
Sony a77
Release Year 2019 2011
Release Date 2019-08-28 2011-08-24
MSRP 749 USD 1399 USD
Buy it today
Camera Type
Sony a6100
Sony a77
Camera Type Mirrorless SLT
Sensor
Sony a6100
Sony a77
Sensor Size APS-C (approx 23.5 x 15.6 mm) APS-C (approx 23.5 x 15.6 mm)
Sensor Type CMOS CMOS
Resolution 6000 x 4000 pixels 6000 x 4000 pixels
Megapixels 24 MP 24 MP
Image Processor Bionz X Bionz
Image
Sony a6100
Sony a77
ISO Range 100 - 32000 100 - 16000
White Balance Presets 10 8
Custom White Balance Yes Yes
Image Stabilization No Yes
(Sensor-Shift)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a6100
Sony a77
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Focus Points 425 19
Lens Mount Sony E

See Compatible Lenses
Sony A

See Compatible Lenses
Focal Length Multiplier APS-C Sensor (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
APS-C Sensor (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Sony a6100
Sony a77
Articulated LCD Tilting Fully articulated
Screen size 3” 3”
Screen dots 921600 921000
Touch screen Yes No
Screen type TFT LCD N/A
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 1.07× (0.71× 35mm equiv.) 1.1× (0.73× 35mm equiv.)
Viewfinder Resolution 1440000 N/A
Photography features
Sony a6100
Sony a77
Frames per second 11 fps 12 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 6 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes No
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony a6100
Sony a77
Video recording Yes Yes
Video format MPEG4
H.264
XAVC-S
AVCHD
MPEG4
H.264
AVCHD
Video resolution 1920 x 1080
3840 x 2160
1440 x 1080
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Sony a6100
Sony a77
Memory Card Memory Stick Pro Duo
SD/SDHC
Memory Stick Pro Duo
SD/SDHC
Connectivity
Sony a6100
Sony a77
HDMI Output Yes Yes
Microphone Port Yes No
Headphone Port No No
Wireless Yes
Built-in (802.11b/g/n + NFC + Bluetooth)
Yes
Eye-Fi Connected
Remote Control Yes (wireless or smartphone) Yes (Optional)
GPS No Yes
Built-in
Body & Dimensions
Sony a6100
Sony a77
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details NP-FW50 lithium-ion battery & charger
Rechargeable NP-FM500H battery & charger
Battery Life (CIPA) 420 shots 470 shots
Width 120 mm 143 mm
Height 67 mm 104 mm
Depth 59 mm 81 mm
Weight 396 gram 732 gram