Nikon D7100 vs Sony A77
59 Imaging
64 Features
80 Overall
70


59 Imaging
63 Features
83 Overall
71
Nikon D7100 vs Sony A77 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 6400 (Push to 25600)
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 1920 x 1080 video
- Nikon F Mount
- 765g - 136 x 107 x 76mm
- Released April 2013
- Superseded the Nikon D7000
- Refreshed by Nikon D7200
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 16000 (Boost to 25600)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Announced October 2011
- Replaced the Sony A700
- Replacement is Sony A77 II

Nikon D7100 vs Sony A77 Overview
Below, we are comparing the Nikon D7100 and Sony A77, both Advanced DSLR digital cameras by competitors Nikon and Sony. The resolution of the D7100 (24MP) and the A77 (24MP) is very well matched and they use the exact same sensor size (APS-C).

The D7100 was manufactured 19 months later than the A77 making the cameras a generation apart from one another. The two cameras come with the identical body type (Mid-size SLR).
Before diving in to a more detailed comparison, below is a quick summation of how the D7100 grades vs the A77 when it comes to portability, imaging, features and an overall grade.

Nikon D7100 vs Sony A77 Gallery
This is a sample of the gallery pics for Nikon D7100 and Sony SLT-A77. The entire galleries are available at Nikon D7100 Gallery and Sony A77 Gallery.
Reasons to pick Nikon D7100 over the Sony A77
D7100 | A77 | |||
---|---|---|---|---|
Announced | April 2013 | ![]() | October 2011 | More recent by 19 months |
Display dimension | 3.2" | ![]() | 3" | Larger display (+0.2") |
Display resolution | 1229k | ![]() | 921k | Clearer display (+308k dot) |
Reasons to pick Sony A77 over the Nikon D7100
A77 | D7100 | |||
---|---|---|---|---|
Display type | Fully Articulated | ![]() | Fixed | Fully Articulating display |
Selfie screen | ![]() | Easy selfies |
Common features in the Nikon D7100 and Sony A77
D7100 | A77 | |||
---|---|---|---|---|
Manually focus | ![]() | Dial precise focusing | ||
Touch friendly display | ![]() | Neither includes Touch friendly display |
Nikon D7100 vs Sony A77 Physical Comparison
For anyone who is intending to lug around your camera regularly, you have to factor in its weight and proportions. The Nikon D7100 features physical measurements of 136mm x 107mm x 76mm (5.4" x 4.2" x 3.0") and a weight of 765 grams (1.69 lbs) while the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).
Take a look at the Nikon D7100 and Sony A77 in the all new Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at the time. Underneath is the front view size comparison of the D7100 vs the A77.

Looking at dimensions and weight, the portability score of the D7100 and A77 is 59 and 59 respectively.

Nikon D7100 vs Sony A77 Sensor Comparison
Sometimes, it is hard to see the contrast between sensor measurements simply by reading through specs. The visual underneath may offer you a more clear sense of the sensor measurements in the D7100 and A77.
As you can plainly see, the two cameras posses the exact same sensor measurements and the identical megapixels therefore you should expect similar quality of photos however you will need to take the production date of the products into consideration. The younger D7100 is going to have a benefit in sensor technology.

Nikon D7100 vs Sony A77 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Nikon D7100 vs Sony A77 Specifications
Nikon D7100 | Sony SLT-A77 | |
---|---|---|
General Information | ||
Brand | Nikon | Sony |
Model | Nikon D7100 | Sony SLT-A77 |
Type | Advanced DSLR | Advanced DSLR |
Released | 2013-04-25 | 2011-10-25 |
Body design | Mid-size SLR | Mid-size SLR |
Sensor Information | ||
Processor Chip | - | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 23.5 x 15.6mm | 23.5 x 15.6mm |
Sensor surface area | 366.6mm² | 366.6mm² |
Sensor resolution | 24 megapixels | 24 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
Highest Possible resolution | 6000 x 4000 | 6000 x 4000 |
Maximum native ISO | 6400 | 16000 |
Maximum enhanced ISO | 25600 | 25600 |
Minimum native ISO | 100 | 50 |
RAW format | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Number of focus points | 51 | 19 |
Cross focus points | 15 | 11 |
Lens | ||
Lens mounting type | Nikon F | Sony/Minolta Alpha |
Total lenses | 309 | 143 |
Crop factor | 1.5 | 1.5 |
Screen | ||
Range of display | Fixed Type | Fully Articulated |
Display sizing | 3.2" | 3" |
Display resolution | 1,229k dot | 921k dot |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Display technology | Wide Viewing Angle TFT-LCD monitor | - |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359k dot |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.63x | 0.73x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/8000s | 1/8000s |
Continuous shutter speed | 6.0 frames per sec | 12.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 12.00 m (at ISO 100) | 12.00 m |
Flash options | Auto, On, Off, Red-eye, Slow sync, Rear curtain | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
External flash | ||
Auto exposure bracketing | ||
WB bracketing | ||
Max flash sync | 1/250s | 1/250s |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1920 x 1080 (60, 50, 25, 24 fps), 1280 x 720 (60, 50 fps), 640 x 424 (30, 24 fps) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Maximum video resolution | 1920x1080 | 1920x1080 |
Video format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | Optional | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | BuiltIn |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 765 grams (1.69 lb) | 732 grams (1.61 lb) |
Dimensions | 136 x 107 x 76mm (5.4" x 4.2" x 3.0") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
DXO scores | ||
DXO Overall score | 83 | 78 |
DXO Color Depth score | 24.2 | 24.0 |
DXO Dynamic range score | 13.7 | 13.2 |
DXO Low light score | 1256 | 801 |
Other | ||
Battery life | 950 photos | 470 photos |
Battery form | Battery Pack | Battery Pack |
Battery model | EN-EL15 | NP-FM500H |
Self timer | Yes (2 or 10 seconds) | Yes (2 or 10 sec) |
Time lapse recording | ||
Type of storage | SD/SDHC/SDXC x 2 slots | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | 2 | One |
Retail pricing | $800 | $900 |