Nikon Z7 II vs Sony A55
61 Imaging
80 Features
92 Overall
84


67 Imaging
55 Features
80 Overall
65
Nikon Z7 II vs Sony A55 Key Specs
(Full Review)
- 46MP - Full frame Sensor
- 3.2" Tilting Display
- ISO 64 - 25600 (Boost to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Nikon Z Mount
- 705g - 134 x 101 x 70mm
- Released October 2020
- Older Model is Nikon Z7
(Full Review)
- 16MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 100 - 12800 (Raise to 25600)
- Sensor based Image Stabilization
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 500g - 124 x 92 x 85mm
- Revealed August 2010
- New Model is Sony A57

Nikon Z7 II vs Sony A55 Overview
The following is a extended comparison of the Nikon Z7 II vs Sony A55, one is a Pro Mirrorless and the other is a Entry-Level DSLR by companies Nikon and Sony. There exists a huge gap between the resolutions of the Z7 II (46MP) and A55 (16MP) and the Z7 II (Full frame) and A55 (APS-C) offer totally different sensor dimensions.

The Z7 II was released 10 years after the A55 which is quite a significant gap as far as technology is concerned. Both of the cameras feature different body design with the Nikon Z7 II being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.
Before delving right into a in depth comparison, here is a concise overview of how the Z7 II grades vs the A55 with regards to portability, imaging, features and an overall mark.

Nikon Z7 II vs Sony A55 Gallery
This is a sample of the gallery pics for Nikon Z7 Mark II and Sony SLT-A55. The complete galleries are viewable at Nikon Z7 II Gallery and Sony A55 Gallery.
Reasons to pick Nikon Z7 II over the Sony A55
Z7 II | A55 | |||
---|---|---|---|---|
Revealed | October 2020 | ![]() | August 2010 | Newer by 124 months |
Display size | 3.2" | ![]() | 3" | Larger display (+0.2") |
Display resolution | 2100k | ![]() | 921k | Sharper display (+1179k dot) |
Touch display | ![]() | Easily navigate |
Reasons to pick Sony A55 over the Nikon Z7 II
A55 | Z7 II | |||
---|---|---|---|---|
Display type | Fully Articulated | ![]() | Tilting | Fully Articulating display |
Selfie screen | ![]() | Take selfies |
Common features in the Nikon Z7 II and Sony A55
Z7 II | A55 | |||
---|---|---|---|---|
Manually focus | ![]() | More accurate focusing |
Nikon Z7 II vs Sony A55 Physical Comparison
For those who are looking to travel with your camera, you have to factor its weight and dimensions. The Nikon Z7 II provides outer measurements of 134mm x 101mm x 70mm (5.3" x 4.0" x 2.8") along with a weight of 705 grams (1.55 lbs) while the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).
Compare the Nikon Z7 II vs Sony A55 in the latest Camera and Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen during that time. The following is a front view scale comparison of the Z7 II compared to the A55.

Considering dimensions and weight, the portability rating of the Z7 II and A55 is 61 and 67 respectively.

Nikon Z7 II vs Sony A55 Sensor Comparison
Typically, its hard to envision the contrast between sensor dimensions merely by reading through specifications. The image below will help provide you a stronger sense of the sensor sizing in the Z7 II and A55.
To sum up, each of the cameras feature different resolutions and different sensor dimensions. The Z7 II because of its larger sensor will make achieving shallow DOF less difficult and the Nikon Z7 II will give you greater detail as a result of its extra 30 Megapixels. Greater resolution will also make it easier to crop pics way more aggressively. The fresher Z7 II will have an edge with regard to sensor technology.

Nikon Z7 II vs Sony A55 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Nikon Z7 II vs Sony A55 Specifications
Nikon Z7 Mark II | Sony SLT-A55 | |
---|---|---|
General Information | ||
Company | Nikon | Sony |
Model type | Nikon Z7 Mark II | Sony SLT-A55 |
Category | Pro Mirrorless | Entry-Level DSLR |
Released | 2020-10-14 | 2010-08-24 |
Physical type | SLR-style mirrorless | Compact SLR |
Sensor Information | ||
Powered by | - | Bionz |
Sensor type | BSI-CMOS | CMOS |
Sensor size | Full frame | APS-C |
Sensor measurements | 35.9 x 23.9mm | 23.5 x 15.6mm |
Sensor area | 858.0mm² | 366.6mm² |
Sensor resolution | 46 megapixel | 16 megapixel |
Anti alias filter | ||
Aspect ratio | 1:1, 5:4, 3:2 and 16:9 | 3:2 and 16:9 |
Highest resolution | 8256 x 5504 | 4912 x 3264 |
Highest native ISO | 25600 | 12800 |
Highest boosted ISO | 102400 | 25600 |
Minimum native ISO | 64 | 100 |
RAW pictures | ||
Minimum boosted ISO | 32 | - |
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Continuous autofocus | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Total focus points | 493 | 15 |
Cross type focus points | - | 3 |
Lens | ||
Lens support | Nikon Z | Sony/Minolta Alpha |
Number of lenses | 15 | 143 |
Focal length multiplier | 1 | 1.5 |
Screen | ||
Type of display | Tilting | Fully Articulated |
Display diagonal | 3.2 inch | 3 inch |
Display resolution | 2,100 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Viewfinder Information | ||
Viewfinder | Electronic | Electronic |
Viewfinder resolution | 3,690 thousand dots | 1,150 thousand dots |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.8x | 0.73x |
Features | ||
Lowest shutter speed | 30 seconds | 30 seconds |
Highest shutter speed | 1/8000 seconds | 1/4000 seconds |
Continuous shooting rate | 10.0 frames/s | 10.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | no built-in flash | 10.00 m (@ ISO 100) |
Flash options | Front-curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, off | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Highest flash synchronize | 1/200 seconds | 1/160 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 3840 x 2160 @ 60p / 144 Mbps, MOV, H.264, Linear PCM | 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Highest video resolution | 3840x2160 | 1920x1080 |
Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | Built-In | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | Yes | USB 2.0 (480 Mbit/sec) |
GPS | None | BuiltIn |
Physical | ||
Environmental sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 705g (1.55 lb) | 500g (1.10 lb) |
Physical dimensions | 134 x 101 x 70mm (5.3" x 4.0" x 2.8") | 124 x 92 x 85mm (4.9" x 3.6" x 3.3") |
DXO scores | ||
DXO All around rating | not tested | 73 |
DXO Color Depth rating | not tested | 23.0 |
DXO Dynamic range rating | not tested | 12.4 |
DXO Low light rating | not tested | 816 |
Other | ||
Battery life | 420 pictures | 380 pictures |
Form of battery | Battery Pack | Battery Pack |
Battery ID | - | NP-FW50 |
Self timer | Yes (2, 5, 10 or 20 secs) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage type | CFexpress (Type B), XQD, SD (UHS-II) | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | Dual | One |
Retail cost | $2,997 | $800 |